1.开始录制、结束录制增加

2. 增加电量检测、内存检查，是否低于 10%

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

@@ -1,7 +1,11 @@
 package com.qxy.dronex
 
+import android.content.Context
 import android.content.pm.ApplicationInfo
+import android.os.BatteryManager
 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
@@ -33,6 +37,7 @@ class MainActivity : FlutterActivity() {
                                 when (call.method) {
                                     "packageInfo" -> result.success(packageInfoMap())
                                     "deviceInfo" -> result.success(deviceInfoMap())
+                                    "deviceHealth" -> result.success(deviceHealthMap())
                                     else -> result.notImplemented()
                                 }
                             }
@@ -112,4 +117,29 @@ class MainActivity : FlutterActivity() {
                 "isPhysicalDevice" to !isEmulator,
         )
     }
+
+    private fun deviceHealthMap(): Map<String, Any?> {
+        val batteryLevelPercent = readBatteryLevelPercent()
+        val storageAvailablePercent = readStorageAvailablePercent()
+        return mapOf(
+                "batteryLevelPercent" to batteryLevelPercent,
+                "storageAvailablePercent" to storageAvailablePercent,
+        )
+    }
+
+    private fun readBatteryLevelPercent(): Int? {
+        val batteryManager = getSystemService(Context.BATTERY_SERVICE) as? BatteryManager
+                ?: return null
+        val level =
+                batteryManager.getIntProperty(BatteryManager.BATTERY_PROPERTY_CAPACITY)
+        return if (level in 0..100) level else null
+    }
+
+    private fun readStorageAvailablePercent(): Double {
+        val stat = StatFs(Environment.getDataDirectory().path)
+        val totalBytes = stat.totalBytes
+        if (totalBytes <= 0L) return 100.0
+        val availableBytes = stat.availableBytes
+        return availableBytes.toDouble() / totalBytes.toDouble() * 100.0
+    }
 }