mp3 - android automatically Start onClick when open activity -

public class streamingmp3player extends activity implements onclicklistener,          ontouchlistener, oncompletionlistener, onbufferingupdatelistener{  private imagebutton buttonplaypause; private seekbar seekbarprogress; public edittext edittextsongurl;  private mediaplayer mediaplayer; private int mediafilelengthinmilliseconds;   private final handler handler = new handler();  /** called when activity first created. */ @override public void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.main);     initview(); }  /** method initialise views in project*/ private void initview() {     buttonplaypause = (imagebutton)findviewbyid(r.id.buttontestplaypause);     buttonplaypause.setonclicklistener(this);      seekbarprogress = (seekbar)findviewbyid(r.id.seekbartestplay);       seekbarprogress.setmax(99); // means 100% .0-99     seekbarprogress.setontouchlistener(this);     edittextsongurl = (edittext)findviewbyid(r.id.edittextsongurl);     edittextsongurl.settext(r.string.testsong_20_sec);      mediaplayer = new mediaplayer();     mediaplayer.setonbufferingupdatelistener(this);     mediaplayer.setoncompletionlistener(this); }  private void primaryseekbarprogressupdater() {     seekbarprogress.setprogress((int)(((float)mediaplayer.getcurrentposition()/   mediafilelengthinmilliseconds)*100)); // math construction give percentage of "was playing"/"song length"     if (mediaplayer.isplaying()) {         runnable notification = new runnable() {             public void run() {                 primaryseekbarprogressupdater();             }         };         handler.postdelayed(notification,1000);     } }  @override public void onclick(view v) {     if(v.getid() == r.id.buttontestplaypause){          /** imagebutton onclick event handler. method start/pause mediaplayer playing */         try {             mediaplayer.setdatasource(edittextsongurl.gettext().tostring()); // setup song http://www.hrupin.com/wp-content/uploads/mp3/testsong_20_sec.mp3 url mediaplayer data source             mediaplayer.prepare(); // must call method after setup datasource in setdatasource method. after calling prepare() instance of mediaplayer starts load data url internal buffer.          } catch (exception e) {             e.printstacktrace();         }          mediafilelengthinmilliseconds = mediaplayer.getduration(); // gets song length in milliseconds url          if(!mediaplayer.isplaying()){             mediaplayer.start();             buttonplaypause.setimageresource(r.drawable.button_pause);         }else {             mediaplayer.pause();             buttonplaypause.setimageresource(r.drawable.button_play);         }          primaryseekbarprogressupdater();     } }  @override public boolean ontouch(view v, motionevent event) {     if(v.getid() == r.id.seekbartestplay){         /** seekbar ontouch event handler. method seeks mediaplayer seekbar primary progress position*/         if(mediaplayer.isplaying()){             seekbar sb = (seekbar)v;             int playpositioninmillisecconds = (mediafilelengthinmilliseconds / 100) * sb.getprogress();             mediaplayer.seekto(playpositioninmillisecconds);         }     }     return false; }  @override public void oncompletion(mediaplayer mp) {      /** mediaplayer oncompletion event handler. method calls song   playing complete*/     buttonplaypause.setimageresource(r.drawable.button_play); }  @override public void onbufferingupdate(mediaplayer mp, int percent) {     /** method updates seekbar secondary progress current song   loading url position*/     seekbarprogress.setsecondaryprogress(percent); } } 

now code play mp3 when click "buttonplaypause" image button. need auto start play button when open activity... possible?

my layout

<textview      android:text="song titile"      android:layout_width="fill_parent"      android:layout_height="wrap_content"      android:id="@+id/songtitle"/>     <textview      android:layout_below="@+id/songtitle"     android:text="the song url"      android:layout_width="fill_parent"      android:layout_height="wrap_content"      android:id="@+id/songurl"/>  <imagebutton      android:layout_below="@+id/songurl"     android:id="@+id/buttontestplaypause"      android:layout_height="wrap_content"      android:layout_width="fill_parent"     android:src="@drawable/button_play"/>   <seekbar      android:layout_below="@+id/buttontestplaypause"     android:id="@+id/seekbartestplay"      android:layout_height="wrap_content"      android:layout_width="fill_parent"     android:thumb="@drawable/thumb_transparent"/> </relativelayout> 

i passing url activity ... need if open activity start , play mp3 automatically.. dont want click play button

move onclick()'s logic inside method, , call method both onclick , oncreate

private void mymethod() {   // logic here }   @override public void onclick(view v) {     if(v.getid() == r.id.buttontestplaypause){           mymethod();     }   }       @override public void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.main);     initview();     mymethod(); }