兼容 IOS

2.新增打包构建脚本

.gitignore

@@ -19,6 +19,7 @@ pubspec.lock
 *.iws
 .idea/
 .cursor
+Podfile.lock
 
 # The .vscode folder contains launch configuration and tasks you configure in
 # VS Code which you may wish to be included in version control, so this line

android/app/build.gradle.kts

@@ -4,7 +4,7 @@ plugins {
     id("dev.flutter.flutter-gradle-plugin")
 }
 
-val appPackageName = "com.qxy.dronex"
+val appPackageName = "com.dronex.rec"
 
 android {
     namespace = appPackageName

android/app/src/main/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.qxy.dronex">
+    package="com.dronex.rec">
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.CAMERA" />
     <uses-permission android:name="android.permission.RECORD_AUDIO" />

android/app/src/main/kotlin/com/dronex/rec/AppConstants.kt

@@ -1,7 +1,7 @@
-package com.qxy.dronex
+package com.dronex.rec
 
 object AppConstants {
-    const val PACKAGE_NAME = "com.qxy.dronex"
+    const val PACKAGE_NAME = "com.dronex.rec"
     const val PLATFORM_INFO_CHANNEL = "$PACKAGE_NAME/platform_info"
     const val RECORDING_METHOD_CHANNEL = "$PACKAGE_NAME/recording"
     const val RECORDING_EVENT_CHANNEL = "$PACKAGE_NAME/recording_events"

android/app/src/main/kotlin/com/dronex/rec/MainActivity.kt

@@ -1,4 +1,4 @@
-package com.qxy.dronex
+package com.dronex.rec
 
 import android.content.Context
 import android.content.pm.ApplicationInfo
@@ -7,8 +7,8 @@ import android.os.Build
 import android.os.Environment
 import android.os.StatFs
 import androidx.camera.view.PreviewView
-import com.qxy.dronex.recording.RecordingPlatformHandler
-import com.qxy.dronex.recording.RecordingPreviewFactory
+import com.dronex.rec.recording.RecordingPlatformHandler
+import com.dronex.rec.recording.RecordingPreviewFactory
 import io.flutter.embedding.android.FlutterActivity
 import io.flutter.embedding.engine.FlutterEngine
 import io.flutter.plugin.common.MethodChannel
@@ -114,6 +114,7 @@ class MainActivity : FlutterActivity() {
                 "brand" to Build.BRAND,
                 "model" to Build.MODEL,
                 "systemVersion" to Build.VERSION.RELEASE,
+                "sdkInt" to Build.VERSION.SDK_INT,
                 "isPhysicalDevice" to !isEmulator,
         )
     }

android/app/src/main/kotlin/com/dronex/rec/recording/BatteryOptimizationHelper.kt

@@ -1,4 +1,4 @@
-package com.qxy.dronex.recording
+package com.dronex.rec.recording
 
 import android.content.Context
 import android.content.Intent

android/app/src/main/kotlin/com/dronex/rec/recording/DoNotDisturbHelper.kt

@@ -1,4 +1,4 @@
-package com.qxy.dronex.recording
+package com.dronex.rec.recording
 
 import android.app.NotificationManager
 import android.content.Context

android/app/src/main/kotlin/com/dronex/rec/recording/RecordingCameraController.kt

@@ -0,0 +1,588 @@
+package com.dronex.rec.recording
+
+import android.content.Context
+import android.hardware.camera2.CameraCharacteristics
+import android.hardware.camera2.CameraManager
+import android.util.Log
+import androidx.camera.camera2.interop.Camera2CameraInfo
+import androidx.camera.core.Camera
+import androidx.camera.core.CameraSelector
+import androidx.camera.core.Preview
+import androidx.camera.lifecycle.ProcessCameraProvider
+import androidx.camera.video.Quality
+import androidx.camera.video.QualitySelector
+import androidx.camera.video.Recorder
+import androidx.camera.video.Recording
+import androidx.camera.video.VideoCapture
+import androidx.camera.video.VideoRecordEvent
+import androidx.camera.view.PreviewView
+import androidx.core.content.ContextCompat
+import androidx.lifecycle.LifecycleOwner
+import kotlin.math.atan
+import java.util.concurrent.Executor
+
+class RecordingCameraController(
+        private val appContext: Context,
+) {
+    private val mainExecutor: Executor = ContextCompat.getMainExecutor(appContext)
+
+    private var cameraProvider: ProcessCameraProvider? = null
+    private var preview: Preview? = null
+    private var videoCapture: VideoCapture<Recorder>? = null
+    private var camera: Camera? = null
+    private var mainCameraId: String? = null
+    private var ultraWideCameraId: String? = null
+    private var ultraWideZoomRatio: Float = DEFAULT_ULTRA_WIDE_ZOOM_RATIO
+    private var currentLensMode: LensMode = LensMode.MAIN
+    private var activeRecording: Recording? = null
+    private var boundLifecycleOwner: LifecycleOwner? = null
+    private var currentZoomRatio: Float = 1f
+
+    var status: RecordingStatus = RecordingStatus(RecordingState.IDLE)
+        private set
+
+    var statusListener: ((RecordingStatus) -> Unit)? = null
+
+    private var recordingStartedAt: Long = 0L
+    private var latestOutputPath: String? = null
+    private var pendingStopCallback: ((String?) -> Unit)? = null
+
+    fun bindPreview(
+            lifecycleOwner: LifecycleOwner,
+            previewView: PreviewView,
+            onReady: (Boolean) -> Unit,
+    ) {
+        val future = ProcessCameraProvider.getInstance(appContext)
+        future.addListener(
+                {
+                    try {
+                        val provider = future.get()
+                        cameraProvider = provider
+                        boundLifecycleOwner = lifecycleOwner
+
+                        preview =
+                                Preview.Builder().build().also {
+                                    it.surfaceProvider = previewView.surfaceProvider
+                                }
+
+                        val recorder =
+                                Recorder.Builder()
+                                        .setQualitySelector(QualitySelector.from(Quality.HD))
+                                        .build()
+                        videoCapture = VideoCapture.withOutput(recorder)
+
+                        discoverBackCameras(provider)
+                        bindUseCases(provider, lifecycleOwner, selectorForCurrentLensMode())
+                        applyCurrentZoom()
+
+                        updateStatus(RecordingStatus(RecordingState.PREVIEWING))
+                        onReady(true)
+                    } catch (error: Exception) {
+                        Log.e(TAG, "bindPreview failed", error)
+                        updateStatus(
+                                RecordingStatus(
+                                        RecordingState.ERROR,
+                                        message = error.message,
+                                ),
+                        )
+                        onReady(false)
+                    }
+                },
+                mainExecutor,
+        )
+    }
+
+    fun rebindForRecording(
+            lifecycleOwner: LifecycleOwner,
+            previewView: PreviewView,
+            onReady: (Boolean) -> Unit,
+    ) {
+        val provider = cameraProvider
+        if (provider == null) {
+            bindPreview(lifecycleOwner, previewView, onReady)
+            return
+        }
+
+        if (
+                boundLifecycleOwner === lifecycleOwner &&
+                        preview != null &&
+                        videoCapture != null
+        ) {
+            onReady(true)
+            return
+        }
+
+        try {
+            boundLifecycleOwner = lifecycleOwner
+            bindUseCases(provider, lifecycleOwner, selectorForCurrentLensMode())
+            applyCurrentZoom()
+            onReady(true)
+        } catch (error: Exception) {
+            Log.e(TAG, "rebindForRecording failed", error)
+            onReady(false)
+        }
+    }
+
+    fun startRecording(
+            withAudio: Boolean,
+            displayName: String?,
+            onStarted: (Boolean, String?) -> Unit,
+    ) {
+        val capture = videoCapture
+        if (capture == null || boundLifecycleOwner == null) {
+            onStarted(false, "Camera not ready")
+            return
+        }
+
+        if (activeRecording != null) {
+            onStarted(false, "Already recording")
+            return
+        }
+
+        val outputOptions =
+                RecordingOutputFactory.buildMediaStoreOutputOptions(
+                        appContext,
+                        displayName,
+                )
+        latestOutputPath = null
+
+        val pending =
+                capture.output.prepareRecording(appContext, outputOptions).apply {
+                    if (withAudio) {
+                        val granted =
+                                ContextCompat.checkSelfPermission(
+                                        appContext,
+                                        android.Manifest.permission.RECORD_AUDIO,
+                                ) == android.content.pm.PackageManager.PERMISSION_GRANTED
+                        if (granted) {
+                            withAudioEnabled()
+                        }
+                    }
+                }
+
+        recordingStartedAt = System.currentTimeMillis()
+        updateStatus(
+                RecordingStatus(
+                        RecordingState.RECORDING,
+                        outputPath = latestOutputPath,
+                ),
+        )
+
+        activeRecording =
+                pending.start(mainExecutor) { event ->
+                    when (event) {
+                        is VideoRecordEvent.Start -> Unit
+                        is VideoRecordEvent.Finalize -> {
+                            activeRecording = null
+                            if (event.hasError()) {
+                                updateStatus(
+                                        RecordingStatus(
+                                                RecordingState.ERROR,
+                                                message = event.cause?.message
+                                                                ?: "Recording failed",
+                                        ),
+                                )
+                            } else {
+                                latestOutputPath = event.outputResults.outputUri.toString()
+                                updateStatus(
+                                        RecordingStatus(
+                                                RecordingState.PREVIEWING,
+                                                outputPath = latestOutputPath,
+                                                elapsedMillis =
+                                                        System.currentTimeMillis() -
+                                                                recordingStartedAt,
+                                        ),
+                                )
+                            }
+                            val stopCallback = pendingStopCallback
+                            pendingStopCallback = null
+                            stopCallback?.invoke(latestOutputPath)
+                        }
+                    }
+                }
+
+        onStarted(true, latestOutputPath ?: "recording")
+    }
+
+    fun stopRecording(onStopped: (String?) -> Unit) {
+        val recording = activeRecording
+        if (recording == null) {
+            onStopped(latestOutputPath)
+            return
+        }
+
+        pendingStopCallback = onStopped
+        updateStatus(
+                RecordingStatus(
+                        RecordingState.STOPPING,
+                        outputPath = latestOutputPath,
+                ),
+        )
+
+        recording.stop()
+        activeRecording = null
+    }
+
+    fun zoomCapabilitiesMap(): Map<String, Any> {
+        val zoomState = camera?.cameraInfo?.zoomState?.value
+        val logicalMin = zoomState?.minZoomRatio ?: 1f
+        // 兜底两路超广角来源：独立超广角镜头(0.6) 与 逻辑相机原生 <1.0 变焦范围，取更小者。
+        val minZoom =
+                if (hasUltraWideCamera()) {
+                    minOf(ultraWideZoomRatio, logicalMin)
+                } else {
+                    logicalMin
+                }
+        val maxZoom = zoomState?.maxZoomRatio ?: 3f
+        val zoom =
+                if (currentLensMode == LensMode.ULTRA_WIDE) {
+                    ultraWideZoomRatio
+                } else {
+                    (zoomState?.zoomRatio ?: currentZoomRatio).coerceIn(minZoom, maxZoom)
+                }
+        currentZoomRatio = zoom
+        Log.d(
+                TAG,
+                "zoomCapabilities hasUltraWide=${hasUltraWideCamera()} logicalMin=$logicalMin " +
+                        "ultraWideZoomRatio=$ultraWideZoomRatio minZoom=$minZoom maxZoom=$maxZoom zoom=$zoom",
+        )
+        return mapOf(
+                "zoomRatio" to zoom.toDouble(),
+                "minZoomRatio" to minZoom.toDouble(),
+                "maxZoomRatio" to maxZoom.toDouble(),
+        )
+    }
+
+    fun setZoomRatio(
+            ratio: Double,
+            onComplete: (Boolean, Map<String, Any>, String?) -> Unit,
+    ) {
+        val boundCamera = camera
+        if (boundCamera == null) {
+            val clamped =
+                    if (ratio < 1.0 && hasUltraWideCamera()) {
+                        ultraWideZoomRatio
+                    } else {
+                        ratio.toFloat().coerceAtLeast(1f)
+                    }
+            currentZoomRatio = clamped
+            onComplete(true, zoomCapabilitiesMap(), null)
+            return
+        }
+
+        if (ratio < 1.0 && hasUltraWideCamera()) {
+            switchToUltraWide(onComplete)
+            return
+        }
+
+        if (currentLensMode == LensMode.ULTRA_WIDE) {
+            switchToMainAndZoom(ratio, onComplete)
+            return
+        }
+
+        val zoomState = boundCamera.cameraInfo.zoomState.value
+        val minZoom = zoomState?.minZoomRatio ?: 1f
+        val maxZoom = zoomState?.maxZoomRatio ?: clampedMaxZoom()
+        val nextZoom = ratio.toFloat().coerceIn(minZoom, maxZoom)
+        currentZoomRatio = nextZoom
+
+        val future = boundCamera.cameraControl.setZoomRatio(nextZoom)
+        future.addListener(
+                {
+                    try {
+                        future.get()
+                        onComplete(true, zoomCapabilitiesMap(), null)
+                    } catch (error: Exception) {
+                        Log.e(TAG, "setZoomRatio failed", error)
+                        onComplete(false, zoomCapabilitiesMap(), error.message)
+                    }
+                },
+                mainExecutor,
+        )
+    }
+
+    fun unbind() {
+        activeRecording?.stop()
+        activeRecording = null
+        cameraProvider?.unbindAll()
+        cameraProvider = null
+        preview = null
+        videoCapture = null
+        camera = null
+        boundLifecycleOwner = null
+        currentLensMode = LensMode.MAIN
+        currentZoomRatio = 1f
+        ultraWideZoomRatio = DEFAULT_ULTRA_WIDE_ZOOM_RATIO
+        updateStatus(RecordingStatus(RecordingState.IDLE))
+    }
+
+    fun elapsedMillis(): Long {
+        if (status.state != RecordingState.RECORDING) return 0L
+        return System.currentTimeMillis() - recordingStartedAt
+    }
+
+    private fun updateStatus(next: RecordingStatus) {
+        status = next
+        statusListener?.invoke(next)
+    }
+
+    private fun applyCurrentZoom() {
+        val boundCamera = camera ?: return
+        if (currentLensMode == LensMode.ULTRA_WIDE) {
+            currentZoomRatio = ultraWideZoomRatio
+            boundCamera.cameraControl.setZoomRatio(1f)
+            return
+        }
+        val zoomState = boundCamera.cameraInfo.zoomState.value
+        val minZoom = zoomState?.minZoomRatio ?: 1f
+        val maxZoom = zoomState?.maxZoomRatio ?: clampedMaxZoom()
+        currentZoomRatio = currentZoomRatio.coerceIn(minZoom, maxZoom)
+        boundCamera.cameraControl.setZoomRatio(currentZoomRatio)
+    }
+
+    private fun clampedMaxZoom(): Float {
+        return camera?.cameraInfo?.zoomState?.value?.maxZoomRatio ?: 3f
+    }
+
+    private fun discoverBackCameras(provider: ProcessCameraProvider) {
+        if (mainCameraId == null) {
+            mainCameraId = cameraIdForSelector(provider, CameraSelector.DEFAULT_BACK_CAMERA)
+        }
+        val ultraWideCamera = findUltraWideCamera(provider, mainCameraId)
+        ultraWideCameraId = ultraWideCamera?.cameraId
+        ultraWideZoomRatio = ultraWideCamera?.zoomRatio ?: DEFAULT_ULTRA_WIDE_ZOOM_RATIO
+        if (ultraWideCamera == null && currentLensMode == LensMode.ULTRA_WIDE) {
+            currentLensMode = LensMode.MAIN
+            currentZoomRatio = 1f
+        }
+        Log.d(
+                TAG,
+                "mainCameraId=$mainCameraId ultraWideCameraId=$ultraWideCameraId " +
+                        "ultraWideZoomRatio=$ultraWideZoomRatio",
+        )
+    }
+
+    private fun cameraIdForSelector(
+            provider: ProcessCameraProvider,
+            selector: CameraSelector,
+    ): String? {
+        return try {
+            val infos = selector.filter(provider.availableCameraInfos)
+            infos.firstOrNull()?.let { Camera2CameraInfo.from(it).cameraId }
+        } catch (error: Exception) {
+            Log.w(TAG, "cameraIdForSelector failed", error)
+            null
+        }
+    }
+
+    private fun findUltraWideCamera(
+            provider: ProcessCameraProvider,
+            excludedCameraId: String?,
+    ): UltraWideCamera? {
+        val manager = appContext.getSystemService(Context.CAMERA_SERVICE) as CameraManager
+        val candidates =
+                manager.cameraIdList
+                        .mapNotNull { cameraId -> backCameraProfile(manager, cameraId) }
+                        .filter { it.cameraId != excludedCameraId }
+                        .filter { provider.hasCameraSafely(selectorForCameraId(it.cameraId)) }
+                        .sortedWith(
+                                compareByDescending<CameraProfile> { it.horizontalFov }
+                                        .thenBy { it.minFocalLength },
+                        )
+
+        val mainProfile = excludedCameraId?.let { backCameraProfile(manager, it) }
+        val widest = candidates.firstOrNull() ?: return null
+        val candidatesDesc =
+                candidates.joinToString { "id=${it.cameraId} fov=${it.horizontalFov} focal=${it.minFocalLength}" }
+        val mainDesc =
+                mainProfile?.let { "id=${it.cameraId} fov=${it.horizontalFov} focal=${it.minFocalLength}" }
+        Log.d(TAG, "ultraWide candidates=[$candidatesDesc] main=$mainDesc")
+        if (mainProfile == null) {
+            return UltraWideCamera(widest.cameraId, DEFAULT_ULTRA_WIDE_ZOOM_RATIO)
+        }
+
+        val meaningfullyWider =
+                widest.horizontalFov > mainProfile.horizontalFov * ULTRA_WIDE_FOV_FACTOR ||
+                        widest.minFocalLength < mainProfile.minFocalLength * ULTRA_WIDE_FOCAL_FACTOR
+        Log.d(
+                TAG,
+                "ultraWide decision widest=${widest.cameraId} meaningfullyWider=$meaningfullyWider " +
+                        "(fovFactor=$ULTRA_WIDE_FOV_FACTOR focalFactor=$ULTRA_WIDE_FOCAL_FACTOR)",
+        )
+        if (!meaningfullyWider) {
+            return null
+        }
+
+        return UltraWideCamera(widest.cameraId, DEFAULT_ULTRA_WIDE_ZOOM_RATIO)
+    }
+
+    private fun backCameraProfile(
+            manager: CameraManager,
+            cameraId: String,
+    ): CameraProfile? {
+        return try {
+            val characteristics = manager.getCameraCharacteristics(cameraId)
+            val facing = characteristics.get(CameraCharacteristics.LENS_FACING)
+            if (facing != CameraCharacteristics.LENS_FACING_BACK) {
+                return null
+            }
+            val focalLengths =
+                    characteristics.get(CameraCharacteristics.LENS_INFO_AVAILABLE_FOCAL_LENGTHS)
+                            ?: return null
+            val physicalSize =
+                    characteristics.get(CameraCharacteristics.SENSOR_INFO_PHYSICAL_SIZE)
+                            ?: return null
+            val minFocalLength = focalLengths.minOrNull() ?: return null
+            val horizontalFov =
+                    2.0 * atan((physicalSize.width / (2.0f * minFocalLength)).toDouble())
+            CameraProfile(cameraId, minFocalLength, horizontalFov)
+        } catch (error: Exception) {
+            Log.w(TAG, "backCameraProfile failed for cameraId=$cameraId", error)
+            null
+        }
+    }
+
+    private fun selectorForCurrentLensMode(): CameraSelector {
+        val cameraId =
+                if (currentLensMode == LensMode.ULTRA_WIDE) {
+                    ultraWideCameraId
+                } else {
+                    mainCameraId
+                }
+        return if (cameraId != null) {
+            selectorForCameraId(cameraId)
+        } else {
+            CameraSelector.DEFAULT_BACK_CAMERA
+        }
+    }
+
+    private fun selectorForCameraId(cameraId: String): CameraSelector {
+        return CameraSelector.Builder()
+                .addCameraFilter { cameraInfos ->
+                    cameraInfos.filter { Camera2CameraInfo.from(it).cameraId == cameraId }
+                }
+                .build()
+    }
+
+    private fun bindUseCases(
+            provider: ProcessCameraProvider,
+            lifecycleOwner: LifecycleOwner,
+            selector: CameraSelector,
+    ) {
+        val boundPreview = preview ?: throw IllegalStateException("Preview is not ready")
+        val boundVideoCapture =
+                videoCapture ?: throw IllegalStateException("Video capture is not ready")
+        provider.unbindAll()
+        camera =
+                provider.bindToLifecycle(
+                        lifecycleOwner,
+                        selector,
+                        boundPreview,
+                        boundVideoCapture,
+                )
+    }
+
+    private fun switchToUltraWide(
+            onComplete: (Boolean, Map<String, Any>, String?) -> Unit,
+    ) {
+        val ultraWideId = ultraWideCameraId
+        if (ultraWideId == null) {
+            onComplete(false, zoomCapabilitiesMap(), "Ultra-wide camera is unavailable")
+            return
+        }
+        if (currentLensMode == LensMode.ULTRA_WIDE) {
+            currentZoomRatio = ultraWideZoomRatio
+            onComplete(true, zoomCapabilitiesMap(), null)
+            return
+        }
+        if (activeRecording != null) {
+            onComplete(false, zoomCapabilitiesMap(), "Cannot switch physical camera while recording")
+            return
+        }
+        val provider = cameraProvider
+        val lifecycleOwner = boundLifecycleOwner
+        if (provider == null || lifecycleOwner == null) {
+            onComplete(false, zoomCapabilitiesMap(), "Camera is not ready")
+            return
+        }
+        try {
+            currentLensMode = LensMode.ULTRA_WIDE
+            currentZoomRatio = ultraWideZoomRatio
+            bindUseCases(provider, lifecycleOwner, selectorForCameraId(ultraWideId))
+            applyCurrentZoom()
+            onComplete(true, zoomCapabilitiesMap(), null)
+        } catch (error: Exception) {
+            Log.e(TAG, "switchToUltraWide failed", error)
+            currentLensMode = LensMode.MAIN
+            currentZoomRatio = 1f
+            try {
+                bindUseCases(provider, lifecycleOwner, selectorForCurrentLensMode())
+                applyCurrentZoom()
+            } catch (restoreError: Exception) {
+                Log.e(TAG, "restore main camera after ultra-wide failure failed", restoreError)
+            }
+            onComplete(false, zoomCapabilitiesMap(), error.message)
+        }
+    }
+
+    private fun switchToMainAndZoom(
+            ratio: Double,
+            onComplete: (Boolean, Map<String, Any>, String?) -> Unit,
+    ) {
+        if (activeRecording != null) {
+            onComplete(false, zoomCapabilitiesMap(), "Cannot switch physical camera while recording")
+            return
+        }
+        val provider = cameraProvider
+        val lifecycleOwner = boundLifecycleOwner
+        if (provider == null || lifecycleOwner == null) {
+            onComplete(false, zoomCapabilitiesMap(), "Camera is not ready")
+            return
+        }
+        try {
+            currentLensMode = LensMode.MAIN
+            currentZoomRatio = ratio.toFloat().coerceAtLeast(1f)
+            bindUseCases(provider, lifecycleOwner, selectorForCurrentLensMode())
+            setZoomRatio(ratio, onComplete)
+        } catch (error: Exception) {
+            Log.e(TAG, "switchToMainAndZoom failed", error)
+            onComplete(false, zoomCapabilitiesMap(), error.message)
+        }
+    }
+
+    private fun hasUltraWideCamera(): Boolean {
+        return ultraWideCameraId != null
+    }
+
+    private fun ProcessCameraProvider.hasCameraSafely(selector: CameraSelector): Boolean {
+        return try {
+            hasCamera(selector)
+        } catch (error: Exception) {
+            false
+        }
+    }
+
+    private enum class LensMode {
+        MAIN,
+        ULTRA_WIDE,
+    }
+
+    private data class CameraProfile(
+            val cameraId: String,
+            val minFocalLength: Float,
+            val horizontalFov: Double,
+    )
+
+    private data class UltraWideCamera(
+            val cameraId: String,
+            val zoomRatio: Float,
+    )
+
+    companion object {
+        private const val TAG = "RecordingCamera"
+        private const val DEFAULT_ULTRA_WIDE_ZOOM_RATIO = 0.6f
+        // 适度放宽判定宽容度，覆盖更多机型(更小的 FOV/焦距差异也视为超广角)。
+        private const val ULTRA_WIDE_FOV_FACTOR = 1.04
+        private const val ULTRA_WIDE_FOCAL_FACTOR = 0.96
+    }
+}

android/app/src/main/kotlin/com/dronex/rec/recording/RecordingForegroundService.kt

