如何安装不同版本的Android？

Question

我安装了Android SDK。当我运行它时，我只能看到Andriod 4.2.2（API 17）。

为什么我没有看到所有的API选项？ （例如API 11,12,13,14）

我是否需要安装别的东西？

这是SDK管理器日志：

Fetching https://dl-ssl.google.com/android/repository/addons_list-2.xml
Fetched Add-ons List successfully
Fetching URL: https://dl-ssl.google.com/android/repository/repository-7.xml
Fetching URL: http://dl-ssl.google.com/android/eclipse/addon.xml
Done loading packages.
Fetching https://dl-ssl.google.com/android/repository/addons_list-2.xml
Failed to fetch URL https://dl-ssl.google.com/android/repository/addons_list-2.xml, reason: Unknown Host dl-ssl.google.com
Fetched Add-ons List successfully
Fetching URL: https://dl-ssl.google.com/android/repository/repository-7.xml
Failed to fetch URL https://dl-ssl.google.com/android/repository/repository-7.xml, reason: IO Unknown Host dl-ssl.google.com
Fetching URL: http://dl-ssl.google.com/android/eclipse/addon.xml
Failed to fetch URL http://dl-ssl.google.com/android/eclipse/addon.xml, reason: IO Unknown Host dl-ssl.google.com
Done loading packages.
Fetching URL: https://dl-ssl.google.com/android/repository/repository-7.xml
Failed to fetch URL https://dl-ssl.google.com/android/repository/repository-7.xml, reason: IO Unknown Host dl-ssl.google.com
Fetching URL: http://dl-ssl.google.com/android/eclipse/addon.xml
Failed to fetch URL http://dl-ssl.google.com/android/eclipse/addon.xml, reason: IO Unknown Host dl-ssl.google.com
Done loading packages.
Fetching URL: https://dl-ssl.google.com/android/repository/repository-7.xml
Failed to fetch URL https://dl-ssl.google.com/android/repository/repository-7.xml, reason: IO Unknown Host dl-ssl.google.com
Fetching URL: http://dl-ssl.google.com/android/eclipse/addon.xml
Failed to fetch URL http://dl-ssl.google.com/android/eclipse/addon.xml, reason: IO Unknown Host dl-ssl.google.com
Done loading packages.

Answer 1

1. 打开您的sdk经理。

2. 点击左上角的“套餐”。

3. 点击“显示更新/新套餐”

4. 您应该会看到Android版本列表。点击您需要的内容，然后点击右下角的“安装X软件包”。

x是文件的计数器。