更新超广角相机的变焦比例，确保在相机能力允许的情况下使用0.6x的缩放比例，优化相关UI和测试用例。

.gitignore

@@ -19,7 +19,6 @@ 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/src/main/kotlin/com/dronex/rec/MainActivity.kt

@@ -114,7 +114,6 @@ 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/RecordingCameraController.kt

@@ -1,7 +1,10 @@
 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
@@ -15,6 +18,7 @@ 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(
@@ -26,6 +30,10 @@ class RecordingCameraController(
     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
@@ -63,14 +71,8 @@ class RecordingCameraController(
                                         .build()
                         videoCapture = VideoCapture.withOutput(recorder)
 
-                        provider.unbindAll()
-                        camera =
-                                provider.bindToLifecycle(
-                                        lifecycleOwner,
-                                        CameraSelector.DEFAULT_BACK_CAMERA,
-                                        preview,
-                                        videoCapture,
-                                )
+                        discoverBackCameras(provider)
+                        bindUseCases(provider, lifecycleOwner, selectorForCurrentLensMode())
                         applyCurrentZoom()
 
                         updateStatus(RecordingStatus(RecordingState.PREVIEWING))
@@ -112,14 +114,7 @@ class RecordingCameraController(
 
         try {
             boundLifecycleOwner = lifecycleOwner
-            provider.unbindAll()
-            camera =
-                    provider.bindToLifecycle(
-                            lifecycleOwner,
-                            CameraSelector.DEFAULT_BACK_CAMERA,
-                            preview,
-                            videoCapture,
-                    )
+            bindUseCases(provider, lifecycleOwner, selectorForCurrentLensMode())
             applyCurrentZoom()
             onReady(true)
         } catch (error: Exception) {
@@ -230,9 +225,19 @@ class RecordingCameraController(
 
     fun zoomCapabilitiesMap(): Map<String, Any> {
         val zoomState = camera?.cameraInfo?.zoomState?.value
-        val minZoom = zoomState?.minZoomRatio ?: 1f
+        val minZoom =
+                if (hasUltraWideCamera()) {
+                    ultraWideZoomRatio
+                } else {
+                    zoomState?.minZoomRatio ?: 1f
+                }
         val maxZoom = zoomState?.maxZoomRatio ?: 3f
-        val zoom = (zoomState?.zoomRatio ?: currentZoomRatio).coerceIn(minZoom, maxZoom)
+        val zoom =
+                if (currentLensMode == LensMode.ULTRA_WIDE) {
+                    ultraWideZoomRatio
+                } else {
+                    (zoomState?.zoomRatio ?: currentZoomRatio).coerceIn(minZoom, maxZoom)
+                }
         currentZoomRatio = zoom
         return mapOf(
                 "zoomRatio" to zoom.toDouble(),
@@ -247,12 +252,27 @@ class RecordingCameraController(
     ) {
         val boundCamera = camera
         if (boundCamera == null) {
-            val clamped = ratio.toFloat().coerceAtLeast(1f)
+            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()
@@ -283,7 +303,9 @@ class RecordingCameraController(
         videoCapture = null
         camera = null
         boundLifecycleOwner = null
+        currentLensMode = LensMode.MAIN
         currentZoomRatio = 1f
+        ultraWideZoomRatio = DEFAULT_ULTRA_WIDE_ZOOM_RATIO
         updateStatus(RecordingStatus(RecordingState.IDLE))
     }
 
@@ -299,6 +321,11 @@ class RecordingCameraController(
 
     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()
@@ -310,7 +337,234 @@ class RecordingCameraController(
         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
+        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
+        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
+        private const val ULTRA_WIDE_FOV_FACTOR = 1.08
+        private const val ULTRA_WIDE_FOCAL_FACTOR = 0.92
     }
 }

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

@@ -190,15 +190,15 @@ class RecordingPlatformHandler(
     }
 
     private fun deliverStopResult(result: MethodChannel.Result, path: String?) {
-        val fileSaved = path != null && controller.status.state != RecordingState.ERROR
+        val gallerySaved = path != null && controller.status.state != RecordingState.ERROR
         val payload =
                 mutableMapOf<String, Any?>(
                         "outputPath" to path,
                         "status" to controller.status.toMap(),
-                        "fileSaved" to fileSaved,
+                        "gallerySaved" to gallerySaved,
                 )
-        if (!fileSaved) {
-            payload["fileErrorMessage"] = controller.status.message ?: "保存到文件夹失败"
+        if (!gallerySaved) {
+            payload["galleryErrorMessage"] = controller.status.message ?: "保存到相册失败"
         }
         result.success(payload)
     }

clean.sh

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

ios/Flutter/Debug.xcconfig

@@ -1,3 +1,2 @@
 #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

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

ios/Podfile

@@ -45,34 +45,9 @@ 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

@@ -43,6 +43,6 @@ SPEC CHECKSUMS:
   sqflite_darwin: 20b2a3a3b70e43edae938624ce550a3cbf66a3d0
   url_launcher_ios: 7a95fa5b60cc718a708b8f2966718e93db0cef1b
 
