Android Progressbar not displaying -

in android application want stream url , play. want show progressbar when play button clicked , show pause button. used progressbar because indicate user happening there there delay while playing in mediaplayer .but problem play button displayed 1 seconds small fraction of second progrressbar dispalyed , @ same time changes pause button.how can show progressbar when user clicked paly button.code given below

      holder.videoplayvoicebtn.setonclicklistener(new onclicklistener() {                  public void onclick(final view v) {                     // videoinfo element = (videoinfo) videos.get(position);                     // element.setplaybutton((button) v);                     // element.setplaying(true);                       linearlayout relativelayout = (linearlayout) v.getparent();                     relativelayout layout = (relativelayout) relativelayout                             .getparent();                     final progressbar bar = (progressbar) layout                             .findviewbyid(r.id.progressbarvoice);                     bar.setvisibility(view.visible);                      seekbar mseekbar = (seekbar) relativelayout                             .findviewwithtag(position);                      final seekbar seekbar = mseekbar;                       final button playbtn = (button) relativelayout                             .findviewwithtag(position + "b");                            if (utilities.message_player != null) {                                if (utilities.message_player.isplaying()) {                                 bar.setvisibility(view.gone);                                 utilities.message_player.pause();                                 holder.username.setkeepscreenon(false);                                 videos.get(position).setcurrentduration(                                         utilities.message_player                                                 .getcurrentposition());                                 playbtn.setbackgroundresource(r.drawable.play_button_style);                                 pause_check = true;                               } else if (!utilities.message_player.isplaying()) {                                 bar.setvisibility(view.visible);                                 playbtn.setvisibility(view.gone);                                  utilities.message_player.seekto(videos.get(                                         position).getcurrentduration());                                 playbtnprev                                         .setbackgroundresource(r.drawable.pause_btn_style);  //                                                                       playvoice(videos.get(position)                                                 .getvoice_url(),                                                 videos.get(position)                                                         .getduration(),                                                         seekbar, duration, playbtn,                                                 position, v, 0, bar); //                                                               utilities.message_player.start();                                  pause_check = true;                              } else {                                 bar.setvisibility(view.gone);                                 playbtn.setvisibility(view.visible);                                 utilities.message_player.stop();                                 holder.username.setkeepscreenon(false);                                 // utilities.message_player.reset();                                 utilities.message_player = new mediaplayer();                                 pause_check = false;                             }                              playbtnprev                                     .setbackgroundresource(r.drawable.play_button_style);                              isplaycheck = true;                         } else {                             // bar.setvisibility(view.visible);                             // playbtn.setvisibility(view.gone);                             playbtnprev                                     .setbackgroundresource(r.drawable.pause_btn_style);                             isplaycheck = false;                         }                     }                      if (pause_check == true) {                      } else {                         dummy_voice_button = playbtn;                         bar.setvisibility(view.visible);                         playbtn.setvisibility(view.gone);                         if (utilities.message_player == null)                             utilities.message_player = new mediaplayer();                                  playvoice(videos.get(position).getvoice_url(),                                         videos.get(position).getduration(),                                         seekbar, duration, playbtn, position,                                         v, 1, bar);                          prevposition = position;                      }                 }             });        private void playvoice(string url, final int voiceduration,             final seekbar mseekbar, final textview durationtv,             final button playbtn, final int postoplay, final view view,             int valint, final progressbar bar) {          if (utilities.message_player != null) {             utilities.message_player                     .setoncompletionlistener(new oncompletionlistener() {                          public void oncompletion(mediaplayer mp) {                             log.e("play voice", "setoncompletionlistener");                              if (play_task != null) {                                 prevposition = -1;                                 playbtn.setbackgroundresource(r.drawable.profile_play_button_style);                                 durationtv.settext(""                                         + videos.get(postoplay).getduration());                                 linearlayout relativelayout = (linearlayout) view                                         .getparent();                                 if (((seekbar) relativelayout                                         .findviewwithtag(postoplay)) != null)                                     ((seekbar) relativelayout                                             .findviewwithtag(postoplay))                                             .setprogress(0);                              }                            }                     });             utilities.message_player                     .setonpreparedlistener(new onpreparedlistener() {                          public void onprepared(mediaplayer mp) {                             playbtn.setvisibility(view.visible);                             playbtn.setbackgroundresource(r.drawable.pause_btn_style);                             bar.setvisibility(view.gone);                          }                     });                   try {                     log.e("play voice", "message_player.isnotplaying()");                     utilities.message_player.reset();                     utilities.message_player.setdatasource(url);                     utilities.message_player.prepare();                      utilities.message_player.start();                     holder.username.setkeepscreenon(true);                 } catch (illegalargumentexception e) {                     // todo auto-generated catch block                     e.printstacktrace();                 } catch (illegalstateexception e) {                     // todo auto-generated catch block                     e.printstacktrace();                 } catch (ioexception e) {                     // todo auto-generated catch block                     e.printstacktrace();                 }               }         }     }