Android 代码监控apk安装，卸载，替换

java代码

　　public class getbroadcast extends broadcastreceiver {

　　private static getbroadcast mreceiver = new getbroadcast();

　　private static intentfilter mintentfilter;

　　public static void registerreceiver(context context) {

　　mintentfilter = new intentfilter();

　　mintentfilter.adddatascheme("package");

　　mintentfilter.addaction(intent.action_package_added);

　　mintentfilter.addaction(intent.action_package_removed);

　　mintentfilter.addaction(intent.action_package_replaced);

　　context.registerreceiver(mreceiver, mintentfilter);

　　}

　　public static void unregisterreceiver(context context) {

　　context.unregisterreceiver(mreceiver);

　　@override

　　public void onreceive(context context, intent intent) {

　　string action = intent.getaction();

　　if (intent.action_package_added.equals(action)) {

　　toast.maketext(context, "有应用被添加", toast.length_long).show();

　　} else if (intent.action_package_removed.equals(action)) {

　　toast.maketext(context, "有应用被删除", toast.length_long).show();

　　/*

　　* else if(intent.action_package_changed.equals(action)){

　　* toast.maketext(context, "有应用被改变", toast.length_long).show(); }

　　*/

　　else if (intent.action_package_replaced.equals(action)) {

　　toast.maketext(context, "有应用被替换", toast.length_long).show();

　　* else if(intent.action_package_restarted.equals(action)){

　　* toast.maketext(context, "有应用被重启", toast.length_long).show(); }

　　* else if(intent.action_package_install.equals(action)){

　　* toast.maketext(context, "有应用被安装", toast.length_long).show(); }