./gradlew clean -i assembleDebug
发现 连接dl.google.com超时
则使用http://ping.chinaz.com/网站ping下，找到dl.google.com对应的ip
在本地hosts中添加一条记录
203.208.43.66 dl.google.com
再编译就好了
月份：2019年4月
bei
recyclerView.setNestedScrollingEnabled(true);https://www.jianshu.com/p/635970ac603a
https://hfutfei.iteye.com/blog/988374
https://www.cnblogs.com/frankliiu-java/articles/1759460.html
https://www.cnblogs.com/zhaoyan001/p/6365064.html
https://blog.csdn.net/android_gogogo/article/details/53376178
https://my.oschina.net/djone/blog/145057
https://blog.csdn.net/lv_fq/article/details/77836700
https://github.com/lvfaqiang/AndroidTestCode
https://github.com/osmandapp/Osmand
http://www.justlive.vip/blog/article/details/4199
https://github.com/jiaowenzheng/CustomTextView
http://www.cnblogs.com/TerryBlog/archive/2013/04/02/2994815.html
https://www.cnblogs.com/zhujiabin/p/5808232.html
https://github.com/Luction/AndroidRichText
https://blog.csdn.net/u014620028/article/details/54092723
https://www.cnblogs.com/zhujiabin/p/5808232.html
http://www.cnblogs.com/luction/p/3645210.html
https://www.jianshu.com/p/b87dddf02e04
https://juejin.im/post/5b13a5b8f265da6e3128d501
https://tonnyl.io/Spantastic-Text-Styling-With-Spans/
http://melonteam.com/posts/gei_ni_de_spannablestring_she_zhi_dian_ji_tai/
https://blog.51cto.com/kinbos/1348407
https://blog.csdn.net/c16882599/article/details/52913799
https://segmentfault.com/a/1190000006163046
https://blog.csdn.net/natloc/article/details/50849700
http://blog.hacktons.cn/2015/02/03/porterduff/
https://www.jianshu.com/p/d54e24efbd7b
https://github.com/MrAllRight/BezierView/
https://www.jianshu.com/p/a5c2f0359d31
https://www.jianshu.com/p/016534448bfe