file.readAsString() as string to json in flutter code example

Example 1: write and read to file in flutter

Future<String> get _localPath async {
  final directory = await getApplicationDocumentsDirectory();

  return directory.path;
}

Example 2: write and read to file in flutter

Future<File> writeCounter(int counter) async {
  final file = await _localFile;

  // Write the file.
  return file.writeAsString('$counter');
}