Android ListActivity Adapter Класс недоступен

Question

Я пытаюсь сделать ListView, и я знаю, что мой AsyncTask запускается через файл журнала, но фактический класс адаптера не вызывается, потому что у меня тоже есть журнал. он не показывает.

@Override 
     protected void onPostExecute(Void result) { 
      super.onPostExecute(result); 

      TaskAdapter adapter = new TaskAdapter(ToDoList.this, R.layout.item_task, tasks); 
      setListAdapter(adapter); 

      Log.d("demo", "onPostExecute ACCESSED"); 

     } 

TaskAdapter.java

public class TaskAdapter extends ArrayAdapter<Task>{ 

private Context context; 
private List<Task> objects; 

public TaskAdapter(Context context, int resource, List<Task> objects) { 
    super(context, resource, objects); 
    this.context = context; 
    this.objects = objects; 
    } 

@Override 
public View getView(int position, View convertView, ViewGroup parent) { 

    Task task = objects.get(position); 

    LayoutInflater inflater = 
      (LayoutInflater) context.getSystemService(Activity.LAYOUT_INFLATER_SERVICE); 
    View view = inflater.inflate(R.layout.item_task, null); 

    // Get Text Views 
    TextView tv_title = (TextView) view.findViewById(R.id.task_title); 
    TextView tv_item = (TextView) view.findViewById(R.id.task_item); 

    tv_title.setText(task.getTitle()); 
    tv_item.setText(task.getItem()); 

    Log.d("demo", "ADAPTER ACCESSED"); 

    return view; 
    } 


} 

activity_to_do_list.xml

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" 
xmlns:tools="http://schemas.android.com/tools" 
android:id="@+id/container" 
android:layout_width="match_parent" 
android:layout_height="match_parent" 
tools:context="com.example.geotasker.ToDoList" 
tools:ignore="MergeRootFrame" > 

    <TextView 
    android:id="@+id/textView1" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:text="To Do List Here" 
    android:textAppearance="?android:attr/textAppearanceLarge" /> 

    <ListView 
    android:id="@+id/android:list" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" /> 

</FrameLayout> 

ToDoList (Моя активность)

public class ToDoList extends ListActivity { 

private ActionBarActivity abarAct; 

// Needed stuff for getting Tasks list and creating ListView 
DataManager dm; 
ArrayList<Task> tasks; 
Task task; 

@Override 
protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_to_do_list); 
    abarAct = new ActionBarActivity(); 

//  if (savedInstanceState == null) { 
//   abarAct.getSupportFragmentManager().beginTransaction() 
//     .add(R.id.container, new PlaceholderFragment()).commit(); 
//  } 

    tasks = new ArrayList<Task>(); 
    task = new Task(); 
    dm = new DataManager(this); 

//  TextView tv = (TextView) findViewById(R.id.textView1); 
//  tv.setText(tasks.get(0).getTitle()); 

    new GetGeoTasks().execute(); 

} 

@Override 
public boolean onCreateOptionsMenu(Menu menu) { 

    // Inflate the menu; this adds items to the action bar if it is present. 
    getMenuInflater().inflate(R.menu.to_do_list, menu); 
    return true; 
} 

@Override 
public boolean onOptionsItemSelected(MenuItem item) { 
    // Handle action bar item clicks here. The action bar will 
    // automatically handle clicks on the Home/Up button, so long 
    // as you specify a parent activity in AndroidManifest.xml. 
    int id = item.getItemId(); 
    if (id == R.id.action_settings) { 
     return true; 
    } 
    return super.onOptionsItemSelected(item); 
} 

/** 
* A placeholder fragment containing a simple view. 
*/ 
public static class PlaceholderFragment extends Fragment { 

    public PlaceholderFragment() { 
    } 

    @Override 
    public View onCreateView(LayoutInflater inflater, ViewGroup container, 
      Bundle savedInstanceState) { 
     View rootView = inflater.inflate(R.layout.fragment_to_do_list, 
       container, false); 
     return rootView; 
    } 
} 


// If any errors occur, then make a method to first check the db for tasks, then execute AsyncTask 

// AsyncTask to get GeoTasks 
    private class GetGeoTasks extends AsyncTask<Void, Void, Void> { 

     @Override 
     protected Void doInBackground(Void... params) { 

      tasks = dm.getAllTasks(); 
      Log.d("demo", "doInBackground ACCESSED"); 

      return null; 
     } 

     @Override 
     protected void onPostExecute(Void result) { 
      super.onPostExecute(result); 

      TaskAdapter adapter = new TaskAdapter(ToDoList.this, R.layout.item_task, tasks); 
      setListAdapter(adapter); 

      Log.d("demo", "onPostExecute ACCESSED"); 

     } 

     @Override 
     protected void onPreExecute() { 
      super.onPreExecute(); 
     } 


    } // END GetGeoTasks 


} 

Может кто-нибудь помочь мне точку в правильном направлении? Благодарю.

Answer 1

Попробуйте добавить

adapter.notifyDataSetChanged(); 

ниже setListAdapter (адаптер);

надеюсь, что это помогло вам =)