android_广播者监听软件的安装和卸载

public class AppReceiver extends BroadcastReceiver {    private static final String TAG = "AppReceiver";    @Override    public void onReceive(Context context, Intent intent) {//    public static final String ACTION_PACKAGE_ADDED = "android.intent.action.PACKAGE_ADDED";源代码        if(intent.getAction().equals(Intent.ACTION_PACKAGE_ADDED)){            Log.d(TAG, "有应用程序被安装了。。"+intent.getData());        }else{            Log.d(TAG, "有应用程序被卸载了。。"+intent.getData());        }    }}

        <receiver android:name="com.itheima.app.AppReceiver" >            <intent-filter>                <action android:name="android.intent.action.PACKAGE_ADDED" />                <action android:name="android.intent.action.PACKAGE_REMOVED"/>                <data android:scheme="package"/>            </intent-filter>        </receiver>