flutter权限允许访问

import 'package:device_info_plus/device_info_plus.dart';
import 'package:permission_handler/permission_handler.dart';

Future<bool> storagePermission() async {
  final DeviceInfoPlugin info =
      DeviceInfoPlugin(); // import 'package:device_info_plus/device_info_plus.dart';
  final AndroidDeviceInfo androidInfo = await info.androidInfo;

  final int androidVersion = int.parse(androidInfo.version.release);
  bool havePermission = false;
  // Here you can use android api level
  // like android api level 33 = android 13
  // This way you can also find out how to request storage permission

  if (androidVersion >= 13) {
    final request = await [
      // Permission.videos,
      // Permission.photos,
      Permission.audio,
      Permission.storage
      //..... as needed
    ].request(); //import 'package:permission_handler/permission_handler.dart';

    havePermission =
        request.values.every((status) => status == PermissionStatus.granted);
  } else {
    final status = await Permission.storage.request();
    havePermission = status.isGranted;
  }

  if (!havePermission) {
    // if no permission then open app-setting
    await openAppSettings();
  }

  return havePermission;
}

AndroidManifest.xml

    <!-- for below android 13-->
    <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" tools:ignore="ScopedStorage" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <!-- for above android 13-->
    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
    <uses-permission android:name="android.permission.READ_MEDIA_VIDEO" />
    <uses-permission android:name="android.permission.READ_MEDIA_AUDIO" />