java（BaseFragment,BaseActivity）+kotlin(其余页面)混编
rxjava
rxandroid
retrofit2
databinding
glide
anko
deeplink
http://oo94hcyew.bkt.clouddn.com/kotlin-in-chinese.pdf
http://www.mamicode.com/info-detail-1172799.html
http://www.kotlincn.net/docs/reference/idioms.html
https://zhuanlan.zhihu.com/p/23101437
http://gank.io/download