Android 震动示例--心跳效果

package com.ray.test;

import android.app.Activity;
import android.os.Bundle;
import android.os.Vibrator;
import android.view.MotionEvent;

public class TestViberation extends Activity {
    Vibrator vibrator;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    }

    @Override
    protected void onStop() {
        if(null!=vibrator){
            vibrator.cancel();
        }
        super.onStop();
    }

    @Override
    public boolean onTouchEvent(MotionEvent event) {

        if(event.getAction() == MotionEvent.ACTION_DOWN){
             vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
             long[] pattern = {800, 50, 400, 30}; // OFF/ON/OFF/ON...
             vibrator.vibrate(pattern, 2);//-1不重复，非-1为从pattern的指定下标开始重复
        }
        return super.onTouchEvent(event);
    }


}