-PODFILE CHECKSUM: 858401fbd980bedce6ecd2f9b429bf271f11f74b
+PODFILE CHECKSUM: 5a82b772179df87e6518bddc6f9bb8b4053ce48b
 
 COCOAPODS: 1.16.2

ios/Runner.xcodeproj/project.pbxproj

@@ -344,10 +344,14 @@
 			inputFileListPaths = (
 				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks-${CONFIGURATION}-input-files.xcfilelist",
 			);
+			inputPaths = (
+			);
 			name = "[CP] Embed Pods Frameworks";
 			outputFileListPaths = (
 				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks-${CONFIGURATION}-output-files.xcfilelist",
 			);
+			outputPaths = (
+			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
 			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh\"\n";
@@ -376,10 +380,14 @@
 			inputFileListPaths = (
 				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources-${CONFIGURATION}-input-files.xcfilelist",
 			);
+			inputPaths = (
+			);
 			name = "[CP] Copy Pods Resources";
 			outputFileListPaths = (
 				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources-${CONFIGURATION}-output-files.xcfilelist",
 			);
+			outputPaths = (
+			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
 			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources.sh\"\n";

ios/Runner/Info.plist

@@ -30,10 +30,8 @@
 	<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>UIFileSharingEnabled</key>
-	<true/>
-	<key>LSSupportsOpeningDocumentsInPlace</key>
-	<true/>
+	<key>NSPhotoLibraryAddUsageDescription</key>
+	<string>需要将录制的视频保存到相册。</string>
 	<key>UIApplicationSceneManifest</key>
 	<dict>
 		<key>UIApplicationSupportsMultipleScenes</key>

ios/Runner/RecordingPlugin.swift

@@ -1,5 +1,6 @@
 import AVFoundation
 import Flutter
+import Photos
 import UIKit
 
 private enum RecordingState: String {
@@ -109,8 +110,8 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
   private var audioInput: AVCaptureDeviceInput?
   private var configured = false
   private var latestOutputPath: String?
-  private var latestFileSaved = true
-  private var latestFileErrorMessage: String?
+  private var latestGallerySaved = true
+  private var latestGalleryErrorMessage: String?
   private var pendingDisplayName: String?
   private var recordingStartedAt: Date?
   private var elapsedTimer: Timer?
@@ -215,10 +216,10 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
         }
 
         self.pendingDisplayName = displayName
-        self.latestFileSaved = true
-        self.latestFileErrorMessage = nil
+        self.latestGallerySaved = true
+        self.latestGalleryErrorMessage = nil
         let outputURL = try self.createOutputURL(displayName: displayName)
-        self.latestOutputPath = outputURL.path
+        self.latestOutputPath = outputURL.lastPathComponent
         self.recordingStartedAt = Date()
         self.updateStatus(RecordingStatus(state: .recording, outputPath: outputURL.path))
         self.movieOutput.startRecording(to: outputURL, recordingDelegate: self)
@@ -254,11 +255,11 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
           var payload: [String: Any] = [
             "outputPath": self.latestOutputPath as Any,
             "status": self.currentStatusMap(),
-            "fileSaved": self.latestFileSaved,
+            "gallerySaved": self.latestGallerySaved,
           ]
-          if !self.latestFileSaved {
-            payload["fileErrorMessage"] =
-              self.latestFileErrorMessage ?? "保存到文件夹失败"
+          if !self.latestGallerySaved {
+            payload["galleryErrorMessage"] =
+              self.latestGalleryErrorMessage ?? "保存到相册失败"
           }
           result(payload)
         }
@@ -369,8 +370,8 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
     pendingStopResult = nil
 
     if let error {
-      latestFileSaved = false
-      latestFileErrorMessage = error.localizedDescription
+      latestGallerySaved = false
+      latestGalleryErrorMessage = error.localizedDescription
       updateStatus(
         RecordingStatus(
           state: .error, outputPath: latestOutputPath, message: error.localizedDescription))
@@ -378,30 +379,29 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
       return
     }
 
