android - ListView with ImageView and TextView, after Scrolling down an Up a random item is set -

i have list imageview , textview. read scann time , specified position of textview has set. done right way, after srolling down , textview in listview set. seeing not new, not solve problem.any idea?? baseadapter in following. tried more week no solution

  @override         public view getview( final int position, view convertview, viewgroup parent) {              if (convertview == null) {                 log.d("convertview", "nulll");                   convertview = layoutinflater.from(mcontenxt).inflate(                         r.layout.list_items, null);                  holder = new viewholder();                  holder.textview = (textview) convertview                         .findviewbyid(r.id.placename);                  holder.imageview = (imageview) convertview                         .findviewbyid(r.id.itemsymbole);                  holder.textdate = (textview) convertview                         .findviewbyid(r.id.txtviewtimeanddate);                  holder.imagemap = (imageview)convertview.findviewbyid(r.id.imageviewmap);                  holder.linearlayouttext = ( linearlayout)convertview.findviewbyid(r.id.txtviewlist);                   holder.linearlayoutimage = ( linearlayout)convertview.findviewbyid(r.id.thumbnail);                  convertview.settag(holder);              }                 log.d("convertview", "not nullll");                 holder = (viewholder) convertview.gettag();               holder.id = position;              holder.textview.settext(items.get(position).get("productname"));             holder.imageview.setid(position);               holder.linearlayouttext.setbackgroundcolor(position);               if (items.get(position).get("identifier")                     .equals(com.metasec.wachmann.itemactivity.uid)) {                  holder.linearlayouttext.setbackgroundcolor(color.cyan);                  holder.imageview.setimageresource(r.drawable.ok);                  log.d("timeeee", itemactivity.scanndateandtime);                  holder.textdate.settext(itemactivity.scanndateandtime);                 notifydatasetchanged();             }else {                 holder.imageview.setimageresource(r.drawable.not_ok);                holder.textdate.settext("");                notifydatasetchanged();             }              holder.linearlayouttext.setonclicklistener(new onclicklistener() {                  @override                 public void onclick(view v) {                     // todo auto-generated method stub                      holder.linearlayouttext.setbackgroundcolor(position);                     holder.linearlayouttext.setbackgroundcolor(color.red);                     notifydatasetchanged();                      string placename = items.get(position).get("productname");                     string identifier = items.get(position).get("identifier");                     string itemid = items.get(position).get("itemid");                     string propertybaseid = null;                      string gpscoordinates = null;                      gpstracker gpstracker = new gpstracker(mcontenxt);                     gpstracker.stopusinggps();                      double latitude = 0;                     double longitude = 0;                      if (gpstracker.cangetlocation()) {                         latitude = gpstracker.getlatitude();                         longitude = gpstracker.getlongitude();                          gpscoordinates = latitude + ", " + longitude;                     }                      (int k = 0; k < loggedactivity.propertybaselist.size(); k++) {                         if (loggedactivity.propertybaselist.get(k).getname()                                 .equals("xxxxxxx")) {                              propertybaseid = loggedactivity.propertybaselist.get(k)                                     .getpropertybaseid();                               intent intentsenderdatatoserver = new intent(mcontenxt,                                     senderreportdemagetoserveractivity.class);                                // give itemid                             intentsenderdatatoserver.putextra(item_id, itemid);                              // give groupid                             intentsenderdatatoserver.putextra(product_name,                                     placename);                              // give groupname                             intentsenderdatatoserver.putextra(identifier,                                     identifier);                              // give propertybaseid                             intentsenderdatatoserver.putextra(property_base_id,                                     propertybaseid);                              // give gps coordinates                             intentsenderdatatoserver.putextra(gps_coordinates,                                     gpscoordinates);                              log.d("items.get(position).get(productnnnnname)", items                                     .get(position).get("productname"));                              intentsenderdatatoserver.putextra("productname",                                     placename);                             intentsenderdatatoserver.putextra("identifier",                                     identifier);                             mcontenxt.startactivity(intentsenderdatatoserver);                          } // end if loop                      } // end loop                  }             });                holder.imagemap.setonclicklistener(new onclicklistener() {                  @override                 public void onclick(view v) {                     // todo auto-generated method stub                      string placename = items.get(position).get("productname");                     string identifier = items.get(position).get("identifier");                     string itemid = items.get(position).get("itemid");                       log.d("placename11",placename);                     log.d("identifier111",identifier);                     log.d("itemid111",itemid);                      intent intentwachmanmapactivitiy = new intent(mcontenxt,                             wachmanopenstreetmapviewactivity.class);                       intentwachmanmapactivitiy.putextra(item_id, itemid);                      // give groupid                     intentwachmanmapactivitiy.putextra(product_name,                             placename);                      // give groupname                     intentwachmanmapactivitiy.putextra(identifier,                             identifier);                      log.d("items.get(position).get(productnnnnname)", items                             .get(position).get("productname"));                      intentwachmanmapactivitiy.putextra("productname",                             placename);                     intentwachmanmapactivitiy.putextra("identifier",                             identifier);                       mcontenxt.startactivity(intentwachmanmapactivitiy);                  }             });              return convertview;         }          static class viewholder {             textview textview = null;             textview textdate = null;             checkbox checkbox = null;             imageview imageview = null;             imageview imagemap = null;             imagebutton imagebuttonmap = null;              linearlayout linearlayouttext = null;             linearlayout linearlayoutimage = null;             int id;          } 

