| /* |
| * Copyright (C) 2014 The Android Open Source 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.example.android.musicservicedemo.browser; |
| |
| import android.os.AsyncTask; |
| import android.util.Log; |
| |
| import org.json.JSONException; |
| |
| /** |
| * Asynchronous task to retrieve the music data using MusicProvider. |
| */ |
| public class MusicProviderTask extends AsyncTask<Void, Void, Void> { |
| |
| private static final String TAG = "MusicProviderTask"; |
| |
| MusicProvider mMusicProvider; |
| MusicProviderTaskListener mMusicProviderTaskListener; |
| |
| /** |
| * Initialize the task with the provider to download the music data and the |
| * listener to be informed when the task is done. |
| * |
| * @param musicProvider |
| * @param listener |
| */ |
| public MusicProviderTask(MusicProvider musicProvider, |
| MusicProviderTaskListener listener) { |
| mMusicProvider = musicProvider; |
| mMusicProviderTaskListener = listener; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see android.os.AsyncTask#doInBackground(java.lang.Object[]) |
| */ |
| @Override |
| protected Void doInBackground(Void... arg0) { |
| try { |
| mMusicProvider.retreiveMedia(); |
| } catch (JSONException e) { |
| Log.e(TAG, "::doInBackground:", e); |
| } |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see android.os.AsyncTask#onPostExecute(java.lang.Object) |
| */ |
| @Override |
| protected void onPostExecute(Void result) { |
| mMusicProviderTaskListener.onMusicProviderTaskCompleted(); |
| } |
| |
| } |