The method getSystemService(String) is undefined for the type AlertDemo

Question

i use getSystemService(String) in this way that i want this activity to start vibration for 1 second. However, the error say the title

public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  mVibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
  mVibrator.vibrate(1000);
}

Thank you for answering!

Answer 1

Well, you need to call this method from an activity ... so change above call to:

public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  mVibrator = (Vibrator) getActivity().getSystemService(Context.VIBRATOR_SERVICE);
  mVibrator.vibrate(1000);
}