Android Open Source - kure-music-player Adapter Song

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.kure.musicplayer.adapters;
//  ww  w .j  a  v a2  s. co  m
import java.util.ArrayList;

import com.kure.musicplayer.R;
import com.kure.musicplayer.model.Song;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.LinearLayout;
import android.widget.TextView;

/**
 * Maps `Songs` inside `ArrayLists` into `TextView` fields.
 * 
 * We'll map the ArrayList from our MainActivity into
 * multiple Artist/Title fields inside our activity_main Layout.
 *
 */
public class AdapterSong extends BaseAdapter {

  private ArrayList<Song> songs;
  private LayoutInflater songInflater;
  
  public AdapterSong(Context c, ArrayList<Song> theSongs) {
    songs = theSongs;
    songInflater = LayoutInflater.from(c);
  }
  
  @Override
  public int getCount() {
    return songs.size();
  }

  @Override
  public Object getItem(int position) {
    return songs.get(position);
  }

  @Override
  public long getItemId(int position) {
    // TODO Auto-generated method stub
    return 0;
  }

  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    
    // Will map from a Song to a Song layout
    LinearLayout songLayout = (LinearLayout)songInflater.inflate(R.layout.menu_item_song,
                                                             parent,
                                                             false);
    
    TextView titleView  = (TextView)songLayout.findViewById(R.id.menu_item_song_title);
    TextView artistView = (TextView)songLayout.findViewById(R.id.menu_item_song_artist);
    TextView albumView  = (TextView)songLayout.findViewById(R.id.menu_item_song_album);
    
    Song currentSong = songs.get(position);
    
    String title = currentSong.getTitle();
    if (title.isEmpty())
      titleView.setText("<unknown>");
    else
      titleView.setText(currentSong.getTitle());
    
    String artist = currentSong.getArtist();
    if (artist.isEmpty())
      artistView.setText("<unknown>");
    else
      artistView.setText(currentSong.getArtist());
    
    String album = currentSong.getAlbum();
    if (album.isEmpty())
      albumView.setText("<unknown>");
    else
      albumView.setText(currentSong.getAlbum());
    
    // Saving position as a tag.
    // Each Song layout has a onClick attribute,
    // which calls a function that plays a song
    // with that tag.
    songLayout.setTag(position);
    return songLayout;
  }
}

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