学步园

在新版本中创建一个Receiver接收手机应用的安装和卸载（可以监听到旧版本的卸载）

[java]
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1. package  
2. com.justsy.lpi.receiver;  
3.   
4. import  
5. android.content.BroadcastReceiver;  
6. import  
7. android.content.Context;  
8. import  
9. android.content.Intent;  
10.   
11. public  
12. class PkInstallReceiver extends BroadcastReceiver {  
13.   
14.        
15. @Override  
16.        
17. public void onReceive(Context context, Intent intent) {  
18.   
19.              
20. if (intent.getAction().equals("android.intent.action.PACKAGE_ADDED" )) {    
21.             String packageName = intent.getDataString().substring(8);  
22.             System.  
23. out.println( "安装:" +packageName + "包名的程序" );  
24.         }    
25.          
26. //接收卸载广播    
27.          
28. if (intent.getAction().equals("android.intent.action.PACKAGE_REMOVED" )) {    
29.             String packageName = intent.getDataString().substring(8);    
30.             System.  
31. out.println( "卸载:"  + packageName + "包名的程序" );  
32.             Intent newIntent =  
33. new Intent();  
34.             newIntent.setClassName(packageName,packageName+  
35. ".AutoStartProTestActivity" );     
36.             newIntent.setAction(  
37. "android.intent.action.MAIN");                 
38.             newIntent.addCategory(  
39. "android.intent.category.LAUNCHER" );                 
40.             newIntent.setFlags(Intent.  
41. FLAG_ACTIVITY_NEW_TASK);        
42.             context.startActivity(newIntent);  
43.         }  
44.      }  
45.   
46. }  

package
com.justsy.lpi.receiver;

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

public
class PkInstallReceiver extends BroadcastReceiver {

     
@Override
     
public void onReceive(Context context, Intent intent) {

           
if (intent.getAction().equals("android.intent.action.PACKAGE_ADDED" )) {  
            String packageName = intent.getDataString().substring(8);
            System.
out.println( "安装:" +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().substring(8);  
            System.
out.println( "卸载:"  + packageName + "包名的程序" );
            Intent newIntent =
new Intent();
            newIntent.setClassName(packageName,packageName+
".AutoStartProTestActivity" );   
            newIntent.setAction(
"android.intent.action.MAIN");               
            newIntent.addCategory(
"android.intent.category.LAUNCHER" );               
            newIntent.setFlags(Intent.
FLAG_ACTIVITY_NEW_TASK);      
            context.startActivity(newIntent);
        }
     }

}