android - Close an Activity after 10 seconds? -

i use call activity 

main.java

 intent intent = new intent(this, message_note.class);   intent.setflags(intent.flag_activity_new_task);   startactivity(intent); 

message_note.java :

public class message_note extends activity {      @override     protected void oncreate(bundle savedinstancestate) {         // todo auto-generated method stub         super.oncreate(savedinstancestate);         setcontentview(r.layout.message);     }    } 

how can close message_note activity after 10 seconds ?? should use thread ?

after 100 ms, activity finish using following code.

public class message_note extends activity  {     @override     protected void oncreate(bundle savedinstancestate) {         // todo auto-generated method stub         super.oncreate(savedinstancestate);         setcontentview(r.layout.message);          handler handler = new handler();          handler.postdelayed(new runnable() {             public void run() {                 finish();             }         }, 100);     } }