Here you can find the source of Vibrate(final Activity activity, long[] pattern, boolean isRepeat)
public static void Vibrate(final Activity activity, long[] pattern, boolean isRepeat)
//package com.java2s; import android.app.Activity; import android.app.Service; import android.os.Vibrator; public class Main { public static void Vibrate(final Activity activity, long milliseconds) { Vibrator vib = (Vibrator) activity .getSystemService(Service.VIBRATOR_SERVICE); vib.vibrate(milliseconds);/*from w w w.j a v a 2 s . co m*/ } public static void Vibrate(final Activity activity, long[] pattern, boolean isRepeat) { Vibrator vib = (Vibrator) activity .getSystemService(Service.VIBRATOR_SERVICE); vib.vibrate(pattern, isRepeat ? 1 : -1); } }