所用 Package ：permission_handler: ^10.0.0

应用程序/构建版本.Gradle

compileSdkVersion 33
minSdkVersion 24
targetSdkVersion 33

安卓系统/内部版本.gradle

kotlin_version = '1.7.10'

在AndroidManifest.xml中添加权限

<uses-permission
         android:name="android.permission.MANAGE_EXTERNAL_STORAGE"  tools:ignore="ScopedStorage" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_INTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
    <uses-permission android:name="android.permission.READ_MEDIA_VIDEO" />
    <uses-permission android:name="android.permission.CAMERA" />

单击允许或拒绝权限时崩溃日志

E/AndroidRuntime(13312): FATAL EXCEPTION: main
E/AndroidRuntime(13312): Process: com.app.example, PID: 13312
E/AndroidRuntime(13312): java.lang.AssertionError
E/AndroidRuntime(13312):    at io.flutter.plugins.firebase.messaging.FlutterFirebasePermissionManager.onRequestPermissionsResult(FlutterFirebasePermissionManager.java:33)
E/AndroidRuntime(13312):    at io.flutter.embedding.engine.FlutterEngineConnectionRegistry$FlutterEngineActivityPluginBinding.onRequestPermissionsResult(FlutterEngineConnectionRegistry.java:777)
E/AndroidRuntime(13312):    at io.flutter.embedding.engine.FlutterEngineConnectionRegistry.onRequestPermissionsResult(FlutterEngineConnectionRegistry.java:409)
E/AndroidRuntime(13312):    at io.flutter.embedding.android.FlutterActivityAndFragmentDelegate.onRequestPermissionsResult(FlutterActivityAndFragmentDelegate.java:757)
E/AndroidRuntime(13312):    at io.flutter.embedding.android.FlutterFragment.onRequestPermissionsResult(FlutterFragment.java:915)
E/AndroidRuntime(13312):    at io.flutter.embedding.android.FlutterFragmentActivity.onRequestPermissionsResult(FlutterFragmentActivity.java:549)
E/AndroidRuntime(13312):    at android.app.Activity.dispatchRequestPermissionsResult(Activity.java:8833)
E/AndroidRuntime(13312):    at android.app.Activity.dispatchActivityResult(Activity.java:8663)
E/AndroidRuntime(13312):    at android.app.ActivityThread.deliverResults(ActivityThread.java:5857)
E/AndroidRuntime(13312):    at android.app.ActivityThread.handleSendResult(ActivityThread.java:5903)
E/AndroidRuntime(13312):    at android.app.servertransaction.ActivityResultItem.execute(ActivityResultItem.java:54)
E/AndroidRuntime(13312):    at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:45)
E/AndroidRuntime(13312):    at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
E/AndroidRuntime(13312):    at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
E/AndroidRuntime(13312):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2438)
E/AndroidRuntime(13312):    at android.os.Handler.dispatchMessage(Handler.java:106)
E/AndroidRuntime(13312):    at android.os.Looper.loopOnce(Looper.java:226)
E/AndroidRuntime(13312):    at android.os.Looper.loop(Looper.java:313)
E/AndroidRuntime(13312):    at android.app.ActivityThread.main(ActivityThread.java:8663)
E/AndroidRuntime(13312):    at java.lang.reflect.Method.invoke(Native Method)
E/AndroidRuntime(13312):    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:571)
E/AndroidRuntime(13312):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1135)
I/Process (13312): Sending signal. PID: 13312 SIG: 9

权限请求代码

Future<PermissionStatus> requestStoragePermission() async {
  return Platform.isAndroid ? Permission.storage.request() : Permission.photos.request();
}