怎么监听应用被删除了 android

ackage main.activity;
2
3 import pym.test.uninstalledmoniter.R;
4 import android.app.Activity;
5 import android.os.Bundle;
6 import android.util.Log;
7
8 /**
9 * @author pengyiming
10 * @note 监听此应用是否被卸载，若被卸载则弹出卸载反馈
11 *
12 */
13
14 public class UninstalledMoniterActivity extends Activity
15 {
16 /* 数据段begin */
17 private static final String TAG = "UninstalledMoniterActivity";
18 /* 数据段end */
19
20 /* 函数段begin */
21 private native void init();
22 static
23 {