java - onPostExecute is not working in fragment activity -

i want load data website using jsoup in fragment activity , show output in textview. using asynctask load data website using jsoup after getting data website onpostexecute method in asynctask not displaying data. have tried debug , seems there problem in onpostexecute , don't know why.

here code..

mainactivity2.java

package com.example.ebad.bustudentprofile;  import android.os.bundle; import android.support.v4.app.fragmentactivity; import android.support.v4.view.viewpager;  import com.example.ebad.bustudentprofile.tabs.slidingtablayout;  public class mainactivity2 extends fragmentactivity {      @override     protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_main2);          // layout manager allows user flip through pages         viewpager viewpager = (viewpager) findviewbyid(r.id.viewpager);          // getsupportfragmentmanager allows use interact fragments         // myfragmentpageradapter return fragment based on index passed         viewpager.setadapter(new myfragmentpageradapter(getsupportfragmentmanager(),                 mainactivity2.this));          // initialize sliding tab layout         slidingtablayout slidingtablayout = (slidingtablayout) findviewbyid(r.id.sliding_tabs);          // connect viewpager sliding tab layout         slidingtablayout.setviewpager(viewpager);     }   } 

myfragmentpageradapter.java

package com.example.ebad.bustudentprofile;  import android.content.context; import android.support.v4.app.fragment; import android.support.v4.app.fragmentmanager; import android.support.v4.app.fragmentpageradapter;  public class myfragmentpageradapter extends fragmentpageradapter {      private string tabtitles[] = new string[]{"tab 1", "tab 2", "tab 3"};     private context context;      public myfragmentpageradapter(fragmentmanager fm, context context) {         super(fm);         this.context = context;     }      @override     public int getcount() {         return 3;     }      // return correct fragment based on index     @override     public fragment getitem(int position) {         if (position == 0) {             return new tabfragment1();         } else if (position == 1) {             return new tabfragment2();         } else if (position == 2) {             return new tabfragment3();         }          return null;     }      @override     public charsequence getpagetitle(int position) {         // return tab title slidingtablayout         return tabtitles[position];     }   } 

tabfragment1.java

package com.example.ebad.bustudentprofile;   import android.app.activity; import android.app.progressdialog; import android.content.context; import android.os.asynctask; import android.os.bundle; import android.support.v4.app.fragment; import android.view.layoutinflater; import android.view.view; import android.view.viewgroup; import android.widget.textview;  import org.jsoup.jsoup; import org.jsoup.nodes.document;  import java.util.hashmap;   public class tabfragment1 extends fragment {      progressdialog progressdialoge;     textview fa, na;     string urlw = "http://111.68.99.8/studentprofile/personalinfo.aspx";     hashmap<string, string> hashmap;       @override     public view oncreateview(layoutinflater inflater, viewgroup container,                              bundle savedinstancestate) {         // todo auto-generated method stub          hashmap = data.map;          //hashmap = (hashmap<string, string>) getarguments().get("hashmap");         view rootview = inflater.inflate(r.layout.tab_fragment_1, container, false);         activity activity = getactivity();          fa = (textview) rootview.findviewbyid(r.id.fathere);         na = (textview) rootview.findviewbyid(r.id.y_name);          new peea(activity,rootview).execute();          return inflater.inflate(r.layout.tab_fragment_1, container, false);     }       private class peea extends asynctask<void, void, void> {          string father ;         string son ;         private context activity;         private view rootview;          public peea(context context, view main){             this.activity=context;             this.rootview=main;         }          @override         protected void onpreexecute() {             super.onpreexecute();             progressdialoge = new progressdialog(getactivity());             progressdialoge.setmessage("getting information");             progressdialoge.show();         }          @override         protected void doinbackground(void... params) {              try {                 document doce = jsoup.connect(urlw)                         .cookies(hashmap)                         .get();                  father = doce.select("span[id=ctl00_body_fathername]").html();                 son = doce.select("span[id=ctl00_body_name]").html();               } catch (exception e) {                 e.printstacktrace();             }              return null;         }           @override         protected void onpostexecute(void avoid) {            super.onpreexecute();                textview wa = (textview)rootview.findviewbyid(r.id.y_name);                 wa.settext(son);                  /*fa.settext(father);                   na.settext(son);*/                 /*fa = (textview)findviewbyid(r.id.das);                  fa.settext(father);*/                  progressdialoge.dismiss();              }           }      } 

tab_fragment_1.xml

<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:orientation="vertical">       <textview          android:id="@+id/fathere"         android:layout_width="match_parent"         android:layout_height="wrap_content"         android:text="father name"         android:textsize="25dp" />      <textview         android:id="@+id/y_name"         android:layout_width="match_parent"         android:layout_height="wrap_content"         android:layout_gravity="center_horizontal"         android:text="your name"         android:textsize="30dp" /> </linearlayout> 

if guys tell problem or how solve it, helpful me

i don't think super class has onpreexecute function, so

super.onpreexecute(); 

may causing issues. can try

super.onpostexecute(); 

that may fix it.