如何安裝不同版本的Android？

Question

我安裝了Android SDK。當我運行它時，我只能看到Andriod 4.2.2（API 17）。

爲什麼我看不到所有的API選項？ （例如API 11,12,13,14）

我是否需要安裝別的東西？

這是SDK管理器日誌：

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. 打開SDK管理器。

2. 點擊「包」從左上方。

3. 點擊 「顯示更新/新軟件包」

4. 你應該看到的Android版本的列表。點擊您想要的，然後從右下角點擊「安裝X包」。

x是文件的計數器。