Android代码如何监控apk安装 卸载 替换

public class GetBroadcast extends BroadcastReceiver {

02

03	private static GetBroadcast mReceiver = new GetBroadcast();

04	private static IntentFilter mIntentFilter;

05

06

07	public static void registerReceiver(Context context) {

08	mIntentFilter = new IntentFilter();

09	mIntentFilter.addDataScheme("package");

10	mIntentFilter.addAction(Intent.ACTION_PACKAGE_ADDED);

11	mIntentFilter.addAction(Intent.ACTION_PACKAGE_REMOVED);

12	mIntentFilter.addAction(Intent.ACTION_PACKAGE_REPLACED);

13	context.registerReceiver(mReceiver, mIntentFilter);

14

}

15

16	public static void unregisterReceiver(Context context) {

17	context.unregisterReceiver(mReceiver);

18

}

19

20

@Override

21	public void onReceive(Context context, Intent intent) {

22	String action = intent.getAction();

23	if (Intent.ACTION_PACKAGE_ADDED.equals(action)) {

24	Toast.makeText(context, "有应用被添加", Toast.LENGTH_LONG).show();

25	} else if (Intent.ACTION_PACKAGE_REMOVED.equals(action)) {

26	Toast.makeText(context, "有应用被删除", Toast.LENGTH_LONG).show();

27

}

28

29

/*

30	* else if(Intent.ACTION_PACKAGE_CHANGED.equals(action)){

31	* Toast.makeText(context, "有应用被改变", Toast.LENGTH_LONG).show(); }

32

*/

33

34	else if (Intent.ACTION_PACKAGE_REPLACED.equals(action)) {

35	Toast.makeText(context, "有应用被替换", Toast.LENGTH_LONG).show();

36

}

37

38

/*

39	* else if(Intent.ACTION_PACKAGE_RESTARTED.equals(action)){

40	* Toast.makeText(context, "有应用被重启", Toast.LENGTH_LONG).show(); }

41

*/

42

43

/*

44	* else if(Intent.ACTION_PACKAGE_INSTALL.equals(action)){

45	* Toast.makeText(context, "有应用被安装", Toast.LENGTH_LONG).show(); }

46

*/

47

}

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49

}