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      • Surviving OpenGL Context Loss - 1504030546
      • WebP for Game Devs - 1504030547
      • Saved Games In-Depth (Part 1) - 1504070556
      • Saved Games In-Depth (Part 2) - 1504030548
      • Smaller Flipbook Textures with CRABBY - 1504030544
      • Google Tag Manager - 1504030545
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      • Frequency Scaling - 1505050797
      • Meet the Management APIs - 1501140367
      • Y U Ship Broken Games - 1505050795
    • Android 性能优化 - 088
      • Garbage Collection in Android - 1503170425
      • Performance Cost of Memory Leaks - 1503170424
      • Rendering Performance 101 - 1501130351
      • Understanding Overdraw - 1501130352
      • Understanding VSYNC - 1501130353
      • Tool - Profile GPU Rendering - 1501130354
      • Why 60fps? - 1501130355
      • Android UI and the GPU - 1501130356
      • Invalidations, Layouts, and Performance - 1501130357
      • Overdraw, Cliprect, QuickReject - 1501130358
      • Tool - Memory Monitor - 1501130363
      • Battery Performance 101 - 1501130364
      • Understanding Battery Drain on Android - 1501130365
      • Battery Drain and WakeLocks - 1501130366
      • Memory Performance 101 - 1504170661
    • I/O 2014 Android 开发专题 - 089
      • Activity Transitions - 1504020505
      • Building Apps For Android TV - 1504020520
      • Building great Android media experiences - 1504020510
      • Building a quality app from start to finish - 1504020515
      • App Indexing API - 1504020507
      • What's new in WebView - 1504010484
      • Bluetooth Low Energy - 1504010486
      • Building impressive Android media experiences - 1504010493
      • The next Generation of Authentication - 1504020497
      • Don't Alpha That Pixel! - 1504020523
      • NFC + HCE Your phone in an interactive world - 1504020509
      • Demystifying encodes and decodes of WebM - 1504020521
      • Google Cloud Messaging - 1504020524
      • Getting your Game on the Big Screen - 1504020518
      • I hear you like realtime memes - 1504020511
      • Offerize your App - 1504020506
      • Using the Android Job Scheduler - 1504020504
      • From Holo to Material - 1504020526
      • Under the Hood of Android Auto - 1504020501
      • Isolation for Android App Developers - 1504020498
      • Android Work - 1504010496
      • ExoPlayer: Adaptive video streaming on Android - 1504010489
      • Sample rates and resampling: Why can't we all just agree? - 1504010488
      • Drive Android API - 1504010485
    • Android Studio - 004
      • Layout Editor (Ep 3, Android Studio) - 1503290479
      • Introducing Gradle (Ep 2, Android Studio) - 1503170426
    • I/O 2014 Android 分发主题 - 091
      • Introduction to Google Play - 1504030534
      • Google Play: building your user community - 1504030535
      • Optimizing Apps for Education - 1504030536
      • Succeeding in Education Technology - 1504030530
      • Subscriptions Made Easy with Google Play - 1504030531
      • The world is your playground - go global with Google - 1504030533
      • Maximizing discoverability on Google Play - 1504030538
    • Android Auto - 003
      • Introduction to Android Auto - 1504130615
      • Android Auto Messaging - 1504130617
      • Android Auto Audio - 1504130616
    • Android Wear - 006
      • Designing for Android Wear - 1503210448
      • How We Customized Google Apps for Android Wear - 1503210450
      • Fullscreen apps for Android Wear - 1503210445
      • New Notification Features for Android Wear - 1503210446
      • Building Cloud-powered wearable Apps - 1503210449
      • An Introduction to Android Wear - 1503190435
