Android 代码监控apk安装，卸载，替换详解编程语言

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(); } 
  
*/ 
  
} 
  
}