Android Open Source - mha-android Song Fragment

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License

The source code is released under:

Copyright (c) 2011-2012 Cameron Porter, Ryan Brown http://github.com/camporter/mha-android Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated...

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Java Source Code

package com.teamacra.myhomeaudio.ui.fragment;
/*from w  w w  . j  ava 2 s  .c  om*/
import java.util.ArrayList;

import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ExpandableListView;
import android.widget.ListView;
import android.widget.Toast;

import com.teamacra.myhomeaudio.R;
import com.teamacra.myhomeaudio.media.MediaDescriptor;

public class SongFragment extends Fragment {

  private ArrayAdapter mListAdapter;
  private ListView mMediaListView;
  private ArrayList<MediaDescriptor> mMediaList;
  private OnSongSelectedListener mListener;

  public static SongFragment newInstance() {
    SongFragment fragment = new SongFragment();

    return fragment;
  }

  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {

    View view = inflater.inflate(R.layout.song_fragment, container, false);

    mMediaList = new ArrayList<MediaDescriptor>();
    mListAdapter = new ArrayAdapter<MediaDescriptor>(this.getActivity(),
        android.R.layout.simple_list_item_1, mMediaList);
    mMediaListView = (ListView) view.findViewById(R.id.songListView);
    mMediaListView.setAdapter(mListAdapter);
    mMediaListView.setOnItemClickListener(new OnItemClickListener() {

      @Override
      public void onItemClick(AdapterView<?> parent, View view,
          int position, long id) {
        mListener.onSongSelected(mMediaList.get(position));
        Toast.makeText(getActivity(), mMediaList.get(position).title(),
            Toast.LENGTH_SHORT).show();
      }
    });
    return view;
  }

  /**
   * Clears any previous songs out of the list, adds a new song
   * 
   * @param newMedia
   */
  public void updateSongList(ArrayList<MediaDescriptor> newMedia) {
    if (newMedia != null) {
      mMediaList.clear();
      mMediaList.addAll(newMedia);
      mListAdapter.notifyDataSetChanged();
    }
  }
  
  @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);
    try {
      mListener = (OnSongSelectedListener) activity;
    } catch (ClassCastException e) {
      throw new ClassCastException(activity.toString() + " must implement OnSongSelectedListener");
    }
  }
  
  public interface OnSongSelectedListener {
    public void onSongSelected(MediaDescriptor song);
  }
}

Java Source Code List