Recyclerview Modifier Des Éléments Au Cours De Défilement

J'ai un RecyclerView. Chaque ligne dispose d'un bouton de lecture, textview et de la Progressbar. lors d'un clic sur le bouton de lecture ont à jouer de l'audio de ma carte sd et avoir de progrès Progressbar
Le problème est quand je scroll vers le bas de la recyclerview changement de la Barre de progression dans la ligne suivante.signifie que je peux me fit 5 éléments sur l'écran à la fois. Quand j'ai faites défiler jusqu'à la 6e, 6e ligne seekbar change soudainement.

public class ListAdapter extends RecyclerView.Adapter {
private List<Historyitem> stethitems;
public Context mContext;
public Activity activity;
public Handler mHandler;
static MediaPlayer mPlayer;
static Timer mTimer;
public ListAdapter(Activity activity,Context mContext,List<Historyitem> stethitems) {
this.stethitems = stethitems;
this.mContext = mContext;
this.activity = activity;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType) {
View rootView = LayoutInflater.
from(mContext).inflate(R.layout.stethoscopeadapteritem, null, false);
RecyclerView.LayoutParams lp = new RecyclerView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.WRAP_CONTENT);
rootView.setLayoutParams(lp);
mHandler = new Handler();
return new MyViewHolder(rootView);
}
@Override
public void onBindViewHolder(final RecyclerView.ViewHolder viewHolder, int position) {
final Historyitem dataItem = stethitems.get(position);
final MyViewHolder myViewHolder = (MyViewHolder) viewHolder;
myViewHolder.progressplay.setProgress(0);
myViewHolder.stethdatetime.setText(dataItem.getReported_Time());
myViewHolder.stethhosname.setText(dataItem.getdiv());
if(dataItem.getPatient_Attribute().replaceAll(" ","").equals("")){
myViewHolder.stethdoctorname.setText(dataItem.getunit());
} else {
myViewHolder.stethdoctorname.setText(dataItem.getPatient_Attribute());
}
myViewHolder.stethstreamplay.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
FileDownload(dataItem.getmsg(),
myViewHolder.progressplay);
}
});
}
@Override
public int getItemCount() {
return stethitems.size();
}
public class MyViewHolder extends RecyclerView.ViewHolder {
final CustomTextRegular stethdatetime;
final CustomTextView stethhosname;
final CustomTextBold stethdoctorname;
final ImageButton stethstreamplay;
final NumberProgressBar progressplay;
public MyViewHolder(View itemView) {
super(itemView);
stethdatetime = (CustomTextRegular)
itemView.findViewById(R.id.stethdatetime);
stethhosname = (CustomTextView)
itemView.findViewById(R.id.stethhosname);
stethdoctorname = (CustomTextBold)
itemView.findViewById(R.id.stethdoctorname);
stethstreamplay = (ImageButton)
itemView.findViewById(R.id.stethstreamplay);
progressplay= (NumberProgressBar)
itemView.findViewById(R.id.progressplay);
}
}
public void  FileDownload(final String downloadpath,
final NumberProgressBar progressplay) {
new AsyncTask<NumberProgressBar, Integer, NumberProgressBar>() {
NumberProgressBar progress;
@Override
protected void onPreExecute() {
super.onPreExecute();
try {
if(mPlayer!=null){
mPlayer.stop();
}
}catch (Exception e){
}
try {
if(mTimer != null){
mTimer.purge();
mTimer.cancel();
}
}catch (Exception e){
}
}
@Override
protected NumberProgressBar doInBackground(NumberProgressBar... params) {
int count;
progress = progressplay;
try {
final List<NameValuePair> list = new ArrayList<NameValuePair>();
list.add(new BasicNameValuePair("pid",id));
URL url = new URL(Config.requestfiledownload + "?path=" +
downloadpath);
URLConnection connection = url.openConnection();
connection.connect();
int lenghtOfFile = connection.getContentLength();
//download the file
InputStream input = new BufferedInputStream(url.openStream());
OutputStream output = new FileOutputStream(Environment.getExternalStorageDirectory() +
"record.wav");
byte data[] = new byte[1024];
long total = 0;
while ((count = input.read(data)) != -1) {
total += count;
//publishing the progress....
publishProgress((int) (total * 100 / lenghtOfFile));
output.write(data, 0, count);
}
output.flush();
output.close();
input.close();
} catch (Exception e) {
}
return progress;
}
@Override
protected void onPostExecute(final NumberProgressBar numberProgressBar) {
super.onPostExecute(numberProgressBar);
try {
StartMediaPlayer(numberProgressBar);
} catch (Exception e){
e.printStackTrace();
}
}
}.execute();
}
public void StartMediaPlayer(final NumberProgressBar progressbar){
Uri playuri = Uri.parse("file:///sdcard/record.wav");
mPlayer = new MediaPlayer();
mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
mPlayer.reset();
try {
mPlayer.setDataSource(mContext, playuri);
} catch (IllegalArgumentException e) {
} catch (SecurityException e) {
} catch (IllegalStateException e) {
} catch (Exception e) {
}
try {
mPlayer.prepare();
} catch (Exception e) {
}
mPlayer.start();
progressbar.setMax(mPlayer.getDuration());
mPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
if(mPlayer!=null) {
mPlayer.release();
progressbar.setProgress(0);
}
if(mTimer != null){
mTimer.purge();
mTimer.cancel();
}
}
});
mTimer = new Timer();
mTimer.schedule(new TimerTask() {
@Override
public void run() {
mHandler.post(new Runnable() {
@Override
public void run() {
progressbar.setProgress(mPlayer.getCurrentPosition());
}
});
}
},0,500);
}}