noBackupFilesDir property
Returns the absolute path to the directory where files placed under this directory will be excluded from automatic backup to remote storage.
See: https://developer.android.com/reference/android/content/Context#getNoBackupFilesDir()
Implementation
static Future<Directory> get noBackupFilesDir async {
assert(Platform.isAndroid);
return Directory(
await _channel.invokeMethod('getNoBackupFilesDir') as String);
}