android - How to use seek bar in each row of recyclerview -

i have situation need show seekbar in every row of recylerview download media(audio). file downlaoding everytime click downlaod button , last seekbar of recylerview work not seekbar associated particular row.

this adapter downloading audio

public class listentestadapter extends recyclerview.adapter<listentestadapter.myviewholder> implements adapterview.onitemclicklistener, view.onclicklistener, view.ontouchlistener, mediaplayer.oncompletionlistener, mediaplayer.onbufferingupdatelistener {      private static final int download_thread_pool_size = 1;     private final handler handler = new handler();     public textview testnametextview, downloadtextview, seekbartextview;     mydownloaddownloadstatuslistenerv1 mydownloadstatuslistener = new mydownloaddownloadstatuslistenerv1();     int downloadid1;     private list<listen> list = new arraylist<>();     private activity context;     private mediaplayer mediaplayer;     private seekbar seekbarprogress;     private int mediafilelengthinmilliseconds;     private string mp3url;     private handler durationhandler = new handler();     private textview duration;     private int timeelapsed;     private thindownloadmanager downloadmanager;     private string filename;     private retrypolicy retrypolicy ;     private   file filesdir ;     private uri downloaduri ;     private seekbar seekbar ;     //handler change seekbartime     private runnable updateseekbartime = new runnable() {         public void run() {             //get current position             timeelapsed = mediaplayer.getcurrentposition();             //set seekbar progress             //seekbar.setprogress((int) timeelapsed);             //set time remaing             double timeremaining = mediafilelengthinmilliseconds - timeelapsed;             duration = (textview) context.findviewbyid(r.id.duration);             //222067.0             duration.settext(string.format("%d min, %d sec", timeunit.milliseconds.tominutes((long) timeremaining), timeunit.milliseconds.toseconds((long) timeremaining) - timeunit.minutes.toseconds(timeunit.milliseconds.tominutes((long) timeremaining))));              //repeat again in 100 miliseconds             durationhandler.postdelayed(this, 100);         }     };       public listentestadapter(activity context, list<listen> list) {          this.list = list;         this.context = context;     }      @override     public void onitemclick(adapterview<?> adapterview, view view, int position, long l) {         toast.maketext(context, "you clciked " + position, toast.length_short).show();     }      @override     public void onbufferingupdate(mediaplayer mp, int percent) {         // buttonplaypause.setimageresource(r.drawable.button_pause);         durationhandler.postdelayed(updateseekbartime, 100);         mediafilelengthinmilliseconds = mediaplayer.getduration();          primaryseekbarprogressupdater();     }      @override     public void onclick(view v) {      }      @override     public void oncompletion(mediaplayer mp) {          context.findviewbyid(r.id.mediaplayerlayout).setvisibility(view.gone);     }      @override     public boolean ontouch(view v, motionevent event) {         return false;     }      @override     public myviewholder oncreateviewholder(viewgroup parent, int viewtype) {         // create new view         view v = layoutinflater.from(parent.getcontext()).inflate(r.layout.listview_listen_item, parent, false);         // set view's size, margins, paddings , layout parameters         myviewholder vh = new myviewholder(v);         return vh;     }      @override     public void onbindviewholder(final myviewholder holder, final int position) {          testnametextview.settext(list.get(position).getpassages());         seekbar.setmax(100);         seekbar.setprogress(0);         downloadmanager = new thindownloadmanager(download_thread_pool_size);         retrypolicy = new defaultretrypolicy();         filesdir = context.getexternalfilesdir(environment.directory_music);           downloadtextview.setonclicklistener(new view.onclicklistener() {             @override             public void onclick(view view) {                 mp3url = list.get(position).getquestiongroupfile();                 mp3url = mp3url.replace(" ", "%20");                  if(!"".equals(mp3url)){                     downloaduri = uri.parse(mp3url);                     filename = mp3url.substring(mp3url.lastindexof('/') + 1);                     //download audio                     downloadaudio();                 }else{                     toast.maketext(context, "audio not avialable", toast.length_short).show();                 }             }         });      }      private void downloadaudio() {          uri destinationuri = uri.parse(filesdir + "/" + filename);         final downloadrequest downloadrequest = new downloadrequest(downloaduri)                 .setdestinationuri(destinationuri).setpriority(downloadrequest.priority.low)                 .setretrypolicy(retrypolicy)                 .setdownloadcontext("download1")                 .setstatuslistener(mydownloadstatuslistener);          if (downloadmanager.query(downloadid1) == downloadmanager.status_not_found) {              filename = filename.replace("%20", " ");             downloadid1 = downloadmanager.add(downloadrequest);          } else {             toast.maketext(context, "please wait....downloading in progress", toast.length_short).show();         }     }      /**      * method updates seekbar primary progress current song playing position      */     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 int getitemcount() {         return list.size();     }      private string getbytesdownloaded(int progress, long totalbytes) {         //greater 1 mb         long bytescompleted = (progress * totalbytes) / 100;         if (totalbytes >= 1000000) {             return ("" + (string.format("%.1f", (float) bytescompleted / 1000000)) + "/" + (string.format("%.1f", (float) totalbytes / 1000000)) + "mb");         }         if (totalbytes >= 1000) {             return ("" + (string.format("%.1f", (float) bytescompleted / 1000)) + "/" + (string.format("%.1f", (float) totalbytes / 1000)) + "kb");          } else {             return ("" + bytescompleted + "/" + totalbytes);         }     }      public class myviewholder extends recyclerview.viewholder {           public myviewholder(view view) {             super(view);             testnametextview = (textview) view.findviewbyid(r.id.testnametextview);             downloadtextview = (textview) view.findviewbyid(r.id.downloadtextview);             seekbartextview = (textview) context.findviewbyid(r.id.duration);             seekbar = (seekbar) view.findviewbyid(r.id.seekbar);          }     }      class mydownloaddownloadstatuslistenerv1 implements downloadstatuslistenerv1 {          @override         public void ondownloadcomplete(downloadrequest request) {             final int id = request.getdownloadid();             if (id == downloadid1) {                 seekbartextview.settext("downaloaded" + " audio: " + filename + " completed");                  //when download complete encryption start                 encryptdownloadedaudio.encrypt(context,mp3url,filename);             }         }          @override         public void ondownloadfailed(downloadrequest request, final int errorcode, final string errormessage) {             final int id = request.getdownloadid();             if (id == downloadid1) {                  context.runonuithread(new runnable() {                     @override                     public void run() {                          seekbartextview.settext("failed download: " + filename + " failed: errorcode " + errorcode + ", " + errormessage);                         seekbar.setprogress(0);                      }                 });             }         }          @override         public void onprogress(downloadrequest request, long totalbytes, long downloadedbytes, int progress) {             int id = request.getdownloadid();              system.out.println("######## onprogress ###### " + id + " : " + totalbytes + " : " + downloadedbytes + " : " + progress);             if (id == downloadid1) {                 seekbartextview.settext("downloading: " + filename + ", " + progress + "%" + "  " + getbytesdownloaded(progress, totalbytes));                 seekbar.setprogress(progress);             }         }     } } 

check concept of view tags, out. seekbar.settag("unique id every view"); while updating seekbar use findviewwithtag("unique id particular view")

since fetching view id give last view id.