Android 13 添加了进一步的自定义功能，以改善用户体验并提高与 TV 设备的兼容性。此版本的亮点包括改进性能和质量，以及与 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，这些功能并非全部适用于电视。
以下是适用于 TV 的 Android 13 中的一些新功能：
媒体与电源
- 预期音频路由可让应用在创建 AudioTrack 之前识别路由设备和支持的格式
- 用户可在受支持的 HDMI 源设备上控制首选分辨率和刷新频率
- 改进了针对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
- 更新了用户控制在遥控器上 Google 助理麦克风使用权限的控制选项
- 用于跨应用启用语音描述的全局偏好设置
- 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 扩展的交互式电视用例框架
如何迈出第一步
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。您也可以使用 TV 版 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。
下载本页列出的系统映像。
如有需要，请备份您的设备数据。
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该操作。
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 |
Download ADT-3 factory system image
Before downloading, you must agree to the following terms and conditions.
Terms and Conditions
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.
Download ADT-3 factory system image
Before downloading, you must agree to the following terms and conditions.
Terms and Conditions
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.