Android Open Source - PlayTunes Navigation List Adapter

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License

The source code is released under:
Copyright (c) 2014, Impeccable Labs, LLC. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions ar...
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Java Source Code

package com.ideabag.playtunes.adapter;
import com.ideabag.playtunes.PlaylistManager;
import com.ideabag.playtunes.R;
import com.ideabag.playtunes.database.MediaQuery;
import com.ideabag.playtunes.util.QueryCountTask;
//w ww . j av a2  s.  c om
import android.annotation.SuppressLint;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Color;
import android.graphics.LightingColorFilter;
import android.graphics.PorterDuff.Mode;
import android.provider.MediaStore;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class NavigationListAdapter extends BaseAdapter {
  
  private static final int ROW_COUNT = 7;
  
  private static final int[] badge_resources = {
    
    R.drawable.ic_action_search,
    R.drawable.ic_action_star_10,
    R.drawable.ic_action_mic,
    R.drawable.ic_action_record,
    
    R.drawable.ic_action_music_2,
    R.drawable.ic_action_guitar,
    R.drawable.ic_action_list_2,
    
    
  };
  
  private static final int[] label_string_resources = {
    
    R.string.search,
    R.string.playlist_name_starred,
    R.string.artists_plural,
    R.string.albums_plural,
    
    R.string.songs_plural,
    R.string.genres_plural,
    R.string.playlists_plural,
    
    
  };
  
  public static final int SEARCH = 0;
  public static final int STARRED = 1;
  
  public static final int ARTISTS = 2;
  public static final int ALBUMS = 3;
  public static final int SONGS = 4;
  public static final int GENRES = 5;
  public static final int PLAYLISTS = 6;
  
  
  
  private Context mContext;
  
  MediaQuery mAllArtistQuery;
  MediaQuery mAllSongsQuery;
  MediaQuery mAllAlbumsQuery;
  MediaQuery mAllGenresQuery;
  MediaQuery mAllPlaylistsQuery;
  MediaQuery mStarredQuery;
  
  
  public NavigationListAdapter( Context context ) {
    
    mContext = context;
    
    mAllArtistQuery = new MediaQuery(
        MediaStore.Audio.Artists.EXTERNAL_CONTENT_URI,
        new String[] {
            
          MediaStore.Audio.Artists._ID  
            
        },
        null,
        null,
        null);
    
    mAllAlbumsQuery = new MediaQuery(
        MediaStore.Audio.Albums.EXTERNAL_CONTENT_URI,
    new String[] {
        
      MediaStore.Audio.Albums._ID  
        
    },
    MediaStore.Audio.Media.ALBUM + "!=?",
    new String[] {
      
      mContext.getString( R.string.no_album_string )
      
    },
    null);
    
    mAllGenresQuery = new MediaQuery(
        MediaStore.Audio.Genres.EXTERNAL_CONTENT_URI,
        new String[] {
            
          MediaStore.Audio.Genres._ID  
            
        },
        null,
        null,
        null);
    mAllSongsQuery = new MediaQuery(
        MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
        new String[] {
            
          MediaStore.Audio.Media._ID  
            
        },
        MediaStore.Audio.Media.IS_MUSIC + " != 0",
        null,
        null);
    
    mAllPlaylistsQuery = new MediaQuery(
            MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI,
            new String[] {
                
              MediaStore.Audio.Playlists._ID  
                
            },
            null,
            null,
            null);
    
    String starred_playlist_id = new PlaylistManager( mContext ).createStarredIfNotExist();
    
    mStarredQuery = new MediaQuery(
        
        MediaStore.Audio.Playlists.Members.getContentUri( "external", Long.parseLong( starred_playlist_id ) ),
          
        new String[] {
          
          MediaStore.Audio.Playlists.Members.AUDIO_ID
          
          },
          null,
          null,
        null
      );
    
  }
  
  @Override public int getCount() {
    
    return ROW_COUNT;
    
  }

  @Override
  public Object getItem(int position) {
    // TODO Auto-generated method stub
    return null;
  }

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

  
  @Override public View getView( int position, View convertView, ViewGroup parent ) {
    
    ViewHolder holder;
    
    if ( null == convertView ) {
      
      holder = new ViewHolder();
      
      LayoutInflater li = ( LayoutInflater ) mContext.getSystemService( Context.LAYOUT_INFLATER_SERVICE );
      convertView = li.inflate( R.layout.list_item_navigation_title, null );
      
      holder.title = ( TextView ) convertView.findViewById( R.id.Title );
      holder.badgeCount =  ( TextView ) convertView.findViewById( R.id.BadgeCount );
      holder.badgeIcon = ( ImageView ) convertView.findViewById( R.id.BadgeIcon );
      
      convertView.setTag( holder );
      
    } else {
      
      holder = ( ViewHolder ) convertView.getTag();
      
    }
    
    if ( position == ARTISTS ) {
      
      new QueryCountTask( holder.badgeCount ).execute( mAllArtistQuery );
      
    } else if ( position == ALBUMS ) {
      
      new QueryCountTask( holder.badgeCount ).execute( mAllAlbumsQuery );
      
    } else if ( position == GENRES ) {
      
      new QueryCountTask( holder.badgeCount ).execute( mAllGenresQuery );
      
    } else if ( position == SONGS ) {
      
      new QueryCountTask( holder.badgeCount ).execute( mAllSongsQuery );
      
    } else if ( position == STARRED) {
      
      new QueryCountTask( holder.badgeCount ).execute( mStarredQuery );
      
    } else if ( position == PLAYLISTS ) {
      
      new QueryCountTask( holder.badgeCount ).execute( mAllPlaylistsQuery );
      
    }

    String title = mContext.getResources().getString( label_string_resources[ position ] );
    int icon_resource = badge_resources[ position ];
    
    holder.title.setText( title );
    
    holder.badgeIcon.setImageResource( icon_resource );
    
    int badgeColor = mContext.getResources().getColor( R.color.textColorPrimary );
    
    
    if ( position != STARRED ) {
      
      holder.badgeIcon.setColorFilter( new LightingColorFilter( badgeColor, badgeColor ) );
      
    }
    
    //.setColorFilter( Color.RED, Mode.MULTIPLY );
    
    return convertView;
    
  }
  
  static class ViewHolder {
    
    TextView badgeCount;
    ImageView badgeIcon;
    TextView title;
    
  }

}
Java Source Code List
