requestPermission method

@override Future<NotificationPermissionStatus> requestPermission()

Request notification permissions

Implementation

@override
Future<NotificationPermissionStatus> requestPermission() async {
  try {
    final result = await methodChannel.invokeMethod<String>('requestPermission');
    return _parsePermissionStatus(result);
  } on PlatformException catch (e) {
    throw Exception('Failed to request permission: ${e.message}');
  }
}