Open button (after application re-install by code) does not launch app

I re-install my .apk programmatically by code while it is running and when re-install finishes Open button does not launch the 开发者_C百科app.It just closes Open Finish window.Then I have to go to menu and launch it clicking there.

Does anyone know anything about this issue?

I guess this would be because the application signature changes or sth like that?

Your activity name may have changed, and now home screen shortcut probably points to non-existing activity. Delete the old home-screen shortcut, and place there new one.

1. Make sure you have code below for your main activity in your Manifest:

     <intent-filter>
       <action android:name="android.intent.action.MAIN" />
   
       <category android:name="android.intent.category.LAUNCHER" />
   </intent-filter>
   

2. Also make sure to close your app when you are reinstalling. You can use this:

   android.os.Process.killProcess(android.os.Process.myPid());

   or

   System.exit(0);

3. Finally Add the code below to your onCreate() in your Main Activity :

   if (!isTaskRoot()) {

               finish();
               return;
           }
   

Hope it works :)