Android : update remaining time in childs of Expendable List View every second android

**the code views the remaining time every second but no action has been done ..i can't collapse group , expand another group or click on child ..Please i need help :( **

in Profile Fragment

expListView.setOnGroupExpandListener(new OnGroupExpandListener() {

                 @Override
                 public void onGroupExpand(final int groupPosition) {
                    // notify=true;
                     SharedPreferences prefs = rootview.getContext().getSharedPreferences("QuranerUser", Context.MODE_PRIVATE);
                      SharedPreferences.Editor editor = prefs.edit();
                     editor.putInt("center_pos", groupPosition);
                     editor.putString("centerid", result.get(0).get(0).get(0).get(groupPosition));
                     editor.commit();


                               LayoutInflater infalInflater = (LayoutInflater) rootview.getContext()
                                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
                          view = infalInflater.inflate(R.layout.list_item, null);
                          final TextView newtime=(TextView)view.findViewById(R.id.rtime);



                          LayoutInflater infalInflater2 = (LayoutInflater)  rootview.getContext()
                                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
                            convertView = infalInflater2.inflate(R.layout.list_group, null);


                     m_Runnable = new Runnable() {
                            public void run() {



                            for(int i=0;i<re_result.get(groupPosition).size();i++){ 

                                  r_t=Long.parseLong(re_result.get(groupPosition).get(i));
                                  r_t=r_t-1;
                                  if(r_t>0){
                                     re_result.get(groupPosition).set(i, Long.toString(r_t));
                                    listAdapter.notifyDataSetChanged();





                                    ExpandableListAdapter.formate_Remainig(re_result.get(groupPosition).get(i)));
                                //  resetDataCell(v);


                                }
                                    // update every second



                            }   


                            m_Handler.postDelayed(m_Runnable, 1000);

                            }

                        }; 


                     Toast.makeText(getActivity(),
                             listDataHeader.get(groupPosition) + " Expanded",
                             Toast.LENGTH_SHORT).show();
                 }
             });


// Listview Group collasped listener
             expListView.setOnGroupCollapseListener(new OnGroupCollapseListener() {

                 @Override
                 public void onGroupCollapse(int groupPosition) {
                     notify=false;
                       Toast.makeText(getActivity(),
                             listDataHeader.get(groupPosition) + " Collapsed",
                             Toast.LENGTH_SHORT).show();

                 }
             });

In ExpandableListAdapter:

  final TextView newtime=(TextView)view.findViewById(R.id.rtime);

        final Thread testthread = new Thread() {
            @Override
            public void run() {
                android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_BACKGROUND);




                                        try {
                                            while(true) {
                                                sleep(1000);
                                                MyProfileFragment.m_Handler.post(MyProfileFragment.m_Runnable);

                                            }
                                        } catch (InterruptedException e) {
                                            e.printStackTrace();
                                        }
                                    }
        };

      testthread.start();

     newtime.setText(formate_Remainig(Rem.get(groupPosition).get(childPosition)));
        time_schedule=Start_time(Long.parseLong(EN.get(groupPosition).get(childPosition)),Long.parseLong(ST.get(groupPosition).get(childPosition)),Integer.parseInt(offset.get(groupPosition).get(childPosition)));

       String check=  check_time(Long.parseLong(EN.get(groupPosition).get(childPosition)), Long.parseLong(ST.get(groupPosition).get(childPosition)),Days.get(groupPosition).get(childPosition));

            if(check.equalsIgnoreCase("time")){
               newtime.setVisibility(TextView.VISIBLE);
              newtime.setText(formate_Remainig(Rem.get(groupPosition).get(childPosition)));}