@@ -1,4 +1,4 @@
-package com.qxy.dronex.recording
+package com.dronex.rec.recording
 
 import android.app.Notification
 import android.app.NotificationChannel
@@ -14,8 +14,8 @@ import android.os.PowerManager
 import androidx.core.app.NotificationCompat
 import androidx.core.content.ContextCompat
 import androidx.lifecycle.LifecycleService
-import com.qxy.dronex.AppConstants
-import com.qxy.dronex.MainActivity
+import com.dronex.rec.AppConstants
+import com.dronex.rec.MainActivity
 
 class RecordingForegroundService : LifecycleService() {
     private var wakeLock: PowerManager.WakeLock? = null

android/app/src/main/kotlin/com/dronex/rec/recording/RecordingOutputFactory.kt

@@ -1,4 +1,4 @@
-package com.qxy.dronex.recording
+package com.dronex.rec.recording
 
 import android.content.ContentValues
 import android.content.Context

android/app/src/main/kotlin/com/dronex/rec/recording/RecordingPlatformHandler.kt

@@ -1,12 +1,12 @@
-package com.qxy.dronex.recording
+package com.dronex.rec.recording
 
 import android.os.Handler
 import android.os.Looper
 import androidx.core.view.WindowCompat
 import androidx.core.view.WindowInsetsCompat
 import androidx.core.view.WindowInsetsControllerCompat
-import com.qxy.dronex.AppConstants
-import com.qxy.dronex.MainActivity
+import com.dronex.rec.AppConstants
+import com.dronex.rec.MainActivity
 import io.flutter.plugin.common.BinaryMessenger
 import io.flutter.plugin.common.EventChannel
 import io.flutter.plugin.common.MethodCall
@@ -50,6 +50,11 @@ class RecordingPlatformHandler(
                 startRecording(withAudio, enableDnd, displayName, result)
             }
             "stopRecording" -> stopRecording(result)
+            "getZoomCapabilities" -> result.success(controller.zoomCapabilitiesMap())
+            "setZoomRatio" -> {
+                val ratio = call.argument<Double>("zoomRatio") ?: 1.0
+                setZoomRatio(ratio, result)
+            }
             "disposePreview" -> {
                 controller.unbind()
                 result.success(null)
@@ -172,16 +177,28 @@ class RecordingPlatformHandler(
         }
     }
 
+    private fun setZoomRatio(ratio: Double, result: MethodChannel.Result) {
+        controller.setZoomRatio(ratio) { success, capabilities, message ->
+            mainHandler.post {
+                if (success) {
+                    result.success(capabilities)
+                } else {
+                    result.error("ZOOM_FAILED", message ?: "Failed to set camera zoom", null)
+                }
+            }
+        }
+    }
+
     private fun deliverStopResult(result: MethodChannel.Result, path: String?) {
-        val gallerySaved = path != null && controller.status.state != RecordingState.ERROR
+        val fileSaved = path != null && controller.status.state != RecordingState.ERROR
         val payload =
                 mutableMapOf<String, Any?>(
                         "outputPath" to path,
                         "status" to controller.status.toMap(),
-                        "gallerySaved" to gallerySaved,
+                        "fileSaved" to fileSaved,
                 )
-        if (!gallerySaved) {
-            payload["galleryErrorMessage"] = controller.status.message ?: "保存到相册失败"
+        if (!fileSaved) {
+            payload["fileErrorMessage"] = controller.status.message ?: "保存到文件夹失败"
         }
         result.success(payload)
     }

android/app/src/main/kotlin/com/dronex/rec/recording/RecordingPreviewFactory.kt

@@ -1,9 +1,9 @@
-package com.qxy.dronex.recording
+package com.dronex.rec.recording
 
 import android.content.Context
 import android.view.View
 import androidx.camera.view.PreviewView
-import com.qxy.dronex.MainActivity
+import com.dronex.rec.MainActivity
 import io.flutter.plugin.common.StandardMessageCodec
 import io.flutter.plugin.platform.PlatformView
 import io.flutter.plugin.platform.PlatformViewFactory

android/app/src/main/kotlin/com/dronex/rec/recording/RecordingSession.kt

@@ -1,4 +1,4 @@
-package com.qxy.dronex.recording
+package com.dronex.rec.recording
 
 import android.content.Context
 import androidx.lifecycle.LifecycleService

android/app/src/main/kotlin/com/dronex/rec/recording/RecordingState.kt

@@ -1,4 +1,4 @@
-package com.qxy.dronex.recording
+package com.dronex.rec.recording
 
 enum class RecordingState {
     IDLE,

android/app/src/main/kotlin/com/qxy/dronex/recording/RecordingCameraController.kt

@@ -1,248 +0,0 @@
-package com.qxy.dronex.recording
-
-import android.content.Context
-import android.util.Log
-import androidx.camera.core.CameraSelector
-import androidx.camera.core.Preview
-import androidx.camera.lifecycle.ProcessCameraProvider
-import androidx.camera.video.Quality
-import androidx.camera.video.QualitySelector
-import androidx.camera.video.Recorder
-import androidx.camera.video.Recording
-import androidx.camera.video.VideoCapture
-import androidx.camera.video.VideoRecordEvent
-import androidx.camera.view.PreviewView
-import androidx.core.content.ContextCompat
-import androidx.lifecycle.LifecycleOwner
-import java.util.concurrent.Executor
-
-class RecordingCameraController(
-        private val appContext: Context,
-) {
-    private val mainExecutor: Executor = ContextCompat.getMainExecutor(appContext)
-
-    private var cameraProvider: ProcessCameraProvider? = null
-    private var preview: Preview? = null
-    private var videoCapture: VideoCapture<Recorder>? = null
-    private var activeRecording: Recording? = null
-    private var boundLifecycleOwner: LifecycleOwner? = null
-
-    var status: RecordingStatus = RecordingStatus(RecordingState.IDLE)
-        private set
-
-    var statusListener: ((RecordingStatus) -> Unit)? = null
-
-    private var recordingStartedAt: Long = 0L
-    private var latestOutputPath: String? = null
-    private var pendingStopCallback: ((String?) -> Unit)? = null
-
-    fun bindPreview(
-            lifecycleOwner: LifecycleOwner,
-            previewView: PreviewView,
-            onReady: (Boolean) -> Unit,
-    ) {
-        val future = ProcessCameraProvider.getInstance(appContext)
-        future.addListener(
-                {
-                    try {
-                        val provider = future.get()
-                        cameraProvider = provider
-                        boundLifecycleOwner = lifecycleOwner
-
-                        preview =
-                                Preview.Builder().build().also {
-                                    it.surfaceProvider = previewView.surfaceProvider
-                                }
-
-                        val recorder =
-                                Recorder.Builder()
-                                        .setQualitySelector(QualitySelector.from(Quality.HD))
-                                        .build()
-                        videoCapture = VideoCapture.withOutput(recorder)
-
-                        provider.unbindAll()
-                        provider.bindToLifecycle(
-                                lifecycleOwner,
-                                CameraSelector.DEFAULT_BACK_CAMERA,
-                                preview,
-                                videoCapture,
-                        )
-
-                        updateStatus(RecordingStatus(RecordingState.PREVIEWING))
-                        onReady(true)
-                    } catch (error: Exception) {
-                        Log.e(TAG, "bindPreview failed", error)
-                        updateStatus(
-                                RecordingStatus(
-                                        RecordingState.ERROR,
-                                        message = error.message,
-                                ),
-                        )
-                        onReady(false)
-                    }
-                },
-                mainExecutor,
-        )
-    }
-
-    fun rebindForRecording(
-            lifecycleOwner: LifecycleOwner,
-            previewView: PreviewView,
-            onReady: (Boolean) -> Unit,
-    ) {
-        val provider = cameraProvider
-        if (provider == null) {
-            bindPreview(lifecycleOwner, previewView, onReady)
-            return
-        }
-
-        if (
-                boundLifecycleOwner === lifecycleOwner &&
-                        preview != null &&
-                        videoCapture != null
-        ) {
-            onReady(true)
-            return
-        }
-
-        try {
-            boundLifecycleOwner = lifecycleOwner
-            provider.unbindAll()
-            provider.bindToLifecycle(
-                    lifecycleOwner,
-                    CameraSelector.DEFAULT_BACK_CAMERA,
-                    preview,
-                    videoCapture,
-            )
-            onReady(true)
-        } catch (error: Exception) {
-            Log.e(TAG, "rebindForRecording failed", error)
-            onReady(false)
-        }
-    }
-
-    fun startRecording(
-            withAudio: Boolean,
-            displayName: String?,
-            onStarted: (Boolean, String?) -> Unit,
-    ) {
-        val capture = videoCapture
-        if (capture == null || boundLifecycleOwner == null) {
-            onStarted(false, "Camera not ready")
-            return
-        }
-
-        if (activeRecording != null) {
-            onStarted(false, "Already recording")
-            return
-        }
-
-        val outputOptions =
-                RecordingOutputFactory.buildMediaStoreOutputOptions(
-                        appContext,
-                        displayName,
-                )
-        latestOutputPath = null
-
-        val pending =
-                capture.output.prepareRecording(appContext, outputOptions).apply {
-                    if (withAudio) {
-                        val granted =
-                                ContextCompat.checkSelfPermission(
-                                        appContext,
-                                        android.Manifest.permission.RECORD_AUDIO,
-                                ) == android.content.pm.PackageManager.PERMISSION_GRANTED
-                        if (granted) {
-                            withAudioEnabled()
-                        }
-                    }
-                }
-
-        recordingStartedAt = System.currentTimeMillis()
-        updateStatus(
-                RecordingStatus(
-                        RecordingState.RECORDING,
-                        outputPath = latestOutputPath,
-                ),
-        )
-
-        activeRecording =
-                pending.start(mainExecutor) { event ->
-                    when (event) {
-                        is VideoRecordEvent.Start -> Unit
-                        is VideoRecordEvent.Finalize -> {
-                            activeRecording = null
-                            if (event.hasError()) {
-                                updateStatus(
-                                        RecordingStatus(
-                                                RecordingState.ERROR,
-                                                message = event.cause?.message
-                                                                ?: "Recording failed",
-                                        ),
-                                )
-                            } else {
-                                latestOutputPath = event.outputResults.outputUri.toString()
-                                updateStatus(
-                                        RecordingStatus(
-                                                RecordingState.PREVIEWING,
-                                                outputPath = latestOutputPath,
-                                                elapsedMillis =
-                                                        System.currentTimeMillis() -
-                                                                recordingStartedAt,
-                                        ),
-                                )
-                            }
-                            val stopCallback = pendingStopCallback
-                            pendingStopCallback = null
-                            stopCallback?.invoke(latestOutputPath)
-                        }
-                    }
-                }
-
-        onStarted(true, latestOutputPath ?: "recording")
-    }
-
-    fun stopRecording(onStopped: (String?) -> Unit) {
-        val recording = activeRecording
-        if (recording == null) {
-            onStopped(latestOutputPath)
-            return
-        }
-
-        pendingStopCallback = onStopped
-        updateStatus(
-                RecordingStatus(
-                        RecordingState.STOPPING,
-                        outputPath = latestOutputPath,
-                ),
-        )
-
-        recording.stop()
-        activeRecording = null
-    }
-
-    fun unbind() {
-        activeRecording?.stop()
-        activeRecording = null
-        cameraProvider?.unbindAll()
-        cameraProvider = null
-        preview = null
-        videoCapture = null
-        boundLifecycleOwner = null
-        updateStatus(RecordingStatus(RecordingState.IDLE))
-    }
-
-    fun elapsedMillis(): Long {
-        if (status.state != RecordingState.RECORDING) return 0L
-        return System.currentTimeMillis() - recordingStartedAt
-    }
-
-    private fun updateStatus(next: RecordingStatus) {
-        status = next
-        statusListener?.invoke(next)
-    }
-
-    companion object {
-        private const val TAG = "RecordingCamera"
-    }
-}

build-apk-split.sh

@@ -0,0 +1 @@
+flutter build apk --release --split-per-abi

build-apk.sh

@@ -0,0 +1 @@
+flutter build apk --release

buildServer.json

@@ -0,0 +1,19 @@
+{
+	"name": "xcode build server",
+	"version": "1.3.0",
+	"bspVersion": "2.2.0",
+	"languages": [
+		"c",
+		"cpp",
+		"objective-c",
+		"objective-cpp",
+		"swift"
+	],
+	"argv": [
+		"/opt/homebrew/bin/xcode-build-server"
+	],
+	"workspace": "/Users/ZhuanZ/Documents/gdfw/record-tool/ios/Runner.xcworkspace",
+	"build_root": "/Users/ZhuanZ/Library/Developer/Xcode/DerivedData/Runner-ckjfuyjdkgumnpbnnftroxddsppq",
+	"scheme": "Runner",
+	"kind": "xcode"
+}

clean.sh

@@ -0,0 +1,7 @@
+flutter clean  
+flutter pub get
+rm -rf ios/Pods
+rm -rf ios/Podfile.lock
+cd ios
+pod install
+cd ..

devtools_options.yaml

@@ -0,0 +1,3 @@
+description: This file stores settings for Dart & Flutter DevTools.
+documentation: https://docs.flutter.dev/tools/devtools/extensions#configure-extension-enablement-states
+extensions:

ios/Flutter/Debug.xcconfig

@@ -1,2 +1,3 @@
 #include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "Generated.xcconfig"
+FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}"

ios/Flutter/Release.xcconfig

@@ -1,2 +1,3 @@
 #include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "Generated.xcconfig"
+FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}"

ios/Podfile

@@ -45,9 +45,34 @@ post_install do |installer|
         '$(inherited)',
         'PERMISSION_CAMERA=1',
         'PERMISSION_MICROPHONE=1',
-        'PERMISSION_PHOTOS=1',
-        'PERMISSION_PHOTOS_ADD_ONLY=1',
       ]
     end
   end
+
+  pods_runner_dir = File.join(
+    installer.sandbox.root,
+    'Target Support Files',
+    'Pods-Runner'
+  )
+  Dir.glob(File.join(pods_runner_dir, 'Pods-Runner.*.xcconfig')).each do |config_path|
+    config = File.read(config_path)
+    config.gsub!(
+      'FRAMEWORK_SEARCH_PATHS = $(inherited)',
+      'FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}"'
+    )
+    File.write(config_path, config)
+  end
+
+  Dir.glob(File.join(pods_runner_dir, 'Pods-Runner-frameworks-*input-files.xcfilelist')).each do |file_list_path|
+    file_list = File.read(file_list_path)
+    file_list.gsub!('${BUILT_PRODUCTS_DIR}/', '${PODS_CONFIGURATION_BUILD_DIR}/')
+    File.write(file_list_path, file_list)
+  end
+
+  frameworks_script = File.join(pods_runner_dir, 'Pods-Runner-frameworks.sh')
+  if File.exist?(frameworks_script)
+    script = File.read(frameworks_script)
+    script.gsub!('${BUILT_PRODUCTS_DIR}/', '${PODS_CONFIGURATION_BUILD_DIR}/')
+    File.write(frameworks_script, script)
+  end
 end

ios/Podfile.lock

@@ -1,16 +1,48 @@
 PODS:
+  - connectivity_plus (0.0.1):
+    - Flutter
   - Flutter (1.0.0)
+  - permission_handler_apple (9.4.8):
+    - Flutter
+  - shared_preferences_foundation (0.0.1):
+    - Flutter
+    - FlutterMacOS
+  - sqflite_darwin (0.0.4):
+    - Flutter
+    - FlutterMacOS
+  - url_launcher_ios (0.0.1):
+    - Flutter
 
 DEPENDENCIES:
+  - connectivity_plus (from `.symlinks/plugins/connectivity_plus/ios`)
   - Flutter (from `Flutter`)
+  - permission_handler_apple (from `.symlinks/plugins/permission_handler_apple/ios`)
+  - shared_preferences_foundation (from `.symlinks/plugins/shared_preferences_foundation/darwin`)
+  - sqflite_darwin (from `.symlinks/plugins/sqflite_darwin/darwin`)
+  - url_launcher_ios (from `.symlinks/plugins/url_launcher_ios/ios`)
 
 EXTERNAL SOURCES:
+  connectivity_plus:
+    :path: ".symlinks/plugins/connectivity_plus/ios"
   Flutter:
     :path: Flutter
+  permission_handler_apple:
+    :path: ".symlinks/plugins/permission_handler_apple/ios"
+  shared_preferences_foundation:
+    :path: ".symlinks/plugins/shared_preferences_foundation/darwin"
+  sqflite_darwin:
+    :path: ".symlinks/plugins/sqflite_darwin/darwin"
+  url_launcher_ios:
+    :path: ".symlinks/plugins/url_launcher_ios/ios"
 
 SPEC CHECKSUMS:
+  connectivity_plus: cb623214f4e1f6ef8fe7403d580fdad517d2f7dd
   Flutter: cabc95a1d2626b1b06e7179b784ebcf0c0cde467
+  permission_handler_apple: 92d754bbaa7361d436db2d6c3c1c2a0fdcec462e
+  shared_preferences_foundation: 7036424c3d8ec98dfe75ff1667cb0cd531ec82bb
+  sqflite_darwin: 20b2a3a3b70e43edae938624ce550a3cbf66a3d0
+  url_launcher_ios: 7a95fa5b60cc718a708b8f2966718e93db0cef1b
 
-PODFILE CHECKSUM: 5a82b772179df87e6518bddc6f9bb8b4053ce48b
+PODFILE CHECKSUM: 858401fbd980bedce6ecd2f9b429bf271f11f74b
 