-    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
-        )
-      )
-      finishStopRecording(stopResult: stopResult)
-      return
-    }
-    updateStatus(
+    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: latestOutputPath,
-        elapsedMillis: elapsedMillis()
+            outputPath: self.latestOutputPath,
+            elapsedMillis: self.elapsedMillis()
           )
         )
-    finishStopRecording(stopResult: stopResult)
+      } else {
+        self.updateStatus(
+          RecordingStatus(
+            state: .error,
+            outputPath: self.latestOutputPath,
+            message: message ?? "保存到相册失败"
+          )
+        )
+      }
+      self.finishStopRecording(stopResult: stopResult)
+    }
   }
 
   private func finishStopRecording(stopResult: FlutterResult?) {
@@ -411,16 +411,68 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
       var payload: [String: Any] = [
         "outputPath": self.latestOutputPath as Any,
         "status": self.currentStatusMap(),
-        "fileSaved": self.latestFileSaved,
+        "gallerySaved": self.latestGallerySaved,
       ]
-      if !self.latestFileSaved {
-        payload["fileErrorMessage"] =
-          self.latestFileErrorMessage ?? "保存到文件夹失败，请检查文件保存权限"
+      if !self.latestGallerySaved {
+        payload["galleryErrorMessage"] =
+          self.latestGalleryErrorMessage ?? "保存到相册失败，请开启相册权限"
       }
       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)
@@ -532,30 +584,7 @@ private final class RecordingCameraController: NSObject, AVCaptureFileOutputReco
     try FileManager.default.createDirectory(at: recordingsURL, withIntermediateDirectories: true)
 
     let fileName = Self.resolveFileName(displayName: displayName)
-    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
+    return recordingsURL.appendingPathComponent(fileName)
   }
 
   private static func resolveFileName(displayName: String?) -> String {
@@ -573,13 +602,6 @@ 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
   }

lib/features/recording/model/model_recording_session.dart

@@ -18,7 +18,7 @@ class RecordingSessionState {
     this.lastSavedDisplayName,
     this.errorMessage,
     this.permissionWarning,
-    this.fileSaveFailed = false,
+    this.gallerySaveFailed = false,
   });
 
   final RecordingStatus status;
@@ -36,7 +36,7 @@ class RecordingSessionState {
   final String? lastSavedDisplayName;
   final String? errorMessage;
   final String? permissionWarning;
-  final bool fileSaveFailed;
+  final bool gallerySaveFailed;
 
   bool get isRecording => status.isRecording;
 
@@ -64,7 +64,7 @@ class RecordingSessionState {
     String? lastSavedDisplayName,
     String? errorMessage,
     String? permissionWarning,
-    bool? fileSaveFailed,
+    bool? gallerySaveFailed,
     bool clearPermissionWarning = false,
     bool clearLastSaved = false,
   }) {
@@ -89,7 +89,7 @@ class RecordingSessionState {
       permissionWarning: clearPermissionWarning
           ? null
           : (permissionWarning ?? this.permissionWarning),
-      fileSaveFailed: fileSaveFailed ?? this.fileSaveFailed,
+      gallerySaveFailed: gallerySaveFailed ?? this.gallerySaveFailed,
     );
   }
 }

lib/features/recording/pages/page_record.dart

@@ -172,8 +172,8 @@ class _RecordingPageState extends ConsumerState<RecordingPage> {
     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');
+    if (latest.gallerySaveFailed) {
+      AppToast.show(latest.errorMessage ?? '保存到相册失败，请开启相册权限');
       return;
     }
     await _showRecordingSavedDialogIfNeeded();
@@ -190,7 +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.fileSaveFailed) {
+    if (session.lastSavedDisplayName == null || session.gallerySaveFailed) {
       return;
     }
 

lib/features/recording/platform/recording_platform.dart

@@ -205,14 +205,14 @@ class RecordingStopResult {
   const RecordingStopResult({
     this.outputPath,
     required this.status,
-    this.fileSaved = true,
-    this.fileErrorMessage,
+    this.gallerySaved = true,
+    this.galleryErrorMessage,
   });
 
   final String? outputPath;
   final RecordingStatus status;
-  final bool fileSaved;
-  final String? fileErrorMessage;
+  final bool gallerySaved;
+  final String? galleryErrorMessage;
 
   factory RecordingStopResult.fromMap(Map<String, dynamic>? result) {
     return RecordingStopResult(
@@ -220,8 +220,8 @@ class RecordingStopResult {
       status: RecordingStatus.fromMap(
         Map<dynamic, dynamic>.from(result?['status'] as Map? ?? const {}),
       ),
-      fileSaved: result?['fileSaved'] as bool? ?? true,
-      fileErrorMessage: result?['fileErrorMessage'] as String?,
+      gallerySaved: result?['gallerySaved'] as bool? ?? true,
+      galleryErrorMessage: result?['galleryErrorMessage'] as String?,
     );
   }
 }

