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Home/ Questions/Q 610937
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Editorial Team
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Editorial Team
Asked: May 13, 20262026-05-13T17:43:46+00:00 2026-05-13T17:43:46+00:00

friends, i have problem in calling notifydatasetchanged(); it is giving me exception source not

  • 0

friends,

i have problem in calling notifydatasetchanged();
it is giving me exception source not found can any one guide me what mistake am i doing?
if i assign data on create it works fine. but in case of updating list it wont.

any help would be appriciated.

private static EfficientAdapter adap; //global variable

 @Override
      public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);
        setContentView(R.layout.listsearched);
if(filevalue== "true")
{
    adap = new EfficientAdapter(this);
setListAdapter(adap);


}


}
  private static void RefreshList()
      {
        data = new String[DalMapSearch.MyPassableObject.size()];
        TitleString=new String[DalMapSearch.MyPassableObject.size()];
        DetailString=new String[DalMapSearch.MyPassableObject.size()];

        int i=0;
        for (DalMapSearch t : DalMapSearch.MyPassableObject)
         {
            data[i]= t.getAd_id();
            TitleString[i]= t.getAd_text();
            DetailString[i]=t.getLocation();
            i=i+1;
         }


        adap.notifyDataSetChanged();

      }
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  1. Editorial Team
    Editorial Team
    2026-05-13T17:43:47+00:00Added an answer on May 13, 2026 at 5:43 pm

    If you outcomment if(filevalue== “true”) , is it the same result (source not found) ?
    Be sure that you dont calling RefreshList() if the adapter isnt set. For exampel if your fileValue == “false” when oncreate the adapter wouldnt be created.

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