 COCOAPODS: 1.16.2

ios/Runner.xcodeproj/project.pbxproj

@@ -12,7 +12,6 @@
 		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
 		64BC3B3C75FABAA128C4FE7A /* Pods_RunnerTests.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D84231833EC084C45F76D9A0 /* Pods_RunnerTests.framework */; };
 		74858FAF1ED2DC5600515810 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74858FAE1ED2DC5600515810 /* AppDelegate.swift */; };
-		78A318202AECB46A00862997 /* FlutterGeneratedPluginSwiftPackage in Frameworks */ = {isa = PBXBuildFile; productRef = 78A3181F2AECB46A00862997 /* FlutterGeneratedPluginSwiftPackage */; };
 		87DA76CA5231F693C9392B80 /* Pods_Runner.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B6AA1C86CE710449CC3E8FCD /* Pods_Runner.framework */; };
 		8D5D9D9E2C69000100F10001 /* RecordingPlugin.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8D5D9D9D2C69000100F10001 /* RecordingPlugin.swift */; };
 		8E5D9D9E2C69000100F10002 /* PlatformInfoPlugin.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8E5D9D9D2C69000100F10002 /* PlatformInfoPlugin.swift */; };
@@ -54,7 +53,6 @@
 		69561E7442E8CC939DB2B482 /* Pods-Runner.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.debug.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"; sourceTree = "<group>"; };
 		74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Runner-Bridging-Header.h"; sourceTree = "<group>"; };
 		74858FAE1ED2DC5600515810 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
-		78E0A7A72DC9AD7400C4905E /* FlutterGeneratedPluginSwiftPackage */ = {isa = PBXFileReference; lastKnownFileType = wrapper; name = FlutterGeneratedPluginSwiftPackage; path = Flutter/ephemeral/Packages/FlutterGeneratedPluginSwiftPackage; sourceTree = "<group>"; };
 		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
 		8D5D9D9D2C69000100F10001 /* RecordingPlugin.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RecordingPlugin.swift; sourceTree = "<group>"; };
 		8E5D9D9D2C69000100F10002 /* PlatformInfoPlugin.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PlatformInfoPlugin.swift; sourceTree = "<group>"; };
@@ -86,7 +84,6 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				78A318202AECB46A00862997 /* FlutterGeneratedPluginSwiftPackage in Frameworks */,
 				87DA76CA5231F693C9392B80 /* Pods_Runner.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -104,7 +101,6 @@
 				DFA822DC4965C5AFAFF6BB41 /* Pods-RunnerTests.release.xcconfig */,
 				99DBE6263F70650B13C33EAC /* Pods-RunnerTests.profile.xcconfig */,
 			);
-			name = Pods;
 			path = Pods;
 			sourceTree = "<group>";
 		};
@@ -128,7 +124,6 @@
 		9740EEB11CF90186004384FC /* Flutter */ = {
 			isa = PBXGroup;
 			children = (
-				78E0A7A72DC9AD7400C4905E /* FlutterGeneratedPluginSwiftPackage */,
 				3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */,
 				9740EEB21CF90195004384FC /* Debug.xcconfig */,
 				7AFA3C8E1D35360C0083082E /* Release.xcconfig */,
@@ -208,15 +203,14 @@
 				97C146EC1CF9000F007C117D /* Resources */,
 				9705A1C41CF9048500538489 /* Embed Frameworks */,
 				3B06AD1E1E4923F5004D2608 /* Thin Binary */,
+				7858230D5ADC7A99F778CB03 /* [CP] Embed Pods Frameworks */,
+				99E9790F23C2D0C0B51A6C19 /* [CP] Copy Pods Resources */,
 			);
 			buildRules = (
 			);
 			dependencies = (
 			);
 			name = Runner;
-			packageProductDependencies = (
-				78A3181F2AECB46A00862997 /* FlutterGeneratedPluginSwiftPackage */,
-			);
 			productName = Runner;
 			productReference = 97C146EE1CF9000F007C117D /* Runner.app */;
 			productType = "com.apple.product-type.application";
@@ -250,9 +244,6 @@
 				Base,
 			);
 			mainGroup = 97C146E51CF9000F007C117D;
-			packageReferences = (
-				781AD8BC2B33823900A9FFBB /* XCLocalSwiftPackageReference "FlutterGeneratedPluginSwiftPackage" */,
-			);
 			productRefGroup = 97C146EF1CF9000F007C117D /* Products */;
 			projectDirPath = "";
 			projectRoot = "";
@@ -345,6 +336,23 @@
 			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
 			showEnvVarsInLog = 0;
 		};
+		7858230D5ADC7A99F778CB03 /* [CP] Embed Pods Frameworks */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks-${CONFIGURATION}-input-files.xcfilelist",
+			);
+			name = "[CP] Embed Pods Frameworks";
+			outputFileListPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks-${CONFIGURATION}-output-files.xcfilelist",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh\"\n";
+			showEnvVarsInLog = 0;
+		};
 		9740EEB61CF901F6004384FC /* Run Script */ = {
 			isa = PBXShellScriptBuildPhase;
 			alwaysOutOfDate = 1;
@@ -360,6 +368,23 @@
 			shellPath = /bin/sh;
 			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" build";
 		};
+		99E9790F23C2D0C0B51A6C19 /* [CP] Copy Pods Resources */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources-${CONFIGURATION}-input-files.xcfilelist",
+			);
+			name = "[CP] Copy Pods Resources";
+			outputFileListPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources-${CONFIGURATION}-output-files.xcfilelist",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources.sh\"\n";
+			showEnvVarsInLog = 0;
+		};
 /* End PBXShellScriptBuildPhase section */
 
 /* Begin PBXSourcesBuildPhase section */
@@ -470,16 +495,22 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_IDENTITY = "Apple Development";
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				CODE_SIGN_STYLE = Manual;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				DEVELOPMENT_TEAM = 35634V629S;
+				DEVELOPMENT_TEAM = "";
+				"DEVELOPMENT_TEAM[sdk=iphoneos*]" = MT26BPCKF6;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.qxy.dronex;
+				PRODUCT_BUNDLE_IDENTIFIER = com.dronex.rec;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
+				"PROVISIONING_PROFILE_SPECIFIER[sdk=iphoneos*]" = "dev-profile-dronex";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -653,16 +684,22 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_IDENTITY = "Apple Development";
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				CODE_SIGN_STYLE = Manual;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				DEVELOPMENT_TEAM = 35634V629S;
+				DEVELOPMENT_TEAM = "";
+				"DEVELOPMENT_TEAM[sdk=iphoneos*]" = MT26BPCKF6;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.qxy.dronex;
+				PRODUCT_BUNDLE_IDENTIFIER = com.dronex.rec;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
+				"PROVISIONING_PROFILE_SPECIFIER[sdk=iphoneos*]" = "dev-profile-dronex";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_VERSION = 5.0;
@@ -676,16 +713,22 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_IDENTITY = "Apple Development";
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				CODE_SIGN_STYLE = Manual;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				DEVELOPMENT_TEAM = 35634V629S;
+				DEVELOPMENT_TEAM = "";
+				"DEVELOPMENT_TEAM[sdk=iphoneos*]" = MT26BPCKF6;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.qxy.dronex;
+				PRODUCT_BUNDLE_IDENTIFIER = com.dronex.rec;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
+				"PROVISIONING_PROFILE_SPECIFIER[sdk=iphoneos*]" = "dev-profile-dronex";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -726,20 +769,6 @@
 			defaultConfigurationName = Release;
 		};
 /* End XCConfigurationList section */
-
-/* Begin XCLocalSwiftPackageReference section */
-		781AD8BC2B33823900A9FFBB /* XCLocalSwiftPackageReference "FlutterGeneratedPluginSwiftPackage" */ = {
-			isa = XCLocalSwiftPackageReference;
-			relativePath = Flutter/ephemeral/Packages/FlutterGeneratedPluginSwiftPackage;
-		};
-/* End XCLocalSwiftPackageReference section */
-
-/* Begin XCSwiftPackageProductDependency section */
-		78A3181F2AECB46A00862997 /* FlutterGeneratedPluginSwiftPackage */ = {
-			isa = XCSwiftPackageProductDependency;
-			productName = FlutterGeneratedPluginSwiftPackage;
-		};
-/* End XCSwiftPackageProductDependency section */
 	};
 	rootObject = 97C146E61CF9000F007C117D /* Project object */;
 }

ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
    LastUpgradeVersion = "1510"
-   version = "1.3">
+   version = "1.7">
    <BuildAction
       parallelizeBuildables = "YES"
       buildImplicitDependencies = "YES">
@@ -70,7 +70,7 @@
       </Testables>
    </TestAction>
    <LaunchAction
-      buildConfiguration = "Debug"
+      buildConfiguration = "Release"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       customLLDBInitFile = "$(SRCROOT)/Flutter/ephemeral/flutter_lldbinit"

ios/Runner/Assets.xcassets/StartupBackground.imageset/Contents.json

@@ -0,0 +1,13 @@
+{
+  "images" : [
+    {
+      "filename" : "startup_background.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ios/Runner/Base.lproj/LaunchScreen.storyboard

@@ -16,13 +16,15 @@
                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
-                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
+                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" image="StartupBackground" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
                             </imageView>
                         </subviews>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
-                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
-                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="top" secondItem="Ze5-6b-2t3" secondAttribute="top" id="1a2-6s-vTC"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="bottom" secondItem="Ze5-6b-2t3" secondAttribute="bottom" id="4X2-HB-R7a"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leading" id="E8f-e3-JEx"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="trailing" secondItem="Ze5-6b-2t3" secondAttribute="trailing" id="rwG-Bh-0uU"/>
                         </constraints>
                     </view>
                 </viewController>
@@ -32,6 +34,6 @@
         </scene>
     </scenes>
     <resources>
-        <image name="LaunchImage" width="168" height="185"/>
+        <image name="StartupBackground" width="750" height="1624"/>
     </resources>
 </document>

ios/Runner/Base.lproj/Main.storyboard

@@ -1,8 +1,10 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="24412" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
+    <device id="retina6_12" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="24405"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
         <!--Flutter View Controller-->
@@ -14,13 +16,28 @@
                         <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
                     </layoutGuides>
                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                        <subviews>
+                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" image="StartupBackground" translatesAutoresizingMaskIntoConstraints="NO" id="YQm-Ov-qw7">
+                                <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
+                            </imageView>
+                        </subviews>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstItem="YQm-Ov-qw7" firstAttribute="top" secondItem="8bC-Xf-vdC" secondAttribute="top" id="7pp-OK-Dgk"/>
+                            <constraint firstItem="YQm-Ov-qw7" firstAttribute="bottom" secondItem="8bC-Xf-vdC" secondAttribute="bottom" id="Hbf-gY-rbf"/>
+                            <constraint firstItem="YQm-Ov-qw7" firstAttribute="leading" secondItem="8bC-Xf-vdC" secondAttribute="leading" id="WPc-7k-20p"/>
+                            <constraint firstItem="YQm-Ov-qw7" firstAttribute="trailing" secondItem="8bC-Xf-vdC" secondAttribute="trailing" id="w1G-WA-3QR"/>
+                        </constraints>
                     </view>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
             </objects>
+            <point key="canvasLocation" x="139" y="122"/>
         </scene>
     </scenes>
+    <resources>
+        <image name="StartupBackground" width="750" height="1624"/>
+    </resources>
 </document>

ios/Runner/Info.plist

@@ -30,8 +30,10 @@
 	<string>需要访问相机以显示预览并录制视频。</string>
 	<key>NSMicrophoneUsageDescription</key>
 	<string>需要访问麦克风以录制视频声音；未授权时将静音录制。</string>
-	<key>NSPhotoLibraryAddUsageDescription</key>
-	<string>需要将录制的视频保存到相册。</string>
+	<key>UIFileSharingEnabled</key>
+	<true/>
+	<key>LSSupportsOpeningDocumentsInPlace</key>
+	<true/>
 	<key>UIApplicationSceneManifest</key>
 	<dict>
 		<key>UIApplicationSupportsMultipleScenes</key>

ios/Runner/PlatformInfoPlugin.swift

@@ -4,7 +4,7 @@ import UIKit
 final class PlatformInfoPlugin: NSObject, FlutterPlugin {
   static func register(with registrar: FlutterPluginRegistrar) {
     let channel = FlutterMethodChannel(
-      name: "com.qxy.dronex/platform_info",
+      name: "com.dronex.rec/platform_info",
       binaryMessenger: registrar.messenger()
     )
     let plugin = PlatformInfoPlugin()

ios/Runner/RecordingPlugin.swift

@@ -1,6 +1,5 @@
 import AVFoundation
 import Flutter
-import Photos
 import UIKit
 
 private enum RecordingState: String {
@@ -110,12 +109,13 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
   private var audioInput: AVCaptureDeviceInput?
   private var configured = false
   private var latestOutputPath: String?
-  private var latestGallerySaved = true
-  private var latestGalleryErrorMessage: String?
+  private var latestFileSaved = true
+  private var latestFileErrorMessage: String?
   private var pendingDisplayName: String?
   private var recordingStartedAt: Date?
   private var elapsedTimer: Timer?
   private var pendingStopResult: FlutterResult?
+  private var currentZoomRatio: CGFloat = 1.0
 
   private(set) var status = RecordingStatus(state: .idle) {
     didSet {
@@ -129,14 +129,30 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
   var statusListener: (([String: Any]) -> Void)?
 
   func attach(previewView: RecordingPreviewView) {
-    self.previewView = previewView
-    previewView.previewLayer.session = session
+    let bindPreview = { [weak self, weak previewView] in
+      guard let self, let previewView else { return }
+      self.previewView = previewView
+      previewView.previewLayer.session = self.session
+    }
+    if Thread.isMainThread {
+      bindPreview()
+    } else {
+      DispatchQueue.main.async(execute: bindPreview)
+    }
   }
 
   func detach(previewView: RecordingPreviewView) {
-    if self.previewView === previewView {
-      self.previewView?.previewLayer.session = nil
-      self.previewView = nil
+    let unbindPreview = { [weak self, weak previewView] in
+      guard let self, let previewView else { return }
+      if self.previewView === previewView {
+        previewView.previewLayer.session = nil
+        self.previewView = nil
+      }
+    }
+    if Thread.isMainThread {
+      unbindPreview()
+    } else {
+      DispatchQueue.main.async(execute: unbindPreview)
     }
   }
 
@@ -199,10 +215,10 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
         }
 
         self.pendingDisplayName = displayName
-        self.latestGallerySaved = true
-        self.latestGalleryErrorMessage = nil
+        self.latestFileSaved = true
+        self.latestFileErrorMessage = nil
         let outputURL = try self.createOutputURL(displayName: displayName)
-        self.latestOutputPath = outputURL.lastPathComponent
+        self.latestOutputPath = outputURL.path
         self.recordingStartedAt = Date()
         self.updateStatus(RecordingStatus(state: .recording, outputPath: outputURL.path))
         self.movieOutput.startRecording(to: outputURL, recordingDelegate: self)
@@ -238,11 +254,11 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
           var payload: [String: Any] = [
             "outputPath": self.latestOutputPath as Any,
             "status": self.currentStatusMap(),
-            "gallerySaved": self.latestGallerySaved,
+            "fileSaved": self.latestFileSaved,
           ]
-          if !self.latestGallerySaved {
-            payload["galleryErrorMessage"] =
-              self.latestGalleryErrorMessage ?? "保存到相册失败"
+          if !self.latestFileSaved {
+            payload["fileErrorMessage"] =
+              self.latestFileErrorMessage ?? "保存到文件夹失败"
           }
           result(payload)
         }
@@ -275,6 +291,7 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
       self.session.commitConfiguration()
       self.videoInput = nil
       self.audioInput = nil
+      self.currentZoomRatio = 1.0
       self.configured = false
       self.updateStatus(RecordingStatus(state: .idle))
 
@@ -296,6 +313,54 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
     return status.toMap()
   }
 
+  func zoomCapabilities(result: @escaping FlutterResult) {
+    sessionQueue.async { [weak self] in
+      guard let self else { return }
+      let capabilities = self.currentZoomCapabilitiesMap()
+      DispatchQueue.main.async {
+        result(capabilities)
+      }
+    }
+  }
+
+  func setZoomRatio(_ ratio: CGFloat, result: @escaping FlutterResult) {
+    sessionQueue.async { [weak self] in
+      guard let self else { return }
+      guard let device = self.videoInput?.device else {
+        self.currentZoomRatio = max(1.0, ratio)
+        let capabilities = self.currentZoomCapabilitiesMap()
+        DispatchQueue.main.async {
+          result(capabilities)
+        }
+        return
+      }
+
+      do {
+        // 入参是显示倍率(1.0x = 主摄)，按 S 基准换算回设备 zoomFactor。
+        let baseline = self.mainBaselineFactor(for: device)
+        let nextZoom = self.clampedZoomRatio(ratio * baseline, for: device)
+        try device.lockForConfiguration()
+        device.videoZoomFactor = nextZoom
+        device.unlockForConfiguration()
+        self.currentZoomRatio = nextZoom
+        let capabilities = self.currentZoomCapabilitiesMap()
+        DispatchQueue.main.async {
+          result(capabilities)
+        }
+      } catch {
+        DispatchQueue.main.async {
+          result(
+            FlutterError(
+              code: "ZOOM_FAILED",
+              message: error.localizedDescription,
+              details: nil
+            )
+          )
+        }
+      }
+    }
+  }
+
   func fileOutput(
     _ output: AVCaptureFileOutput,
     didFinishRecordingTo outputFileURL: URL,
@@ -306,8 +371,8 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
     pendingStopResult = nil
 
     if let error {
-      latestGallerySaved = false
-      latestGalleryErrorMessage = error.localizedDescription
+      latestFileSaved = false
+      latestFileErrorMessage = error.localizedDescription
       updateStatus(
         RecordingStatus(
           state: .error, outputPath: latestOutputPath, message: error.localizedDescription))
@@ -315,29 +380,30 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
       return
     }
 
-    saveVideoToPhotoLibrary(fileURL: outputFileURL) { [weak self] success, message in
-      guard let self else { return }
-      self.latestGallerySaved = success
-      self.latestGalleryErrorMessage = message
-      if success {
-        self.updateStatus(
-          RecordingStatus(
-            state: .previewing,
-            outputPath: self.latestOutputPath,
-            elapsedMillis: self.elapsedMillis()
-          )
+    latestFileSaved = true
+    latestFileErrorMessage = nil
+    latestOutputPath = outputFileURL.path
+    guard FileManager.default.fileExists(atPath: outputFileURL.path) else {
+      latestFileSaved = false
+      latestFileErrorMessage = "录制文件未生成"
+      updateStatus(
+        RecordingStatus(
+          state: .error,
+          outputPath: latestOutputPath,
+          message: latestFileErrorMessage
         )
-      } else {
-        self.updateStatus(
-          RecordingStatus(
-            state: .error,
-            outputPath: self.latestOutputPath,
-            message: message ?? "保存到相册失败"
-          )
-        )
-      }
-      self.finishStopRecording(stopResult: stopResult)
+      )
+      finishStopRecording(stopResult: stopResult)
+      return
     }
+    updateStatus(
+      RecordingStatus(
+        state: .previewing,
+        outputPath: latestOutputPath,
+        elapsedMillis: elapsedMillis()
+      )
+    )
+    finishStopRecording(stopResult: stopResult)
   }
 
   private func finishStopRecording(stopResult: FlutterResult?) {
@@ -347,79 +413,23 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
       var payload: [String: Any] = [
         "outputPath": self.latestOutputPath as Any,
         "status": self.currentStatusMap(),
-        "gallerySaved": self.latestGallerySaved,
+        "fileSaved": self.latestFileSaved,
       ]
-      if !self.latestGallerySaved {
-        payload["galleryErrorMessage"] =
-          self.latestGalleryErrorMessage ?? "保存到相册失败，请开启相册权限"
+      if !self.latestFileSaved {
+        payload["fileErrorMessage"] =
+          self.latestFileErrorMessage ?? "保存到文件夹失败，请检查文件保存权限"
       }
       stopResult?(payload)
     }
   }
 
-  private func saveVideoToPhotoLibrary(
-    fileURL: URL,
-    completion: @escaping (Bool, String?) -> Void
-  ) {
-    let performSave = {
-      PHPhotoLibrary.shared().performChanges({
-        PHAssetCreationRequest.forAsset().addResource(with: .video, fileURL: fileURL, options: nil)
-      }) { success, error in
-        if success {
-          try? FileManager.default.removeItem(at: fileURL)
-          completion(true, nil)
-        } else {
-          completion(false, error?.localizedDescription ?? "保存到相册失败")
-        }
-      }
-    }
-
-    if #available(iOS 14, *) {
-      let status = PHPhotoLibrary.authorizationStatus(for: .addOnly)
-      switch status {
-      case .authorized, .limited:
-        performSave()
-      case .notDetermined:
-        PHPhotoLibrary.requestAuthorization(for: .addOnly) { newStatus in
-          if newStatus == .authorized || newStatus == .limited {
-            performSave()
-          } else {
-            completion(false, "未授予相册权限")
-          }
-        }
-      default:
-        completion(false, "未授予相册权限")
-      }
-    } else {
-      let status = PHPhotoLibrary.authorizationStatus()
-      switch status {
-      case .authorized:
-        performSave()
-      case .notDetermined:
-        PHPhotoLibrary.requestAuthorization { newStatus in
-          if newStatus == .authorized {
-            performSave()
-          } else {
-            completion(false, "未授予相册权限")
-          }
-        }
-      default:
-        completion(false, "未授予相册权限")
-      }
-    }
-  }
-
   private func configureSession(withAudio: Bool) throws {
     if configured {
       try configureAudioInput(enabled: withAudio)
       return
     }
 
-    guard
-      let videoDevice = AVCaptureDevice.default(
-        .builtInWideAngleCamera, for: .video, position: .back)
-        ?? AVCaptureDevice.default(for: .video)
-    else {
+    guard let videoDevice = Self.preferredVideoDevice() else {
       throw NSError(
         domain: "RecordingCamera", code: 1,
         userInfo: [NSLocalizedDescriptionKey: "No camera device available"])
@@ -449,9 +459,74 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
     session.commitConfiguration()
 
     configured = true
+    // 默认以主摄(显示 1.0x)开场：虚拟多摄设备里主摄对应的 zoomFactor 是 S。
+    currentZoomRatio = mainBaselineFactor(for: videoDevice)
+    try applyCurrentZoom()
     try configureAudioInput(enabled: withAudio)
   }
 
