Java tutorial
/* * Copyright (C) 2014 The CyanogenMod Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.cyanogenmod.eleven.adapters; import android.app.Activity; import android.os.Bundle; import android.provider.MediaStore; import android.support.v4.content.Loader; import android.view.View; import android.widget.ImageView; import android.widget.TextView; import com.cyanogenmod.eleven.Config; import com.cyanogenmod.eleven.R; import com.cyanogenmod.eleven.cache.ImageFetcher; import com.cyanogenmod.eleven.loaders.SongLoader; import com.cyanogenmod.eleven.model.Song; import java.util.List; public abstract class ArtistDetailSongAdapter extends DetailSongAdapter { public ArtistDetailSongAdapter(Activity activity) { super(activity); } protected int rowLayoutId() { return R.layout.artist_detail_song; } protected Config.IdType getSourceType() { return Config.IdType.Artist; } @Override // LoaderCallbacks public Loader<List<Song>> onCreateLoader(int id, Bundle args) { onLoading(); setSourceId(args.getLong(Config.ID)); final String selection = MediaStore.Audio.AudioColumns.ARTIST_ID + "=" + getSourceId(); return new SongLoader(mActivity, selection); } protected Holder newHolder(View root, ImageFetcher fetcher) { return new ArtistHolder(root, fetcher); } private static class ArtistHolder extends Holder { ImageView art; TextView album; protected ArtistHolder(View root, ImageFetcher fetcher) { super(root, fetcher); art = (ImageView) root.findViewById(R.id.album_art); album = (TextView) root.findViewById(R.id.album); } protected void update(Song song) { title.setText(song.mSongName); album.setText(song.mAlbumName); if (song.mAlbumId >= 0) { fetcher.loadAlbumImage(song.mArtistName, song.mAlbumName, song.mAlbumId, art); } } } }