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

@@ -7,7 +7,6 @@ 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';
@@ -32,19 +31,15 @@ enum ClipboardReadResult {
   invalid,
 }
 
-List<Permission> recordingFileSavePermissionsForHost({
+List<Permission> recordingGalleryPermissionsForHost({
   required bool isIOS,
   required bool isAndroid,
-  int? androidSdkInt,
 }) {
   if (isIOS) {
-    return const [];
+    return [Permission.photosAddOnly];
   }
   if (isAndroid) {
-    if (androidSdkInt != null && androidSdkInt >= 29) {
-      return const [];
-    }
-    return [Permission.storage];
+    return [Permission.videos, Permission.storage];
   }
   return const [];
 }
@@ -149,12 +144,11 @@ class RecordingViewModel extends Notifier<RecordingModel> {
       return;
     }
 
-    final fileSavePermissions = await _fileSavePermissions();
     final permissions = await PermissionService.requestMissing([
       Permission.camera,
       Permission.microphone,
       if (Platform.isAndroid) Permission.notification,
-      ...fileSavePermissions,
+      ..._galleryPermissions(),
     ]);
 
     final cameraGranted = permissions[Permission.camera]?.isGranted ?? false;
@@ -176,8 +170,8 @@ 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 (!_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');
+    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');
     }
 
     final hasDnd = await RecordingPlatform.hasNotificationPolicyAccess();
@@ -266,36 +260,24 @@ class RecordingViewModel extends Notifier<RecordingModel> {
     }
   }
 
-  /// 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) {
-      try {
-        androidSdkInt = int.tryParse(
-          (await AppPlatformInfo.deviceInfo()).values['sdkInt'] ?? '',
-        );
-      } on PlatformException {
-        androidSdkInt = null;
-      }
-    }
-    return recordingFileSavePermissionsForHost(
+  /// 当前平台所需的相册/视频保存权限列表。
+  List<Permission> _galleryPermissions() {
+    return recordingGalleryPermissionsForHost(
       isIOS: Platform.isIOS,
       isAndroid: Platform.isAndroid,
-      androidSdkInt: androidSdkInt,
     );
   }
 
-  /// 判断文件保存相关权限是否至少有一项已授予。
-  bool _isFileSavePermissionGranted(
+  /// 判断相册相关权限是否至少有一项已授予。
+  bool _isGalleryPermissionGranted(
     Map<Permission, PermissionStatus> permissions,
-    List<Permission> fileSavePermissions,
   ) {
-    for (final permission in fileSavePermissions) {
+    for (final permission in _galleryPermissions()) {
       if (permissions[permission]?.isGranted ?? false) {
         return true;
       }
     }
-    return fileSavePermissions.isEmpty;
+    return _galleryPermissions().isEmpty;
   }
 
   /// 检测并尝试申请相机、麦克风权限，同步更新 session 中的 isMicrophoneGranted。
@@ -399,7 +381,7 @@ class RecordingViewModel extends Notifier<RecordingModel> {
           lastOutputPath: result.outputPath,
           isTouchLocked: true,
           errorMessage: null,
-          fileSaveFailed: false,
+          gallerySaveFailed: false,
           clearLastSaved: true,
         ),
       );
@@ -412,13 +394,13 @@ class RecordingViewModel extends Notifier<RecordingModel> {
     }
   }
 
