轉自:http://www.oschina.net/question/265039_173445
①在Android SDK Manager Setting 視窗設定HTTP Proxy server和HTTP Proxy Port這個2個參數,分别設定為:
HTTP Proxy server:mirrors.neusoft.edu.cn
HTTP Proxy Por:80
②options>Force ..http://...sources to be fetched using http://..選中該選項
③Packages>reload 即可