      • Google I/O 2014 - Android Wear: The developer's perspective - 1503210442
      • Devoxx 2014 Interviews: Android Wear - 1503210440
      • DevBytes: Watch Faces for Android Wear - 1503210439
    • Android TV - 005
      • Using the Leanback library - 1504080588
      • Beach Buggy Racing Multiplayer with Nearby Connections (Play Services) - 1503060387
    • Android for Work - 106
      • Android for Work for Developers - 1503060390
      • App Configurations, Testing and Launchers - 1504110590
    • IO Bytes 2014 - Android - 066
      • Chrome Apps on Android and iOS - 1501080014
      • Perf Primer CPU, GPU and your Android game - 1501080017
  • Chrome 平台
    • IO Bytes 2014 - Chrome and Web - 067
      • Using the PageSpeed API - 1505070815
      • Fabulous Forms for the multi-device web - 1505070816
      • Testing multi-screen web pages - 1505070817
      • Responsive images today - 1505070819
      • Web Performance Testing at YouTube - 1505070828
      • Building sites for the multi-device web - 1505070820
      • Deep dive: Google Cloud Messaging for Chrome - 1505070827
  • Google 创业者资源
    • Coffee with a Googler - 012
      • Chat with Allen Huang of AndroidTV - 1503040384
      • Chat with Fred Chung about developer advocacy - 1503070395
      • Google Fit platform with Michelle Haq - 1503210443
      • Android Auto Product Manager Andrew Brenner - 1501120027
      • Chat with Francis Ma about Google Play services - 1501120028
    • Root Access For Startups - 077
      • What we learned building plug-ins for Android, with startup Magnet - 1503230453
      • How to use crowdfunding to your advantage, with startup Hale Devices - 1503280462
      • How to overcome customer objections when selling tech, with startup Guesswork - 1503280458
    • First Things First - 029
      • Getting started with Android: A crash-course in developing for Android - 1504120601
      • How to ask a question: conducting research for your startup - 1504120603
      • MVP Design Hacks: transform your hot idea into a validated prototype - 1504120602
      • Build something people want: Solving real problems - 1504120605
    • How I - 061
      • Use BigQuery to find my most valuable customers - 1504070573
      • Manage beta testing communities using Google Play - 1504070572
      • Use paper wireframing to build native prototypes - 1504070570
      • Used social media and $0 marketing to get 68 million users - 1504070568
      • Prep to fundraise with four questions - 1504070564
      • Validated my idea in 2 days (with no code) - 1504070562
      • Build open platforms on Android - 1504120596
      • Get cheap, automatic analytics for my business using BigQuery - 1504070571
      • Write press releases to get international media coverage - 1504070569
      • Test beta-product features using Google Apps - 1504070563
      • Use URL builder to measure ROI on social media - 1504070561
      • Use events to build DeadSocial's brand - 1504070557
      • Use BigQuery to visualize streaming data - 1503220452
      • Find, screen, and hire developers - 1503120406
      • Drive engagement with social challenges - 1504070558
  • 设计
    • DesignBytes - 017
      • Paper and Ink: The Materials that Matter - 1505050793
  • 云计算
    • DevBytes: Google Cloud Platform - 021
      • Powering the next killer app with the Google Cloud Platform - 1504210672
      • Introduction to Google Cloud Endpoints - 1504210675
      • The Beauty of Scale with Google Cloud Platform - 1504210678
    • Google Cloud Platform - Big Data - 105
      • GDELT & BigQuery: Understand the world - 1502200379
    • Uncategorized - 999
