Android利用系统广播---监听应用程序安装和卸载

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第一、 新建监听类:BootReceiver继承BroadcastReceiver

public class BootReceiver extends BroadcastReceiver {  
 
    @Override 
    public void onReceive(Context context, Intent intent) {  
        //接收广播:系统启动完成后运行程序  
        if (intent.getAction().equals("android.intent.action.BOOT_COMPLETED")) {  
             Intent newIntent = new Intent(context, WatchInstall.class);  
newIntent.setAction("android.intent.action.MAIN");             newIntent.addCategory("android.intent.category.LAUNCHER");            newIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);            context.startActivity(newIntent);  
        }  
        //接收广播:设备上新安装了一个应用程序包后自动启动新安装应用程序。  
        if (intent.getAction().equals("android.intent.action.PACKAGE_ADDED")) {  
            String packageName = intent.getDataString().substring(8);  
            System.out.println("---------------" + packageName);  
            Intent newIntent = new Intent();  
           newIntent.setClassName(packageName,packageName+ .MainActivity");  
newIntent.setAction("android.intent.action.MAIN");             newIntent.addCategory("android.intent.category.LAUNCHER");             newIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);  
            context.startActivity(newIntent);  
        }  
        //接收广播:设备上删除了一个应用程序包。  
        if (intent.getAction().equals("android.intent.action.PACKAGE_REMOVED")) {  
            System.out.println("********************************");  
            DatabaseHelper dbhelper = new DatabaseHelper();  
            dbhelper.executeSql("delete from users");  
        }  
    }  

public class BootReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        //接收广播:系统启动完成后运行程序
        if (intent.getAction().equals("android.intent.action.BOOT_COMPLETED")) {
             Intent newIntent = new Intent(context, WatchInstall.class);
newIntent.setAction("android.intent.action.MAIN");             newIntent.addCategory("android.intent.category.LAUNCHER");            newIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);            context.startActivity(newIntent);
        }
        //接收广播:设备上新安装了一个应用程序包后自动启动新安装应用程序。
        if (intent.getAction().equals("android.intent.action.PACKAGE_ADDED")) {
            String packageName = intent.getDataString().substring(8);
            System.out.println("---------------" + packageName);
            Intent newIntent = new Intent();
           newIntent.setClassName(packageName,packageName+ .MainActivity");
newIntent.setAction("android.intent.action.MAIN");             newIntent.addCategory("android.intent.category.LAUNCHER");             newIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            context.startActivity(newIntent);
        }
        //接收广播:设备上删除了一个应用程序包。
        if (intent.getAction().equals("android.intent.action.PACKAGE_REMOVED")) {
            System.out.println("********************************");
            DatabaseHelper dbhelper = new DatabaseHelper();
            dbhelper.executeSql("delete from users");
        }
    }
}

第二、 修改AndroidManifest.xml配置文件

<?xml version="1.0" encoding="UTF-8"?>    
<manifest xmlns:android="http://schemas.android.com/apk/res/android"    
     package="org.me.watchinstall">    
    <application>    
        <receiver android:name=".BootReceiver"    
                  android:label="@string/app_name">    
            <intent-filter>    
                <action android:name="android.intent.action.BOOT_COMPLETED"/>    
                <category android:name="android.intent.category.LAUNCHER" />    
            </intent-filter>    
            <intent-filter>    
             <action android:name="android.intent.action.PACKAGE_ADDED" />    
             <action android:name="android.intent.action.PACKAGE_REMOVED" />    
              <data android:scheme="package" />    
<!-- 注意!! 这句必须要加,否则接收不到BroadCast -->    
            </intent-filter>    
        </receiver>    
        <activity android:name=".WatchInstall" android:label="WatchInstall">    
            <intent-filter>    
                <action android:name="android.intent.action.MAIN"/>    
                <category android:name="android.intent.category.LAUNCHER"/>    
            </intent-filter>    
        </activity>    
    </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>

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