Merge branch 'main' of http://192.168.3.16:3800/lxh2875931338/MEIZU-Battery-Healthy

android/app/src/main/kotlin/com/lxh/battery_health/MainActivity.kt

@@ -44,18 +44,20 @@ class MainActivity : FlutterActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+        android.util.Log.d("BatteryHealth", "onCreate 开始")
 
-        // 🟢 从 SharedPreferences 恢复 URI
+        try {
             val prefs: SharedPreferences = getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
             val uriString = prefs.getString(KEY_SAF_URI, null)
+            android.util.Log.d("BatteryHealth", "SharedPreferences URI: $uriString")
             if (uriString != null) {
-            try {
                 safUri = Uri.parse(uriString)
-                android.util.Log.d("BatteryHealth", "恢复 SAF URI: $safUri")
+                android.util.Log.d("BatteryHealth", "恢复 SAF URI 成功: $safUri")
+            }
         } catch (e: Exception) {
-                android.util.Log.e("BatteryHealth", "恢复 URI 失败: ${e.message}")
+            android.util.Log.e("BatteryHealth", "恢复 URI 异常: ${e.message}")
-            }
         }
+        android.util.Log.d("BatteryHealth", "onCreate 结束，safUri = $safUri")
     }
 
     private fun saveUri(uri: Uri) {
@@ -68,6 +70,18 @@ class MainActivity : FlutterActivity() {
         }
     }
 
+    private fun restoreUri(uriString: String) {
+        try {
+            safUri = Uri.parse(uriString)
+            android.util.Log.d("BatteryHealth", "通过 MethodChannel 恢复 URI: $safUri")
+            // 同时保存到 SharedPreferences
+            val prefs: SharedPreferences = getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
+            prefs.edit().putString(KEY_SAF_URI, uriString).apply()
+        } catch (e: Exception) {
+            android.util.Log.e("BatteryHealth", "restoreUri 失败: ${e.message}")
+        }
+    }
+
     private fun sendChargeState(isCharging: Boolean) {
         val chargeType = if (isCharging) {
             val batteryIntent = registerReceiver(null, IntentFilter(Intent.ACTION_BATTERY_CHANGED))
@@ -125,9 +139,8 @@ class MainActivity : FlutterActivity() {
                     val takeFlags = Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
                     contentResolver.takePersistableUriPermission(uri, takeFlags)
                     safUri = uri
-                    // 🟢 保存到 SharedPreferences
                     saveUri(uri)
-                    android.util.Log.d("BatteryHealth", "SAF URI: $uri")
+                    android.util.Log.d("BatteryHealth", "SAF 授权成功 URI: $uri")
                     safResult?.success(uri.toString())
                 } catch (e: Exception) {
                     android.util.Log.e("BatteryHealth", "SAF 授权失败: ${e.message}")
@@ -141,15 +154,13 @@ class MainActivity : FlutterActivity() {
     }
 
     private fun getTreeDocId(): String? {
-        android.util.Log.d("BatteryHealth", "getTreeDocId: safUri = $safUri")
         return safUri?.let { DocumentsContract.getTreeDocumentId(it) }
     }
 
     private fun listFiles(): List<String> {
-        android.util.Log.d("BatteryHealth", "listFiles 被调用")
+        android.util.Log.d("BatteryHealth", "listFiles 被调用，safUri = $safUri")
         val result = mutableListOf<String>()
         val docId = getTreeDocId()
-        android.util.Log.d("BatteryHealth", "docId = $docId")
         if (docId == null || docId.isEmpty()) {
             android.util.Log.e("BatteryHealth", "docId 为空")
             return result
@@ -157,18 +168,15 @@ class MainActivity : FlutterActivity() {
 
         try {
             val childrenUri = DocumentsContract.buildChildDocumentsUriUsingTree(safUri!!, docId)
-            android.util.Log.d("BatteryHealth", "childrenUri = $childrenUri")
             contentResolver.query(childrenUri, null, null, null, null)?.use { cursor ->
                 val nameIndex = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME)
                 while (cursor.moveToNext()) {
                     val name = cursor.getString(nameIndex)
                     if (name != null) {
-                        android.util.Log.d("BatteryHealth", "找到文件: $name")
                         result.add(name)
                     }
                 }
             }
-            android.util.Log.d("BatteryHealth", "共找到 ${result.size} 个文件")
         } catch (e: Exception) {
             android.util.Log.e("BatteryHealth", "列出文件失败: ${e.message}", e)
         }
@@ -242,6 +250,15 @@ class MainActivity : FlutterActivity() {
         MethodChannel(flutterEngine.dartExecutor.binaryMessenger, SAF_CHANNEL)
             .setMethodCallHandler { call, result ->
                 when (call.method) {
+                    "restoreUri" -> {
+                        val uriString = call.argument<String>("uri")
+                        if (uriString != null) {
+                            restoreUri(uriString)
+                            result.success(true)
+                        } else {
+                            result.error("INVALID_ARGUMENT", "uri is required", null)
+                        }
+                    }
                     "selectFolder" -> {
                         safResult = result
                         openFolderPicker()