+  /// 优先选用包含超广角的虚拟多摄设备，使 minAvailableVideoZoomFactor 能低于主摄(从而支持 0.6x)。
+  private static func preferredVideoDevice() -> AVCaptureDevice? {
+    let preferredTypes: [AVCaptureDevice.DeviceType] = [
+      .builtInTripleCamera,
+      .builtInDualWideCamera,
+      .builtInWideAngleCamera,
+    ]
+    for type in preferredTypes {
+      if let device = AVCaptureDevice.default(type, for: .video, position: .back) {
+        return device
+      }
+    }
+    return AVCaptureDevice.default(for: .video)
+  }
+
+  /// 虚拟多摄设备中「主摄(显示 1.0x)」对应的设备 zoomFactor 基准 S。
+  /// 取 ultra-wide → wide 的切换点；非虚拟设备无切换点时返回 1.0(向后兼容)。
+  private func mainBaselineFactor(for device: AVCaptureDevice) -> CGFloat {
+    if let first = device.virtualDeviceSwitchOverVideoZoomFactors.first {
+      let value = CGFloat(truncating: first)
+      if value > 0 {
+        return value
+      }
+    }
+    return 1.0
+  }
+
+  private func currentZoomCapabilitiesMap() -> [String: Any] {
+    guard let device = videoInput?.device else {
+      return [
+        "zoomRatio": Double(currentZoomRatio),
+        "minZoomRatio": 1.0,
+        "maxZoomRatio": 3.0,
+      ]
+    }
+
+    // 设备 zoomFactor 以 S 为基准换算成 App 使用的「显示倍率」(1.0x = 主摄)。
+    let baseline = mainBaselineFactor(for: device)
+    let minZoom = device.minAvailableVideoZoomFactor
+    let maxZoom = device.maxAvailableVideoZoomFactor
+    let zoom = clampedZoomRatio(device.videoZoomFactor, for: device)
+    currentZoomRatio = zoom
+    return [
+      "zoomRatio": Double(zoom / baseline),
+      "minZoomRatio": Double(minZoom / baseline),
+      "maxZoomRatio": Double(maxZoom / baseline),
+    ]
+  }
+
+  private func applyCurrentZoom() throws {
+    guard let device = videoInput?.device else { return }
+    let nextZoom = clampedZoomRatio(currentZoomRatio, for: device)
+    try device.lockForConfiguration()
+    device.videoZoomFactor = nextZoom
+    device.unlockForConfiguration()
+    currentZoomRatio = nextZoom
+  }
+
+  private func clampedZoomRatio(_ ratio: CGFloat, for device: AVCaptureDevice) -> CGFloat {
+    min(max(ratio, device.minAvailableVideoZoomFactor), device.maxAvailableVideoZoomFactor)
+  }
+
   private func configureAudioInput(enabled: Bool) throws {
     session.beginConfiguration()
     defer { session.commitConfiguration() }
@@ -486,7 +561,30 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
     try FileManager.default.createDirectory(at: recordingsURL, withIntermediateDirectories: true)
 
     let fileName = Self.resolveFileName(displayName: displayName)
-    return recordingsURL.appendingPathComponent(fileName)
+    return uniqueOutputURL(in: recordingsURL, preferredFileName: fileName)
+  }
+
+  private func uniqueOutputURL(in directoryURL: URL, preferredFileName: String) -> URL {
+    let preferredURL = directoryURL.appendingPathComponent(preferredFileName)
+    guard !FileManager.default.fileExists(atPath: preferredURL.path) else {
+      let fileExtension = preferredURL.pathExtension
+      let baseName = preferredURL.deletingPathExtension().lastPathComponent
+      let timestamp = Self.fileNameDateFormatter.string(from: Date())
+
+      var index = 0
+      while true {
+        let suffix = index == 0 ? timestamp : "\(timestamp)_\(index)"
+        let nextName = fileExtension.isEmpty
+          ? "\(baseName)_\(suffix)"
+          : "\(baseName)_\(suffix).\(fileExtension)"
+        let nextURL = directoryURL.appendingPathComponent(nextName)
+        if !FileManager.default.fileExists(atPath: nextURL.path) {
+          return nextURL
+        }
+        index += 1
+      }
+    }
+    return preferredURL
   }
 
   private static func resolveFileName(displayName: String?) -> String {
@@ -504,6 +602,13 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
     return "REC_\(formatter.string(from: Date())).mov"
   }
 
+  private static let fileNameDateFormatter: DateFormatter = {
+    let formatter = DateFormatter()
+    formatter.locale = Locale(identifier: "en_US_POSIX")
+    formatter.dateFormat = "yyyyMMdd_HHmmss"
+    return formatter
+  }()
+
   private func updateStatus(_ next: RecordingStatus) {
     status = next
   }
@@ -528,7 +633,7 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
 }
 
 private enum RecordingChannelNames {
-  static let packageName = "com.qxy.dronex"
+  static let packageName = "com.dronex.rec"
   static let method = "\(packageName)/recording"
   static let events = "\(packageName)/recording_events"
 }
@@ -571,6 +676,12 @@ final class RecordingPlugin: NSObject, FlutterPlugin, FlutterStreamHandler {
       controller.startRecording(withAudio: withAudio, displayName: displayName, result: result)
     case "stopRecording":
       controller.stopRecording(result: result)
+    case "getZoomCapabilities":
+      controller.zoomCapabilities(result: result)
+    case "setZoomRatio":
+      let args = call.arguments as? [String: Any]
+      let ratio = args?["zoomRatio"] as? Double ?? 1.0
+      controller.setZoomRatio(CGFloat(ratio), result: result)
     case "disposePreview":
       controller.disposePreview(result: result)
     case "getStatus":

lib/app/config/app_config.dart

@@ -37,12 +37,12 @@ class AppConfig {
       ),
       AppEnvironment.staging => const EnvironmentValues(
         environment: AppEnvironment.staging,
-        baseUrl: 'https://staging.example.com/api',
+        baseUrl: 'https://example.com/api',
         enableNetworkLog: true,
       ),
       AppEnvironment.prod => const EnvironmentValues(
         environment: AppEnvironment.prod,
-        baseUrl: 'https://api.example.com',
+        baseUrl: 'https://example.com/api',
         enableNetworkLog: false,
       ),
     };

lib/core/platform/app_platform_info.dart

@@ -60,7 +60,7 @@ class AppPlatformInfo {
   AppPlatformInfo._();
 
   static const MethodChannel _channel = MethodChannel(
-    'com.qxy.dronex/platform_info',
+    'com.dronex.rec/platform_info',
   );
 
   static Future<AppPackageInfo> packageInfo() async {

lib/features/dialog/dialog-record.dart

@@ -8,6 +8,8 @@ import 'package:recording_tool/gen/assets.gen.dart';
 class RecordDialog extends StatelessWidget {
   const RecordDialog({super.key, required this.title, required this.actions});
 
+  static const _transitionDuration = Duration(milliseconds: 280);
+
   final String title;
   final List<RecordDialogAction> actions;
 
@@ -18,8 +20,8 @@ class RecordDialog extends StatelessWidget {
     VoidCallback? onPressed,
     bool barrierDismissible = true,
   }) {
-    return showDialog<void>(
-      context: context,
+    return _present(
+      context,
       barrierDismissible: barrierDismissible,
       builder: (dialogContext) {
         return RecordDialog(
@@ -47,8 +49,8 @@ class RecordDialog extends StatelessWidget {
     VoidCallback? onRightPressed,
     bool barrierDismissible = false,
   }) {
-    return showDialog<void>(
-      context: context,
+    return _present(
+      context,
       barrierDismissible: barrierDismissible,
       builder: (dialogContext) {
         return RecordDialog(
@@ -74,6 +76,51 @@ class RecordDialog extends StatelessWidget {
     );
   }
 
+  static Future<void> _present(
+    BuildContext context, {
+    required Widget Function(BuildContext dialogContext) builder,
+    required bool barrierDismissible,
+  }) {
+    return showGeneralDialog<void>(
+      context: context,
+      barrierDismissible: barrierDismissible,
+      barrierLabel: MaterialLocalizations.of(context).modalBarrierDismissLabel,
+      barrierColor: Colors.black54,
+      transitionDuration: _transitionDuration,
+      pageBuilder: (dialogContext, animation, secondaryAnimation) {
+        return builder(dialogContext);
+      },
+      transitionBuilder: _buildTransition,
+    );
+  }
+
+  static Widget _buildTransition(
+    BuildContext context,
+    Animation<double> animation,
+    Animation<double> secondaryAnimation,
+    Widget child,
+  ) {
+    final curved = CurvedAnimation(
+      parent: animation,
+      curve: Curves.easeOutCubic,
+      reverseCurve: Curves.easeInCubic,
+    );
+
+    return FadeTransition(
+      opacity: curved,
+      child: SlideTransition(
+        position: Tween<Offset>(
+          begin: const Offset(0, 0.08),
+          end: Offset.zero,
+        ).animate(curved),
+        child: ScaleTransition(
+          scale: Tween<double>(begin: 0.92, end: 1).animate(curved),
+          child: child,
+        ),
+      ),
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     final actionWidgets = actions

lib/features/recording/model/model_recording_session.dart

@@ -11,11 +11,14 @@ class RecordingSessionState {
     this.isBatteryOptimizedIgnored = true,
     this.notificationsGranted = true,
     this.isMicrophoneGranted = false,
+    this.zoomRatio = 1.0,
+    this.minZoomRatio = 1.0,
+    this.maxZoomRatio = 3.0,
     this.lastOutputPath,
     this.lastSavedDisplayName,
     this.errorMessage,
     this.permissionWarning,
-    this.gallerySaveFailed = false,
+    this.fileSaveFailed = false,
   });
 
   final RecordingStatus status;
@@ -26,11 +29,14 @@ class RecordingSessionState {
   final bool isBatteryOptimizedIgnored;
   final bool notificationsGranted;
   final bool isMicrophoneGranted;
+  final double zoomRatio;
+  final double minZoomRatio;
+  final double maxZoomRatio;
   final String? lastOutputPath;
   final String? lastSavedDisplayName;
   final String? errorMessage;
   final String? permissionWarning;
-  final bool gallerySaveFailed;
+  final bool fileSaveFailed;
 
   bool get isRecording => status.isRecording;
 
@@ -51,11 +57,14 @@ class RecordingSessionState {
     bool? isBatteryOptimizedIgnored,
     bool? notificationsGranted,
     bool? isMicrophoneGranted,
+    double? zoomRatio,
+    double? minZoomRatio,
+    double? maxZoomRatio,
     String? lastOutputPath,
     String? lastSavedDisplayName,
     String? errorMessage,
     String? permissionWarning,
-    bool? gallerySaveFailed,
+    bool? fileSaveFailed,
     bool clearPermissionWarning = false,
     bool clearLastSaved = false,
   }) {
@@ -69,6 +78,9 @@ class RecordingSessionState {
           isBatteryOptimizedIgnored ?? this.isBatteryOptimizedIgnored,
       notificationsGranted: notificationsGranted ?? this.notificationsGranted,
       isMicrophoneGranted: isMicrophoneGranted ?? this.isMicrophoneGranted,
+      zoomRatio: zoomRatio ?? this.zoomRatio,
+      minZoomRatio: minZoomRatio ?? this.minZoomRatio,
+      maxZoomRatio: maxZoomRatio ?? this.maxZoomRatio,
       lastOutputPath: lastOutputPath ?? this.lastOutputPath,
       lastSavedDisplayName: clearLastSaved
           ? null
@@ -77,7 +89,7 @@ class RecordingSessionState {
       permissionWarning: clearPermissionWarning
           ? null
           : (permissionWarning ?? this.permissionWarning),
-      gallerySaveFailed: gallerySaveFailed ?? this.gallerySaveFailed,
+      fileSaveFailed: fileSaveFailed ?? this.fileSaveFailed,
     );
   }
 }

lib/features/recording/pages/page_record.dart

@@ -98,7 +98,7 @@ class _RecordingPageState extends ConsumerState<RecordingPage> {
     return '录制完成';
   }
 
-  /// 从剪贴板粘贴赛事信息（与 header「粘贴赛事信息」一致）。
+  /// 从剪贴板粘贴赛事信息（与 header「粘贴选手信息」一致）。
   Future<void> _pasteEventInfo() async {
     final result = await ref
         .read(recordingViewModelProvider.notifier)
@@ -167,6 +167,18 @@ class _RecordingPageState extends ConsumerState<RecordingPage> {
     await ref.read(recordingViewModelProvider.notifier).startRecording();
   }
 
+  /// 停止录制并按结果显示保存提示。
+  Future<void> _stopRecordingAndShowResult() async {
+    await ref.read(recordingViewModelProvider.notifier).stopRecording();
+    if (!mounted) return;
+    final latest = ref.read(recordingViewModelProvider).session;
+    if (latest.fileSaveFailed) {
+      AppToast.show(latest.errorMessage ?? '保存到文件夹失败，请检查文件保存权限');
+      return;
+    }
+    await _showRecordingSavedDialogIfNeeded();
+  }
+
   /// 清空剪贴板信息，准备新一轮录制
   void _clearClipboardForNewRound() {
     final notifier = ref.read(recordingViewModelProvider.notifier);
@@ -178,7 +190,7 @@ class _RecordingPageState extends ConsumerState<RecordingPage> {
   Future<void> _showRecordingSavedDialogIfNeeded() async {
     final recordingInfo = ref.read(recordingViewModelProvider);
     final session = recordingInfo.session;
-    if (session.lastSavedDisplayName == null || session.gallerySaveFailed) {
+    if (session.lastSavedDisplayName == null || session.fileSaveFailed) {
       return;
     }
 
@@ -227,32 +239,13 @@ class _RecordingPageState extends ConsumerState<RecordingPage> {
   @override
   /// 构建录制页 UI
   Widget build(BuildContext context) {
-    final recordingInfo = ref.watch(recordingViewModelProvider);
-    final state = recordingInfo.session;
-    final viewModel = ref.read(recordingViewModelProvider.notifier);
-    final clipboard = recordingInfo.clipboardRecordingModel;
-    final showClipboardInfo = recordingInfo.hasValidClipboardInfo;
-
-    return PopScope(
-      canPop: !state.isRecording,
-      onPopInvokedWithResult: (didPop, result) async {
-        if (didPop) {
-          await _exitRecordingMode();
-          return;
-        }
-        if (state.isRecording) {
-          AppToast.show('录制中无法返回，请先停止录制');
-        }
-      },
+    return _RecordingPopScope(
+      onExitRecordingMode: _exitRecordingMode,
       child: Scaffold(
         backgroundColor: Colors.black,
         body: Column(
           children: [
-            RecordHeaderWidget(
-              hasValidClipboardInfo: showClipboardInfo,
-              eventTitle: showClipboardInfo ? clipboard.title : null,
-              isRecording: state.isRecording,
-              elapsedLabel: state.elapsedLabel,
+            _RecordHeaderSection(
               onPasteEventInfo: _pasteEventInfo,
               onClearEventInfo: _clearClipboardForNewRound,
             ),
@@ -260,48 +253,16 @@ class _RecordingPageState extends ConsumerState<RecordingPage> {
               child: Stack(
                 children: [
                   const CameraPreviewWidget(),
-                  if (!state.isPreviewReady && state.errorMessage == null)
-                    const RecordingLoadingOverlayWidget(message: '正在启动相机…'),
+                  const _PreviewLoadingLayer(),
                   const RecordTimerWidget(),
-                  RecordingHudWidget(
-                    state: state,
-                    showClipboardHint: showClipboardInfo,
-                    clipboardAddress: clipboard.address.trim(),
+                  _RecordingHudLayer(
                     onStart: _onStartRecording,
-                    onStop: () async {
-                      await viewModel.stopRecording();
-                      if (!context.mounted) return;
-                      final latest = ref
-                          .read(recordingViewModelProvider)
-                          .session;
-                      if (latest.gallerySaveFailed) {
-                        AppToast.show(latest.errorMessage ?? '保存到相册失败，请开启相册权限');
-                        return;
-                      }
-                      await _showRecordingSavedDialogIfNeeded();
-                    },
-                    onOpenDnd: () async {
-                      await viewModel.openDndSettings();
-                      await viewModel.refreshDndAccess();
-                    },
-                    onOpenBattery: () async {
-                      await viewModel.openBatterySettings();
-                      await viewModel.refreshBatteryOptimization();
-                    },
-                    onToggleTouchLock: () {
-                      viewModel.setTouchLocked(!state.isTouchLocked);
-                    },
+                    onStop: _stopRecordingAndShowResult,
                   ),
-                  if (state.isTouchLocked && state.isRecording)
-                    RecordingTouchLockOverlayWidget(
-                      enabled: true,
-                      onUnlocked: () => viewModel.setTouchLocked(false),
-                    ),
-                  if (state.isStartingRecording)
-                    RecordingLoadingOverlayWidget(
-                      message: '正在开始录制…',
-                      backgroundColor: Colors.black.withValues(alpha: 0.24),
-                    ),
+                  _TouchLockOverlayLayer(
+                    onStopRecording: _stopRecordingAndShowResult,
+                  ),
+                  const _StartingRecordingOverlay(),
                 ],
               ),
             ),
@@ -312,3 +273,219 @@ class _RecordingPageState extends ConsumerState<RecordingPage> {
     );
   }
 }
+
+class _RecordingPopScope extends ConsumerWidget {
+  const _RecordingPopScope({
+    required this.onExitRecordingMode,
+    required this.child,
+  });
+
+  final Future<void> Function() onExitRecordingMode;
+  final Widget child;
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final isRecording = ref.watch(
+      recordingViewModelProvider.select((m) => m.session.isRecording),
+    );
+
+    return PopScope(
+      canPop: !isRecording,
+      onPopInvokedWithResult: (didPop, result) async {
+        if (didPop) {
+          await onExitRecordingMode();
+          return;
+        }
+        if (isRecording) {
+          AppToast.show('录制中无法返回，请先停止录制');
+        }
+      },
+      child: child,
+    );
+  }
+}
+
+class _RecordHeaderSection extends ConsumerWidget {
+  const _RecordHeaderSection({
+    required this.onPasteEventInfo,
+    required this.onClearEventInfo,
+  });
+
+  final Future<void> Function() onPasteEventInfo;
+  final VoidCallback onClearEventInfo;
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final headerState = ref.watch(
+      recordingViewModelProvider.select(
+        (m) => (
+          m.hasValidClipboardInfo,
+          m.hasValidClipboardInfo ? m.clipboardRecordingModel.title : null,
+          m.session.isRecording,
+        ),
+      ),
+    );
+    final (hasValidClipboardInfo, eventTitle, isRecording) = headerState;
+
+    return RecordHeaderWidget(
+      hasValidClipboardInfo: hasValidClipboardInfo,
+      eventTitle: eventTitle,
+      isRecording: isRecording,
+      onPasteEventInfo: onPasteEventInfo,
+      onClearEventInfo: onClearEventInfo,
+    );
+  }
+}
+
+class _PreviewLoadingLayer extends ConsumerWidget {
+  const _PreviewLoadingLayer();
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final showLoading = ref.watch(
+      recordingViewModelProvider.select(
+        (m) => !m.session.isPreviewReady && m.session.errorMessage == null,
+      ),
+    );
+
+    if (!showLoading) {
+      return const SizedBox.shrink();
+    }
+
+    return const RecordingLoadingOverlayWidget(message: '正在启动相机…');
+  }
+}
+
+class _RecordingHudLayer extends ConsumerWidget {
+  const _RecordingHudLayer({required this.onStart, required this.onStop});
+
+  final Future<void> Function() onStart;
+  final Future<void> Function() onStop;
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final hudState = ref.watch(
+      recordingViewModelProvider.select(
+        (m) => (
+          m.session.errorMessage,
+          m.session.permissionWarning,
+          m.session.hasDndAccess,
+          m.session.isBatteryOptimizedIgnored,
+          m.session.notificationsGranted,
+          m.session.isRecording,
+          m.session.isStartingRecording,
+          m.session.isTouchLocked,
+          m.session.zoomRatio,
+          m.session.minZoomRatio,
+          m.session.maxZoomRatio,
+          m.hasValidClipboardInfo,
+          m.clipboardRecordingModel.address.trim(),
+        ),
+      ),
+    );
+    final (
+      errorMessage,
+      permissionWarning,
+      hasDndAccess,
+      isBatteryOptimizedIgnored,
+      notificationsGranted,
+      isRecording,
+      isStartingRecording,
+      isTouchLocked,
+      zoomRatio,
+      minZoomRatio,
+      maxZoomRatio,
+      showClipboardHint,
+      clipboardAddress,
+    ) = hudState;
+    final viewModel = ref.read(recordingViewModelProvider.notifier);
+
+    return RecordingHudWidget(
+      errorMessage: errorMessage,
+      permissionWarning: permissionWarning,
+      hasDndAccess: hasDndAccess,
+      isBatteryOptimizedIgnored: isBatteryOptimizedIgnored,
+      notificationsGranted: notificationsGranted,
+      isRecording: isRecording,
+      isStartingRecording: isStartingRecording,
+      isTouchLocked: isTouchLocked,
+      zoomRatio: zoomRatio,
+      minZoomRatio: minZoomRatio,
+      maxZoomRatio: maxZoomRatio,
+      showClipboardHint: showClipboardHint,
+      clipboardAddress: clipboardAddress,
+      onStart: onStart,
+      onStop: onStop,
+      onOpenDnd: () async {
+        await viewModel.openDndSettings();
+        await viewModel.refreshDndAccess();
+      },
+      onOpenBattery: () async {
+        await viewModel.openBatterySettings();
+        await viewModel.refreshBatteryOptimization();
+      },
+      onToggleTouchLock: () {
+        final locked = ref
+            .read(recordingViewModelProvider)
+            .session
+            .isTouchLocked;
+        viewModel.setTouchLocked(!locked);
+      },
+      onZoomSelected: (ratio) async {
+        await viewModel.setZoomRatio(ratio);
+      },
+    );
+  }
+}
+
+class _TouchLockOverlayLayer extends ConsumerWidget {
+  const _TouchLockOverlayLayer({required this.onStopRecording});
+
+  final Future<void> Function() onStopRecording;
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final overlayState = ref.watch(
+      recordingViewModelProvider.select(
+        (m) => (m.session.isTouchLocked, m.session.isRecording),
+      ),
+    );
+    final (isTouchLocked, isRecording) = overlayState;
+
+    if (!isTouchLocked || !isRecording) {
+      return const SizedBox.shrink();
+    }
+
+    final viewModel = ref.read(recordingViewModelProvider.notifier);
+
+    return RecordingTouchLockOverlayWidget(
+      enabled: true,
+      onUnlocked: (intent) async {
+        viewModel.setTouchLocked(false);
+        if (intent == RecordingTouchLockUnlockIntent.stopRecording) {
+          await onStopRecording();
+        }
+      },
+    );
+  }
+}
+
+class _StartingRecordingOverlay extends ConsumerWidget {
+  const _StartingRecordingOverlay();
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final isStartingRecording = ref.watch(
+      recordingViewModelProvider.select((m) => m.session.isStartingRecording),
+    );
+
+    if (!isStartingRecording) {
+      return const SizedBox.shrink();
+    }
+
+    return RecordingLoadingOverlayWidget(
+      message: '正在开始录制…',
+      backgroundColor: Colors.black.withValues(alpha: 0.24),
+    );
+  }
+}

lib/features/recording/platform/recording_channel_names.dart

@@ -1,5 +1,5 @@
 abstract final class RecordingChannelNames {
-  static const packageName = 'com.qxy.dronex';
+  static const packageName = 'com.dronex.rec';
   static const method = '$packageName/recording';
   static const events = '$packageName/recording_events';
 }

lib/features/recording/platform/recording_platform.dart

@@ -81,6 +81,21 @@ class RecordingPlatform {
     return RecordingStatus.fromMap(result ?? const {});
   }
 
