摘要： 出现问题：1.windows中android SDK manager安装更新sdk很慢，或者出现Done loading packages后不动甚至没有任何可用包2.Failed to fetch URL https://dl-ssl.google.com/android/repository/repository-6.xml, reason: Connection to https://dl-ssl.google.com refusedFailed to fetch URL http://dl-ssl.google.com/android/repository/addons_list-1.x 阅读全文