Android Activity life cycle

http://www.oschina.net/question/54100_27841

Start:onCreate ()->onstart ()->onresume

When you press the back key directly from the activity interface,OnPause ()->onstop ()->ondestory ()

When you press the home key from the activity interface. OnPause ()->onstop (),

And then into activity, Onrestart ()->onstart ()->onresume ()

 Public classActivity extends ApplicationContext {protected voidonCreate (Bundle savedinstancestate); protected voidOnStart (); protected voidOnrestart (); protected voidOnresume (); protected voidOnPause (); protected voidOnStop (); protected voidOnDestroy ();}