Activity return button

1  PackageCom.maomao.beautymovie;2 3 ImportAndroid.app.ActionBar;4 Importandroid.app.Activity;5 ImportAndroid.os.Bundle;6 Importandroid.support.v4.app.FragmentActivity;7 Importandroid.view.KeyEvent;8 ImportAndroid.view.MenuItem;9 Ten  One /** A  *  -  * @authorNingxuefeng -  * the  */ -  Public classBaseactivityextendsActivity { -  -     protectedActionBar Mactionbar; +  -     protected voidonCreate (Bundle savedinstancestate) { +         Super. OnCreate (savedinstancestate); A Initactionbar (); at     } -  -     Private voidInitactionbar () { -Mactionbar =Getactionbar (); -Mactionbar.setdisplayhomeasupenabled (true);//Add a return icon "" to the left of the upper left corner icon. Correspondence Actionbar.display_home_as_up -Mactionbar.setdisplayshowhomeenabled (true);//make the upper left corner icon clickable and the corresponding ID for Android. R.id.home, corresponding Actionbar.display_show_home false the icon cannot be clicked inMactionbar.sethomebuttonenabled (true);//false You cannot click -     } to  +      Public voidSettitle (intresId) { - Mactionbar.settitle (resId); the     } *  $      Public voidsettitle (charsequence text) {Panax Notoginseng mactionbar.settitle (text); -     } the  + @Override A      Public Booleanonoptionsitemselected (MenuItem item) { the         Switch(Item.getitemid ()) { +                CaseAndroid. R.id.home: - onbackpressed (); $                   return true; $             default: -                 return Super. onoptionsitemselected (item); -         } the     } - Wuyi  the}

Activity return button