docs/html/training/_book.yaml

toc:
- title: Getting Started
  path: /training/index.html
  section:
  - title: Building Your First App
    path: /training/basics/firstapp/index.html
    path_attributes:
    - name: description
      value: After you've installed the Android SDK, start with this class to learn the basics about Android app development.
    section:
    - title: Creating an Android Project
      path: /training/basics/firstapp/creating-project.html
    - title: Running Your Application
      path: /training/basics/firstapp/running-app.html
    - title: Building a Simple User Interface
      path: /training/basics/firstapp/building-ui.html
    - title: Starting Another Activity
      path: /training/basics/firstapp/starting-activity.html
  - title: Supporting Different Devices
    path: /training/basics/supporting-devices/index.html
    path_attributes:
    - name: description
      value: How to build your app with alternative resources that provide an optimized user experience on multiple device form factors using a single APK.
    section:
    - title: Supporting Different Languages
      path: /training/basics/supporting-devices/languages.html
    - title: Supporting Different Screens
      path: /training/basics/supporting-devices/screens.html
    - title: Supporting Different Platform Versions
      path: /training/basics/supporting-devices/platforms.html
  - title: Managing the Activity Lifecycle
    path: /training/basics/activity-lifecycle/index.html
    path_attributes:
    - name: ja-lang
      value: アクティビティのライフサイクル 管理
    - name: ko-lang
      value: 액티비티 수명 주기 관리하기
    - name: pt-br-lang
      value: Como gerenciar o ciclo de vida da atividade
    - name: ru-lang
      value: Управление жизненным циклом операций
    - name: zh-cn-lang
      value: 管理活动生命周期
    - name: zh-tw-lang
      value: 管理應用行為顯示生命週期
    - name: description
      value: How Android activities live and die and how to create a seamless user experience by implementing lifecycle callback methods.
    section:
    - title: Starting an Activity
      path: /training/basics/activity-lifecycle/starting.html
      path_attributes:
      - name: ja-lang
        value: アクティビティを開始する
      - name: ko-lang
        value: 액티비티 시작하기
      - name: pt-br-lang
        value: Iniciando uma atividade
      - name: ru-lang
        value: Запуск операции
      - name: zh-cn-lang
        value: 开始活动
      - name: zh-tw-lang
        value: 啟動應用行為顯示
    - title: Pausing and Resuming an Activity
      path: /training/basics/activity-lifecycle/pausing.html
    - title: Stopping and Restarting an Activity
      path: /training/basics/activity-lifecycle/stopping.html
      path_attributes:
      - name: ja-lang
        value: アクティビティの一時停止と再開
      - name: ko-lang
        value: 액티비티 일시정지 및 재개하기
      - name: pt-br-lang
        value: Pausando e reiniciando uma atividade
      - name: ru-lang
        value: Приостановка и возобновление операции
      - name: zh-cn-lang
        value: 暂停和继续活动
      - name: zh-tw-lang
        value: 暫停並繼續應用行為顯示
    - title: Recreating an Activity
      path: /training/basics/activity-lifecycle/recreating.html
      path_attributes:
      - name: ja-lang
        value: アクティビティを再作成する
      - name: ko-lang
        value: 액티비티 재생성하기
      - name: pt-br-lang
        value: Recriando uma atividade
      - name: ru-lang
        value: Воссоздание операции
      - name: zh-cn-lang
        value: 重新创建活动
      - name: zh-tw-lang
        value: 重新建立應用行為顯示
  - title: Building a Dynamic UI with Fragments
    path: /training/basics/fragments/index.html
    path_attributes:
    - name: description
      value: How to build a user interface for your app that is flexible enough to present multiple UI components on large screens and a more constrained set of UI components on smaller screens—essential for building a single APK for both phones and tablets.
    section:
    - title: Creating a Fragment
      path: /training/basics/fragments/creating.html
    - title: Building a Flexible UI
      path: /training/basics/fragments/fragment-ui.html
      path_attributes:
      - name: zh-cn-lang
        value: 构建灵活的界面
    - title: Communicating with Other Fragments
      path: /training/basics/fragments/communicating.html
  - title: Saving Data
    path: /training/basics/data-storage/index.html
    path_attributes:
    - name: ja-lang
      value: データの保存
    - name: ko-lang
      value: 데이터 저장하기
    - name: pt-br-lang
      value: Salvando dados
    - name: ru-lang
      value: Сохранение данных
    - name: zh-cn-lang
      value: 保存数据
    - name: zh-tw-lang
      value: 儲存資料
    - name: description
      value: How to save data on the device, whether it's temporary files, downloaded app assets, user media, structured data, or something else.
    section:
    - title: Saving Key-Value Sets
      path: /training/basics/data-storage/shared-preferences.html
      path_attributes:
      - name: ja-lang
        value: キー値セットを保存する
      - name: ko-lang
        value: 키-값 세트 저장하기
      - name: pt-br-lang
        value: Salvando conjuntos de valor-chave
      - name: ru-lang
        value: Сохранение наборов "ключ-значение"
      - name: zh-cn-lang
        value: 保存键值集
      - name: zh-tw-lang
        value: 儲存索引鍵值組
    - title: Saving Files
      path: /training/basics/data-storage/files.html
      path_attributes:
      - name: ja-lang
        value: ファイルを保存する
      - name: ko-lang
        value: 파일 저장하기
      - name: pt-br-lang
        value: Salvando arquivos
      - name: ru-lang
        value: Сохранение файлов
      - name: zh-cn-lang
        value: 保存文件
      - name: zh-tw-lang
        value: 儲存檔案
    - title: Saving Data in SQL Databases
      path: /training/basics/data-storage/databases.html
      path_attributes:
      - name: ja-lang
        value: SQL データベースにデータを保存する
      - name: ko-lang
        value: SQL 데이터베이스에 데이터 저장하기
      - name: pt-br-lang
        value: Salvando dados em bancos de dados do SQL
      - name: ru-lang
        value: Сохранение данных в базах данных SQL
      - name: zh-cn-lang
        value: 在 SQL 数据库中保存数据
      - name: zh-tw-lang
        value: 在 SQL 資料庫中儲存資料
  - title: Interacting with Other Apps
    path: /training/basics/intents/index.html
    path_attributes:
    - name: ja-lang
      value: 他のアプリとの相互操作
    - name: ko-lang
      value: 액티비티 수명 주기 관리하기
    - name: pt-br-lang
      value: Interagindo com outros aplicativos
    - name: ru-lang
      value: Взаимодействие с другими приложениями
    - name: zh-cn-lang
      value: 与其他应用交互
    - name: zh-tw-lang
      value: 與其他應用程式互動
    - name: description
      value: How to build a user experience that leverages other apps available on the device to perform advanced user tasks, such as capture a photo or view an address on a map.
    section:
    - title: Sending the User to Another App
      path: /training/basics/intents/sending.html
      path_attributes:
      - name: ja-lang
        value: 別のアプリにユーザーを送る
      - name: ko-lang
        value: 다른 앱으로 사용자 보내기
      - name: pt-br-lang
        value: Enviando o usuário para outro aplicativo
      - name: ru-lang
        value: Направление пользователя в другое приложение
      - name: zh-cn-lang
        value: 向另一个应用发送用户
      - name: zh-tw-lang
        value: 將使用者傳送至其他應用程式
    - title: Getting a Result from the Activity
      path: /training/basics/intents/result.html
      path_attributes:
      - name: ja-lang
        value: アクティビティから結果を取得する
      - name: ko-lang
        value: 액티비티로부터 결과 가져오기
      - name: pt-br-lang
        value: Obtendo resultados de uma atividade
      - name: ru-lang
        value: Получение результата операции
      - name: zh-cn-lang
        value: 获取活动的结果
      - name: zh-tw-lang
        value: 從應用行為顯示取得結果
    - title: Allowing Other Apps to Start Your Activity
      path: /training/basics/intents/filters.html
      path_attributes:
      - name: ja-lang
        value: 他のアプリからのアクティビティの開始を許可する
      - name: ko-lang
        value: 다른 앱이 자신의 액티비티를 시작하도록 허용하기
      - name: pt-br-lang
        value: Permitindo que outros aplicativos iniciem sua atividade
      - name: ru-lang
        value: Разрешение другим приложениям на запуск вашей операции
      - name: zh-cn-lang
        value: 允许其他应用开始您的活动
      - name: zh-tw-lang
        value: 允許其他應用程式啟動您的應用行為顯示
  - title: Working with System Permissions
    path: /training/permissions/index.html
    path_attributes:
    - name: description
      value: How to declare that your app needs access to features and resources outside of its 'sandbox', and how to request those privileges at runtime.
    section:
    - title: Declaring Permissions
      path: /training/permissions/declaring.html
    - title: Requesting Permissions at Run Time
      path: /training/permissions/requesting.html
    - title: Best Practices for Runtime Permissions
      path: /training/permissions/best-practices.html

- title: Building Apps with Content Sharing
  path: /training/building-content-sharing.html
  section:
  - title: Sharing Simple Data
    path: /training/sharing/index.html
    path_attributes:
    - name: description
      value: How to take your app interaction to the next level by sharing information with other apps, receive information back, and provide a simple and scalable way to perform Share actions with user content.
    section:
    - title: Sending Simple Data to Other Apps
      path: /training/sharing/send.html
    - title: Receiving Simple Data from Other Apps
      path: /training/sharing/receive.html
    - title: Adding an Easy Share Action
      path: /training/sharing/shareaction.html
  - title: Sharing Files
    path: /training/secure-file-sharing/index.html
    path_attributes:
    - name: description
      value: How to provide secure access to a file associated with your app using a content URI and temporary access permissions.
    section:
    - title: Setting Up File Sharing
      path: /training/secure-file-sharing/setup-sharing.html
    - title: Sharing a File
      path: /training/secure-file-sharing/share-file.html
    - title: Requesting a Shared File
      path: /training/secure-file-sharing/request-file.html
    - title: Retrieving File Information
      path: /training/secure-file-sharing/retrieve-info.html
  - title: Sharing Files with NFC
    path: /training/beam-files/index.html
    path_attributes:
    - name: description
      value: How to transfer files between devices using the NFC Android Beam feature.
    section:
    - title: Sending Files to Another Device
      path: /training/beam-files/send-files.html
    - title: Receiving Files from Another Device
      path: /training/beam-files/receive-files.html

- title: Building Apps with Multimedia
  path: /training/building-multimedia.html
  section:
  - title: Managing Audio Playback
    path: /training/managing-audio/index.html
    path_attributes:
    - name: description
      value: How to respond to hardware audio key presses, request audio focus when playing audio, and respond appropriately to changes in audio focus.
    section:
    - title: Controlling Your App's Volume and Playback
      path: /training/managing-audio/volume-playback.html
    - title: Managing Audio Focus
      path: /training/managing-audio/audio-focus.html
    - title: Dealing with Audio Output Hardware
      path: /training/managing-audio/audio-output.html
  - title: Capturing Photos
    path: /training/camera/index.html
    path_attributes:
    - name: description
      value: How to leverage existing camera apps on the user's device to capture photos or control the camera hardware directly and build your own camera app.
    section:
    - title: Taking Photos Simply
      path: /training/camera/photobasics.html
    - title: Recording Videos Simply
      path: /training/camera/videobasics.html
    - title: Controlling the Camera
      path: /training/camera/cameradirect.html
  - title: Printing Content
    path: /training/printing/index.html
    path_attributes:
    - name: description
      value: How to print photos, HTML documents, and custom documents from your app.
    section:
    - title: Photos
      path: /training/printing/photos.html
    - title: HTML Documents
      path: /training/printing/html-docs.html
    - title: Custom Documents
      path: /training/printing/custom-docs.html

- title: Building Apps with Graphics & Animation
  path: /training/building-graphics.html
  section:
  - title: Displaying Bitmaps Efficiently
    path: /training/displaying-bitmaps/index.html
    path_attributes:
    - name: description
      value: How to load and process bitmaps while keeping your user interface responsive and avoid exceeding memory limits.
    section:
    - title: Loading Large Bitmaps Efficiently
      path: /training/displaying-bitmaps/load-bitmap.html
    - title: Processing Bitmaps Off the UI Thread
      path: /training/displaying-bitmaps/process-bitmap.html
    - title: Caching Bitmaps
      path: /training/displaying-bitmaps/cache-bitmap.html
    - title: Managing Bitmap Memory
      path: /training/displaying-bitmaps/manage-memory.html
    - title: Displaying Bitmaps in Your UI
      path: /training/displaying-bitmaps/display-bitmap.html
  - title: Displaying Graphics with OpenGL ES
    path: /training/graphics/opengl/index.html
    path_attributes:
    - name: description
      value: How to create OpenGL graphics within the Android app framework and respond to touch input.
    section:
    - title: Building an OpenGL ES Environment
      path: /training/graphics/opengl/environment.html
    - title: Defining Shapes
      path: /training/graphics/opengl/shapes.html
    - title: Drawing Shapes
      path: /training/graphics/opengl/draw.html
    - title: Applying Projection and Camera Views
      path: /training/graphics/opengl/projection.html
    - title: Adding Motion
      path: /training/graphics/opengl/motion.html
    - title: Responding to Touch Events
      path: /training/graphics/opengl/touch.html
  - title: Animating Views Using Scenes and Transitions
    path: /training/transitions/index.html
    path_attributes:
    - name: description
      value: How to animate state changes in a view hierarchy using transitions.
    section:
    - title: The Transitions Framework
      path: /training/transitions/overview.html
    - title: Creating a Scene
      path: /training/transitions/scenes.html
    - title: Applying a Transition
      path: /training/transitions/transitions.html
    - title: Creating Custom Transitions
      path: /training/transitions/custom-transitions.html
  - title: Adding Animations
    path: /training/animation/index.html
    path_attributes:
    - name: description
      value: How to add transitional animations to your user interface.
    section:
    - title: Crossfading Two Views
      path: /training/animation/crossfade.html
    - title: Using ViewPager for Screen Slide
      path: /training/animation/screen-slide.html
    - title: Displaying Card Flip Animations
      path: /training/animation/cardflip.html
    - title: Zooming a View
      path: /training/animation/zoom.html
    - title: Animating Layout Changes
      path: /training/animation/layout.html

- title: Building Apps with Connectivity & the Cloud
  path: /training/building-connectivity.html
  section:
  - title: Connecting Devices Wirelessly
    path: /training/connect-devices-wirelessly/index.html
    path_attributes:
    - name: description
      value: How to find and connect to local devices using Network Service Discovery and how to create peer-to-peer connections with Wi-Fi.
    section:
    - title: Using Network Service Discovery
      path: /training/connect-devices-wirelessly/nsd.html
    - title: Creating P2P Connections with Wi-Fi
      path: /training/connect-devices-wirelessly/wifi-direct.html
    - title: Using Wi-Fi P2P for Service Discovery
      path: /training/connect-devices-wirelessly/nsd-wifi-direct.html
  - title: Performing Network Operations
    path: /training/basics/network-ops/index.html
    path_attributes:
    - name: description
      value: How to create a network connection, monitor the connection for changes in connectivity, and perform transactions with XML data.
    section:
    - title: Connecting to the Network
      path: /training/basics/network-ops/connecting.html
    - title: Managing Network Usage
      path: /training/basics/network-ops/managing.html
    - title: Parsing XML Data
      path: /training/basics/network-ops/xml.html
  - title: Transferring Data Without Draining the Battery
    path: /training/efficient-downloads/index.html
    path_attributes:
    - name: description
      value: How to minimize your app's impact on the battery when performing downloads and other network transactions.
    section:
    - title: Optimizing Downloads for Efficient Network Access
      path: /training/efficient-downloads/efficient-network-access.html
    - title: Minimizing the Effect of Regular Updates
      path: /training/efficient-downloads/regular_updates.html
    - title: Redundant Downloads are Redundant
      path: /training/efficient-downloads/redundant_redundant.html
    - title: Modifying Patterns Based on the Connectivity Type
      path: /training/efficient-downloads/connectivity_patterns.html
  - title: Syncing to the Cloud
    path: /training/backup/index.html
    path_attributes:
    - name: description
      value: How to sync and back up app and user data to remote web services in the cloud and how to restore the data back to multiple devices.
    section:
    - title: Configuring Auto Backup
      path: /training/backup/autosyncapi.html
    - title: Using the Backup API
      path: /training/backup/backupapi.html
  - title: Resolving Cloud Save Conflicts
    path: /training/cloudsave/conflict-res.html
    path_attributes:
    - name: description
      value: How to design a robust conflict resolution strategy for apps that save data to the cloud.
  - title: Transferring Data Using Sync Adapters
    path: /training/sync-adapters/index.html
    path_attributes:
    - name: description
      value: How to transfer data between the cloud and the device using the Android sync adapter framework
    section:
    - title: Creating a Stub Authenticator
      path: /training/sync-adapters/creating-authenticator.html
    - title: Creating a Stub Content Provider
      path: /training/sync-adapters/creating-stub-provider.html
    - title: Creating a Sync Adapter
      path: /training/sync-adapters/creating-sync-adapter.html
    - title: Running a Sync Adapter
      path: /training/sync-adapters/running-sync-adapter.html
  - title: Transmitting Network Data Using Volley
    path: /training/volley/index.html
    path_attributes:
    - name: description
      value: How to perform fast, scalable UI operations over the network using Volley
    section:
    - title: Sending a Simple Request
      path: /training/volley/simple.html
    - title: Setting Up a RequestQueue
      path: /training/volley/requestqueue.html
    - title: Making a Standard Request
      path: /training/volley/request.html
    - title: Implementing a Custom Request
      path: /training/volley/request-custom.html

- title: Building Apps with Location & Maps
  path: /training/building-location.html
  section:
  - title: Making Your App Location-Aware
    path: /training/location/index.html
    path_attributes:
    - name: description
      value: How to add location-aware features to your app by getting the user's current location.
    section:
    - title: Getting the Last Known Location
      path: /training/location/retrieve-current.html
    - title: Changing Location Settings
      path: /training/location/change-location-settings.html
    - title: Receiving Location Updates
      path: /training/location/receive-location-updates.html
    - title: Displaying a Location Address
      path: /training/location/display-address.html
    - title: Creating and Monitoring Geofences
      path: /training/location/geofencing.html
  - title: Adding Maps
    path: /training/maps/index.html
    path_attributes:
    - name: description
      value: How to add maps and mapping information to your app.

- title: Building Apps with User Info & Sign-In
  path: /training/building-userinfo.html
  section:
  - title: Accessing Contacts Data
    path: /training/contacts-provider/index.html
    path_attributes:
    - name: description
      value: How to use Android's central address book, the Contacts Provider, to display contacts and their details and modify contact information.
    section:
    - title: Retrieving a List of Contacts
      path: /training/contacts-provider/retrieve-names.html
    - title: Retrieving Details for a Contact
      path: /training/contacts-provider/retrieve-details.html
    - title: Modifying Contacts Using Intents
      path: /training/contacts-provider/modify-data.html
    - title: Displaying the Quick Contact Badge
      path: /training/contacts-provider/display-contact-badge.html
  - title: Adding Sign-In
    path: /training/sign-in/index.html
    path_attributes:
    - name: description
      value: How to add user sign-in functionality to your app.

- title: Building Apps for Wearables
  path: /training/building-wearables.html
  section:
  - title: Adding Wearable Features to Notifications
    path: /training/wearables/notifications/index.html
    path_attributes:
    - name: description
      value: How to build handheld notifications that are synced to and look great on wearables.
    section:
    - title: Creating a Notification
      path: /training/wearables/notifications/creating.html
    - title: Receiving Voice Input in a Notification
      path: /training/wearables/notifications/voice-input.html
    - title: Adding Pages to a Notification
      path: /training/wearables/notifications/pages.html
    - title: Stacking Notifications
      path: /training/wearables/notifications/stacks.html
  - title: Creating Wearable Apps
    path: /training/wearables/apps/index.html
    path_attributes:
    - name: description
      value: How to build apps that run directly on wearables.
    section:
    - title: Creating and Running a Wearable App
      path: /training/wearables/apps/creating.html
    - title: Creating Custom Layouts
      path: /training/wearables/apps/layouts.html
    - title: Keeping Your App Visible
      path: /training/wearables/apps/always-on.html
    - title: Adding Voice Capabilities
      path: /training/wearables/apps/voice.html
    - title: Packaging Wearable Apps
      path: /training/wearables/apps/packaging.html
    - title: Debugging over Bluetooth
      path: /training/wearables/apps/bt-debugging.html
  - title: Creating Custom UIs
    path: /training/wearables/ui/index.html
    path_attributes:
    - name: description
      value: How to create custom user interfaces for wearable apps.
    section:
    - title: Defining Layouts
      path: /training/wearables/ui/layouts.html
    - title: Creating Cards
      path: /training/wearables/ui/cards.html
    - title: Creating Lists
      path: /training/wearables/ui/lists.html
    - title: Creating a 2D Picker
      path: /training/wearables/ui/2d-picker.html
    - title: Showing Confirmations
      path: /training/wearables/ui/confirm.html
    - title: Exiting Full-Screen Activities
      path: /training/wearables/ui/exit.html
  - title: Sending and Syncing Data
    path: /training/wearables/data-layer/index.html
    path_attributes:
    - name: description
      value: How to sync data between handhelds and wearables.
    section:
    - title: Accessing the Wearable Data Layer
      path: /training/wearables/data-layer/accessing.html
    - title: Syncing Data Items
      path: /training/wearables/data-layer/data-items.html
    - title: Transferring Assets
      path: /training/wearables/data-layer/assets.html
    - title: Sending and Receiving Messages
      path: /training/wearables/data-layer/messages.html
    - title: Handling Data Layer Events
      path: /training/wearables/data-layer/events.html
  - title: Creating Watch Faces
    path: /training/wearables/watch-faces/index.html
    path_attributes:
    - name: description
      value: How to create watch faces for wearables.
    section:
    - title: Designing Watch Faces
      path: /training/wearables/watch-faces/designing.html
    - title: Building a Watch Face Service
      path: /training/wearables/watch-faces/service.html
    - title: Drawing Watch Faces
      path: /training/wearables/watch-faces/drawing.html
    - title: Showing Information in Watch Faces
      path: /training/wearables/watch-faces/information.html
    - title: Creating Interactive Watch Faces
      path: /training/wearables/watch-faces/interacting.html
    - title: Providing Configuration Activities
      path: /training/wearables/watch-faces/configuration.html
    - title: Addressing Common Issues
      path: /training/wearables/watch-faces/issues.html
    - title: Optimizing Performance and Battery Life
      path: /training/wearables/watch-faces/performance.html
  - title: Detecting Location
    path: /training/articles/wear-location-detection.html
    path_attributes:
    - name: description
      value: How to detect location data on Android Wear devices.
  - title: Requesting Permissions
    path: /training/articles/wear-permissions.html
    path_attributes:
    - name: description
      value: How to request permissions on Android Wear devices.
  - title: Using the Speaker
    path: /training/wearables/wearable-sounds.html
    path_attributes:
    - name: description
      value: How to use the speaker on Android Wear devices.

- title: Building Apps for TV
  path: /training/tv/index.html
  section:
  - title: Building TV Apps
    path: /training/tv/start/index.html
    path_attributes:
    - name: ja-lang
      value: TV アプリのビルド
    - name: description
      value: How to start building TV apps or extend your existing app to run on TV devices.
    section:
    - title: Getting Started with TV Apps
      path: /training/tv/start/start.html
      path_attributes:
      - name: ja-lang
        value: TV アプリのビルドを開始する
    - title: Handling TV Hardware
      path: /training/tv/start/hardware.html
      path_attributes:
      - name: ja-lang
        value: TV ハードウェアを処理する
    - title: Building TV Layouts
      path: /training/tv/start/layouts.html
      path_attributes:
      - name: ja-lang
        value: TV 向けレイアウトをビルドする
    - title: Creating TV Navigation
      path: /training/tv/start/navigation.html
      path_attributes:
      - name: ja-lang
        value: TV 用のナビゲーションを作成する
  - title: Building TV Playback Apps
    path: /training/tv/playback/index.html
    path_attributes:
    - name: ja-lang
      value: TV 再生アプリのビルド
    - name: description
      value: How to build apps that provide media catalogs and play content.
    section:
    - title: Creating a Catalog Browser
      path: /training/tv/playback/browse.html
      path_attributes:
      - name: ja-lang
        value: カタログ ブラウザを作成する
    - title: Providing a Card View
      path: /training/tv/playback/card.html
    - title: Building a Details View
      path: /training/tv/playback/details.html
      path_attributes:
      - name: ja-lang
        value: 詳細ビューをビルドする
    - title: Displaying a Now Playing Card
      path: /training/tv/playback/now-playing.html
      path_attributes:
      - name: ja-lang
        value: 再生中カードを表示する
    - title: Adding a Guided Step
      path: /training/tv/playback/guided-step.html
    - title: Enabling Background Playback
      path: /training/tv/playback/options.html
  - title: Helping Users Find Content on TV
    path: /training/tv/discovery/index.html
    path_attributes:
    - name: description
      value: How to help users discover content from your app.
    section:
    - title: Recommending TV Content
      path: /training/tv/discovery/recommendations.html
    - title: Making TV Apps Searchable
      path: /training/tv/discovery/searchable.html
    - title: Searching within TV Apps
      path: /training/tv/discovery/in-app-search.html
  - title: Building TV Games
    path: /training/tv/games/index.html
    path_attributes:
    - name: description
      value: How to build games for TV.
  - title: Building TV Channels
    path: /training/tv/tif/index.html
    path_attributes:
    - name: description
      value: How to build channels for TV.
    section:
    - title: Developing a TV Input Service
      path: /training/tv/tif/tvinput.html
    - title: Working with Channel Data
      path: /training/tv/tif/channel.html
    - title: Managing User Interaction
      path: /training/tv/tif/ui.html
  - title: TV Apps Checklist
    path: /training/tv/publishing/checklist.html
    path_attributes:
    - name: description
      value: An itemized list of requirements for TV apps.

- title: Building Apps for Auto
  path: /training/auto/index.html
  section:
  - title: Getting Started with Auto
    path: /training/auto/start/index.html
    path_attributes:
    - name: description
      value: How to start building or extending apps that work with Auto devices.
  - title: Playing Audio for Auto
    path: /training/auto/audio/index.html
    path_attributes:
    - name: description
      value: How to extend audio apps to play content on Auto devices.
  - title: Messaging for Auto
    path: /training/auto/messaging/index.html
    path_attributes:
    - name: description
      value: How to extend text messaging apps to work with Auto devices.
  - title: Testing for Auto
    path: /training/auto/testing/index.html
    path_attributes:
    - name: description
      value: How to use DHU to test Auto apps.

- title: Best Practices for Interaction & Engagement
  path: /training/best-ux.html
  section:
  - title: Designing Effective Navigation
    path: /training/design-navigation/index.html
    path_attributes:
    - name: description
      value: How to plan your app's screen hierarchy and forms of navigation so users can effectively and intuitively traverse your app content using various navigation patterns.
    section:
    - title: Planning Screens and Their Relationships
      path: /training/design-navigation/screen-planning.html
    - title: Planning for Multiple Touchscreen Sizes
      path: /training/design-navigation/multiple-sizes.html
    - title: Providing Descendant and Lateral Navigation
      path: /training/design-navigation/descendant-lateral.html
    - title: Providing Ancestral and Temporal Navigation
      path: /training/design-navigation/ancestral-temporal.html
    - title: "Putting it All Together: Wireframing the Example App"
      path: /training/design-navigation/wireframing.html
  - title: Implementing Effective Navigation
    path: /training/implementing-navigation/index.html
    path_attributes:
    - name: description
      value: How to implement various navigation patterns such as swipe views, a navigation drawer, and up navigation.
    section:
    - title: Creating Swipe Views with Tabs
      path: /training/implementing-navigation/lateral.html
    - title: Creating a Navigation Drawer
      path: /training/implementing-navigation/nav-drawer.html
    - title: Providing Up Navigation
      path: /training/implementing-navigation/ancestral.html
    - title: Providing Proper Back Navigation
      path: /training/implementing-navigation/temporal.html
    - title: Implementing Descendant Navigation
      path: /training/implementing-navigation/descendant.html
  - title: Notifying the User
    path: /training/notify-user/index.html
    path_attributes:
    - name: description
      value: How to display messages called notifications outside of your application's UI.
    section:
    - title: Building a Notification
      path: /training/notify-user/build-notification.html
    - title: Preserving Navigation when Starting an Activity
      path: /training/notify-user/navigation.html
    - title: Updating Notifications
      path: /training/notify-user/managing.html
    - title: Using Big View Styles
      path: /training/notify-user/expanded.html
    - title: Displaying Progress in a Notification
      path: /training/notify-user/display-progress.html
  - title: Supporting Swipe-to-Refresh
    path: /training/swipe/index.html
    path_attributes:
    - name: description
      value: How to modify your app's layout to support manual content updates triggered by the swipe-to-refresh gesture.
    section:
    - title: Adding Swipe-to-Refresh To Your App
      path: /training/swipe/add-swipe-interface.html
    - title: Responding to a Refresh Gesture
      path: /training/swipe/respond-refresh-request.html
  - title: Adding Search Functionality
    path: /training/search/index.html
    path_attributes:
    - name: description
      value: How to properly add a search interface to your app and create a searchable database.
    section:
    - title: Setting up the Search Interface
      path: /training/search/setup.html
    - title: Storing and Searching for Data
      path: /training/search/search.html
    - title: Remaining Backward Compatible
      path: /training/search/backward-compat.html
  - title: Making Your App Content Searchable by Google
    path: /training/app-indexing/index.html
    path_attributes:
    - name: description
      value: How to enable deep linking and indexing of your application content so that users can open this content directly from their mobile search results.
    section:
    - title: Enabling Deep Links for App Content
      path: /training/app-indexing/deep-linking.html
    - title: Specifying App Content for Indexing
      path: /training/app-indexing/enabling-app-indexing.html
  - title: Optimizing Content for the Assistant
    path: /training/articles/assistant.html
    path_attributes:
    - name: description
      value: Support contextually relevant actions through the Assist API.
  - title: Handling App Links
    path: /training/app-links/index.html
    path_attributes:
    - name: description
      value: How to enable the system to handle web requests by taking the user directly to your app instead of your website.

- title: Best Practices for User Interface
  path: /training/best-ui.html
  section:
  - title: Designing for Multiple Screens
    path: /training/multiscreen/index.html
    path_attributes:
    - name: es-lang
      value: Cómo diseñar aplicaciones para varias pantallas
    - name: ja-lang
      value: 複数画面のデザイン
    - name: zh-cn-lang
      value: 针对多种屏幕进行设计
    - name: description
      value: How to build a user interface that's flexible enough to fit perfectly on any screen and how to create different interaction patterns that are optimized for different screen sizes.
    section:
    - title: Supporting Different Screen Sizes
      path: /training/multiscreen/screensizes.html
      path_attributes:
      - name: es-lang
        value: Cómo admitir varios tamaños de pantalla
      - name: ja-lang
        value: さまざまな画面サイズのサポート
      - name: ko-lang
        value: 다양한 화면 크기 지원
      - name: zh-cn-lang
        value: 支持各种屏幕尺寸
    - title: Supporting Different Screen Densities
      path: /training/multiscreen/screendensities.html
      path_attributes:
      - name: es-lang
        value: Cómo admitir varias densidades de pantalla
      - name: ja-lang
        value: さまざまな画面密度のサポート
      - name: zh-cn-lang
        value: 支持各种屏幕密度
    - title: Implementing Adaptive UI Flows
      path: /training/multiscreen/adaptui.html
      path_attributes:
      - name: es-lang
        value: Cómo implementar interfaces de usuario adaptables
      - name: ja-lang
        value: 順応性のある UI フローの実装
      - name: zh-cn-lang
        value: 实施自适应用户界面流程
  - title: Adding the App Bar
    path: /training/appbar/index.html
    path_attributes:
    - name: description
      value: How to use the support library's toolbar widget to implement an app bar that displays properly on a wide range of devices.
    section:
    - title: Setting Up the App Bar
      path: /training/appbar/setting-up.html
    - title: Adding and Handling Actions
      path: /training/appbar/actions.html
    - title: Adding an Up Action
      path: /training/appbar/up-action.html
    - title: Action Views and Action Providers
      path: /training/appbar/action-views.html
  - title: Showing Pop-Up Messages
    path: /training/snackbar/index.html
    path_attributes:
    - name: description
      value: How to use the support library's Snackbar widget to display a brief pop-up message.
    section:
    - title: Building and Displaying a Pop-Up Message
      path: /training/snackbar/showing.html
    - title: Adding an Action to a Message
      path: /training/snackbar/action.html
  - title: Creating Custom Views
    path: /training/custom-views/index.html
    path_attributes:
    - name: description
      value: How to build custom UI widgets that are interactive and smooth.
    section:
    - title: Creating a Custom View Class
      path: /training/custom-views/create-view.html
    - title: Implementing Custom Drawing
      path: /training/custom-views/custom-drawing.html
    - title: Making the View Interactive
      path: /training/custom-views/making-interactive.html
    - title: Optimizing the View
      path: /training/custom-views/optimizing-view.html
  - title: Creating Backward-Compatible UIs
    path: /training/backward-compatible-ui/index.html
    path_attributes:
    - name: description
      value: How to use UI components and other APIs from the more recent versions of Android while remaining compatible with older versions of the platform.
    section:
    - title: Abstracting the New APIs
      path: /training/backward-compatible-ui/abstracting.html
    - title: Proxying to the New APIs
      path: /training/backward-compatible-ui/new-implementation.html
    - title: Creating an Implementation with Older APIs
      path: /training/backward-compatible-ui/older-implementation.html
    - title: Using the Version-Aware Component
      path: /training/backward-compatible-ui/using-component.html
  - title: Implementing Accessibility
    path: /training/accessibility/index.html
    path_attributes:
    - name: description
      value: How to make your app accessible to users with vision impairment or other physical disabilities.
    section:
    - title: Developing Accessible Applications
      path: /training/accessibility/accessible-app.html
    - title: Developing Accessibility Services
      path: /training/accessibility/service.html
    - title: Accessibility Testing Checklist
      path: /training/accessibility/testing.html
  - title: Managing the System UI
    path: /training/system-ui/index.html
    path_attributes:
    - name: description
      value: How to hide and show status and navigation bars across different versions of Android, while managing the display of other screen components.
    section:
    - title: Dimming the System Bars
      path: /training/system-ui/dim.html
    - title: Hiding the Status Bar
      path: /training/system-ui/status.html
    - title: Hiding the Navigation Bar
      path: /training/system-ui/navigation.html
    - title: Using Immersive Full-Screen Mode
      path: /training/system-ui/immersive.html
    - title: Responding to UI Visibility Changes
      path: /training/system-ui/visibility.html
  - title: Creating Apps with Material Design
    path: /training/material/index.html
    path_attributes:
    - name: es-lang
      value: Crear aplicaciones con Material Design
    - name: in-lang
      value: Desain Bahan untuk Pengembang
    - name: ja-lang
      value: マテリアル デザインでのアプリ作成
    - name: ko-lang
      value: 개발자를 위한 머티리얼 디자인
    - name: pt-br-lang
      value: Material Design para desenvolvedores
    - name: ru-lang
      value: Создание приложений с помощью Material Design
    - name: vi-lang
      value: Material Design cho Nhà phát triển
    - name: zh-cn-lang
      value: 面向开发者的材料设计
    - name: zh-tw-lang
      value: 開發人員材料設計
    - name: description
      value: How to implement material design on Android.
    section:
    - title: Getting Started
      path: /training/material/get-started.html
      path_attributes:
      - name: es-lang
        value: Comencemos
      - name: in-lang
        value: Memulai
      - name: ja-lang
        value: スタート ガイド
      - name: ko-lang
        value: 시작하기
      - name: pt-br-lang
        value: Como iniciar
      - name: ru-lang
        value: Начало работы
      - name: vi-lang
        value: Bắt đầu
      - name: zh-cn-lang
        value: 入门指南
      - name: zh-tw-lang
        value: 開始使用
    - title: Using the Material Theme
      path: /training/material/theme.html
      path_attributes:
      - name: es-lang
        value: Usar el tema Material
      - name: in-lang
        value: Menggunakan Tema Bahan
      - name: ja-lang
        value: マテリアル テーマの使用
      - name: ko-lang
        value: 머티어리얼 테마 사용
      - name: pt-br-lang
        value: Como usar o tema do Material
      - name: ru-lang
        value: Использование темы Material Design
      - name: vi-lang
        value: Sử dụng Chủ đề Material
      - name: zh-cn-lang
        value: 使用材料主题
      - name: zh-tw-lang
        value: 使用材料設計風格
    - title: Creating Lists and Cards
      path: /training/material/lists-cards.html
      path_attributes:
      - name: es-lang
        value: Crear listas y tarjetas
      - name: in-lang
        value: Membuat Daftar dan Kartu
      - name: ja-lang
        value: リストとカードの作成
      - name: ko-lang
        value: 목록 및 카드 생성
      - name: pt-br-lang
        value: Como criar listas e cartões
      - name: ru-lang
        value: Создание списков и подсказок
      - name: vi-lang
        value: Tạo Danh sách và Thẻ
      - name: zh-cn-lang
        value: 创建列表与卡片
      - name: zh-tw-lang
        value: 建立清單和卡片
    - title: Defining Shadows and Clipping Views
      path: /training/material/shadows-clipping.html
      path_attributes:
      - name: es-lang
        value: Definir vistas de recorte y sombras
      - name: in-lang
        value: Mendefinisikan Bayangan dan Memangkas Tampilan
      - name: ja-lang
        value: シャドウとクリッピング ビューの定義
      - name: ko-lang
        value: 그림자 정의 및 뷰 클리핑
      - name: pt-br-lang
        value: Como definir sombras e recortar visualizações
      - name: ru-lang
        value: Определение теней и обрезка представлений
      - name: vi-lang
        value: Định nghĩa Đổ bóng và Dạng xem Cắt hình
      - name: zh-cn-lang
        value: 定义阴影与裁剪视图
      - name: zh-tw-lang
        value: 定義陰影和裁剪檢視
    - title: Working with Drawables
      path: /training/material/drawables.html
      path_attributes:
      - name: es-lang
        value: Trabajar con interfaces dibujables
      - name: in-lang
        value: Bekerja dengan Drawable
      - name: ja-lang
        value: ドローアブルの使用
      - name: ko-lang
        value: Drawable 사용
      - name: pt-br-lang
        value: Como trabalhar com desenháveis
      - name: ru-lang
        value: Работа с элементами дизайна
      - name: vi-lang
        value: Làm việc với Nội dung vẽ được
      - name: zh-cn-lang
        value: 使用 Drawables
      - name: zh-tw-lang
        value: 使用可繪項目
    - title: Defining Custom Animations
      path: /training/material/animations.html
      path_attributes:
      - name: es-lang
        value: Definir animaciones personalizadas
      - name: in-lang
        value: Mendefinisikan Animasi Custom
      - name: ja-lang
        value: カスタム アニメーションの定義
      - name: ko-lang
        value: 사용자지정 애니메이션 정의
      - name: pt-br-lang
        value: Como definir animações personalizadas
      - name: ru-lang
        value: Определение настраиваемой анимации
      - name: vi-lang
        value: Định nghĩa Hoạt hình Tùy chỉnh
      - name: zh-cn-lang
        value: 定义定制动画
      - name: zh-tw-lang
        value: 定義自訂動畫
    - title: Maintaining Compatibility
      path: /training/material/compatibility.html
      path_attributes:
      - name: es-lang
        value: Mantener la compatibilidad
      - name: in-lang
        value: Mempertahankan Kompatibilitas
      - name: ja-lang
        value: 互換性の維持
      - name: ko-lang
        value: 호환성 유지
      - name: pt-br-lang
        value: Como manter a compatibilidade
      - name: ru-lang
        value: Обеспечение совместимости
      - name: vi-lang
        value: Duy trì Tính tương thích
      - name: zh-cn-lang
        value: 维护兼容性
      - name: zh-tw-lang
        value: 維持相容性

- title: Best Practices for User Input
  path: /training/best-user-input.html
  section:
  - title: Using Touch Gestures
    path: /training/gestures/index.html
    path_attributes:
    - name: description
      value: How to write apps that allow users to interact with the touch screen via touch gestures.
    section:
    - title: Detecting Common Gestures
      path: /training/gestures/detector.html
    - title: Tracking Movement
      path: /training/gestures/movement.html
    - title: Animating a Scroll Gesture
      path: /training/gestures/scroll.html
    - title: Handling Multi-Touch Gestures
      path: /training/gestures/multi.html
    - title: Dragging and Scaling
      path: /training/gestures/scale.html
    - title: Managing Touch Events in a ViewGroup
      path: /training/gestures/viewgroup.html
  - title: Handling Keyboard Input
    path: /training/keyboard-input/index.html
    path_attributes:
    - name: description
      value: How to specify the appearance and behaviors of soft input methods (such as on-screen keyboards) and how to optimize the experience with hardware keyboards.
    section:
    - title: Specifying the Input Method Type
      path: /training/keyboard-input/style.html
    - title: Handling Input Method Visibility
      path: /training/keyboard-input/visibility.html
    - title: Supporting Keyboard Navigation
      path: /training/keyboard-input/navigation.html
    - title: Handling Keyboard Actions
      path: /training/keyboard-input/commands.html
  - title: Supporting Game Controllers
    path: /training/game-controllers/index.html
    path_attributes:
    - name: description
      value: How to write apps that support game controllers.
    section:
    - title: Handling Controller Actions
      path: /training/game-controllers/controller-input.html
    - title: Supporting Controllers Across Android Versions
      path: /training/game-controllers/compatibility.html
    - title: Supporting Multiple Game Controllers
      path: /training/game-controllers/multiple-controllers.html

- title: Best Practices for Background Jobs
  path: /training/best-background.html
  section:
  - title: Running in a Background Service
    path: /training/run-background-service/index.html
    path_attributes:
    - name: description
      value: How to improve UI performance and responsiveness by sending work to a Service running in the background
    section:
    - title: Creating a Background Service
      path: /training/run-background-service/create-service.html
    - title: Sending Work Requests to the Background Service
      path: /training/run-background-service/send-request.html
    - title: Reporting Work Status
      path: /training/run-background-service/report-status.html
  - title: Loading Data in the Background
    path: /training/load-data-background/index.html
    path_attributes:
    - name: description
      value: How to use CursorLoader to query data without affecting UI responsiveness.
    section:
    - title: Running a Query with a CursorLoader
      path: /training/load-data-background/setup-loader.html
    - title: Handling the Results
      path: /training/load-data-background/handle-results.html
  - title: Managing Device Awake State
    path: /training/scheduling/index.html
    path_attributes:
    - name: description
      value: How to use repeating alarms and wake locks to run background jobs.
    section:
    - title: Keeping the Device Awake
      path: /training/scheduling/wakelock.html
    - title: Scheduling Repeating Alarms
      path: /training/scheduling/alarms.html

- title: Best Practices for Performance
  path: /training/best-performance.html
  section:
  - title: Managing Your App's Memory
    path: /training/articles/memory.html
    path_attributes:
    - name: description
      value: How to keep your app's memory footprint small in order to improve performance on a variety of mobile devices.
  - title: Performance Tips
    path: /training/articles/perf-tips.html
    path_attributes:
    - name: description
      value: How to optimize your app's performance in various ways to improve its responsiveness and battery efficiency.
  - title: Improving Layout Performance
    path: /training/improving-layouts/index.html
    path_attributes:
    - name: description
      value: How to identify problems in your app's layout performance and improve the UI responsiveness.
    section:
    - title: Optimizing Layout Hierarchies
      path: /training/improving-layouts/optimizing-layout.html
    - title: Re-using Layouts with <include/>
      path: /training/improving-layouts/reusing-layouts.html
    - title: Loading Views On Demand
      path: /training/improving-layouts/loading-ondemand.html
    - title: Making ListView Scrolling Smooth
      path: /training/improving-layouts/smooth-scrolling.html
  - title: Optimizing Battery Life
    path: /training/monitoring-device-state/index.html
    path_attributes:
    - name: es-lang
      value: Cómo optimizar la duración de la batería
    - name: ja-lang
      value: 電池消費量の最適化
    - name: zh-cn-lang
      value: 优化电池使用时间
    - name: description
      value: How to minimize the amount of power your app requires by adapting to current power conditions and performing power-hungry tasks at proper intervals.
    section:
    - title: Reducing Network Battery Drain
      path: /training/performance/battery/network/index.html
      section:
      - title: Collecting Network Traffic Data
        path: /training/performance/battery/network/gather-data.html
      - title: Analyzing Network Traffic Data
        path: /training/performance/battery/network/analyze-data.html
      - title: Optimizing User-Initiated Network Use
        path: /training/performance/battery/network/action-user-traffic.html
      - title: Optimizing App-Initiated Network Use
        path: /training/performance/battery/network/action-app-traffic.html
      - title: Optimizing Server-Initiated Network Use
        path: /training/performance/battery/network/action-server-traffic.html
      - title: Optimizing General Network Use
        path: /training/performance/battery/network/action-any-traffic.html
    - title: Optimizing for Doze and App Standby
      path: /training/monitoring-device-state/doze-standby.html
    - title: Monitoring the Battery Level and Charging State
      path: /training/monitoring-device-state/battery-monitoring.html
      path_attributes:
      - name: es-lang
        value: Cómo controlar el nivel de batería y el estado de carga
      - name: ja-lang
        value: 電池残量と充電状態の監視
      - name: zh-cn-lang
        value: 监控电池电量和充电状态
    - title: Determining and Monitoring the Docking State and Type
      path: /training/monitoring-device-state/docking-monitoring.html
      path_attributes:
      - name: es-lang
        value: Cómo determinar y controlar el tipo de conector y el estado de la conexión
      - name: ja-lang
        value: ホルダーの装着状態とタイプの特定と監視
      - name: zh-cn-lang
        value: 确定和监控基座对接状态和类型
    - title: Determining and Monitoring the Connectivity Status
      path: /training/monitoring-device-state/connectivity-monitoring.html
      path_attributes:
      - name: es-lang
        value: Cómo determinar y controlar el estado de la conectividad
      - name: ja-lang
        value: 接続状態の特定と監視
      - name: zh-cn-lang
        value: 确定和监控网络连接状态
    - title: Manipulating Broadcast Receivers On Demand
      path: /training/monitoring-device-state/manifest-receivers.html
      path_attributes:
      - name: es-lang
        value: Cómo manipular los receptores de emisión bajo demanda
      - name: ja-lang
        value: オンデマンドでのブロードキャスト レシーバ操作
      - name: zh-cn-lang
        value: 根据需要操作广播接收器
  - title: Sending Operations to Multiple Threads
    path: /training/multiple-threads/index.html
    path_attributes:
    - name: description
      value: How to improve the performance and scalability of long-running operations by dispatching work to multiple threads.
    section:
    - title: Specifying the Code to Run on a Thread
      path: /training/multiple-threads/define-runnable.html
    - title: Creating a Manager for Multiple Threads
      path: /training/multiple-threads/create-threadpool.html
    - title: Running Code on a Thread Pool Thread
      path: /training/multiple-threads/run-code.html
    - title: Communicating with the UI Thread
      path: /training/multiple-threads/communicate-ui.html
  - title: Keeping Your App Responsive
    path: /training/articles/perf-anr.html
    path_attributes:
    - name: description
      value: How to keep your app responsive to user interaction so the UI does not lock-up and display an "Application Not Responding" dialog.
  - title: JNI Tips
    path: /training/articles/perf-jni.html
    path_attributes:
    - name: description
      value: How to efficiently use the Java Native Interface with the Android NDK.
  - title: SMP Primer for Android
    path: /training/articles/smp.html
    path_attributes:
    - name: description
      value: Tips for coding Android apps on symmetric multiprocessor systems.

