Android Open Source - PlayTunes Artist Singles Fragment

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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.fragment;
/* w ww .j av  a  2s .  co m*/
import com.google.android.gms.analytics.HitBuilders;
import com.google.android.gms.analytics.Tracker;
import com.ideabag.playtunes.R;
import com.ideabag.playtunes.activity.MainActivity;
import com.ideabag.playtunes.adapter.ArtistSinglesAdapter;
import com.ideabag.playtunes.database.MediaQuery;
import com.ideabag.playtunes.dialog.SongMenuDialogFragment;
import com.ideabag.playtunes.util.IMusicBrowser;
import com.ideabag.playtunes.util.IPlayableList;
import com.ideabag.playtunes.util.TrackerSingleton;
import com.ideabag.playtunes.util.GAEvent.Categories;
import com.ideabag.playtunes.util.GAEvent.Playlist;

import android.app.Activity;
import android.database.ContentObserver;
import android.database.Cursor;
import android.os.Bundle;
import android.os.Handler;
import android.provider.MediaStore;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.app.ListFragment;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.ToggleButton;

public class ArtistSinglesFragment extends SaveScrollListFragment implements IMusicBrowser, IPlayableList {
  
  public static final String TAG = "Artist Singles Fragment";
  
  private static final char DASH_SYMBOL = 0x2013;
  
  ArtistSinglesAdapter adapter;
  
  private MainActivity mActivity;
  private Tracker mTracker;
  
  private String ARTIST_ID = "";
  
  @Override public void setMediaID( String media_id ) {
    
    ARTIST_ID = media_id;
    
  }
  
  @Override public String getMediaID() { return ARTIST_ID; }
  
  @Override public void onAttach( Activity activity ) {
      
    super.onAttach( activity );
    
    mActivity = ( MainActivity ) activity;
    mTracker = TrackerSingleton.getDefaultTracker( mActivity );
    mTracker.setScreenName( TAG );
    
    //mActivity.setActionbarTitle( adapter.ARTIST_NAME );
    MediaQuery mGetArtistName = new MediaQuery(
        MediaStore.Audio.Artists.EXTERNAL_CONTENT_URI,
        new String[] {
              
              MediaStore.Audio.Artists.ARTIST,
            MediaStore.Audio.Artists._ID
          
        },
        MediaStore.Audio.Artists._ID + " =?",
        new String[] {
          
            ARTIST_ID
            
        },
        null
      );
      
    MediaQuery.executeAsync( getActivity(), mGetArtistName, new MediaQuery.OnQueryCompletedListener() {
      
      @Override public void onQueryCompleted(MediaQuery mQuery, Cursor mResult) {
        
        if ( mResult != null && mResult.getCount() > 0 ) {
          
          mResult.moveToFirst();
          
          try {
            
            mActivity.setActionbarTitle( mResult.getString( mResult.getColumnIndexOrThrow( MediaStore.Audio.Artists.ARTIST ) ) );
            //mActivity.setActionbarSubtitle( mResult.getCount() + " " + ( mResult.getCount() == 1 ? getString( R.string.song_singular) : getString( R.string.songs_plural) ) );
                
          } catch( Exception e ) {
            
            mActivity.setActionbarTitle( null );
            //mActivity.setActionbarSubtitle( null );
            
          }
          
          restoreScrollPosition();
          
        }
        
        if ( mResult != null && !mResult.isClosed() ) {
          
          mResult.close();
          
        }
        
      }
      
    });
  }
  
  @Override public void onSaveInstanceState( Bundle outState ) {
    super.onSaveInstanceState( outState );
    outState.putString( getString( R.string.key_state_media_id ), ARTIST_ID );
    
  }
    
  @Override public void onActivityCreated( Bundle savedInstanceState ) {
    super.onActivityCreated( savedInstanceState );
    
    if ( null != savedInstanceState ) {
      
      ARTIST_ID = savedInstanceState.getString( getString( R.string.key_state_media_id ) );
      
    }
    
      adapter = new ArtistSinglesAdapter( getActivity(), ARTIST_ID, songMenuClickListener, new MediaQuery.OnQueryCompletedListener() {
      