      • Introducing Google Cloud Platform Resources - 1501190370
  • Google 应用开发
    • Launchpad Online - 072
      • The Setup: Creating new apps using Google APIs - 1503190428
      • Listing your files in Google Drive - 1503190429
      • Customizing Google Analytics for your startup - 1503290473
      • The Launchpad Online series - 1503190427
      • Getting started with Google Analytics - 1503290472
      • Accessing Google Maps from a spreadsheet?!? - 1502220381
      • Change the world in 10 lines of code - 1503080398
    • Google Play Services - 054
      • Google Play services 6.1 - 1503290481
      • Google Play Services 7.0 - 1503200437
      • Google Play Services 6.5 - 1501080015
    • 谷歌地图 iOS SDK - 053
      • Maps Live: New Features in the Google Maps Mobile APIs for Android and iOS - 1504300777
    • Google 移动搜索开发 - 055
      • Is your app in the Google index? - 1504120598
      • Get more engaged users with Google Search for Developers - 1503070397
    • DevBytes: Google Cast - 020
      • Google Cast SDK for Android - 1504180666
      • Media Router Framework - Part 1 - Media Router API - 1504180667
      • Overview for Google Cast Receivers - 1504180664
      • Google Cast SDK for iOS - 1504180663
    • Getting Started with the Google Maps SDK for iOS - 035
      • Getting started with the Google Maps SDK for iOS, Part 1 - 1504270757
    • IO Bytes 2014 - Wearables - 070
      • Voice Driven GDK Glassware - 1505280836
    • Route 85 - 078
      • Introducing Route 85 - 1501120022
      • Quick Tip: Don't Default that Switch! - 1501190371
      • OpenInChrome on iOS, Part 1 - 1501120023
      • OpenInChrome on iOS, Part 2 - 1501120024
      • OpenInChrome on iOS, Part 3 - 1501120025
      • OpenInChrome on iOS, Part 4 - 1501120026
    • DevBytes 2014 - 019
      • Web Components - Template - 1505040789
      • Wearable DataLayer API - 1505050792
      • Using srcset for responsive images - 1505050790
      • The picture element for art direction - 1505050791
    • Uncategorized - 999
      • Sun Surveyor brings augmented reality to photographers using Google Maps APIs - 1504200668
      • Snappy travels with the Roads API - 1503060392
      • Easy Maps Apps in Java and Python - 1501140030
  • Google 广告平台
  • Polymer
    • Polycasts - 076
      • The Awesome Power of Auto-Binding Templates -- Polycasts #08 - 1502220382
      • Content Switcheroo with Core-Pages -- Polycasts #09 - 1502200380
      • Core Iconset -- Polycasts #02 - 1505040788
  • Web 平台
    • HTTP 203 - 062
      • Gotchas - 1501140368
      • Font Rendering - 1501080016
    • Web Components - 081
      • DevBytes: Web Components - Overview - 1504250709
  • 宣传视频
    • Uncategorized - 999
      • Google Developers - 1501150369
      • I/O Extended 2014 - Join me - 1502220383
  • Google 各类开发者会议
    • 2014 Chrome 开发者高峰会议 - 009
      • Keynote - Chrome Dev Summit 2014 (Darin Fisher) - 1503120407
      • TLS All the Things! - Security with Performance(Chris Palmer) - 1503140412
      • Let’s build some apps with Polymer!(Rob Dodson) - 1503150415
      • Day One Closing Remarks(Sundar Pichai) - 1503150417
      • Chrome Leadership panel - 1503160422
      • Fundamentals of Mobile Web Development(Matt Gaunt) - 1503150416
    • 2015 游戏开发者大会中 - 039
      • FlatBuffers - 1504150640
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      • Top 10 Things Android Game Developers Should Know v 3.0 - 1504150643
      • Automate Publishing for Google Play APIs - 1504150639
      • 3 Game Design Mistakes You're Making - 1504150636
      • Android TV - 1504150638
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  • 解说词中文版：