+  static Future<RecordingZoomCapabilities> getZoomCapabilities() async {
+    final result = await _channel.invokeMapMethod<String, dynamic>(
+      'getZoomCapabilities',
+    );
+    return RecordingZoomCapabilities.fromMap(result);
+  }
+
+  static Future<RecordingZoomCapabilities> setZoomRatio(double ratio) async {
+    final result = await _channel.invokeMapMethod<String, dynamic>(
+      'setZoomRatio',
+      <String, dynamic>{'zoomRatio': ratio},
+    );
+    return RecordingZoomCapabilities.fromMap(result);
+  }
+
   static Future<RecordingStartResult> startRecording({
     bool withAudio = true,
     bool enableDoNotDisturb = true,
@@ -156,6 +171,29 @@ class RecordingPlatform {
   }
 }
 
+class RecordingZoomCapabilities {
+  const RecordingZoomCapabilities({
+    required this.zoomRatio,
+    required this.minZoomRatio,
+    required this.maxZoomRatio,
+  });
+
+  final double zoomRatio;
+  final double minZoomRatio;
+  final double maxZoomRatio;
+
+  factory RecordingZoomCapabilities.fromMap(Map<String, dynamic>? map) {
+    final minZoomRatio = (map?['minZoomRatio'] as num?)?.toDouble() ?? 1.0;
+    final maxZoomRatio = (map?['maxZoomRatio'] as num?)?.toDouble() ?? 3.0;
+    final zoomRatio = (map?['zoomRatio'] as num?)?.toDouble() ?? minZoomRatio;
+    return RecordingZoomCapabilities(
+      zoomRatio: zoomRatio.clamp(minZoomRatio, maxZoomRatio).toDouble(),
+      minZoomRatio: minZoomRatio,
+      maxZoomRatio: maxZoomRatio,
+    );
+  }
+}
+
 class RecordingStartResult {
   const RecordingStartResult({this.outputPath, required this.status});
 
@@ -167,14 +205,14 @@ class RecordingStopResult {
   const RecordingStopResult({
     this.outputPath,
     required this.status,
-    this.gallerySaved = true,
-    this.galleryErrorMessage,
+    this.fileSaved = true,
+    this.fileErrorMessage,
   });
 
   final String? outputPath;
   final RecordingStatus status;
-  final bool gallerySaved;
-  final String? galleryErrorMessage;
+  final bool fileSaved;
+  final String? fileErrorMessage;
 
   factory RecordingStopResult.fromMap(Map<String, dynamic>? result) {
     return RecordingStopResult(
@@ -182,8 +220,8 @@ class RecordingStopResult {
       status: RecordingStatus.fromMap(
         Map<dynamic, dynamic>.from(result?['status'] as Map? ?? const {}),
       ),
-      gallerySaved: result?['gallerySaved'] as bool? ?? true,
-      galleryErrorMessage: result?['galleryErrorMessage'] as String?,
+      fileSaved: result?['fileSaved'] as bool? ?? true,
+      fileErrorMessage: result?['fileErrorMessage'] as String?,
     );
   }
 }

lib/features/recording/view-model/view_model_recording.dart

@@ -7,6 +7,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:permission_handler/permission_handler.dart';
 import 'package:recording_tool/core/logging/app_logger.dart';
 import 'package:recording_tool/core/permission/permission_service.dart';
+import 'package:recording_tool/core/platform/app_platform_info.dart';
 import 'package:recording_tool/features/recording/model/model_clipboard.dart';
 import 'package:recording_tool/features/recording/model/model_recording.dart';
 import 'package:recording_tool/features/recording/model/model_recording_session.dart';
@@ -31,6 +32,23 @@ enum ClipboardReadResult {
   invalid,
 }
 
+List<Permission> recordingFileSavePermissionsForHost({
+  required bool isIOS,
+  required bool isAndroid,
+  int? androidSdkInt,
+}) {
+  if (isIOS) {
+    return const [];
+  }
+  if (isAndroid) {
+    if (androidSdkInt != null && androidSdkInt >= 29) {
+      return const [];
+    }
+    return [Permission.storage];
+  }
+  return const [];
+}
+
 /// 开始录制所需的相机/麦克风权限检测结果。
 class RecordingRequiredPermissions {
   const RecordingRequiredPermissions({
@@ -131,11 +149,12 @@ class RecordingViewModel extends Notifier<RecordingModel> {
       return;
     }
 
+    final fileSavePermissions = await _fileSavePermissions();
     final permissions = await PermissionService.requestMissing([
       Permission.camera,
       Permission.microphone,
       if (Platform.isAndroid) Permission.notification,
-      ..._galleryPermissions(),
+      ...fileSavePermissions,
     ]);
 
     final cameraGranted = permissions[Permission.camera]?.isGranted ?? false;
@@ -157,8 +176,8 @@ class RecordingViewModel extends Notifier<RecordingModel> {
     if (!microphoneGranted) {
       warnings.add('未授予麦克风权限，当前将以静音模式录制');
     }
-    if (!_isGalleryPermissionGranted(permissions)) {
-      warnings.add('未授予相册权限，录制结束后可能无法保存到相册');
+    if (!_isFileSavePermissionGranted(permissions, fileSavePermissions)) {
+      warnings.add('未授予文件保存权限，录制结束后可能无法保存到文件夹');
     }
 
     final hasDnd = await RecordingPlatform.hasNotificationPolicyAccess();
@@ -180,6 +199,7 @@ class RecordingViewModel extends Notifier<RecordingModel> {
     await _listenStatus();
     try {
       final status = await _initializePreviewWithRetry();
+      await _refreshZoomCapabilities();
       _updateSession(
         (s) => s.copyWith(
           status: status,
@@ -221,9 +241,12 @@ class RecordingViewModel extends Notifier<RecordingModel> {
   Future<void> restorePreview() async {
     if (!RecordingPlatform.isSupported) return;
 
-    _updateSession((s) => s.copyWith(isPreviewReady: false, errorMessage: null));
+    _updateSession(
+      (s) => s.copyWith(isPreviewReady: false, errorMessage: null),
+    );
     try {
       final status = await _initializePreviewWithRetry();
+      await _refreshZoomCapabilities();
       _updateSession(
         (s) => s.copyWith(
           status: status,
@@ -243,31 +266,41 @@ class RecordingViewModel extends Notifier<RecordingModel> {
     }
   }
 
-  /// 当前平台所需的相册/视频保存权限列表。
-  List<Permission> _galleryPermissions() {
-    if (Platform.isIOS) {
-      return [Permission.photosAddOnly, Permission.photos];
-    }
+  /// 当前平台所需的视频文件保存权限列表。
+  Future<List<Permission>> _fileSavePermissions() async {
+    int? androidSdkInt;
     if (Platform.isAndroid) {
-      return [Permission.videos, Permission.storage];
+      try {
+        androidSdkInt = int.tryParse(
+          (await AppPlatformInfo.deviceInfo()).values['sdkInt'] ?? '',
+        );
+      } on PlatformException {
+        androidSdkInt = null;
+      }
     }
-    return const [];
+    return recordingFileSavePermissionsForHost(
+      isIOS: Platform.isIOS,
+      isAndroid: Platform.isAndroid,
+      androidSdkInt: androidSdkInt,
+    );
   }
 
-  /// 判断相册相关权限是否至少有一项已授予。
-  bool _isGalleryPermissionGranted(
+  /// 判断文件保存相关权限是否至少有一项已授予。
+  bool _isFileSavePermissionGranted(
     Map<Permission, PermissionStatus> permissions,
+    List<Permission> fileSavePermissions,
   ) {
-    for (final permission in _galleryPermissions()) {
+    for (final permission in fileSavePermissions) {
       if (permissions[permission]?.isGranted ?? false) {
         return true;
       }
     }
-    return _galleryPermissions().isEmpty;
+    return fileSavePermissions.isEmpty;
   }
 
   /// 检测并尝试申请相机、麦克风权限，同步更新 session 中的 isMicrophoneGranted。
-  Future<RecordingRequiredPermissions> ensureCameraAndMicrophonePermissions() async {
+  Future<RecordingRequiredPermissions>
+  ensureCameraAndMicrophonePermissions() async {
     final permissions = await PermissionService.requestMissing([
       Permission.camera,
       Permission.microphone,
@@ -296,6 +329,47 @@ class RecordingViewModel extends Notifier<RecordingModel> {
     return status?.isGranted == true || status?.isLimited == true;
   }
 
+  /// 读取相机支持的倍距范围并同步当前倍距。
+  Future<void> _refreshZoomCapabilities() async {
+    try {
+      final zoom = await RecordingPlatform.getZoomCapabilities();
+      _updateSession(
+        (s) => s.copyWith(
+          zoomRatio: zoom.zoomRatio,
+          minZoomRatio: zoom.minZoomRatio,
+          maxZoomRatio: zoom.maxZoomRatio,
+          errorMessage: null,
+        ),
+      );
+    } on PlatformException catch (error) {
+      AppLogger.debug('读取相机倍距能力失败', error: error);
+    }
+  }
+
+  /// 设置相机倍距，原生层会返回设备实际应用后的倍距范围与当前值。
+  Future<void> setZoomRatio(double ratio) async {
+    final session = state.session;
+    final clamped = ratio
+        .clamp(session.minZoomRatio, session.maxZoomRatio)
+        .toDouble();
+
+    try {
+      final zoom = await RecordingPlatform.setZoomRatio(clamped);
+      _updateSession(
+        (s) => s.copyWith(
+          zoomRatio: zoom.zoomRatio,
+          minZoomRatio: zoom.minZoomRatio,
+          maxZoomRatio: zoom.maxZoomRatio,
+          errorMessage: null,
+        ),
+      );
+    } on PlatformException catch (error) {
+      _updateSession(
+        (s) => s.copyWith(errorMessage: error.message ?? '相机倍距设置失败'),
+      );
+    }
+  }
+
   /// 开始录制，可选开启勿扰模式。
   Future<void> startRecording({bool enableDoNotDisturb = true}) async {
     final session = state.session;
@@ -303,9 +377,7 @@ class RecordingViewModel extends Notifier<RecordingModel> {
       return;
     }
     if (!session.isPreviewReady) {
-      _updateSession(
-        (s) => s.copyWith(errorMessage: '相机预览未就绪，请稍后重试'),
-      );
+      _updateSession((s) => s.copyWith(errorMessage: '相机预览未就绪，请稍后重试'));
       return;
     }
 
@@ -327,7 +399,7 @@ class RecordingViewModel extends Notifier<RecordingModel> {
           lastOutputPath: result.outputPath,
           isTouchLocked: true,
           errorMessage: null,
-          gallerySaveFailed: false,
+          fileSaveFailed: false,
           clearLastSaved: true,
         ),
       );
@@ -340,13 +412,13 @@ class RecordingViewModel extends Notifier<RecordingModel> {
     }
   }
 
-  /// 停止录制、保存到相册，并恢复相机预览。
+  /// 停止录制、保存到文件夹，并恢复相机预览。
   Future<void> stopRecording() async {
     if (!state.session.isRecording) return;
 
     try {
       final result = await RecordingPlatform.stopRecording();
-      final galleryFailed = !result.gallerySaved;
+      final fileFailed = !result.fileSaved;
       final savedName = recordingFileNameForPlatform(
         state.clipboardRecordingModel.filename,
       );
@@ -354,11 +426,11 @@ class RecordingViewModel extends Notifier<RecordingModel> {
         (s) => s.copyWith(
           status: result.status,
           lastOutputPath: result.outputPath ?? s.lastOutputPath,
-          lastSavedDisplayName: galleryFailed ? null : savedName,
-          errorMessage: galleryFailed
-              ? (result.galleryErrorMessage ?? '保存到相册失败，请开启相册权限')
+          lastSavedDisplayName: fileFailed ? null : savedName,
+          errorMessage: fileFailed
+              ? (result.fileErrorMessage ?? '保存到文件夹失败，请检查文件保存权限')
               : null,
-          gallerySaveFailed: galleryFailed,
+          fileSaveFailed: fileFailed,
         ),
       );
     } on PlatformException catch (error) {

lib/features/recording/widgets/record_content_transition.dart

@@ -0,0 +1,49 @@
+import 'package:flutter/material.dart';
+
+/// 录制页内容切换时的统一过渡动画。
+class RecordContentTransition {
+  RecordContentTransition._();
+
+  static const duration = Duration(milliseconds: 600);
+
+  static Widget builder(Widget child, Animation<double> animation) {
+    final curved = CurvedAnimation(
+      parent: animation,
+      curve: Curves.easeOutCubic,
+      reverseCurve: Curves.easeInCubic,
+    );
+
+    return FadeTransition(
+      opacity: curved,
+      child: SlideTransition(
+        position: Tween<Offset>(
+          begin: const Offset(0, 0.12),
+          end: Offset.zero,
+        ).animate(curved),
+        child: child,
+      ),
+    );
+  }
+
+  static Widget stackLayoutBuilder(
+    Widget? currentChild,
+    List<Widget> previousChildren,
+  ) {
+    return Stack(
+      alignment: Alignment.center,
+      clipBehavior: Clip.none,
+      children: [...previousChildren, ?currentChild],
+    );
+  }
+
+  static Widget bottomStackLayoutBuilder(
+    Widget? currentChild,
+    List<Widget> previousChildren,
+  ) {
+    return Stack(
+      alignment: Alignment.bottomLeft,
+      clipBehavior: Clip.none,
+      children: [...previousChildren, ?currentChild],
+    );
+  }
+}

lib/features/recording/widgets/widget_clipboard_address_clock_chip.dart

@@ -3,6 +3,7 @@ import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:recording_tool/core/utils/date_time_formatter.dart';
+import 'package:recording_tool/features/recording/widgets/record_content_transition.dart';
 
 /// 左下角实时时钟与剪贴板地址
 class ClipboardAddressClockChipWidget extends StatefulWidget {
@@ -48,14 +49,32 @@ class _ClipboardAddressClockChipWidgetState
 
   @override
   Widget build(BuildContext context) {
-    return Column(
-      crossAxisAlignment: CrossAxisAlignment.start,
-      mainAxisSize: MainAxisSize.min,
-      children: [
-        Text(_nowText, style: _textStyle),
-        if (widget.address.isNotEmpty)
-          Text(widget.address, style: _textStyle),
-      ],
+    return AnimatedSize(
+      duration: RecordContentTransition.duration,
+      curve: Curves.easeOutCubic,
+      alignment: Alignment.topLeft,
+      clipBehavior: Clip.none,
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Text(_nowText, style: _textStyle),
+          AnimatedSwitcher(
+            duration: RecordContentTransition.duration,
+            switchInCurve: Curves.easeOutCubic,
+            switchOutCurve: Curves.easeInCubic,
+            layoutBuilder: RecordContentTransition.bottomStackLayoutBuilder,
+            transitionBuilder: RecordContentTransition.builder,
+            child: widget.address.isNotEmpty
+                ? Text(
+                    widget.address,
+                    key: ValueKey(widget.address),
+                    style: _textStyle,
+                  )
+                : const SizedBox.shrink(key: ValueKey('clipboard-address-empty')),
+          ),
+        ],
+      ),
     );
   }
 }

lib/features/recording/widgets/widget_record_header.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:recording_tool/features/recording/widgets/record_content_transition.dart';
 import 'package:recording_tool/gen/assets.gen.dart';
 import 'package:recording_tool/shared/widgets/app_toast.dart';
 
@@ -11,7 +12,6 @@ class RecordHeaderWidget extends StatelessWidget {
     required this.hasValidClipboardInfo,
     this.eventTitle,
     required this.isRecording,
-    required this.elapsedLabel,
     required this.onPasteEventInfo,
     required this.onClearEventInfo,
   });
@@ -19,7 +19,6 @@ class RecordHeaderWidget extends StatelessWidget {
   final bool hasValidClipboardInfo;
   final String? eventTitle;
   final bool isRecording;
-  final String elapsedLabel;
   final Future<void> Function() onPasteEventInfo;
   final VoidCallback onClearEventInfo;
 
@@ -27,9 +26,22 @@ class RecordHeaderWidget extends StatelessWidget {
 
   bool get _showEventTitle => hasValidClipboardInfo;
 
+  Widget _buildAnimatedHeaderContent() {
+    if (_showEventTitle) {
+      return _HeaderEventTitleRow(
+        key: ValueKey('title-${eventTitle ?? ''}'),
+        title: eventTitle ?? '',
+        isRecording: isRecording,
+        onClearEventInfo: onClearEventInfo,
+      );
+    }
+
+    return const SizedBox.shrink(key: ValueKey('header-empty'));
+  }
+
   void _mockCopyEventInfo() {
     const strTemp =
-        '{"title":"郑昌梦 丨黄伟依 空中格斗赛 小学组","address":"广东省汕头市番禺区青蓝街 111 号","filename":"郑昌梦_黄伟依_6月3日测试-1_空中格斗赛"}';
+        '{"title":"蔡依婷vs夏志豪 空中格斗赛 初中组","address":"黑龙江省鹤岗市11111","filename":"蔡依婷_夏志豪_测试循环赛-7_空中格斗赛"}';
     Clipboard.setData(const ClipboardData(text: strTemp));
     AppToast.show('模拟复制赛事信息成功');
   }
@@ -47,23 +59,32 @@ class RecordHeaderWidget extends StatelessWidget {
             children: [
               Image.asset(
                 Assets.images.imageLogo.path,
-                width: 84.r,
+                width: 24.r,
                 height: 24.r,
                 fit: BoxFit.contain,
               ),
               Expanded(
-                child: _showEventTitle
-                    ? _HeaderEventTitleRow(
-                        title: eventTitle ?? '',
-                        isRecording: isRecording,
-                        onClearEventInfo: onClearEventInfo,
-                      )
-                    : _showPasteButtons
-                    ? _HeaderPasteActions(
-                        onMockCopy: _mockCopyEventInfo,
-                        onPasteEventInfo: onPasteEventInfo,
-                      )
-                    : const SizedBox.shrink(),
+                child: Stack(
+                  alignment: Alignment.center,
+                  children: [
+                    AnimatedSwitcher(
+                      duration: RecordContentTransition.duration,
+                      switchInCurve: Curves.easeOutCubic,
+                      switchOutCurve: Curves.easeInCubic,
+                      layoutBuilder: RecordContentTransition.stackLayoutBuilder,
+                      transitionBuilder: RecordContentTransition.builder,
+                      child: _buildAnimatedHeaderContent(),
+                    ),
+                    if (_showPasteButtons)
+                      Align(
+                        alignment: Alignment.centerRight,
+                        child: _HeaderPasteActions(
+                          onMockCopy: _mockCopyEventInfo,
+                          onPasteEventInfo: onPasteEventInfo,
+                        ),
+                      ),
+                  ],
+                ),
               ),
             ],
           ),
@@ -75,6 +96,7 @@ class RecordHeaderWidget extends StatelessWidget {
 
 class _HeaderEventTitleRow extends StatelessWidget {
   const _HeaderEventTitleRow({
+    super.key,
     required this.title,
     required this.isRecording,
     required this.onClearEventInfo,
@@ -92,28 +114,43 @@ class _HeaderEventTitleRow extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Row(
-      mainAxisAlignment: MainAxisAlignment.end,
+      mainAxisAlignment: MainAxisAlignment.center,
       children: [
         Expanded(
-          child: Text(
-            title,
-            style: _overlayTextStyle.copyWith(
-              fontSize: 12.sp,
-              fontWeight: FontWeight.w600,
+          child: AnimatedSwitcher(
+            duration: RecordContentTransition.duration,
+            switchInCurve: Curves.easeOutCubic,
+            switchOutCurve: Curves.easeInCubic,
+            transitionBuilder: RecordContentTransition.builder,
+            child: Text(
+              title,
+              key: ValueKey(title),
+              style: _overlayTextStyle.copyWith(
+                fontSize: 12.sp,
+                fontWeight: FontWeight.w600,
+              ),
+              textAlign: TextAlign.center,
+              maxLines: 3,
+              overflow: TextOverflow.ellipsis,
             ),
-            textAlign: TextAlign.right,
-            maxLines: 3,
-            overflow: TextOverflow.ellipsis,
           ),
         ),
-        if (!isRecording)
-          IconButton(
-            onPressed: onClearEventInfo,
-            icon: Icon(Icons.delete_outline, color: Colors.white, size: 22.r),
-            padding: EdgeInsets.zero,
-            constraints: BoxConstraints(minWidth: 40.r, minHeight: 40.r),
-            tooltip: '删除',
-          ),
+        !isRecording
+            ? IconButton(
+                key: const ValueKey('clear-event-info'),
+                onPressed: onClearEventInfo,
+                icon: Assets.images.imageDelete.image(
+                  width: 15.r,
+                  height: 15.r,
+                  fit: BoxFit.contain,
+                  excludeFromSemantics: true,
+                ),
+                padding: EdgeInsets.zero,
+                constraints: BoxConstraints(minWidth: 40.r, minHeight: 40.r),
+                alignment: Alignment.centerRight,
+                tooltip: '删除',
+              )
+            : const SizedBox.shrink(key: ValueKey('clear-event-info-hidden')),
       ],
     );
   }
@@ -137,6 +174,12 @@ class _HeaderPasteActions extends StatelessWidget {
         _HeaderActionButton(
           label: '粘贴选手信息',
           onPressed: () => onPasteEventInfo(),
+          icon: Assets.images.imageCopy.image(
+            width: 10.r,
+            height: 10.r,
+            fit: BoxFit.contain,
+            excludeFromSemantics: true,
+          ),
         ),
       ],
     );
@@ -144,23 +187,32 @@ class _HeaderPasteActions extends StatelessWidget {
 }
 
 class _HeaderActionButton extends StatelessWidget {
-  const _HeaderActionButton({required this.label, required this.onPressed});
+  const _HeaderActionButton({
+    required this.label,
+    required this.onPressed,
+    this.icon,
+  });
 
   final String label;
   final VoidCallback onPressed;
+  final Widget? icon;
 
