Android Open Source - PlayTunes Genres One 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;
/*from   w  ww.ja va 2  s .com*/
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.GenresOneAdapter;
import com.ideabag.playtunes.database.MediaQuery;
import com.ideabag.playtunes.dialog.SongMenuDialogFragment;
import com.ideabag.playtunes.util.IMusicBrowser;
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.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.ToggleButton;

public class GenresOneFragment extends SaveScrollListFragment implements IMusicBrowser {
  
  public static final String TAG = "One Genre Fragment";
  
  GenresOneAdapter adapter;
  private MainActivity mActivity;
  private Tracker mTracker;
  
  private String GENRE_ID = "";
  
  @Override public void setMediaID(String media_id) {
    
    GENRE_ID = media_id;
    
  }
  
  @Override public String getMediaID() { return GENRE_ID; }
  
  @Override public void onAttach( Activity activity ) {
    
    super.onAttach( activity );
    
    mActivity = ( MainActivity ) activity;
    mTracker = TrackerSingleton.getDefaultTracker( mActivity );
    
    mTracker.setScreenName( TAG );
    mActivity.setActionbarSubtitle( getString( R.string.genre_singular ) );
    
  }
    
  @Override public void onSaveInstanceState( Bundle outState ) {
    super.onSaveInstanceState( outState );
    outState.putString( getString( R.string.key_state_media_id ), GENRE_ID );
  }
  
  @Override public void onActivityCreated( Bundle savedInstanceState ) {
    super.onActivityCreated( savedInstanceState );
    
    if ( null != savedInstanceState ) {
      
      GENRE_ID = savedInstanceState.getString( getString( R.string.key_state_media_id ) );
      
    }
    
    adapter = new GenresOneAdapter( getActivity(), GENRE_ID, songMenuClickListener, new MediaQuery.OnQueryCompletedListener() {
      
      @Override public void onQueryCompleted( MediaQuery mQuery, Cursor mResult ) {
        
        restoreScrollPosition();
        
        mTracker.send( new HitBuilders.EventBuilder()
          .setCategory( Categories.PLAYLIST )
          .setAction( Playlist.ACTION_SHOWLIST )
          .setValue( mResult.getCount() )
          .build());
        
      }
      
    });
    
    MediaQuery mGenreQuery = new MediaQuery(
        MediaStore.Audio.Genres.EXTERNAL_CONTENT_URI,
          new String[] {
          
          MediaStore.Audio.Genres.NAME
          
        },
        MediaStore.Audio.Genres._ID + "=?",
        new String[] {
          
            GENRE_ID
          
        },
        null);
    
    MediaQuery.executeAsync( getActivity(), mGenreQuery, new MediaQuery.OnQueryCompletedListener() {
      
      @Override public void onQueryCompleted( MediaQuery mQuery, Cursor mResult ) {
        
        mResult.moveToFirst();
        String mGenreName = mResult.getString( mResult.getColumnIndex( MediaStore.Audio.Genres.NAME ) );
        
        mActivity.setActionbarTitle( mGenreName );
        
      }
      
    });
      
      
    getView().setBackgroundColor( getResources().getColor( android.R.color.white ) );
      
    getListView().setDivider( getResources().getDrawable( R.drawable.list_divider ) );
    getListView().setDividerHeight( 1 );
    getListView().setSelector( R.drawable.list_item_background );
    getListView().setOnItemLongClickListener( mSongMenuLongClickListener );
    //getListView().addHeaderView( mActivity.AdContainer, null, true );
    
    setListAdapter( adapter );
      
    getActivity().getContentResolver().registerContentObserver(
        MediaStore.Audio.Genres.Members.getContentUri( "external", Long.parseLong( GENRE_ID ) ), true, mediaStoreChanged );
      
    
  }
    
  @Override public void onResume() {
    super.onResume();
    
    
    mActivity.setActionbarSubtitle( getString( R.string.genre_singular ) );

      // Set screen name.
      // Where path is a String representing the screen name.
    
      // 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, GenresOneFragment.class, GENRE_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 );
            
        }

  };

}
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