Android 13 會新增更多自訂項目，改善使用者體驗並增進與 TV 裝置的相容性。這個版本的重點包括效能和品質方面的改善，以及持續改善使用者與 Android TV 互動的方式。
如需 Android 13 的完整變更清單，請參閱 Android 13 說明文件。請注意，這些功能不適用於電視。
以下列舉 Android 13 的電視版有哪些新功能：
媒體與電源
- 預測音訊路徑可讓應用程式在建立 AudioTrack 前識別已轉送的裝置和支援的格式
- 在支援的 HDMI 來源裝置上，使用者可以選擇偏好的解析度和刷新率
- 改善低耗電待機模式的電源管理方式
輸入控制與無障礙設計
- 硬體靜音切換狀態會反映在系統隱私權控制項中
- 更新使用者控制遙控器上的 Google 助理麥克風存取權
- 跨應用程式啟用口述影像的通用偏好設定
- 新的 Keyboard Layouts API 可讓您為外部鍵盤選取不同語言版面配置
HDMI 與調諧器
- 改善 HDMI 來源裝置的 HDMI 狀態變更處理方式
- 改善 HDMI 來源裝置的語言選擇
- Tuner HAL 2.0，提供效能最佳化、雙旋調諧器和 ISDB-T 多層支援
- 互動式電視用途架構，做為 TIF 的擴充功能
如何開始
如果您有 ADT-3 開發人員套件，請按照本節的操作說明安裝系統映像檔。您也可以使用電視專用 Android Emulator，試用部分新的使用者介面功能，例如音訊轉送、鍵盤配置和 HDMI 狀態變更。
手動安裝系統映像檔
如要安裝 Android 13，請按照下列步驟操作：
- 使用 Google TV 適用的 ADT-3 開發人員套件。提供的系統映像檔僅適用於 ADT-3 開發人員裝置。
下載本頁列出的系統映像檔。
視需要備份裝置資料。
將映像檔刷新至 ADT-3 裝置。手動刷新裝置可讓您精確控制測試環境，使用指令列工具執行。
ADT-3 原廠映像檔
| 裝置 | 下載連結 | SHA-256 核對和 |
|---|---|---|
| ADT-3 (Android TV) | 769c2069e58776ef9463e2af7849790ab36f5d7f9b511451a2b4e507ce29fabe |
|
| ADT-3 (Google TV) | c65fd22cbca40b5af3558df233a8ef5a8837ebfff5e93dda9a070a38e4ac9244 |
下載 ADT-3 factory system image
下載前，請先同意以下條款及細則。
條款及細則
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.
下載 ADT-3 factory system image
下載前，請先同意以下條款及細則。
條款及細則
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.