1.Android应用内展示word、excel、pdf、ppt等文件http://www.jianshu.com/p/3f57d640b24d
2.Android 固定头部的ListView以及下拉刷新(附源码)
http://blog.csdn.net/pengguichu/article/details/52840775?locationNum=2&fps=1
3.敲酷炫的 ViewPager 切换效果和弹性指示器
https://juejin.im/entry/58e5b4a7ac502e4957aa46b6
4.Android Studio混淆模板及常用第三方混淆(看了都说好
http://blog.csdn.net/a120705230/article/details/51791995
5.Retrofit2实现App自动更新
http://blog.csdn.net/jdsjlzx/article/details/52144971
http://blog.csdn.net/u013718120/article/details/53018801
6.Retrofit 2.0 超能实践（一），okHttp完美支持Https传输
http://blog.csdn.net/sk719887916/article/details/51597816
7.Retrofit——转换器（SimpleXmlConverterFactory）
http://blog.csdn.net/qqyanjiang/article/details/51199111
8.Retrofit Token过期自动刷新并重新请求接口
http://blog.csdn.net/jdsjlzx/article/details/52442113
9.Android HTTPS 自制证书实现双向认证(OkHttp + Retrofit + Rxjava)
http://www.jianshu.com/p/64172ccfb73b
10.Android中RecyclerView的adapter封装
https://wangyantao.github.io/adapter/
11.Android RecyclerView 顶部悬浮实现
http://www.jianshu.com/p/c596f2e6f587
15.Android MD风格相关控件小结
http://www.jianshu.com/p/5e6f2ae1d2ec
16.android多渠道发布教程(360加固)
http://m.blog.csdn.net/s1674521/article/details/74080771
17.Android7.0适配之FileProvide(拍照,裁剪,应用安装)
http://www.bendaidai.top/?p=100
18 Android 如何使用代码打开各种类型的文件（mp3，ogg,3gp等）
http://www.jianshu.com/p/1414101858c1
19.类似微信朋友圈图片查看器 https://github.com/yangchaojiang/ZoomPreviewPicture
20.textview多行文本后加上图片 http://blog.csdn.net/u011176685/article/details/49685019
21.好看的加载等待动画http://www.apkbus.com/thread-276356-1-1.html
22.Kotlin学习 https://github.com/wangjiegulu/kotlin-for-android-developers-zh/blob/master/zai_android_studio_zhong_chuang_jian_yi_ge_xiang_mu.md
23.适配7.0的图片选择器http://blog.csdn.net/lwk520136/article/details/65647033
24.android简易封装出错时默认展示页
https://www.jianshu.com/p/708fae4b4c5c
25.上拉加载 下拉刷新 https://github.com/scwang90/SmartRefreshLayout/blob/master/art/md_custom.md
26.面试
https://github.com/francistao/LearningNotes
27.音视频学习资料
https://www.cnblogs.com/renhui/p/7452572.html
28.dialog 进出动画
https://www.jianshu.com/p/5f8e74726eee