vibration method

dynamic vibration()

Implementation

vibration() {
  checkWhetherMuteEnabled();
  SessionManagement.setNotificationVibration(!displayVibrationPreference);
  // Mirrorfly.setNotificationVibration(!displayVibrationPreference);
  SessionManagement.setKeyChangeFlag(true);
  _displayVibrationPreference(!displayVibrationPreference);
}