package cn.testappaddandremove; 

import android.os.Bundle;

import android.app.Activity;

import android.content.IntentFilter;

/**

 * Demo描述:

 * 利用广播监听设备安装和卸载应用程序

 *

 * 参考资料:

 * http://blog.csdn.net/wangjinyu501/article/details/9664315

 * Thank you very much

 */

public class MainActivity extends Activity {

    private AppBroadcastReceiver mAppBroadcastReceiver;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

    }

    @Override

    protected void onStart() {

        super.onStart();

//      //方式一:在代码中设置IntentFilter

//      mAppBroadcastReceiver=new AppBroadcastReceiver();

//      IntentFilter intentFilter=new IntentFilter();

//      intentFilter.addAction("android.intent.action.PACKAGE_ADDED");

//      intentFilter.addAction("android.intent.action.PACKAGE_REMOVED");

//      intentFilter.addDataScheme("package");

//      this.registerReceiver(mAppBroadcastReceiver, intentFilter); 

        //方式二:在Manifest.xml中设置IntentFilter

        //       测试发现方式二效果更好些

        mAppBroadcastReceiver=new AppBroadcastReceiver();

        IntentFilter intentFilter=new IntentFilter();

        this.registerReceiver(mAppBroadcastReceiver,intentFilter);

    }

    @Override

    protected void onDestroy() {

        if (mAppBroadcastReceiver!=null) {

            this.unregisterReceiver(mAppBroadcastReceiver);

        }

        super.onDestroy();

    }

}

package cn.testappaddandremove; 

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent; 

public class AppBroadcastReceiver extends BroadcastReceiver {

    private final String ADD_APP ="android.intent.action.PACKAGE_ADDED";

    private final String REMOVE_APP ="android.intent.action.PACKAGE_REMOVED";

    @Override

    public void onReceive(Context context, Intent intent) {

        String action=intent.getAction();

        if (ADD_APP.equals(action)) {

            String packageName=intent.getDataString();

            System.out.println("安装了:"+packageName);

        }

        if (REMOVE_APP.equals(action)) {

            String packageName=intent.getDataString();

            System.out.println("卸载了:"+packageName);

        }

    } 

}

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="cn.testappaddandremove"

    android:versionCode=""

    android:versionName="1.0" > 

    <uses-sdk

        android:minSdkVersion=""

        android:targetSdkVersion="" /> 

    <application

        android:allowBackup="true"

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name="cn.testappaddandremove.MainActivity"

            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="cn.testappaddandremove.AppBroadcastReceiver">

            <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> 

</manifest>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    > 

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="监听应用程序的安装和卸载"

        android:layout_centerInParent="true"

    /> 

</RelativeLayout>