   @override
   Widget build(BuildContext context) {
     return TextButton.icon(
       onPressed: onPressed,
-      icon: Icon(Icons.content_paste, size: 18.r),
+      icon: icon ?? Icon(Icons.content_paste, size: 10.r),
       label: Text(label),
+
       style: TextButton.styleFrom(
+        minimumSize: Size.zero, // 取消 40dp 最小高度
+        tapTargetSize: MaterialTapTargetSize.shrinkWrap, // 取消额外点击热区
         foregroundColor: Colors.white,
         backgroundColor: Colors.black.withValues(alpha: 0.5),
-        padding: EdgeInsets.symmetric(horizontal: 14.r, vertical: 8.r),
+        textStyle: TextStyle(fontSize: 10.sp),
+        padding: EdgeInsets.symmetric(horizontal: 7.r, vertical: 4.r),
         shape: RoundedRectangleBorder(
-          borderRadius: BorderRadius.circular(20.r),
+          borderRadius: BorderRadius.circular(25.r),
           side: const BorderSide(color: Colors.white30),
         ),
       ),

lib/features/recording/widgets/widget_record_timer.dart

@@ -13,18 +13,22 @@ class RecordTimerWidget extends ConsumerStatefulWidget {
 class _RecordTimerWidgetState extends ConsumerState<RecordTimerWidget> {
   @override
   Widget build(BuildContext context) {
-    final session = ref.watch(
-      recordingViewModelProvider.select((value) => value.session),
+    final timerState = ref.watch(
+      recordingViewModelProvider.select(
+        (m) => (m.session.isRecording, m.session.elapsedLabel),
+      ),
     );
-    final isRecording = session.isRecording;
-    final displayTime = isRecording ? session.elapsedLabel : '00:00:00';
+    final (isRecording, elapsedLabel) = timerState;
+    final displayTime = isRecording ? elapsedLabel : '00:00:00';
 
     return Positioned(
       top: 13.r,
       left: 0,
       right: 0,
       child: Center(
-        child: Container(
+        child: AnimatedContainer(
+          duration: const Duration(milliseconds: 380),
+          curve: Curves.easeOutCubic,
           padding: EdgeInsets.symmetric(horizontal: 5.r, vertical: 0.r),
           decoration: BoxDecoration(
             color: isRecording ? Colors.red : Colors.transparent,
@@ -33,7 +37,7 @@ class _RecordTimerWidgetState extends ConsumerState<RecordTimerWidget> {
           child: Text(
             displayTime,
             style: TextStyle(
-              color: isRecording ? Colors.white : Colors.white70,
+              color: Colors.white,
               fontSize: 20.sp,
               shadows: [Shadow(color: Colors.black54, blurRadius: 6.r)],
             ),

lib/features/recording/widgets/widget_recording_button.dart

@@ -1,62 +1,164 @@
+import 'dart:ui' show lerpDouble;
+
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 
 /// 录制控制按钮：白圈 + 红色内芯，录制中为圆角矩形。
-class RecordingControlButton extends StatelessWidget {
+class RecordingControlButton extends StatefulWidget {
   const RecordingControlButton({
     super.key,
     required this.isRecording,
     required this.onTap,
+    this.isStartingRecording = false,
     this.enabled = true,
     this.size,
   });
 
   final bool isRecording;
+  final bool isStartingRecording;
   final VoidCallback? onTap;
   final bool enabled;
   final double? size;
 
+  @override
+  State<RecordingControlButton> createState() => _RecordingControlButtonState();
+}
+
+class _RecordingControlButtonState extends State<RecordingControlButton>
+    with TickerProviderStateMixin {
+  static const _morphDuration = Duration(milliseconds: 380);
+  static const _pressDownDuration = Duration(milliseconds: 120);
+  static const _pressUpDuration = Duration(milliseconds: 180);
+
+  late final AnimationController _morphController;
+  late final AnimationController _pressController;
+  late final CurvedAnimation _morphAnimation;
+  late final Animation<double> _pressScale;
+
+  bool get _targetIsRecording =>
+      widget.isRecording || widget.isStartingRecording;
+
+  @override
+  void initState() {
+    super.initState();
+    _morphController = AnimationController(
+      vsync: this,
+      duration: _morphDuration,
+      value: _targetIsRecording ? 1 : 0,
+    );
+    _morphAnimation = CurvedAnimation(
+      parent: _morphController,
+      curve: Curves.easeOutCubic,
+      reverseCurve: Curves.easeInCubic,
+    );
+    _pressController = AnimationController(
+      vsync: this,
+      duration: _pressDownDuration,
+    );
+    _pressScale = Tween<double>(begin: 1, end: 0.94).animate(
+      CurvedAnimation(
+        parent: _pressController,
+        curve: Curves.easeOut,
+        reverseCurve: Curves.easeOutBack,
+      ),
+    );
+  }
+
+  @override
+  void didUpdateWidget(covariant RecordingControlButton oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    final oldTarget =
+        oldWidget.isRecording || oldWidget.isStartingRecording;
+    final newTarget = _targetIsRecording;
+    if (oldTarget != newTarget) {
+      if (newTarget) {
+        _morphController.forward();
+      } else {
+        _morphController.reverse();
+      }
+    }
+  }
+
+  @override
+  void dispose() {
+    _morphAnimation.dispose();
+    _morphController.dispose();
+    _pressController.dispose();
+    super.dispose();
+  }
+
+  void _handlePressDown() {
+    if (!widget.enabled) return;
+    _pressController.duration = _pressDownDuration;
+    _pressController.forward();
+  }
+
+  void _handlePressUp() {
+    if (!widget.enabled) return;
+    _pressController.duration = _pressUpDuration;
+    _pressController.reverse();
+  }
+
   @override
   Widget build(BuildContext context) {
-    final buttonSize = size ?? 70.r;
+    final buttonSize = widget.size ?? 70.r;
     final borderWidth = 4.r;
     final idleInnerSize = 62.r;
     final recordingInnerSize = 22.r;
+    final idleCornerRadius = idleInnerSize / 2;
     final recordingCornerRadius = 6.r;
 
-    final innerSize = isRecording ? recordingInnerSize : idleInnerSize;
-    final borderRadius = isRecording
-        ? recordingCornerRadius
-        : idleInnerSize / 2;
-
     return GestureDetector(
-      onTap: enabled ? onTap : null,
-      child: SizedBox(
-        width: buttonSize,
-        height: buttonSize,
-        child: Stack(
-          alignment: Alignment.center,
-          children: [
-            Container(
+      behavior: HitTestBehavior.opaque,
+      onTapDown: (_) => _handlePressDown(),
+      onTapUp: (_) => _handlePressUp(),
+      onTapCancel: _handlePressUp,
+      onTap: widget.enabled ? widget.onTap : null,
+      child: AnimatedBuilder(
+        animation: Listenable.merge([_morphController, _pressController]),
+        builder: (context, child) {
+          final morph = _morphAnimation.value;
+
+          final innerSize = lerpDouble(
+            idleInnerSize,
+            recordingInnerSize,
+            morph,
+          )!;
+          final cornerRadius = lerpDouble(
+            idleCornerRadius,
+            recordingCornerRadius,
+            morph,
+          )!;
+
+          return Transform.scale(
+            scale: _pressScale.value,
+            child: SizedBox(
               width: buttonSize,
               height: buttonSize,
-              decoration: BoxDecoration(
-                shape: BoxShape.circle,
-                border: Border.all(color: Colors.white, width: borderWidth),
+              child: Stack(
+                alignment: Alignment.center,
+                children: [
+                  Container(
+                    width: buttonSize,
+                    height: buttonSize,
+                    decoration: BoxDecoration(
+                      shape: BoxShape.circle,
+                      border: Border.all(color: Colors.white, width: borderWidth),
+                    ),
+                  ),
+                  Container(
+                    width: innerSize,
+                    height: innerSize,
+                    decoration: BoxDecoration(
+                      color: Colors.red,
+                      borderRadius: BorderRadius.circular(cornerRadius),
+                    ),
+                  ),
+                ],
               ),
             ),
-            AnimatedContainer(
-              duration: const Duration(milliseconds: 500),
-              curve: Curves.ease,
-              width: innerSize,
-              height: innerSize,
-              decoration: BoxDecoration(
-                color: Colors.red,
-                borderRadius: BorderRadius.circular(borderRadius),
-              ),
-            ),
-          ],
-        ),
+          );
+        },
       ),
     );
   }

lib/features/recording/widgets/widget_recording_hud.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:permission_handler/permission_handler.dart';
 import 'package:recording_tool/core/utils/rate_limiter.dart';
-import 'package:recording_tool/features/recording/model/model_recording_session.dart';
+import 'package:recording_tool/features/recording/widgets/record_content_transition.dart';
 import 'package:recording_tool/features/recording/widgets/widget_clipboard_address_clock_chip.dart';
 import 'package:recording_tool/features/recording/widgets/widget_recording_button.dart';
 import 'package:recording_tool/features/recording/widgets/widget_recording_setup_hints.dart';
@@ -11,29 +11,52 @@ import 'package:recording_tool/features/recording/widgets/widget_recording_setup
 class RecordingHudWidget extends StatelessWidget {
   const RecordingHudWidget({
     super.key,
-    required this.state,
+    this.errorMessage,
+    this.permissionWarning,
+    required this.hasDndAccess,
+    required this.isBatteryOptimizedIgnored,
+    required this.notificationsGranted,
+    required this.isRecording,
+    required this.isStartingRecording,
+    required this.isTouchLocked,
     this.showClipboardHint = false,
     this.clipboardAddress = '',
+    required this.zoomRatio,
+    required this.minZoomRatio,
+    required this.maxZoomRatio,
     required this.onStart,
     required this.onStop,
     required this.onOpenDnd,
     required this.onOpenBattery,
     required this.onToggleTouchLock,
+    required this.onZoomSelected,
   });
 
-  final RecordingSessionState state;
+  final String? errorMessage;
+  final String? permissionWarning;
+  final bool hasDndAccess;
+  final bool isBatteryOptimizedIgnored;
+  final bool notificationsGranted;
+  final bool isRecording;
+  final bool isStartingRecording;
+  final bool isTouchLocked;
   final bool showClipboardHint;
   final String clipboardAddress;
+  final double zoomRatio;
+  final double minZoomRatio;
+  final double maxZoomRatio;
   final Future<void> Function() onStart;
   final Future<void> Function() onStop;
   final VoidCallback onOpenDnd;
   final VoidCallback onOpenBattery;
   final VoidCallback onToggleTouchLock;
+  final ValueChanged<double> onZoomSelected;
 
   static double get _recordButtonSize => 70.r;
   static double get _recordButtonBottom => 63.r;
   static double get _overlayInfoLeft => 13.r;
   static double get _overlayInfoBottom => 10.r;
+  static const List<double> _zoomPresets = [0.6, 1.0];
 
   @override
   Widget build(BuildContext context) {
@@ -49,23 +72,23 @@ class RecordingHudWidget extends StatelessWidget {
             children: [
               SizedBox(height: 8.h),
               const Spacer(),
-              if (state.errorMessage != null)
+              if (errorMessage != null)
                 Padding(
                   padding: EdgeInsets.all(12.r),
                   child: Text(
-                    state.errorMessage!,
+                    errorMessage!,
                     style: const TextStyle(color: Colors.amber),
                     textAlign: TextAlign.center,
                   ),
                 ),
-              if (state.permissionWarning != null)
+              if (permissionWarning != null)
                 Padding(
                   padding: EdgeInsets.symmetric(
                     horizontal: 16.r,
                     vertical: 8.r,
                   ),
                   child: Text(
-                    state.permissionWarning!,
+                    permissionWarning!,
                     style: TextStyle(
                       color: Colors.orangeAccent,
                       fontSize: 12.sp,
@@ -74,9 +97,9 @@ class RecordingHudWidget extends StatelessWidget {
                   ),
                 ),
               RecordingSetupHintsWidget(
-                hasDndAccess: state.hasDndAccess,
-                isBatteryIgnored: state.isBatteryOptimizedIgnored,
-                notificationsGranted: state.notificationsGranted,
+                hasDndAccess: hasDndAccess,
+                isBatteryIgnored: isBatteryOptimizedIgnored,
+                notificationsGranted: notificationsGranted,
                 onOpenDnd: onOpenDnd,
                 onOpenBattery: onOpenBattery,
                 onOpenNotificationSettings: openAppSettings,
@@ -84,13 +107,24 @@ class RecordingHudWidget extends StatelessWidget {
             ],
           ),
         ),
-        if (showClipboardHint)
-          Positioned(
-            left: _overlayInfoLeft,
-            bottom: _overlayInfoBottom,
-            child: ClipboardAddressClockChipWidget(address: clipboardAddress),
+        Positioned(
+          left: _overlayInfoLeft,
+          bottom: _overlayInfoBottom,
+          child: AnimatedSwitcher(
+            duration: RecordContentTransition.duration,
+            switchInCurve: Curves.easeOutCubic,
+            switchOutCurve: Curves.easeInCubic,
+            layoutBuilder: RecordContentTransition.bottomStackLayoutBuilder,
+            transitionBuilder: RecordContentTransition.builder,
+            child: showClipboardHint
+                ? ClipboardAddressClockChipWidget(
+                    key: const ValueKey('clipboard-info'),
+                    address: clipboardAddress,
+                  )
+                : const SizedBox.shrink(key: ValueKey('clipboard-info-hidden')),
           ),
-        if (state.isRecording)
+        ),
+        if (isRecording)
           Positioned(
             left: 16.r,
             bottom: _recordButtonBottom,
@@ -100,7 +134,7 @@ class RecordingHudWidget extends StatelessWidget {
                 child: IconButton(
                   onPressed: onToggleTouchLock,
                   icon: Icon(
-                    state.isTouchLocked ? Icons.lock : Icons.lock_open,
+                    isTouchLocked ? Icons.lock : Icons.lock_open,
                     color: Colors.white,
                     size: 28.r,
                   ),
@@ -108,17 +142,30 @@ class RecordingHudWidget extends StatelessWidget {
               ),
             ),
           ),
+        Positioned(
+          right: 16.r,
+          bottom: _recordButtonBottom + _recordButtonSize + 14.h,
+          child: _ZoomPresetControl(
+            isRecording: isRecording,
+            zoomRatio: zoomRatio,
+            minZoomRatio: minZoomRatio,
+            maxZoomRatio: maxZoomRatio,
+            presets: _zoomPresets,
+            onSelected: onZoomSelected,
+          ),
+        ),
         Positioned(
           left: 0,
           right: 0,
           bottom: _recordButtonBottom,
           child: Center(
             child: RecordingControlButton(
-              isRecording: state.isRecording,
-              enabled: !state.isStartingRecording,
+              isRecording: isRecording,
+              isStartingRecording: isStartingRecording,
+              enabled: !isStartingRecording,
               size: _recordButtonSize,
               onTap: () {
-                if (state.isRecording) {
+                if (isRecording) {
                   RateLimit.instance.debounce<void>(
                     key: 'recording.session.stop',
                     value: null,
@@ -145,3 +192,132 @@ class RecordingHudWidget extends StatelessWidget {
     );
   }
 }
+
+class _ZoomPresetControl extends StatelessWidget {
+  const _ZoomPresetControl({
+    required this.isRecording,
+    required this.zoomRatio,
+    required this.minZoomRatio,
+    required this.maxZoomRatio,
+    required this.presets,
+    required this.onSelected,
+  });
+
+  final bool isRecording;
+  final double zoomRatio;
+  final double minZoomRatio;
+  final double maxZoomRatio;
+  final List<double> presets;
+  final ValueChanged<double> onSelected;
+
+  @override
+  Widget build(BuildContext context) {
+    final availablePresets = presets
+        .where(_isPresetAvailable)
+        .toList(growable: false);
+
+    if (availablePresets.isEmpty) {
+      return const SizedBox.shrink();
+    }
+
+    return DecoratedBox(
+      decoration: BoxDecoration(
+        color: Colors.black.withValues(alpha: 0.46),
+        borderRadius: BorderRadius.circular(18.r),
+        border: Border.all(color: Colors.white.withValues(alpha: 0.18)),
+      ),
+      child: Padding(
+        padding: EdgeInsets.all(3.r),
+        child: Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            for (final preset in availablePresets)
+              _ZoomPresetButton(
+                displayRatio: preset,
+                requestRatio: preset,
+                selected: _isPresetSelected(preset),
+                enabled: !_wouldSwitchPhysicalCamera(preset),
+                onSelected: onSelected,
+              ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  bool _isPresetAvailable(double preset) {
+    if (preset < 1.0) {
+      return minZoomRatio <= preset && maxZoomRatio >= preset;
+    }
+    return preset >= minZoomRatio && preset <= maxZoomRatio;
+  }
+
+  bool _isPresetSelected(double preset) {
+    if (preset < 1.0) {
+      return zoomRatio < 1.0;
+    }
+    return (zoomRatio - preset).abs() < 0.05;
+  }
+
+  bool _wouldSwitchPhysicalCamera(double preset) {
+    if (!isRecording) {
+      return false;
+    }
+    final currentIsUltraWide = zoomRatio < 1.0;
+    final targetIsUltraWide = preset < 1.0;
+    return currentIsUltraWide != targetIsUltraWide;
+  }
+}
+
+class _ZoomPresetButton extends StatelessWidget {
+  const _ZoomPresetButton({
+    required this.displayRatio,
+    required this.requestRatio,
+    required this.selected,
+    required this.enabled,
+    required this.onSelected,
+  });
+
+  final double displayRatio;
+  final double requestRatio;
+  final bool selected;
+  final bool enabled;
+  final ValueChanged<double> onSelected;
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: EdgeInsets.symmetric(horizontal: 1.r),
+      child: TextButton(
+        onPressed: selected || !enabled ? null : () => onSelected(requestRatio),
+        style: TextButton.styleFrom(
+          minimumSize: Size(38.r, 32.r),
+          padding: EdgeInsets.zero,
+          tapTargetSize: MaterialTapTargetSize.shrinkWrap,
+          foregroundColor: selected ? Colors.black : Colors.white,
+          disabledForegroundColor: Colors.black,
+          backgroundColor: selected ? Colors.white : Colors.transparent,
+          disabledBackgroundColor: Colors.white,
+          shape: RoundedRectangleBorder(
+            borderRadius: BorderRadius.circular(15.r),
+          ),
+        ),
+        child: Text(
+          '${_formatZoomRatio(displayRatio)}x',
+          style: TextStyle(
+            fontSize: 13.sp,
+            fontWeight: FontWeight.w700,
+            letterSpacing: 0,
+          ),
+        ),
+      ),
+    );
+  }
+
+  String _formatZoomRatio(double ratio) {
+    if (ratio == ratio.roundToDouble()) {
+      return ratio.toStringAsFixed(0);
+    }
+    return ratio.toStringAsFixed(1);
+  }
+}

lib/features/recording/widgets/widget_recording_saved_dialog.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:recording_tool/features/dialog/dialog-record.dart';
 
