public class MainActivity extends Activity {

    private Vibrator vibrator;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
    }

    public void click(View view) {
        // vibrator.vibrate(2000);//震动2s
        vibrator.vibrate(new long[] { 3000, 100, 100, 1000 }, -1);
    }

}

vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);

vibrator = (Vibrator)getApplication().getSystemService(Service.VIBRATOR_SERVICE);

vibrator.vibrate(2000);//震动指定时间 ，数据类型long，单位为毫秒，一毫秒为1/1000秒

vibrator.vibrate(new long[]{100,10,100,1000}, –1);

vibrator.cancel();//取消震动，立即停止震动

<uses-permission android:name="android.permission.VIBRATE"/>