我們在 Android 12 中新增更多自訂項目，改善 TV 裝置的體驗和相容性。TV 的重點在於改善媒體播放品質、改善使用者介面功能，以及隱私權與安全性強化項目。此外，我們也推出更佳的標準，以支援及改善 HDMI 和調音器。
以下概略介紹 Android 12 TV 的新功能：
媒體
- 使用刷新率切換功能，避免在播放期間移動動作
- 經過認證的 API 準確率，可使用報表顯示模式、HDR 格式和環場音效格式
使用者介面
- 使用
RenderEffect和WindowManager的背景模糊效果 - 支援 4K UI
- 字型大小的無障礙設定
隱私權與安全性
HDMI 和調音器
- 支援 HDMI-CEC 2.0
- Tuner HAL 1.1 支援 DTMB 支援和效能改進
- 使用調諧器服務改善防護模型
如需 Android 12 的完整變更清單，請參閱 Android 12 說明文件。請注意，並非所有功能都適用於電視。
請先下載 ADT-3 開發人員工具包的系統映像檔。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，例如背景模糊和 4K UI 支援。
如何開始
如果您目前已有 ADT-3 開發人員裝置，則裝置會自動收到 OTA 更新到 Android 12。或者，您也可以按照下列步驟安裝 Android 12：
- 使用 Android 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。
- 下載系統映像檔。
- 在 ADT-3 裝置上安裝系統映像檔。
手動安裝系統映像檔
您可以下載最新的 Android 12 系統映像檔，然後手動將其刷新至測試裝置。手動刷新裝置可讓您精準控制測試環境，並使用指令列工具執行。
備份裝置資料後，請下載下列其中一個 ADT-3 版本，然後將映像檔更新到裝置上。
ADT-3 原廠映像檔
| 裝置 | 下載連結 | SHA-256 核對和 |
|---|---|---|
| ADT-3 (Android TV) | 9310b47c79570cb5a9916ac4f7fe383c62242afea64a2d389aa27ea4f9555a35 |
|
| ADT-3 (Google TV) | 91f7efe7cccfc507a80366c0edb32991df931620ecfc7d2aa765e7b233dc01f1 |
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.