-/// 录制结束并保存到相册后的后续操作弹窗。
+/// 录制结束并保存到文件夹后的后续操作弹窗。
 Future<void> showRecordingSavedDialog(
   BuildContext context, {
   required String sessionTitle,
@@ -10,7 +10,7 @@ Future<void> showRecordingSavedDialog(
 }) {
   return RecordDialog.showDouble(
     context,
-    title: '本轮比赛视频已保存到相册\n请选择后续录制信息',
+    title: '本轮比赛视频已保存到文件夹\n请选择后续录制信息',
     leftText: '继续本轮',
     rightText: '录制新轮',
     onLeftPressed: onContinueRound,

lib/features/recording/widgets/widget_recording_touch_lock_overlay.dart

@@ -3,6 +3,31 @@ import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 
+enum RecordingTouchLockUnlockIntent { unlockOnly, stopRecording }
+
+RecordingTouchLockUnlockIntent resolveRecordingTouchLockUnlockIntent({
+  required Offset position,
+  required Size size,
+  double stopZoneFraction = 0.3,
+}) {
+  if (size.width <= 0 || size.height <= 0 || stopZoneFraction <= 0) {
+    return RecordingTouchLockUnlockIntent.unlockOnly;
+  }
+
+  final normalizedStopZone = stopZoneFraction.clamp(0.0, 1.0);
+  if (size.width <= size.height) {
+    final stopZoneTop = size.height * (1 - normalizedStopZone);
+    return position.dy >= stopZoneTop
+        ? RecordingTouchLockUnlockIntent.stopRecording
+        : RecordingTouchLockUnlockIntent.unlockOnly;
+  }
+
+  final stopZoneLeft = size.width * (1 - normalizedStopZone);
+  return position.dx >= stopZoneLeft
+      ? RecordingTouchLockUnlockIntent.stopRecording
+      : RecordingTouchLockUnlockIntent.unlockOnly;
+}
+
 class RecordingTouchLockOverlayWidget extends StatefulWidget {
   const RecordingTouchLockOverlayWidget({
     super.key,
@@ -12,7 +37,7 @@ class RecordingTouchLockOverlayWidget extends StatefulWidget {
   });
 
   final bool enabled;
-  final VoidCallback onUnlocked;
+  final ValueChanged<RecordingTouchLockUnlockIntent> onUnlocked;
   final Duration unlockHoldDuration;
 
   @override
@@ -25,6 +50,8 @@ class _RecordingTouchLockOverlayWidgetState
   Timer? _holdTimer;
   bool _isHolding = false;
   int? _remainingSeconds;
+  Offset? _holdStartPosition;
+  Size? _holdStartSize;
 
   @override
   void didUpdateWidget(RecordingTouchLockOverlayWidget oldWidget) {
@@ -48,16 +75,20 @@ class _RecordingTouchLockOverlayWidgetState
     setState(() {
       _isHolding = false;
       _remainingSeconds = null;
+      _holdStartPosition = null;
+      _holdStartSize = null;
     });
   }
 
-  void _startHold() {
+  void _startHold(Offset position, Size size) {
     if (!widget.enabled) return;
     final totalSeconds = widget.unlockHoldDuration.inSeconds;
     _holdTimer?.cancel();
     setState(() {
       _isHolding = true;
       _remainingSeconds = totalSeconds;
+      _holdStartPosition = position;
+      _holdStartSize = size;
     });
 
     var elapsed = 0;
@@ -70,11 +101,17 @@ class _RecordingTouchLockOverlayWidgetState
       if (elapsed >= totalSeconds) {
         timer.cancel();
         _holdTimer = null;
-        widget.onUnlocked();
+        final intent = resolveRecordingTouchLockUnlockIntent(
+          position: _holdStartPosition ?? Offset.zero,
+          size: _holdStartSize ?? Size.zero,
+        );
         setState(() {
           _isHolding = false;
           _remainingSeconds = null;
+          _holdStartPosition = null;
+          _holdStartSize = null;
         });
+        widget.onUnlocked(intent);
         return;
       }
       setState(() => _remainingSeconds = totalSeconds - elapsed);
@@ -88,83 +125,93 @@ class _RecordingTouchLockOverlayWidgetState
     }
 
     return Positioned.fill(
-      child: Listener(
-        behavior: HitTestBehavior.opaque,
-        onPointerDown: (_) => _startHold(),
-        onPointerUp: (_) => _cancelHold(),
-        onPointerCancel: (_) => _cancelHold(),
-        child: ColoredBox(
-          color: Colors.black.withValues(alpha: 0.01),
-          child: Align(
-            alignment: Alignment.topCenter,
-            child: Padding(
-              padding: EdgeInsets.only(top: 68.r),
-              child: DecoratedBox(
-                decoration: BoxDecoration(
-                  color: Colors.black54,
-                  borderRadius: BorderRadius.circular(24.r),
-                ),
+      child: LayoutBuilder(
+        builder: (context, constraints) {
+          final overlaySize = Size(constraints.maxWidth, constraints.maxHeight);
+          return Listener(
+            behavior: HitTestBehavior.opaque,
+            onPointerDown: (event) =>
+                _startHold(event.localPosition, overlaySize),
+            onPointerUp: (_) => _cancelHold(),
+            onPointerCancel: (_) => _cancelHold(),
+            child: ColoredBox(
+              color: Colors.black.withValues(alpha: 0.01),
+              child: Align(
+                alignment: Alignment.topCenter,
                 child: Padding(
-                  padding: EdgeInsets.symmetric(
-                    horizontal: 16.r,
-                    vertical: 8.r,
-                  ),
-                  child: _isHolding && _remainingSeconds != null
-                      ? Builder(
-                          builder: (context) {
-                            final remainingSeconds = _remainingSeconds!;
-                            return Column(
-                              mainAxisSize: MainAxisSize.min,
-                              children: [
-                                AnimatedSwitcher(
-                                  duration: const Duration(milliseconds: 280),
-                                  switchInCurve: Curves.easeOut,
-                                  switchOutCurve: Curves.easeIn,
-                                  transitionBuilder: (child, animation) {
-                                    return ScaleTransition(
-                                      scale: Tween<double>(begin: 0.6, end: 1)
-                                          .animate(animation),
-                                      child: FadeTransition(
-                                        opacity: animation,
-                                        child: child,
+                  padding: EdgeInsets.only(top: 68.r),
+                  child: DecoratedBox(
+                    decoration: BoxDecoration(
+                      color: Colors.black54,
+                      borderRadius: BorderRadius.circular(24.r),
+                    ),
+                    child: Padding(
+                      padding: EdgeInsets.symmetric(
+                        horizontal: 16.r,
+                        vertical: 8.r,
+                      ),
+                      child: _isHolding && _remainingSeconds != null
+                          ? Builder(
+                              builder: (context) {
+                                final remainingSeconds = _remainingSeconds!;
+                                return Column(
+                                  mainAxisSize: MainAxisSize.min,
+                                  children: [
+                                    AnimatedSwitcher(
+                                      duration: const Duration(
+                                        milliseconds: 280,
                                       ),
-                                    );
-                                  },
-                                  child: Text(
-                                    '${remainingSeconds}s',
-                                    key: ValueKey<int>(remainingSeconds),
-                                style: TextStyle(
-                                  color: Colors.white,
-                                  fontSize: 18.sp,
-                                  fontWeight: FontWeight.w600,
-                                  height: 1.1,
-                                ),
-                              ),
-                            ),
-                            SizedBox(height: 2.r),
-                            Text(
-                              '保持按住解锁',
+                                      switchInCurve: Curves.easeOut,
+                                      switchOutCurve: Curves.easeIn,
+                                      transitionBuilder: (child, animation) {
+                                        return ScaleTransition(
+                                          scale: Tween<double>(
+                                            begin: 0.6,
+                                            end: 1,
+                                          ).animate(animation),
+                                          child: FadeTransition(
+                                            opacity: animation,
+                                            child: child,
+                                          ),
+                                        );
+                                      },
+                                      child: Text(
+                                        '${remainingSeconds}s',
+                                        key: ValueKey<int>(remainingSeconds),
+                                        style: TextStyle(
+                                          color: Colors.white,
+                                          fontSize: 18.sp,
+                                          fontWeight: FontWeight.w600,
+                                          height: 1.1,
+                                        ),
+                                      ),
+                                    ),
+                                    SizedBox(height: 2.r),
+                                    Text(
+                                      '保持按住解锁',
+                                      style: TextStyle(
+                                        color: Colors.white70,
+                                        fontSize: 10.sp,
+                                      ),
+                                    ),
+                                  ],
+                                );
+                              },
+                            )
+                          : Text(
+                              '防误触已开启，按住 ${widget.unlockHoldDuration.inSeconds}s 解锁',
                               style: TextStyle(
-                                color: Colors.white70,
+                                color: Colors.white,
                                 fontSize: 10.sp,
                               ),
                             ),
-                              ],
-                            );
-                          },
-                        )
-                      : Text(
-                          '防误触已开启，按住 ${widget.unlockHoldDuration.inSeconds}s 解锁',
-                          style: TextStyle(
-                            color: Colors.white,
-                            fontSize: 10.sp,
-                          ),
-                        ),
+                    ),
+                  ),
                 ),
               ),
             ),
-          ),
-        ),
+          );
+        },
       ),
     );
   }

lib/gen/assets.gen.dart

@@ -14,6 +14,14 @@ import 'package:flutter/widgets.dart';
 class $AssetsImagesGen {
   const $AssetsImagesGen();
 
+  /// File path: assets/images/image_copy.png
+  AssetGenImage get imageCopy =>
+      const AssetGenImage('assets/images/image_copy.png');
+
+  /// File path: assets/images/image_delete.png
+  AssetGenImage get imageDelete =>
+      const AssetGenImage('assets/images/image_delete.png');
+
   /// File path: assets/images/image_dialog_bg.png
   AssetGenImage get imageDialogBg =>
       const AssetGenImage('assets/images/image_dialog_bg.png');
@@ -23,7 +31,12 @@ class $AssetsImagesGen {
       const AssetGenImage('assets/images/image_logo.png');
 
   /// List of all assets
-  List<AssetGenImage> get values => [imageDialogBg, imageLogo];
+  List<AssetGenImage> get values => [
+    imageCopy,
+    imageDelete,
+    imageDialogBg,
+    imageLogo,
+  ];
 }
 
 class Assets {

pubspec.yaml

@@ -16,7 +16,7 @@ publish_to: "none" # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 1.0.0+2002
+version: 1.0.0
 
 environment:
   sdk: ^3.9.0

test/core/permission/permission_service_test.dart

@@ -71,7 +71,7 @@ void main() {
   });
 
   group('iOS permission configuration', () {
-    test('Podfile enables camera, microphone and photos permission macros', () {
+    test('Podfile enables camera and microphone permission macros only', () {
       final podfile = File('ios/Podfile').readAsStringSync();
 
       expect(
@@ -80,8 +80,8 @@ void main() {
       );
       expect(podfile, contains("'PERMISSION_CAMERA=1'"));
       expect(podfile, contains("'PERMISSION_MICROPHONE=1'"));
-      expect(podfile, contains("'PERMISSION_PHOTOS=1'"));
-      expect(podfile, contains("'PERMISSION_PHOTOS_ADD_ONLY=1'"));
+      expect(podfile, isNot(contains("'PERMISSION_PHOTOS=1'")));
+      expect(podfile, isNot(contains("'PERMISSION_PHOTOS_ADD_ONLY=1'")));
     });
   });
 }

test/features/dialog/record_dialog_test.dart

@@ -68,7 +68,7 @@ void main() {
             onPressed: () {
               RecordDialog.showDouble(
                 context,
-                title: '本轮比赛视频已保存到相册\n请选择后续录制信息',
+                title: '本轮比赛视频已保存到文件夹\n请选择后续录制信息',
                 leftText: '继续本轮',
                 rightText: '录制新轮',
                 onLeftPressed: () => leftTapped = true,
@@ -123,7 +123,7 @@ void main() {
     await tester.pumpAndSettle();
 
     expect(find.text('王东方 丨李想 空中格斗赛'), findsNothing);
-    expect(find.text('本轮比赛视频已保存到相册\n请选择后续录制信息'), findsOneWidget);
+    expect(find.text('本轮比赛视频已保存到文件夹\n请选择后续录制信息'), findsOneWidget);
     expect(find.text('继续本轮'), findsOneWidget);
     expect(find.text('录制新轮'), findsOneWidget);
   });

test/features/recording/recording_platform_test.dart

@@ -18,4 +18,20 @@ void main() {
       );
     });
   });
+
+  group('RecordingStopResult', () {
+    test('parses file save result fields from platform payload', () {
+      final result = RecordingStopResult.fromMap(<String, dynamic>{
+        'outputPath': '/Documents/recordings/test.mov',
+        'status': <String, dynamic>{'state': 'previewing'},
+        'fileSaved': false,
+        'fileErrorMessage': '保存到文件夹失败',
+      });
+
+      expect(result.outputPath, '/Documents/recordings/test.mov');
+      expect(result.status.state, RecordingState.previewing);
+      expect(result.fileSaved, isFalse);
+      expect(result.fileErrorMessage, '保存到文件夹失败');
+    });
+  });
 }

test/features/recording/view_model_recording_test.dart

@@ -1,6 +1,9 @@
 import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'package:recording_tool/features/recording/model/model_recording_session.dart';
+import 'package:recording_tool/features/recording/platform/recording_channel_names.dart';
 import 'package:recording_tool/features/recording/view-model/view_model_recording.dart';
 
 void main() {
@@ -23,6 +26,11 @@ void main() {
   tearDown(() {
     TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
         .setMockMethodCallHandler(SystemChannels.platform, null);
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+        .setMockMethodCallHandler(
+          const MethodChannel(RecordingChannelNames.method),
+          null,
+        );
   });
 
   group('RecordingViewModel', () {
@@ -35,6 +43,228 @@ void main() {
       expect(model.clipboardRecordingModel.title, defaultClipboardTitle);
       expect(model.session.isPreviewReady, isFalse);
       expect(model.session.isRecording, isFalse);
+      expect(model.session.zoomRatio, 1.0);
+      expect(model.session.minZoomRatio, 1.0);
+      expect(model.session.maxZoomRatio, 3.0);
+    });
+  });
+
+  group('RecordingViewModel.setZoomRatio', () {
+    test('updates zoom ratio from native response', () async {
+      TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+          .setMockMethodCallHandler(
+            const MethodChannel(RecordingChannelNames.method),
+            (call) async {
+              expect(call.method, 'setZoomRatio');
+              expect(call.arguments, <String, dynamic>{'zoomRatio': 2.0});
+              return <String, dynamic>{
+                'zoomRatio': 2.0,
+                'minZoomRatio': 1.0,
+                'maxZoomRatio': 3.0,
+              };
+            },
+          );
+      final container = ProviderContainer();
+      addTearDown(container.dispose);
+
+      await container.read(recordingViewModelProvider.notifier).setZoomRatio(2);
+
+      final session = container.read(recordingViewModelProvider).session;
+      expect(session.zoomRatio, 2.0);
+      expect(session.minZoomRatio, 1.0);
+      expect(session.maxZoomRatio, 3.0);
+      expect(session.errorMessage, isNull);
+    });
+
+    test(
+      'clamps legacy 0.5x request to 0.6x ultra-wide ratio',
+      () async {
+        final calls = <MethodCall>[];
+        TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+            .setMockMethodCallHandler(
+              const MethodChannel(RecordingChannelNames.method),
+              (call) async {
+                calls.add(call);
+                return <String, dynamic>{
+                  'zoomRatio': 0.6,
+                  'minZoomRatio': 0.6,
+                  'maxZoomRatio': 3.0,
+                };
+              },
+            );
+        final container = ProviderContainer();
+        addTearDown(container.dispose);
+        final notifier = container.read(recordingViewModelProvider.notifier);
+        // ignore: invalid_use_of_protected_member
+        notifier.state = container
+            .read(recordingViewModelProvider)
+            .copyWith(
+              session: const RecordingSessionState(
+                zoomRatio: 1.0,
+                minZoomRatio: 0.6,
+                maxZoomRatio: 3.0,
+              ),
+            );
+
+        await notifier.setZoomRatio(0.5);
+
+        expect(calls.single.arguments, <String, dynamic>{'zoomRatio': 0.6});
+        final session = container.read(recordingViewModelProvider).session;
+        expect(session.zoomRatio, 0.6);
+        expect(session.minZoomRatio, 0.6);
+        expect(session.maxZoomRatio, 3.0);
+      },
+    );
+
+    test('passes 0.6x to native when camera capabilities allow it', () async {
+      final calls = <MethodCall>[];
+      TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+          .setMockMethodCallHandler(
+            const MethodChannel(RecordingChannelNames.method),
+            (call) async {
+              calls.add(call);
+              return <String, dynamic>{
+                'zoomRatio': 0.6,
+                'minZoomRatio': 0.6,
+                'maxZoomRatio': 3.0,
+              };
+            },
+          );
+      final container = ProviderContainer();
+      addTearDown(container.dispose);
+      final notifier = container.read(recordingViewModelProvider.notifier);
+      // ignore: invalid_use_of_protected_member
+      notifier.state = container
+          .read(recordingViewModelProvider)
+          .copyWith(
+            session: const RecordingSessionState(
+              zoomRatio: 1.0,
+              minZoomRatio: 0.6,
+              maxZoomRatio: 3.0,
+            ),
+          );
+
+      await notifier.setZoomRatio(0.6);
+
+      expect(calls.single.arguments, <String, dynamic>{'zoomRatio': 0.6});
+      final session = container.read(recordingViewModelProvider).session;
+      expect(session.zoomRatio, 0.6);
+      expect(session.minZoomRatio, 0.6);
+      expect(session.maxZoomRatio, 3.0);
+    });
+
+    test('clamps requested zoom ratio before invoking native', () async {
+      final calls = <MethodCall>[];
+      TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+          .setMockMethodCallHandler(
+            const MethodChannel(RecordingChannelNames.method),
+            (call) async {
+              calls.add(call);
+              return <String, dynamic>{
+                'zoomRatio': 1.0,
+                'minZoomRatio': 1.0,
+                'maxZoomRatio': 1.0,
+              };
+            },
+          );
+      final container = ProviderContainer();
+      addTearDown(container.dispose);
+
+      await container.read(recordingViewModelProvider.notifier).setZoomRatio(4);
+
+      expect(calls.single.arguments, <String, dynamic>{'zoomRatio': 3.0});
+      expect(container.read(recordingViewModelProvider).session.zoomRatio, 1.0);
+    });
+
+    test(
+      'clamps 0.6x to 1x when camera capabilities do not allow it',
+      () async {
+        final calls = <MethodCall>[];
+        TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+            .setMockMethodCallHandler(
+              const MethodChannel(RecordingChannelNames.method),
+              (call) async {
+                calls.add(call);
+                return <String, dynamic>{
+                  'zoomRatio': 1.0,
+                  'minZoomRatio': 1.0,
+                  'maxZoomRatio': 3.0,
+                };
+              },
+            );
+        final container = ProviderContainer();
+        addTearDown(container.dispose);
+
+        await container
+            .read(recordingViewModelProvider.notifier)
+            .setZoomRatio(0.6);
+
+        expect(calls.single.arguments, <String, dynamic>{'zoomRatio': 1.0});
+        expect(
+          container.read(recordingViewModelProvider).session.zoomRatio,
+          1.0,
+        );
+      },
+    );
+
+    test(
+      'keeps previous zoom ratio and stores error when native fails',
+      () async {
+        TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+            .setMockMethodCallHandler(
+              const MethodChannel(RecordingChannelNames.method),
+              (call) async {
+                throw PlatformException(
+                  code: 'ZOOM_FAILED',
+                  message: 'Zoom is unavailable',
+                );
+              },
+            );
+        final container = ProviderContainer();
+        addTearDown(container.dispose);
+
+        await container
+            .read(recordingViewModelProvider.notifier)
+            .setZoomRatio(2);
+
+        final session = container.read(recordingViewModelProvider).session;
+        expect(session.zoomRatio, 1.0);
+        expect(session.errorMessage, 'Zoom is unavailable');
+      },
+    );
+  });
+
+  group('recordingFileSavePermissionsForHost', () {
+    test('does not request photo permission on iOS', () {
+      final permissions = recordingFileSavePermissionsForHost(
+        isIOS: true,
+        isAndroid: false,
+      );
+
+      expect(permissions, isEmpty);
+      expect(permissions, isNot(contains(Permission.photosAddOnly)));
+      expect(permissions, isNot(contains(Permission.photos)));
+    });
+
+    test('requests storage permission on Android 9 and below', () {
+      final permissions = recordingFileSavePermissionsForHost(
+        isIOS: false,
+        isAndroid: true,
+        androidSdkInt: 28,
+      );
+
+      expect(permissions, <Permission>[Permission.storage]);
+      expect(permissions, isNot(contains(Permission.videos)));
+    });
+
+    test('does not request file save permission on Android 10 and above', () {
+      final permissions = recordingFileSavePermissionsForHost(
+        isIOS: false,
+        isAndroid: true,
+        androidSdkInt: 29,
+      );
+
+      expect(permissions, isEmpty);
     });
   });
 
@@ -56,14 +286,8 @@ void main() {
         expect(model.clipboardRecordingModel.title, '王东方 丨李想 空中格斗赛');
         expect(model.clipboardRecordingModel.startTimestamp, 1717334400);
         expect(model.clipboardRecordingModel.endTimestamp, 1717334400);
-        expect(
-          model.clipboardRecordingModel.address,
-          '广州市番禺区·粤港澳大湾区青年人才双创小镇',
-        );
-        expect(
-          model.clipboardRecordingModel.filename,
-          '选手名称_选手ID_赛事名称_赛项',
-        );
+        expect(model.clipboardRecordingModel.address, '广州市番禺区·粤港澳大湾区青年人才双创小镇');
+        expect(model.clipboardRecordingModel.filename, '选手名称_选手ID_赛事名称_赛项');
       },
     );
 
