问题:
Failed to fetch URL https://dl-ssl.google.com/android/repository/addons_list.xml, reason: Connection to https://dl-ssl.google.com refusedhostname in certificate didn't match:
74.125.205.147 dl.google.com
74.125.205.147 dl-ssl.google.com
74.125.205.147 groups.google.com
74.125.205.147 goo.gl
74.125.205.147 appengine.google.com
74.125.113.121 developer.android.com
打开Android SDK Manager,选上方的菜单Tools,进入Options,在“Force https://… ”前面打钩,就可以更新了!
如果是Mac系统则
cd ~/.android/
.android/androidtool.cfg文件,在最后一行加入
sdkman.force.http=true
如果没有找到androidtool.cfg ,则新建一个该文件,添加上述语句即可