android - ProgressDialog in AsyncTask called from DialogFragment is not shown -

i executing asynctask inside dialogfragment progress bar not shown during doinbackground. here code:

public class getcustomersoapasync extends asynctask<void, void, string> {   progressdialog prg;   actionbaractivity activity;   getresponsefromgetcustomer listener;     public getcustomersoapasync(actionbaractivity activity, getresponsefromgetcustomer listener)   {     this.activity = activity;     this.listener = listener;     prg = new progressdialog(activity);     prg.setmessage("lütfen bekleyin");     log.i("ed","progress shown");     prg.show();    }      @override protected string doinbackground(void... params)   {     //some stuff   }    @override protected void onpostexecute(string s)   {     listener.getresponsefromgetcustomer(s);      if (prg.isshowing())     {         prg.dismiss();     }   } 

and call it:

public class b1_phonenumberfragment extends android.support.v4.app.fragment {  ...   buttonlogin.setonclicklistener(new onclicklistener()     {          @override         public void onclick(view v)         {           ...             phonenumberverified dialog = new phonenumberverified();                 dialog.show(getfragmentmanager(), "numberverifiedbyuser");          }         ...     }    ....      public class phonenumberverified extends dialogfragment   {     @override    public dialog oncreatedialog(bundle savedinstancestate)    {      // use builder class convenient dialog construction      alertdialog.builder builder = new alertdialog.builder(getactivity());      // format of dialog changed      builder.setmessage("numaranız doğru mu?\n" + "0" + number)                 .setpositivebutton(r.string.yes,                         new dialoginterface.onclicklistener()                         {                             public void onclick(dialoginterface dialog,                                                 int id)                             {                                 globalapplication.getuser().setphone(                                         (excludeparanthesis                                                 (number)));                                  //asynctask not working properly,                                 // progress dialog not shown , code flows before                                 // response set s                                 getcustomersoapasync getcustomersoapasync =                                         new getcustomersoapasync(                                                 (actionbaractivity) getactivity(),                                                 new getresponsefromgetcustomer()                                                  {                                                     @override                                                     public void getresponsefromgetcustomer                                                             (string s)                                                     {                                                         response = s;                                                     }                                                 });                                  getcustomersoapasync.execute();                                   log.i("ed", "response after getcustomersoapasync callback: " +                                             response);  } 

and finally, maybe because of flawed flow of tasks or maybe else, callback can't job, , response not set return value of asynctask.

thanks help!

you should use onpreexecute :

class task1 extends asynctask<object, void, string []> {      /** progress dialog. */     private final progressdialog dialog = new progressdialog(youractivity.this);       /**      * set progress dialog.      */     protected void onpreexecute()      {     super.onpreexecute();     this.dialog.setmessage("loading...");     this.dialog.show();     dialog.setcanceledontouchoutside(false);     }       protected string[] doinbackground(object... params) {         ///     }      protected void onpostexecute(string [] result)      {         super.onpostexecute(result);         this.dialog.dismiss();     }  } 

to call should:

task1 mytask = new task1();     mytask.execute(stoparrey, start, end); 

hope helped! :)