@@ -93,7 +317,10 @@ void main() {
 
       expect(result, ClipboardReadResult.invalid);
       expect(
-        container.read(recordingViewModelProvider).clipboardRecordingModel.title,
+        container
+            .read(recordingViewModelProvider)
+            .clipboardRecordingModel
+            .title,
         defaultClipboardTitle,
       );
       expect(
@@ -113,33 +340,18 @@ void main() {
 
       expect(result, ClipboardReadResult.invalid);
       expect(
-        container.read(recordingViewModelProvider).clipboardRecordingModel.title,
-        defaultClipboardTitle,
-      );
-    });
-
-    test('returns invalid when clipboard JSON misses required address', () async {
-      await setClipboardText('{"title":"王东方 丨李想 空中格斗赛"}');
-      final container = ProviderContainer();
-      addTearDown(container.dispose);
-
-      final result = await container
-          .read(recordingViewModelProvider.notifier)
-          .getClipboardContent();
-
-      expect(result, ClipboardReadResult.invalid);
-      expect(
-        container.read(recordingViewModelProvider).clipboardRecordingModel.title,
+        container
+            .read(recordingViewModelProvider)
+            .clipboardRecordingModel
+            .title,
         defaultClipboardTitle,
       );
     });
 
     test(
-      'updates state when clipboard omits optional timestamps',
+      'returns invalid when clipboard JSON misses required address',
       () async {
-        await setClipboardText(
-          '{"title":"郑昌梦 丨黄伟依 空中格斗赛 小学组","address":"广东省汕头市番禺区青蓝街 111 号","filename":"郑昌梦_黄伟依_6月3日测试-1_空中格斗赛"}',
-        );
+        await setClipboardText('{"title":"王东方 丨李想 空中格斗赛"}');
         final container = ProviderContainer();
         addTearDown(container.dispose);
 
@@ -147,18 +359,36 @@ void main() {
             .read(recordingViewModelProvider.notifier)
             .getClipboardContent();
 
-        expect(result, ClipboardReadResult.success);
-        final model = container.read(recordingViewModelProvider);
-        expect(model.hasValidClipboardInfo, isTrue);
-        expect(model.clipboardRecordingModel.startTimestamp, isNull);
-        expect(model.clipboardRecordingModel.endTimestamp, isNull);
+        expect(result, ClipboardReadResult.invalid);
         expect(
-          model.clipboardRecordingModel.filename,
-          '郑昌梦_黄伟依_6月3日测试-1_空中格斗赛',
+          container
+              .read(recordingViewModelProvider)
+              .clipboardRecordingModel
+              .title,
+          defaultClipboardTitle,
         );
       },
     );
 
+    test('updates state when clipboard omits optional timestamps', () async {
+      await setClipboardText(
+        '{"title":"郑昌梦 丨黄伟依 空中格斗赛 小学组","address":"广东省汕头市番禺区青蓝街 111 号","filename":"郑昌梦_黄伟依_6月3日测试-1_空中格斗赛"}',
+      );
+      final container = ProviderContainer();
+      addTearDown(container.dispose);
+
+      final result = await container
+          .read(recordingViewModelProvider.notifier)
+          .getClipboardContent();
+
+      expect(result, ClipboardReadResult.success);
+      final model = container.read(recordingViewModelProvider);
+      expect(model.hasValidClipboardInfo, isTrue);
+      expect(model.clipboardRecordingModel.startTimestamp, isNull);
+      expect(model.clipboardRecordingModel.endTimestamp, isNull);
+      expect(model.clipboardRecordingModel.filename, '郑昌梦_黄伟依_6月3日测试-1_空中格斗赛');
+    });
+
     test('returns invalid when clipboard JSON has wrong field type', () async {
       await setClipboardText(
         '{"title":"王东方 丨李想 空中格斗赛","startTimestamp":"1717334400","endTimestamp":1717334400,"address":"广州市番禺区·粤港澳大湾区青年人才双创小镇"}',
@@ -172,7 +402,10 @@ void main() {
 
       expect(result, ClipboardReadResult.invalid);
       expect(
-        container.read(recordingViewModelProvider).clipboardRecordingModel.title,
+        container
+            .read(recordingViewModelProvider)
+            .clipboardRecordingModel
+            .title,
         defaultClipboardTitle,
       );
     });

test/features/recording/widget_record_header_test.dart

@@ -0,0 +1,52 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:recording_tool/features/recording/widgets/widget_record_header.dart';
+import 'package:recording_tool/gen/assets.gen.dart';
+
+void main() {
+  Future<void> pumpHeader(
+    WidgetTester tester, {
+    required bool hasValidClipboardInfo,
+    String? eventTitle,
+  }) async {
+    await tester.pumpWidget(
+      ScreenUtilInit(
+        designSize: const Size(375, 812),
+        builder: (context, _) {
+          return MaterialApp(
+            home: Scaffold(
+              body: RecordHeaderWidget(
+                hasValidClipboardInfo: hasValidClipboardInfo,
+                eventTitle: eventTitle,
+                isRecording: false,
+                onPasteEventInfo: () async {},
+                onClearEventInfo: () {},
+              ),
+            ),
+          );
+        },
+      ),
+    );
+  }
+
+  testWidgets('paste player info button uses copy image asset', (tester) async {
+    await pumpHeader(tester, hasValidClipboardInfo: false);
+
+    expect(find.text('粘贴选手信息'), findsOneWidget);
+    expect(find.image(AssetImage(Assets.images.imageCopy.path)), findsOne);
+  });
+
+  testWidgets('clear player info button uses delete image asset', (
+    tester,
+  ) async {
+    await pumpHeader(
+      tester,
+      hasValidClipboardInfo: true,
+      eventTitle: '王东方 丨李想 空中格斗赛',
+    );
+
+    expect(find.text('王东方 丨李想 空中格斗赛'), findsOneWidget);
+    expect(find.image(AssetImage(Assets.images.imageDelete.path)), findsOne);
+  });
+}

test/features/recording/widget_recording_button_test.dart

@@ -0,0 +1,138 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:recording_tool/features/recording/widgets/widget_recording_button.dart';
+
+void main() {
+  const designSize = Size(375, 812);
+  const morphDuration = Duration(milliseconds: 380);
+
+  Future<void> pumpButton(
+    WidgetTester tester, {
+    required bool isRecording,
+    bool isStartingRecording = false,
+  }) async {
+    await tester.pumpWidget(
+      ScreenUtilInit(
+        designSize: designSize,
+        builder: (context, _) {
+          return MaterialApp(
+            home: Scaffold(
+              body: Center(
+                child: RecordingControlButton(
+                  isRecording: isRecording,
+                  isStartingRecording: isStartingRecording,
+                  onTap: () {},
+                ),
+              ),
+            ),
+          );
+        },
+      ),
+    );
+    await tester.pump();
+  }
+
+  Size innerCoreSize(WidgetTester tester) {
+    final finder = find.byWidgetPredicate(
+      (widget) =>
+          widget is Container &&
+          widget.decoration is BoxDecoration &&
+          (widget.decoration! as BoxDecoration).color == Colors.red,
+    );
+    return tester.getSize(finder);
+  }
+
+  testWidgets('idle state uses large circular inner core', (tester) async {
+    await pumpButton(tester, isRecording: false);
+
+    final size = innerCoreSize(tester);
+    expect(size.width, closeTo(62.r, 0.5));
+    expect(size.height, closeTo(62.r, 0.5));
+  });
+
+  testWidgets('isStartingRecording morphs to stop square before isRecording', (
+    tester,
+  ) async {
+    await pumpButton(
+      tester,
+      isRecording: false,
+      isStartingRecording: true,
+    );
+
+    await tester.pump(morphDuration);
+    await tester.pump();
+
+    final size = innerCoreSize(tester);
+    expect(size.width, closeTo(22.r, 0.5));
+    expect(size.height, closeTo(22.r, 0.5));
+  });
+
+  testWidgets('isRecording forward and reverse morph without errors', (
+    tester,
+  ) async {
+    await pumpButton(tester, isRecording: false);
+
+    await tester.pumpWidget(
+      ScreenUtilInit(
+        designSize: designSize,
+        builder: (context, _) {
+          return MaterialApp(
+            home: Scaffold(
+              body: Center(
+                child: RecordingControlButton(
+                  isRecording: true,
+                  onTap: () {},
+                ),
+              ),
+            ),
+          );
+        },
+      ),
+    );
+    await tester.pump(morphDuration);
+    await tester.pump();
+
+    expect(innerCoreSize(tester).width, closeTo(22.r, 0.5));
+
+    await tester.pumpWidget(
+      ScreenUtilInit(
+        designSize: designSize,
+        builder: (context, _) {
+          return MaterialApp(
+            home: Scaffold(
+              body: Center(
+                child: RecordingControlButton(
+                  isRecording: false,
+                  onTap: () {},
+                ),
+              ),
+            ),
+          );
+        },
+      ),
+    );
+    await tester.pump(morphDuration);
+    await tester.pump();
+
+    expect(innerCoreSize(tester).width, closeTo(62.r, 0.5));
+  });
+
+  testWidgets('failed start rolls morph back to idle circle', (tester) async {
+    await pumpButton(
+      tester,
+      isRecording: false,
+      isStartingRecording: true,
+    );
+    await tester.pump(morphDuration);
+    await tester.pump();
+
+    expect(innerCoreSize(tester).width, closeTo(22.r, 0.5));
+
+    await pumpButton(tester, isRecording: false, isStartingRecording: false);
+    await tester.pump(morphDuration);
+    await tester.pump();
+
+    expect(innerCoreSize(tester).width, closeTo(62.r, 0.5));
+  });
+}

test/features/recording/widget_recording_hud_test.dart

@@ -0,0 +1,166 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:recording_tool/features/recording/widgets/widget_recording_hud.dart';
+
+void main() {
+  Future<void> pumpHud(
+    WidgetTester tester, {
+    double zoomRatio = 1.0,
+    double minZoomRatio = 1.0,
+    double maxZoomRatio = 3.0,
+    bool isRecording = false,
+    ValueChanged<double>? onZoomSelected,
+  }) async {
+    await tester.pumpWidget(
+      ScreenUtilInit(
+        designSize: const Size(375, 812),
+        builder: (context, _) {
+          return MaterialApp(
+            home: Scaffold(
+              backgroundColor: Colors.black,
+              body: RecordingHudWidget(
+                hasDndAccess: true,
+                isBatteryOptimizedIgnored: true,
+                notificationsGranted: true,
+                isRecording: isRecording,
+                isStartingRecording: false,
+                isTouchLocked: false,
+                zoomRatio: zoomRatio,
+                minZoomRatio: minZoomRatio,
+                maxZoomRatio: maxZoomRatio,
+                onStart: () async {},
+                onStop: () async {},
+                onOpenDnd: () {},
+                onOpenBattery: () {},
+                onToggleTouchLock: () {},
+                onZoomSelected: onZoomSelected ?? (_) {},
+              ),
+            ),
+          );
+        },
+      ),
+    );
+    await tester.pump();
+  }
+
+  testWidgets('shows preset zoom buttons', (tester) async {
+    await pumpHud(tester);
+
+    expect(find.text('0.5x'), findsNothing);
+    expect(find.text('0.6x'), findsNothing);
+    expect(find.text('1x'), findsOneWidget);
+    expect(find.text('2x'), findsNothing);
+    expect(find.text('3x'), findsNothing);
+  });
+
+  testWidgets('shows 0.6x when ultra-wide camera capability is below 0.6', (
+    tester,
+  ) async {
+    await pumpHud(tester, minZoomRatio: 0.5);
+
+    expect(find.text('0.5x'), findsNothing);
+    expect(find.text('0.6x'), findsOneWidget);
+    expect(find.text('1x'), findsOneWidget);
+    expect(find.text('2x'), findsNothing);
+    expect(find.text('3x'), findsNothing);
+  });
+
+  testWidgets('shows 0.6x when 0.6x camera capability supports it', (
+    tester,
+  ) async {
+    await pumpHud(tester, minZoomRatio: 0.6);
+
+    expect(find.text('0.6x'), findsOneWidget);
+    expect(find.text('1x'), findsOneWidget);
+  });
+
+  testWidgets('marks current ultra-wide zoom ratio as selected on 0.6x UI', (
+    tester,
+  ) async {
+    await pumpHud(tester, zoomRatio: 0.5, minZoomRatio: 0.5);
+
+    final selectedButton = tester.widget<TextButton>(
+      find.ancestor(of: find.text('0.6x'), matching: find.byType(TextButton)),
+    );
+    expect(selectedButton.enabled, isFalse);
+  });
+
+  testWidgets('marks current 0.6x zoom ratio as selected', (tester) async {
+    await pumpHud(tester, zoomRatio: 0.6, minZoomRatio: 0.6);
+
+    final selectedButton = tester.widget<TextButton>(
+      find.ancestor(of: find.text('0.6x'), matching: find.byType(TextButton)),
+    );
+    expect(selectedButton.enabled, isFalse);
+  });
+
+  testWidgets('does not expose presets beyond max zoom ratio', (tester) async {
+    await pumpHud(tester, minZoomRatio: 0.5, maxZoomRatio: 0.55);
+
+    expect(find.text('0.6x'), findsNothing);
+    expect(find.text('1x'), findsNothing);
+  });
+
+  testWidgets('tapping 0.6x reports 0.6 when camera capability is below 0.6', (
+    tester,
+  ) async {
+    double? selected;
+    await pumpHud(
+      tester,
+      minZoomRatio: 0.5,
+      onZoomSelected: (ratio) => selected = ratio,
+    );
+
+    await tester.tap(find.text('0.6x'));
+    await tester.pump();
+
+    expect(selected, 0.6);
+  });
+
+  testWidgets('tapping 0.6x reports 0.6 when camera only supports 0.6x', (
+    tester,
+  ) async {
+    double? selected;
+    await pumpHud(
+      tester,
+      minZoomRatio: 0.6,
+      onZoomSelected: (ratio) => selected = ratio,
+    );
+
+    await tester.tap(find.text('0.6x'));
+    await tester.pump();
+
+    expect(selected, 0.6);
+  });
+
+  testWidgets('disables 0.6x while recording on main camera', (tester) async {
+    await pumpHud(tester, minZoomRatio: 0.5, isRecording: true);
+
+    final ultraWideButton = tester.widget<TextButton>(
+      find.ancestor(of: find.text('0.6x'), matching: find.byType(TextButton)),
+    );
+    final mainButton = tester.widget<TextButton>(
+      find.ancestor(of: find.text('1x'), matching: find.byType(TextButton)),
+    );
+
+    expect(ultraWideButton.enabled, isFalse);
+    expect(mainButton.enabled, isFalse);
+  });
+
+  testWidgets('disables main zoom presets while recording on ultra-wide', (
+    tester,
+  ) async {
+    await pumpHud(tester, zoomRatio: 0.5, minZoomRatio: 0.5, isRecording: true);
+
+    final ultraWideButton = tester.widget<TextButton>(
+      find.ancestor(of: find.text('0.6x'), matching: find.byType(TextButton)),
+    );
+    final mainButton = tester.widget<TextButton>(
+      find.ancestor(of: find.text('1x'), matching: find.byType(TextButton)),
+    );
+
+    expect(ultraWideButton.enabled, isFalse);
+    expect(mainButton.enabled, isFalse);
+  });
+}

test/features/recording/widget_recording_touch_lock_overlay_test.dart

@@ -0,0 +1,126 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:recording_tool/features/recording/widgets/widget_recording_touch_lock_overlay.dart';
+
+void main() {
+  group('resolveRecordingTouchLockUnlockIntent', () {
+    test('returns stopRecording for portrait bottom 30 percent', () {
+      final intent = resolveRecordingTouchLockUnlockIntent(
+        position: const Offset(120, 466.9),
+        size: const Size(375, 667),
+      );
+
+      expect(intent, RecordingTouchLockUnlockIntent.stopRecording);
+    });
+
+    test('returns unlockOnly for portrait area outside bottom 30 percent', () {
+      final intent = resolveRecordingTouchLockUnlockIntent(
+        position: const Offset(120, 320),
+        size: const Size(375, 667),
+      );
+
+      expect(intent, RecordingTouchLockUnlockIntent.unlockOnly);
+    });
+
+    test('returns stopRecording for landscape right 30 percent', () {
+      final intent = resolveRecordingTouchLockUnlockIntent(
+        position: const Offset(466.9, 120),
+        size: const Size(667, 375),
+      );
+
+      expect(intent, RecordingTouchLockUnlockIntent.stopRecording);
+    });
+
+    test('returns unlockOnly for landscape area outside right 30 percent', () {
+      final intent = resolveRecordingTouchLockUnlockIntent(
+        position: const Offset(320, 120),
+        size: const Size(667, 375),
+      );
+
+      expect(intent, RecordingTouchLockUnlockIntent.unlockOnly);
+    });
+  });
+
+  group('RecordingTouchLockOverlayWidget', () {
+    Future<void> pumpOverlay(
+      WidgetTester tester, {
+      required Size surfaceSize,
+      required ValueChanged<RecordingTouchLockUnlockIntent> onUnlocked,
+    }) async {
+      await tester.binding.setSurfaceSize(surfaceSize);
+      addTearDown(() => tester.binding.setSurfaceSize(null));
+
+      await tester.pumpWidget(
+        ScreenUtilInit(
+          designSize: const Size(375, 812),
+          builder: (context, _) {
+            return MaterialApp(
+              home: Scaffold(
+                body: Stack(
+                  children: [
+                    RecordingTouchLockOverlayWidget(
+                      enabled: true,
+                      unlockHoldDuration: const Duration(seconds: 2),
+                      onUnlocked: onUnlocked,
+                    ),
+                  ],
+                ),
+              ),
+            );
+          },
+        ),
+      );
+    }
+
+    testWidgets('long press in portrait bottom 30 percent stops recording', (
+      tester,
+    ) async {
+      RecordingTouchLockUnlockIntent? receivedIntent;
+      await pumpOverlay(
+        tester,
+        surfaceSize: const Size(375, 667),
+        onUnlocked: (intent) => receivedIntent = intent,
+      );
+
+      final gesture = await tester.startGesture(const Offset(120, 600));
+      await tester.pump(const Duration(seconds: 2));
+      await gesture.up();
+
+      expect(receivedIntent, RecordingTouchLockUnlockIntent.stopRecording);
+    });
+
+    testWidgets('long press outside stop area only unlocks', (tester) async {
+      RecordingTouchLockUnlockIntent? receivedIntent;
+      await pumpOverlay(
+        tester,
+        surfaceSize: const Size(375, 667),
+        onUnlocked: (intent) => receivedIntent = intent,
+      );
+
+      final gesture = await tester.startGesture(const Offset(120, 320));
+      await tester.pump(const Duration(seconds: 2));
+      await gesture.up();
+
+      expect(receivedIntent, RecordingTouchLockUnlockIntent.unlockOnly);
+    });
+
+    testWidgets('releasing before hold duration does not unlock', (
+      tester,
+    ) async {
+      RecordingTouchLockUnlockIntent? receivedIntent;
+      await pumpOverlay(
+        tester,
+        surfaceSize: const Size(375, 667),
+        onUnlocked: (intent) => receivedIntent = intent,
+      );
+
+      final gesture = await tester.startGesture(const Offset(120, 600));
+      await tester.pump(const Duration(milliseconds: 1500));
+      await gesture.up();
+      await tester.pump(const Duration(seconds: 1));
+
+      expect(receivedIntent, isNull);
+    });
+  });
+}

test/widget_test.dart

@@ -3,6 +3,7 @@ import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:recording_tool/app/app.dart';
+import 'package:recording_tool/features/recording/widgets/widget_recording_button.dart';
 
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
@@ -40,11 +41,11 @@ void main() {
   testWidgets('recording app renders recording page', (tester) async {
     await pumpRecordingApp(tester);
 
-    final recordIcon = find.byIcon(Icons.fiber_manual_record);
+    final recordButton = find.byType(RecordingControlButton);
 
-    expect(recordIcon, findsOneWidget);
+    expect(recordButton, findsOneWidget);
     expect(
-      tester.getCenter(recordIcon).dx,
+      tester.getCenter(recordButton).dx,
       closeTo(tester.getCenter(find.byType(Scaffold)).dx, 0.5),
     );
   });
@@ -56,7 +57,7 @@ void main() {
 
     await pumpRecordingApp(tester);
 
-    expect(find.text('粘贴赛事信息'), findsOneWidget);
+    expect(find.text('粘贴选手信息'), findsOneWidget);
   });
 
   testWidgets('pastes valid event info from clipboard', (tester) async {
@@ -65,11 +66,10 @@ void main() {
     await pumpRecordingApp(tester);
 
     clipboardText = validClipboardText;
-    await tester.tap(find.text('粘贴赛事信息'));
-    await tester.pump(const Duration(milliseconds: 500));
+    await tester.tap(find.text('粘贴选手信息'));
+    await tester.pump(const Duration(milliseconds: 700));
 
     expect(find.text('王东方 丨李想 空中格斗赛'), findsOneWidget);
-    expect(find.text('粘贴赛事信息'), findsNothing);
   });
 
   testWidgets('shows no event info toast when pasted clipboard is invalid', (
@@ -80,7 +80,7 @@ void main() {
     await pumpRecordingApp(tester);
 
     clipboardText = 'hello';
-    await tester.tap(find.text('粘贴赛事信息'));
+    await tester.tap(find.text('粘贴选手信息'));
     await tester.pump();
 
     expect(find.text('王东方 丨李想 空中格斗赛'), findsNothing);