Android Open Source - AppMan App List Fragment

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.blueodin.appman.fragments;
//  w  w  w.  j a v a  2  s  . com
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.Loader;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

import com.actionbarsherlock.app.SherlockListFragment;
import com.blueodin.appman.R;
import com.blueodin.appman.content.AppListLoader;
import com.blueodin.appman.content.AppListLoader.AppEntry;

import java.util.List;

public class AppListFragment extends SherlockListFragment implements LoaderManager.LoaderCallbacks<List<AppListLoader.AppEntry>> {
  private static final int LOADER_ID = 0;
  
  private OnAppListInteraction mCallback = null;
  private AppListAdapter mListAdapter;
  
  public AppListFragment() { }

  public interface OnAppListInteraction {
    public void onAppSelected(AppListLoader.AppEntry appEntry);
  }

  @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);

    if(activity instanceof OnAppListInteraction)
      mCallback = ((OnAppListInteraction) activity);
  }

  @Override
  public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);

    setEmptyText("No Applications Found...");

    mListAdapter = new AppListAdapter(getActivity());
    setListAdapter(mListAdapter);

    setListShown(false);

    getActivity().getSupportLoaderManager().initLoader(LOADER_ID, null, this);
  }

  @Override
  public void onListItemClick(ListView l, View v, int position, long id) {
    if (mCallback == null)
      return;

    AppEntry appEntry = mListAdapter.getItem(position);

    mCallback.onAppSelected(appEntry);
  }

  @Override
  public Loader<List<AppListLoader.AppEntry>> onCreateLoader(int id, Bundle args) {
    return new AppListLoader(getActivity(), true);
  }

  @Override
  public void onLoadFinished(Loader<List<AppListLoader.AppEntry>> loader,
      List<AppListLoader.AppEntry> data) {
    mListAdapter.setData(data);
    
    if (isResumed())
      setListShown(true);
    else
      setListShownNoAnimation(true);
  }

  @Override
  public void onLoaderReset(Loader<List<AppListLoader.AppEntry>> loader) {
    mListAdapter.setData(null);
  }

  public void refresh() {
    getActivity().getSupportLoaderManager().restartLoader(LOADER_ID, null, this);
  }
  
  public static class AppListAdapter extends ArrayAdapter<AppEntry> {
    private final LayoutInflater mInflater;

    public AppListAdapter(Context context) {
      super(context, android.R.layout.simple_list_item_2);
      mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    }

    public void setData(List<AppEntry> entries) {
      clear();
      
      if(entries != null)
        addAll(entries);
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
      View rowView;
      AppEntry entry = getItem(position);
      
      if (convertView == null)
        rowView = mInflater.inflate(R.layout.app_list_row, parent, false);
      else
        rowView = convertView;
      
      ((ImageView) rowView.findViewById(R.id.image_app_icon)).setImageDrawable(entry.getIcon());
      ((TextView) rowView.findViewById(R.id.text_app_label)).setText(entry.getLabel());
      ((TextView) rowView.findViewById(R.id.text_app_package)).setText(entry.getPackageName());

      return rowView;
    }
  }
}

Java Source Code List

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