android - ProgressDialog with progress and secondProgress -

i'm using asynctask in app downloading several pictures. asynctask implemented in separate class, , use interface update ui thread. progressdialog shown while task executed , progress updated.
far can either show current download progress, or number of pictures allready downloaded , both @ same time.
here asynctask class :

public class downloadpicturestask extends asynctask<string ,integer , boolean> { /**  * interface updating ui thread methods  */ public downloadpicturesresponse handler = null; private activity callingactivity = null; private string message;  public downloadpicturestask(activity activity){     attach(activity); }  public void attach(activity activity){     this.callingactivity = activity; }  public void detach(){     this.callingactivity = null; }  @override protected void onpreexecute() {     handler.picturespreexecute(); }  /**  * each picture, store downloaded file in historic folder <br/>  * ff pictures downloaded, return true <br/>  * if fail or cancel return false.  * @param urls list of picture names  * @return boolean  */ @override protected boolean doinbackground(string... urls) {     inputstream input;     outputstream output;     httpurlconnection connection;     try{         (int = 0 ; < urls.length ;i++ ) {             string url = urls[i];             url newurl = new url(config.url_pictures + url);             connection = (httpurlconnection) newurl.openconnection();             connection.connect();             if (connection.getresponsecode() != httpurlconnection.http_ok) {                 message = connection.getresponsecode() + " : " + connection.getresponsemessage();                 return boolean.false;             }             int filelength = connection.getcontentlength();             input = connection.getinputstream();             file historicfolder = new file(environment.getexternalstoragepublicdirectory(environment.directory_pictures), config.historic_directory);             if (!historicfolder.exists()) {                 boolean mkdir = historicfolder.mkdir();                 if (!mkdir) {                     message = "impossible de créer le dossier historique.";                     return boolean.false;                 }             }             output = new fileoutputstream(environment.getexternalstoragepublicdirectory(environment.directory_pictures) + "/" + config.historic_directory + "/" + url);             byte data[] = new byte[4096];             long total = 0;             int count;             while ((count = input.read(data)) != -1) {                 if (iscancelled()) {                     input.close();                     message = "téléchargement annulé";                     return boolean.false;                 }                 total += count;                 /* here publish progress  */                 if (filelength > 0)                     publishprogress((int) (total * 100 / filelength),i);                 output.write(data, 0, count);             }             output.flush();             output.close();             input.close();         }     }catch (exception e){         e.printstacktrace();         log.e(config.log_error, "measurepicturetask", e);         message = e.tostring();         return boolean.false;     }     message = "téléchargement terminé";     return boolean.true; }  /**  * calling handler concerned method  * @param values integer value of progress  */ @override protected void onprogressupdate(integer... values) {     handler.picturesonprogressupdate(values[0],values[1]); }  /**  * calling handler concerned method  * @param succeed boolean  */ @override protected void onpostexecute(boolean succeed) {     if(callingactivity != null)         handler.picturesonpostexecute(succeed,message);     else {         log.e(config.log_error,"downloadpicture task : calling activity has been lost.");     } } 

and here calling activity (only asynctask part) :

@override public void picturespreexecute() {     pdial = new progressdialog(this);     pdial.setmessage("chargement des photos");     pdial.setprogressstyle(progressdialog.style_horizontal);     pdial.setmax(pictures.size());     pdial.setcancelable(true);     pdial.setoncancellistener(new dialoginterface.oncancellistener() {         @override         public void oncancel(dialoginterface dialog) {             picturetask.cancel(true);         }     });     pdial.show(); }  @override public void picturesonprogressupdate(int progress,int nbpictures) {     pdial.setsecondaryprogress(progress);     pdial.setprogress(nbpictures); }  @override public void picturesonpostexecute(boolean succeed, string result) {     pdial.dismiss();     setrequestedorientation(activityinfo.screen_orientation_sensor);     if(succeed)         toast.maketext(this,r.string.t_picture_download_succeed,toast.length_short).show();     else         toast.maketext(this,result,toast.length_short).show(); } 

and kind of display, percent value of actual dowload, , numeric value value allready downloaded pictures :

for need create new class extend progessbar. detail please check http://colintmiller.com/how-to-add-text-over-a-progress-bar-on-android/