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  1. Google 应用开发
  2. DevBytes: Google Cast - 020

Google Cast SDK for Android - 1504180666

PreviousDevBytes: Google Cast - 020NextMedia Router Framework - Part 1 - Media Router API - 1504180667

Last updated 5 years ago

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视频发布时间

2014年2月13日

视频介绍

Learn how to cast content from Android apps to Google Cast receiver devices such as Chromecast. This video gives an introduction on how to build Google Cast sender applications for Android using the Google Cast SDK.

视频推介语

暂无，待补充。

译者信息

翻译

润稿

终审

原始链接

中文字幕

翻译流水号

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xin.zhang

葛佳恒

——

1504180666

解说词中文版：

大家好 我是Leon Nicholls

我是Google Cast的一名开发大使

我将会告诉你关于Google Cast SDK for Android的一些信息

Google Cast SDK支持Android iOS

以及桌面版的Chrome平台

针对这些平台开发的应用程序都能

与任何Google Cast设备进行交互 比如Chromecast

Google Cast sender端

是指运行在移动设备或笔记本上的应用程序

receiver端是指一个HTML应用程序

它运行在Chromecast或其他Google Case receiver设备上

Google Case SDK的发行版

是为Cast应用程序的开发者们提供的公共API

从现在开始 开发者们通过使用

新的Google Cast SDK开发者控制台

来控制Cast应用程序的发布流程

Google Cast SDK现在是Android的Google Play服务的一部分

并且将在所有的Cast应用程序之间共享

让我们来看看一个Cast sender应用的典型生命周期

当sender程序启动后 Cast设备

需要在本地网络被发现

一旦用户选择了一个设备 sender程序

将会连接这个设备并启动receiver程序

然后sender程序创建一个消息通道

到receiver程序 以用来发送和接收消息

用户也可以从这些设备上断开连接

使应用程序支持Cast的第一步操作是添加一个Cast按钮

有三个选择 MediaRouter ActionBar提供者（MediaRouteActionProvider）

MediaRouter按钮（MediaRouteButton） 或自定义按钮

我们建议使用提供者因为它是最简单的集成

Cast按钮需要添加到ActionBar的菜单中

或者是activity布局资源文件中

创建一个MeidaRouter选择器的优点是

它会下拉显示

仅仅可以运行你的应用的Cast设备

选择器是当这个activity启动时附加到Cast按钮上的

这里有个例子展示了

在ActionBar上添加一个Cast按钮是多么的简单

只需在你的菜单XML文件中使用MediaRouter ActionBar提供者

就可以了

其他的集成Cast按钮的方式

可以在MediaRouter支持库的文档中找到

在activity启动时 sender程序需要

通过添加一个回调函数来告诉MediaRouter

开始搜索Cast设备

当用户从Cast菜单选择了一个设备时

MediaRouter会通知到应用

告诉大家一条最佳实践 当不再需要搜索设备的时候

移除回调函数 以节约电池的使用

这里有个例子是关于如何为MediaRouter添加一个回调函数

以启动设备搜索的

用户选择的设备是从回调数据中提取的

现在sender程序知道用户选择了哪个Cast设备

启动receiver程序涉及到几个步骤

sender程序需要使用GoogleAPIClient

连接到Google Play服务

之后程序使用Cast.CastAPI

启动receiver程序 其中会使用到从开发者控制台中

获得的应用程序ID

一旦这个receiver程序启动后

sender程序就可以对receiver创建一个多媒体消息管道或

自定义消息管道

应用需要处理多个关于

应用和管道的状态的回调函数

这里有个例子是关于当sender程序已经连接到

Google Play服务后是如何启动receiver程序的

结果回调函数需要以启动状态和

应用程序元数据作为参数进行调用

注意在Cast应用程序的整个生命周期

都使用相同的异步调用模型

为了在receiver端播放媒体 sender程序

需要创建一个具有媒体流数据URL的MediaInfo实例

然后RemoteMediaPlayer

被用来在receiver端加载这些媒体流数据

之后sender程序使用RemoteMediaPlayer

接受诸如播放和暂停等命令

sender程序需要在播放时

处理关于媒体状态的回调函数

最后 让我们看一个例子

关于如何为视频流创建一个MediaInfo实例

视频流在receiver端使用

RemoteMediaPlayer实例来加载

结果回调方法是通过load()方法的返回状态来调用的

你可以在developers.google.com/cast

获取关于Google Cast SDK的更多详细信息

同样重要的是要看一下Cast Design Checklist

这里有一些应用的设计原则

我们也开源了一些示例Cast应用程序

你可以用来作为参考

如果你有任何关于开发的问题 请在StackOverflow上贴出来吧

欢迎在Google+上加入我们的Google Cast开发者社区

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