In Android development, when the home key is pressed, the program will completely exit and fix the bug:

Paste this code into super.oncreate (savedinstancestate); After

Remenber process

if (!this.istaskroot ()) {//determines if the activity is the source activity of the task space, "non" means that it is re-instantiated by the system

If you put it in launcher activity, you can return it directly.

Intent mainintent=getintent ();

String action=mainintent.getaction ();

if (Mainintent.hascategory (intent.category_launcher) && action.equals (Intent.action_main)) {

Finish ();

Return;//finish () After the activity will continue to execute the following code, you can logcat validation, add return to avoid possible exception

}

}

In Android development, when the home key is pressed, the program will completely exit and fix the bug: