Android 13 添加了进一步的自定义功能，以提升用户体验并提高与 TV 设备的兼容性。此版本的一些亮点包括性能和质量改进，以及对用户与 Android TV 互动方式的持续改进。
如需查看 Android 13 中包含的所有变更的完整列表，请参阅 Android 13 文档。请注意，并非所有这些功能都适用于电视。
以下是 Android 13 for TV 中的一些主要新变化：
媒体和电源
- 借助预期音频路由，应用可以在创建 AudioTrack 之前识别路由的设备和支持的格式
- 针对受支持的 HDMI 源设备上的首选分辨率和刷新率的用户控件
- 改进了低功耗待机的电源管理
输入控制和无障碍功能
- 硬件静音开关状态会反映在系统隐私控制中
- 更新了遥控器上 Google 助理麦克风使用权限的用户控件
- 用于在各应用中启用音频说明的全局偏好设置
- 新的 Keyboard Layouts API 允许为外接键盘选择不同的语言布局
HDMI 和调谐器
- 更好地处理 HDMI 源设备上的 HDMI 状态变化
- 改进了 HDMI 源设备的语言选择
- 调谐器 HAL 2.0，具有性能优化、双调谐器和 ISDB-T 多层支持
- 作为 TIF 扩展的互动式电视用例框架
如何开始使用
如果您有 ADT-3 开发者套件，请按照本部分中的说明安装系统映像。或者，您也可以使用适用于电视的 Android 模拟器，试用一些新的界面功能，例如音频路由、键盘布局和 HDMI 状态更改。
手动安装系统映像
如需安装 Android 13，请按以下步骤操作：
- 使用适用于 Google TV 的 ADT-3 开发者套件。提供的系统映像仅适用于 ADT-3 开发者设备。
下载此页面上列出的系统映像。
根据需要备份设备数据。
将映像刷写到 ADT-3 设备上。手动刷写设备可让您精确控制测试环境，并且可以使用命令行工具执行。
ADT-3 出厂映像
| 设备 | 下载链接 | SHA-256 校验和 |
|---|---|---|
| ADT-3（Android TV） | 769c2069e58776ef9463e2af7849790ab36f5d7f9b511451a2b4e507ce29fabe |
|
| ADT-3（Google TV） | c65fd22cbca40b5af3558df233a8ef5a8837ebfff5e93dda9a070a38e4ac9244 |
下载 ADT-3 factory system image
您必须先接受以下条款及条件才能下载。
条款及条件
By clicking to accept, you hereby agree to the following:All use of this development version SDK will be governed by the Android Software Development Kit License Agreement (available at https://developer.android.com/studio/terms and such URL may be updated or changed by Google from time to time), which will terminate when Google issues a final release version.
Your testing and feedback are important part of the development process and by using the SDK, you acknowledge that (i) implementation of some features are still under development, (ii) you should not rely on the SDK having the full functionality of a stable release; (iii) you agree not to publicly distribute or ship any application using this SDK as this SDK will no longer be supported after the official Android SDK is released; and (iv) you agree that Google may deliver elements of the SDK to your devices via auto-update (OTA or otherwise, in each case as determined by Google).
WITHOUT LIMITING SECTION 10 OF THE ANDROID SOFTWARE DEVELOPMENT KIT LICENSE AGREEMENT, YOU UNDERSTAND THAT A DEVELOPMENT VERSION OF A SDK IS NOT A STABLE RELEASE AND MAY CONTAIN ERRORS, DEFECTS AND SECURITY VULNERABILITIES THAT CAN RESULT IN SIGNIFICANT DAMAGE, INCLUDING THE COMPLETE, IRRECOVERABLE LOSS OF USE OF YOUR COMPUTER SYSTEM OR OTHER DEVICE.
下载 ADT-3 factory system image
您必须先接受以下条款及条件才能下载。
条款及条件
By clicking to accept, you hereby agree to the following:All use of this development version SDK will be governed by the Android Software Development Kit License Agreement (available at https://developer.android.com/studio/terms and such URL may be updated or changed by Google from time to time), which will terminate when Google issues a final release version.
Your testing and feedback are important part of the development process and by using the SDK, you acknowledge that (i) implementation of some features are still under development, (ii) you should not rely on the SDK having the full functionality of a stable release; (iii) you agree not to publicly distribute or ship any application using this SDK as this SDK will no longer be supported after the official Android SDK is released; and (iv) you agree that Google may deliver elements of the SDK to your devices via auto-update (OTA or otherwise, in each case as determined by Google).
WITHOUT LIMITING SECTION 10 OF THE ANDROID SOFTWARE DEVELOPMENT KIT LICENSE AGREEMENT, YOU UNDERSTAND THAT A DEVELOPMENT VERSION OF A SDK IS NOT A STABLE RELEASE AND MAY CONTAIN ERRORS, DEFECTS AND SECURITY VULNERABILITIES THAT CAN RESULT IN SIGNIFICANT DAMAGE, INCLUDING THE COMPLETE, IRRECOVERABLE LOSS OF USE OF YOUR COMPUTER SYSTEM OR OTHER DEVICE.