振动器（Vibrator）

1. package com.wwj.serviceandboardcast;
2.  
3. import android.app.Activity;
4. import android.app.Service;
5. import android.os.Bundle;
6. import android.os.Vibrator;
7. import android.view.MotionEvent;
8. import android.widget.Toast;
9.  
10.  
11. public class MainActivity extends Activity
12. {
13. Vibrator vibrator;
14. @Override
15. public void onCreate(Bundle savedInstanceState)
16. {
17. super.onCreate(savedInstanceState);
18. setContentView(R.layout.main);
19. // 获取系统的Vibrator服务
20. vibrator = (Vibrator) getSystemService(
21. Service.VIBRATOR_SERVICE);
22. }
23. // 重写onTouchEvent方法，当用户触碰触摸屏时触发该方法
24. @Override
25. public boolean onTouchEvent(MotionEvent event)
26. {
27. Toast.makeText(this, "手机振动"
28. , Toast.LENGTH_SHORT).show();
29. 秒
30. vibrator.vibrate(2000);
31. return super.onTouchEvent(event);
32. }
33. }