- title: Best Practices for Security & Privacy
  path: /training/best-security.html
  section:
  - title: Security Tips
    path: /training/articles/security-tips.html
    path_attributes:
    - name: description
      value: How to perform various tasks and keep your app's data and your user's data secure.
  - title: Security with HTTPS and SSL
    path: /training/articles/security-ssl.html
    path_attributes:
    - name: description
      value: How to ensure that your app is secure when performing network transactions.
  - title: Updating Your Security Provider to Protect Against SSL Exploits
    path: /training/articles/security-gms-provider.html
    path_attributes:
    - name: description
      value: How to use and update Google Play services security provider, to protect against SSL exploits.
  - title: Checking Device Compatibility with SafetyNet
    path: /training/safetynet/index.html
    path_attributes:
    - name: description
      value: How to use the SafetyNet service to analyze a device where your app is running and get information about its compatibility with your app.
  - title: Verifying Hardware-backed Key Pairs with Key Attestation
    path: /training/articles/security-key-attestation.html
    path_attributes:
    - name: description
      value: How to retrieve and verify the properties of a device's hardware-backed key pair.
  - title: Enhancing Security with Device Management Policies
    path: /work/device-management-policy.html
    path_attributes:
    - name: description
      value: How to create an application that enforces security policies on devices.

- title: Best Practices for Permissions & Identifiers
  path: /training/best-permissions-ids.html
  section:
  - title: Permissions and User Data
    path: /training/articles/user-data-overview.html
    path_attributes:
    - name: description
      value: Overview of app permissions on Android and how they affect your users.
  - title: Best Practices for App Permissions
    path: /training/articles/user-data-permissions.html
    path_attributes:
    - name: description
      value: How to manage permissions the right way for users.
  - title: Best Practices for Unique Identifiers
    path: /training/articles/user-data-ids.html
    path_attributes:
    - name: description
      value: Unique identifiers available and how to choose the right one for your use case.

- title: Best Practices for Testing
  path: /training/testing/index.html
  section:
  - title: Getting Started with Testing
    path: /training/testing/start/index.html
    path_attributes:
    - name: description
      value: How to get started with testing your Android applications.
  - title: Building Effective Unit Tests
    path: /training/testing/unit-testing/index.html
    path_attributes:
    - name: description
      value: How to build effective unit tests for Android apps.
    section:
    - title: Building Local Unit Tests
      path: /training/testing/unit-testing/local-unit-tests.html
    - title: Building Instrumented Unit Tests
      path: /training/testing/unit-testing/instrumented-unit-tests.html
  - title: Automating UI Tests
    path: /training/testing/ui-testing/index.html
    path_attributes:
    - name: description
      value: How to automate your user interface tests for Android apps.
    section:
    - title: Testing UI for a Single App
      path: /training/testing/ui-testing/espresso-testing.html
    - title: Testing UI for Multiple Apps
      path: /training/testing/ui-testing/uiautomator-testing.html
  - title: Testing App Component Integrations
    path: /training/testing/integration-testing/index.html
    path_attributes:
    - name: description
      value: How to build effective integration tests for Android apps.
    section:
    - title: Testing Your Service
      path: /training/testing/integration-testing/service-testing.html
    - title: Testing Your Content Provider
      path: /training/testing/integration-testing/content-provider-testing.html
  - title: Testing Display Performance
    path: /training/testing/performance.html
    path_attributes:
    - name: description
      value: How to automate UI performance testing.

- title: Using Google Play to Distribute & Monetize
  path: /training/distribute.html
  section:
  - title: Selling In-app Products
    path: /training/in-app-billing/index.html
    path_attributes:
    - name: description
      value: How to sell in-app products from your application using In-app Billing.
    section:
    - title: Preparing Your App
      path: /training/in-app-billing/preparing-iab-app.html
    - title: Establishing Products for Sale
      path: /training/in-app-billing/list-iab-products.html
    - title: Purchasing Products
      path: /training/in-app-billing/purchase-iab-products.html
    - title: Testing Your App
      path: /training/in-app-billing/test-iab-app.html
  - title: Maintaining Multiple APKs
    path: /training/multiple-apks/index.html
    path_attributes:
    - name: description
      value: How to publish your app on Google Play with separate APKs that target different devices, while using a single app listing.
    section:
    - title: Creating Multiple APKs for Different API Levels
      path: /training/multiple-apks/api.html
    - title: Creating Multiple APKs for Different Screen Sizes
      path: /training/multiple-apks/screensize.html
    - title: Creating Multiple APKs for Different GL Textures
      path: /training/multiple-apks/texture.html
    - title: Creating Multiple APKs with 2+ Dimensions
      path: /training/multiple-apks/multiple.html