Android Open Source - android-final-exam-stuff Student List Fragment

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Back to project page android-final-exam-stuff.

License

The source code is released under:

Apache License

Java Source Code

package tr.edu.iyte.ceng389.finalexamstuff;
/*  w  w w  .  jav  a2  s  .  c om*/
import tr.edu.iyte.ceng389.finalexamstuff.StudentAdapter.Holder;
import android.app.Activity;
import android.app.ListFragment;
import android.app.LoaderManager;
import android.content.CursorLoader;
import android.content.Loader;
import android.database.Cursor;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;

public class StudentListFragment extends ListFragment implements LoaderManager.LoaderCallbacks<Cursor>, OnItemClickListener
{
  private StudentAdapter adapter;
  
  private OnStudentSelectedListener listener;
  
  public interface OnStudentSelectedListener
  {
    public void onStudentSelected(long id);
  }
  
  @Override
  public void onAttach(Activity activity)
  {
    try
    {
      listener = (OnStudentSelectedListener) activity;
    }
    catch(Exception e)
    {
      throw new ClassCastException("Activity must implement OnStudentSelectedListener!");
    }
    
    super.onAttach(activity);
  }
  
  @Override
  public void onActivityCreated(Bundle savedInstanceState)
  {
    super.onActivityCreated(savedInstanceState);
    
    adapter = new StudentAdapter(getActivity());
    setListAdapter(adapter);
    getListView().setOnItemClickListener(this);
    
    getLoaderManager().initLoader(1, null, this);
  }
  
  @Override
  public Loader<Cursor> onCreateLoader(int id, Bundle args)
  {
    String[] projection = new String[]
    {
      StudentProvider.COLUMN_ID,
      StudentProvider.COLUMN_NAME,
      StudentProvider.COLUMN_NUMBER,
      StudentProvider.COLUMN_DEPARTMENT
    };
    
    return new CursorLoader(getActivity(), StudentProvider.CONTENT_URI, projection, null, null, null);
  }

  @Override
  public void onLoadFinished(Loader<Cursor> loader, Cursor cursor)
  {
    adapter.swapCursor(cursor);
  }

  @Override
  public void onLoaderReset(Loader<Cursor> loader)
  {
    adapter.swapCursor(null);
  }

  @Override
  public void onItemClick(AdapterView<?> adapter, View view, int position, long id)
  {
    StudentAdapter.Holder holder = (Holder) view.getTag();
    listener.onStudentSelected(holder.id);
  }
}

Java Source Code List

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