listenChanges method

Implementation

Future<void> listenChanges() async {
  try {
    EncryptedSharedPreferences.getInstance().observe().listen((key) {
      _postEvent(
        '${_eventPrefix}listenChanges',
        {'key': key},
      );
    });
  }catch(e) {
    print('Legacy api not initialized');
  }
  try {
    EncryptedSharedPreferencesAsync.getInstance().observe().listen((key) {
      _postEvent(
        '${_eventPrefix}listenChanges',
        {'key': key},
      );
    });
  }catch(e) {
    print('Async api not initialized');
  }

}