      @Override public void onQueryCompleted( MediaQuery mQuery, Cursor mResult ) {
        
        mActivity.setActionbarSubtitle( getString( R.string.artist_singles )
              + " "
              + Character.toString( DASH_SYMBOL )
              + " "
              + mResult.getCount()
              + " "
              + (mResult.getCount() == 1 ? getString( R.string.song_singular ) : getString( R.string.songs_plural ) ) );
        
        mTracker.send( new HitBuilders.EventBuilder()
          .setCategory( Categories.PLAYLIST )
          .setAction( Playlist.ACTION_SHOWLIST )
          .setValue( mResult.getCount() )
          .build());
          
      }
      
    });
      adapter.setNowPlayingMedia( mActivity.mBoundService.CURRENT_MEDIA_ID );
      
    getView().setBackgroundColor( getResources().getColor( android.R.color.white ) );
    getListView().setDivider( getResources().getDrawable( R.drawable.list_divider ) );
    getListView().setDividerHeight( 1 );
    getListView().setOnItemLongClickListener( mSongMenuLongClickListener );
    
      setListAdapter( adapter );
    
      getActivity().getContentResolver().registerContentObserver(
          MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, true, mediaStoreChanged );
      
      
  }
  
  @Override public void onResume() {
    super.onResume();
    
    // Send a screen view.
    mTracker.send( new HitBuilders.AppViewBuilder().build() );
    
  }
    
  @Override public void onPause() {
    super.onPause();
    
    
    
  }
  
  @Override public void onDestroyView() {
      super.onDestroyView();
      
      setListAdapter( null );
      
  }
  
  @Override public void onDestroy() {
    super.onDestroy();
    
    getActivity().getContentResolver().unregisterContentObserver( mediaStoreChanged );
    
  }
  
  @Override public void onListItemClick( ListView l, View v, int position, long id ) {
    
    String playlistName = mActivity.getSupportActionBar().getTitle().toString();
    
    mActivity.mBoundService.setPlaylist( adapter.getQuery(), playlistName, ArtistSinglesFragment.class, ARTIST_ID );
    
    mActivity.mBoundService.setPlaylistPosition( position - l.getHeaderViewsCount() );
    
    mActivity.mBoundService.play();
    
    mTracker.send( new HitBuilders.EventBuilder()
      .setCategory( Categories.PLAYLIST )
      .setAction( Playlist.ACTION_CLICK )
      .setValue( position )
      .build());
    
  }
  
  protected AdapterView.OnItemLongClickListener mSongMenuLongClickListener = new AdapterView.OnItemLongClickListener() {

    @Override public boolean onItemLongClick( AdapterView<?> arg0, View v, int position, long id ) {
      
      showSongMenuDialog( "" + id );
      
      mTracker.send( new HitBuilders.EventBuilder()
        .setCategory( Categories.PLAYLIST )
        .setAction( Playlist.ACTION_LONGCLICK )
        .setValue( position )
        .build());
      
      return true;
      
    }
    
  };
  
  View.OnClickListener songMenuClickListener = new View.OnClickListener() {
    
    @Override public void onClick( View v ) {
      
      int viewID = v.getId();
      String songID = "" + v.getTag( R.id.tag_song_id );
      
      if ( viewID == R.id.StarButton ) {
        
        ToggleButton starButton = ( ToggleButton ) v;
        
        if ( starButton.isChecked() ) {
          
          mActivity.PlaylistManager.addFavorite( songID );
          //android.util.Log.i( "starred", songID );
          
        } else {
          
          mActivity.PlaylistManager.removeFavorite( songID );
          //android.util.Log.i( "unstarred", songID );
          
        }
        
      } else if ( viewID == R.id.MenuButton ) {
        
        showSongMenuDialog( songID );
        
      }
      
      
      
    }
    
  };
  
  protected void showSongMenuDialog( String songID ) {
    
    FragmentTransaction ft = getActivity().getSupportFragmentManager().beginTransaction();
      
    SongMenuDialogFragment newFragment = new SongMenuDialogFragment();
    newFragment.setMediaID( songID );
      
        newFragment.show( ft, "dialog" );
    
  }
  
  ContentObserver mediaStoreChanged = new ContentObserver(new Handler()) {

        @Override public void onChange( boolean selfChange ) {
            
            mActivity.runOnUiThread( new Runnable() {

        @Override public void run() {
          
          saveScrollPosition();
          adapter.requery();
        
        }
              
            });
            
            super.onChange( selfChange );
            
        }

  };

  @Override public void onNowPlayingMediaChanged(String media_id) {
    
    adapter.setNowPlayingMedia( media_id );
    
  }
  
  
}
Java Source Code List
