Several solutions for Android back return mechanism

Source: Internet
Author: User

Programme one:

Implement onkeydown in activity

@Overridepublic boolean onKeyDown (int keycode, keyevent event) {if (keycode = = Keyevent.keycode_menu) {return true;} if (keycode = = Keyevent.keycode_back && event.getrepeatcount () = = 0) {this.finish ();// The action to handle the event is written here Super.onkeydown (KeyCode, event); return true;} return true;}

Scenario Two:

The following scenarios are implemented in the activity

@Overridepublic void onbackpressed () {//TODO auto-generated method Stubsuper.onbackpressed ();}

Scenario Three: Back fallback mechanism in Actionbar

Android Tutorials

Several solutions for Android back return mechanism

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