http://www.cnblogs.com/zhoujg/archive/2015/05/28/4534932.html
1、https://www.jetbrains.com/idea/download/#section=windows
2、下载sdk： https://developer.android.com/studio/index.html#downloads
3、sdkwin7环境变量：http://www.cnblogs.com/pxue/archive/2011/05/10/2042530.html
4、sdk环境变量 http://jingyan.baidu.com/article/f71d603757965b1ab641d12a.html?qq-pf-to=pcqq.c2c