Async And Listview Android

Question

BackgorundTask.java (How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?) public class BackgroundTask extends AsyncTask

Solution 1:

your code is fine. you just need to call this line after adding data

listAdapter.add(output); // after this line add below line
listAdapter.notifyDataSetChanged();

Solution 2:

The code to get the data back to the activity and to your listadapter seems okay to me. I think you just need to add a listAdapter.notifyDataSetChanged(); after listAdapter.add(output); so the listview knows it has to render itself anew.

Solution 3:

You have to set the adapter again when you receive output string as below :

Baca Juga

BackgorundTaskasyncTask= (BackgorundTask) newBackgorundTask(newBackgorundTask.AsyncResponse(){
        @OverridepublicvoidprocessFinish(String output){
            listAdapter.add(output);

            adapter = newMyCustomAdapter(listAdapter, this);

            finalListViewmainListView= (ListView)findViewById(R.id.listView);
    mainListView.setAdapter(adapter);
        }
    }).execute("some url");

Index Android

Async And Listview Android

Solution 1:

Solution 2:

Solution 3:

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