-  /// 停止录制、保存到文件夹，并恢复相机预览。
+  /// 停止录制、保存到相册，并恢复相机预览。
   Future<void> stopRecording() async {
     if (!state.session.isRecording) return;
 
     try {
       final result = await RecordingPlatform.stopRecording();
-      final fileFailed = !result.fileSaved;
+      final galleryFailed = !result.gallerySaved;
       final savedName = recordingFileNameForPlatform(
         state.clipboardRecordingModel.filename,
       );
@@ -426,11 +408,11 @@ class RecordingViewModel extends Notifier<RecordingModel> {
         (s) => s.copyWith(
           status: result.status,
           lastOutputPath: result.outputPath ?? s.lastOutputPath,
-          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')
+          lastSavedDisplayName: galleryFailed ? null : savedName,
+          errorMessage: galleryFailed
+              ? (result.galleryErrorMessage ?? '保存到相册失败，请开启相册权限')
               : null,
-          fileSaveFailed: fileFailed,
+          gallerySaveFailed: galleryFailed,
         ),
       );
     } on PlatformException catch (error) {

lib/features/recording/widgets/widget_recording_hud.dart

@@ -56,7 +56,7 @@ class RecordingHudWidget extends StatelessWidget {
   static double get _recordButtonBottom => 63.r;
   static double get _overlayInfoLeft => 13.r;
   static double get _overlayInfoBottom => 10.r;
-  static const List<double> _zoomPresets = [1.0, 2.0, 3.0];
+  static const List<double> _zoomPresets = [0.6, 1.0];
 
   @override
   Widget build(BuildContext context) {
@@ -146,6 +146,7 @@ class RecordingHudWidget extends StatelessWidget {
           right: 16.r,
           bottom: _recordButtonBottom + _recordButtonSize + 14.h,
           child: _ZoomPresetControl(
+            isRecording: isRecording,
             zoomRatio: zoomRatio,
             minZoomRatio: minZoomRatio,
             maxZoomRatio: maxZoomRatio,
@@ -194,6 +195,7 @@ class RecordingHudWidget extends StatelessWidget {
 
 class _ZoomPresetControl extends StatelessWidget {
   const _ZoomPresetControl({
+    required this.isRecording,
     required this.zoomRatio,
     required this.minZoomRatio,
     required this.maxZoomRatio,
@@ -201,6 +203,7 @@ class _ZoomPresetControl extends StatelessWidget {
     required this.onSelected,
   });
 
+  final bool isRecording;
   final double zoomRatio;
   final double minZoomRatio;
   final double maxZoomRatio;
@@ -210,7 +213,7 @@ class _ZoomPresetControl extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final availablePresets = presets
-        .where((preset) => preset >= minZoomRatio && preset <= maxZoomRatio)
+        .where(_isPresetAvailable)
         .toList(growable: false);
 
     if (availablePresets.isEmpty) {
@@ -230,8 +233,10 @@ class _ZoomPresetControl extends StatelessWidget {
           children: [
             for (final preset in availablePresets)
               _ZoomPresetButton(
-                ratio: preset,
-                selected: (zoomRatio - preset).abs() < 0.05,
+                displayRatio: preset,
+                requestRatio: preset,
+                selected: _isPresetSelected(preset),
+                enabled: !_wouldSwitchPhysicalCamera(preset),
                 onSelected: onSelected,
               ),
           ],
@@ -239,17 +244,44 @@ class _ZoomPresetControl extends StatelessWidget {
       ),
     );
   }
+
+  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.ratio,
+    required this.displayRatio,
+    required this.requestRatio,
     required this.selected,
+    required this.enabled,
     required this.onSelected,
   });
 
-  final double ratio;
+  final double displayRatio;
+  final double requestRatio;
   final bool selected;
+  final bool enabled;
   final ValueChanged<double> onSelected;
 
   @override
@@ -257,7 +289,7 @@ class _ZoomPresetButton extends StatelessWidget {
     return Padding(
       padding: EdgeInsets.symmetric(horizontal: 1.r),
       child: TextButton(
-        onPressed: selected ? null : () => onSelected(ratio),
+        onPressed: selected || !enabled ? null : () => onSelected(requestRatio),
         style: TextButton.styleFrom(
           minimumSize: Size(38.r, 32.r),
           padding: EdgeInsets.zero,
@@ -271,7 +303,7 @@ class _ZoomPresetButton extends StatelessWidget {
           ),
         ),
         child: Text(
-          '${ratio.toStringAsFixed(0)}x',
+          '${_formatZoomRatio(displayRatio)}x',
           style: TextStyle(
             fontSize: 13.sp,
             fontWeight: FontWeight.w700,
@@ -281,4 +313,11 @@ class _ZoomPresetButton extends StatelessWidget {
       ),
     );
   }
+
+  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';
 
