این وبسایت یک نسخه آزمایشی از سایت developer android می‌باشد که در حال ترجمه می‌باشد.
برای پیوستن به تیم ترجمه و خواندن مستندات اینجا کلیک کنید.
MediaBrowserService / src / com.example.android.mediabrowserservice /

MusicPlayerActivity.java

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/*
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 * Copyright (C) 2014 The Android Open Source Project
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *      http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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package com.example.android.mediabrowserservice;
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import android.app.Activity;
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import android.media.browse.MediaBrowser;
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import android.os.Bundle;
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/**
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 * Main activity for the music player.
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 */
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public class MusicPlayerActivity extends Activity
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        implements BrowseFragment.FragmentDataHelper {
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    private static final String TAG = MusicPlayerActivity.class.getSimpleName();
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    @Override
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    public void onCreate(Bundle savedInstanceState) {
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        super.onCreate(savedInstanceState);
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        setContentView(R.layout.activity_player);
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        if (savedInstanceState == null) {
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            getFragmentManager().beginTransaction()
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                    .add(R.id.container, BrowseFragment.newInstance(null))
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                    .commit();
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        }
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    }
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    @Override
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    public void onMediaItemSelected(MediaBrowser.MediaItem item) {
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        if (item.isPlayable()) {
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            getMediaController().getTransportControls().playFromMediaId(item.getMediaId(), null);
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            QueueFragment queueFragment = QueueFragment.newInstance();
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            getFragmentManager().beginTransaction()
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                    .replace(R.id.container, queueFragment)
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                    .addToBackStack(null)
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                    .commit();
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        } else if (item.isBrowsable()) {
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            getFragmentManager().beginTra