1、android-sdk_r16 （1）http://dl.google.com/android/android-sdk_r16-windows.zip
http://dl.google.com/android/installer_r15-windows.exe（Recommended）
（2）http://dl.google.com/android/android-sdk_r16-mac_x86.zip
（3）http://dl.google.com/android/android-sdk_r16-linux_x86.tgz
2、下载方法：https://dl-ssl.google.com/android/repository/xxx.zip, xxx用以下包替换。
2.1 Android SDK
https://dl-ssl.google.com/android/repository/android-1.1_r1-windows.zip
https://dl-ssl.google.com/android/repository/android-1.1_r1-macosx.zip
https://dl-ssl.google.com/android/repository/android-1.1_r1-linux.zip
https://dl-ssl.google.com/android/repository/android-1.5_r04-windows.zip
https://dl-ssl.google.com/android/repository/android-1.5_r04-macosx.zip
https://dl-ssl.google.com/android/repository/android-1.5_r04-linux.zip