-/// 录制结束并保存到文件夹后的后续操作弹窗。
+/// 录制结束并保存到相册后的后续操作弹窗。
 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文件夹\n请选择后续录制信息',
+    title: '本轮比赛视频已保存到相册\n请选择后续录制信息',
     leftText: '继续本轮',
     rightText: '录制新轮',
     onLeftPressed: onContinueRound,

test/core/permission/permission_service_test.dart

@@ -71,7 +71,7 @@ void main() {
   });
 
   group('iOS permission configuration', () {
-    test('Podfile enables camera and microphone permission macros only', () {
+    test('Podfile enables camera, microphone and photos permission macros', () {
       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, isNot(contains("'PERMISSION_PHOTOS=1'")));
-      expect(podfile, isNot(contains("'PERMISSION_PHOTOS_ADD_ONLY=1'")));
+      expect(podfile, contains("'PERMISSION_PHOTOS=1'"));
+      expect(podfile, 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文件夹\n请选择后续录制信息',
+                title: '本轮比赛视频已保存到相册\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文件夹\n请选择后续录制信息'), findsOneWidget);
+    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('继续本轮'), findsOneWidget);
     expect(find.text('录制新轮'), findsOneWidget);
   });

test/features/recording/recording_platform_test.dart

@@ -18,20 +18,4 @@ 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

@@ -2,6 +2,7 @@ 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';
 
@@ -75,6 +76,83 @@ void main() {
       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
@@ -98,6 +176,37 @@ void main() {
       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 {
@@ -125,37 +234,24 @@ void main() {
     );
   });
 
-  group('recordingFileSavePermissionsForHost', () {
-    test('does not request photo permission on iOS', () {
-      final permissions = recordingFileSavePermissionsForHost(
+  group('recordingGalleryPermissionsForHost', () {
+    test('requests only add-only photo permission on iOS', () {
+      final permissions = recordingGalleryPermissionsForHost(
         isIOS: true,
         isAndroid: false,
       );
 
-      expect(permissions, isEmpty);
-      expect(permissions, isNot(contains(Permission.photosAddOnly)));
+      expect(permissions, <Permission>[Permission.photosAddOnly]);
       expect(permissions, isNot(contains(Permission.photos)));
     });
 
-    test('requests storage permission on Android 9 and below', () {
-      final permissions = recordingFileSavePermissionsForHost(
+    test('keeps Android gallery permissions unchanged', () {
+      final permissions = recordingGalleryPermissionsForHost(
         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);
+      expect(permissions, <Permission>[Permission.videos, Permission.storage]);
     });
   });
 

test/features/recording/widget_recording_hud_test.dart

@@ -9,6 +9,7 @@ void main() {
     double zoomRatio = 1.0,
     double minZoomRatio = 1.0,
     double maxZoomRatio = 3.0,
+    bool isRecording = false,
     ValueChanged<double>? onZoomSelected,
   }) async {
     await tester.pumpWidget(
@@ -22,7 +23,7 @@ void main() {
                 hasDndAccess: true,
                 isBatteryOptimizedIgnored: true,
                 notificationsGranted: true,
-                isRecording: false,
+                isRecording: isRecording,
                 isStartingRecording: false,
                 isTouchLocked: false,
                 zoomRatio: zoomRatio,
@@ -46,35 +47,120 @@ void main() {
   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'), findsOneWidget);
-    expect(find.text('3x'), findsOneWidget);
+    expect(find.text('2x'), findsNothing);
+    expect(find.text('3x'), findsNothing);
   });
 
-  testWidgets('marks current zoom ratio as selected', (tester) async {
-    await pumpHud(tester, zoomRatio: 2.0);
+  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('2x'), matching: find.byType(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, maxZoomRatio: 2.0);
+    await pumpHud(tester, minZoomRatio: 0.5, maxZoomRatio: 0.55);
 
-    expect(find.text('1x'), findsOneWidget);
-    expect(find.text('2x'), findsOneWidget);
-    expect(find.text('3x'), findsNothing);
+    expect(find.text('0.6x'), findsNothing);
+    expect(find.text('1x'), findsNothing);
   });
 
-  testWidgets('tapping zoom preset reports selected ratio', (tester) async {
+  testWidgets('tapping 0.6x reports 0.6 when camera capability is below 0.6', (
+    tester,
+  ) async {
     double? selected;
-    await pumpHud(tester, onZoomSelected: (ratio) => selected = ratio);
+    await pumpHud(
+      tester,
+      minZoomRatio: 0.5,
+      onZoomSelected: (ratio) => selected = ratio,
+    );
 
-    await tester.tap(find.text('2x'));
+    await tester.tap(find.text('0.6x'));
     await tester.pump();
 
-    expect(selected, 2.0);
+    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);
   });
 }