1. 找到hosts 文件。
windows 7的路径为: %SystemRoot%\system32\drivers\etc\
2. 用notepad++ 打开,并在最下面添加这样几行:
74.125.204.136 dl-ssl.google.com
203.208.46.146 dl-ssl.google.com
74.125.237.1 dl-ssl.google.com
203.208.46.146 dl.google.com
3. 打开sdk manager, go to "Tools->options", 选中“force https://... source to be fetched”
4. 重启sdk manager
5. OK