android - Want to do several things if user presses home button -


i want several things if user press home button,my code not work.

@override public boolean onkeydown(int keycode, keyevent event) {     if(keycode==keyevent.keycode_home)     {         toast.maketext(this, "click home ", toast.length_long).show();     }     return super.onkeydown(keycode, event); }

it impossible detect home button press action inside application. reason doing prevent malicious apps cannot exited.

source: detect home button press in android


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