and following class shows own adapter called. backgroudn have call adapter ofter , previous time , figure has remained.

private class sendbackground extends asynctask<void, void, boolean> {     @override     protected void onpreexecute() {           mprogdialog = new progressdialog(getbasecontext());           mprogdialog.setprogressstyle(progressdialog.style_spinner);           mprogdialog = progressdialog.show(itemactivity.this, "sending", " please wait" );      }       @override     protected boolean doinbackground(void... params) {         // todo auto-generated method stub                     return httprequest.postdata(itemidtmp, propertybaseidtmp, uid, coordinatestmp);     }      @override     protected void onpostexecute(boolean result) {         log.d("sendbackground", "onpostexecute");          if (result == true) {             log.d("onpostexecute", "true");             //mprogressbar.setvisibility(view.gone);              mprogdialog.dismiss();             toast.maketext(getapplicationcontext(), "data sent..",                     toast.length_long).show();                      /*----------------------------->>>> whenever server true return oown adapter hast adapted, mentioned state , time of previous items have remained */             //setlistadapter(mybaseadapteritemactivity);             listview.setadapter(mybaseadapteritemactivity);             mybaseadapteritemactivity.notifydatasetchanged();         } else {              mprogdialog.dismiss();              toast.maketext(getapplicationcontext(),                     "sending data server failed", toast.length_long)                     .show();         }     }  } 

// read comments write need modifiaction // not call notifiy dataset change inside adapter. // if not work write sample code

