Android监听应用程序安装和卸载

package com.rongfzh.yc;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;

public class BootReceiver extends BroadcastReceiver{
      
    @Override  
    public void onReceive(Context context,Intent intent){
        //接收安装广播 
        if (intent.getAction().equals("android.intent.action.PACKAGE_ADDED")) {   
            String packageName = intent.getDataString();   
            System.out.println("安装了:" +packageName + "包名的程序");     
        }   
        //接收卸载广播  
        if (intent.getAction().equals("android.intent.action.PACKAGE_REMOVED")) {   
            String packageName = intent.getDataString();   
            System.out.println("卸载了:"  + packageName + "包名的程序");
 
        }
    }
}  

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.rongfzh.yc"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk android:minSdkVersion="7" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:name=".PakDetectActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <receiver android:name=".BootReceiver"  
                  android:label="@string/app_name">   
            <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>  
    </application>
    <uses-permission android:name="android.permission.INTERNET" />  
    <uses-permission android:name="android.permission.RESTART_PACKAGES"/>  
    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>

</manifest>