@override  public view getview( final int position, view convertview, viewgroup parent) {       viewholder holder = null; // use        if (convertview == null) {          log.d("convertview", "nulll");            convertview = layoutinflater.from(mcontenxt).inflate(                  r.layout.list_items, null);           holder = new viewholder();           holder.textview = (textview) convertview                  .findviewbyid(r.id.placename);           holder.imageview = (imageview) convertview                  .findviewbyid(r.id.itemsymbole);           holder.textdate = (textview) convertview                  .findviewbyid(r.id.txtviewtimeanddate);           holder.imagemap = (imageview)convertview.findviewbyid(r.id.imageviewmap);           holder.linearlayouttext = ( linearlayout)convertview.findviewbyid(r.id.txtviewlist);            holder.linearlayoutimage = ( linearlayout)convertview.findviewbyid(r.id.thumbnail);           convertview.settag(holder);       } else {          holder = (viewholder) convertview.gettag(); // new changes          log.d("convertview", "not nullll");      }       holder.id = position;       holder.textview.settext(items.get(position).get("productname"));      holder.imageview.setid(position); // why set position cause error        //holder.linearlayouttext.setbackgroundcolor(position);        if (items.get(position).get("identifier")              .equals(com.metasec.wachmann.itemactivity.uid)) {           holder.linearlayouttext.setbackgroundcolor(color.cyan);           holder.imageview.setimageresource(r.drawable.ok);           log.d("timeeee", itemactivity.scanndateandtime);           holder.textdate.settext(itemactivity.scanndateandtime);         // notifydatasetchanged(); no need call it.      }else {          holder.imageview.setimageresource(r.drawable.not_ok);         holder.linearlayouttext.setbackgroundcolor(color.green);         holder.textdate.settext("");         //notifydatasetchanged(); no need call it.      }       holder.linearlayouttext.settag(position);      holder.linearlayouttext.setonclicklistener(new onclicklistener() {           @override          public void onclick(view v) {              // holder.linearlayouttext.setbackgroundcolor(position);              holder.linearlayouttext.setbackgroundcolor(color.red);             // notifydatasetchanged();               int selectedposition = (integer)v.gettag();               string placename = items.get(selectedposition).get("productname");              string identifier = items.get(selectedposition).get("identifier");              string itemid = items.get(selectedposition).get("itemid");              string propertybaseid = null;               string gpscoordinates = null;               gpstracker gpstracker = new gpstracker(mcontenxt);              gpstracker.stopusinggps();               double latitude = 0;              double longitude = 0;               if (gpstracker.cangetlocation()) {                  latitude = gpstracker.getlatitude();                  longitude = gpstracker.getlongitude();                   gpscoordinates = latitude + ", " + longitude;              }               // starting activity in lop dangerous because              // launching many activity.              // should pass array               // not know requirement.               (int k = 0; k < loggedactivity.propertybaselist.size(); k++) {                  if (loggedactivity.propertybaselist.get(k).getname()                          .equals("xxxxxxx")) {                       propertybaseid = loggedactivity.propertybaselist.get(k)                              .getpropertybaseid();                        intent intentsenderdatatoserver = new intent(mcontenxt,                              senderreportdemagetoserveractivity.class);                         // give itemid                      intentsenderdatatoserver.putextra(item_id, itemid);                       // give groupid                      intentsenderdatatoserver.putextra(product_name,                              placename);                       // give groupname                      intentsenderdatatoserver.putextra(identifier,                              identifier);                       // give propertybaseid                      intentsenderdatatoserver.putextra(property_base_id,                              propertybaseid);                       // give gps coordinates                      intentsenderdatatoserver.putextra(gps_coordinates,                              gpscoordinates);                       log.d("items.get(position).get(productnnnnname)", items                              .get(position).get("productname"));                       intentsenderdatatoserver.putextra("productname",                              placename);                      intentsenderdatatoserver.putextra("identifier",                              identifier);                      mcontenxt.startactivity(intentsenderdatatoserver);                   } // end if loop               } // end loop           }      });       holder.imagemap.settag(postion);       holder.imagemap.setonclicklistener(new onclicklistener() {           @override          public void onclick(view v) {              // todo auto-generated method stub              int selectedposition = (integer)v.gettag();              string placename = items.get(selectedposition).get("productname");              string identifier = items.get(selectedposition).get("identifier");              string itemid = items.get(selectedposition).get("itemid");                log.d("placename11",placename);              log.d("identifier111",identifier);              log.d("itemid111",itemid);               intent intentwachmanmapactivitiy = new intent(mcontenxt,                      wachmanopenstreetmapviewactivity.class);                intentwachmanmapactivitiy.putextra(item_id, itemid);               // give groupid              intentwachmanmapactivitiy.putextra(product_name,                      placename);               // give groupname              intentwachmanmapactivitiy.putextra(identifier,                      identifier);               log.d("items.get(position).get(productnnnnname)", items                      .get(position).get("productname"));               intentwachmanmapactivitiy.putextra("productname",                      placename);              intentwachmanmapactivitiy.putextra("identifier",                      identifier);              mcontenxt.startactivity(intentwachmanmapactivitiy);           }      });       return convertview;  }   static class viewholder {      textview textview = null;      textview textdate = null;      checkbox checkbox = null;      imageview imageview = null;      imageview imagemap = null;      imagebutton imagebuttonmap = null;       linearlayout linearlayouttext = null;      linearlayout linearlayoutimage = null;      int id;   }