1.Handler详解
https://note.youdao.com/ynoteshare1/index.html?id=27ff5a76da61396ccf0a99c899811f96&type=note
2.Https自我总结（精简版）
https://note.youdao.com/ynoteshare1/index.html?id=252d2a878c8b3a96ad67d1b3499e8db3&type=note
3.Https自我整理（完整版）
https://note.youdao.com/ynoteshare1/index.html?id=73fb6d4156db5f04b285deae6d4ece2e&type=note
4.广播的两种注册方法以及区别
https://blog.csdn.net/clx44551/article/details/50949664
5.AsyncTask
https://note.youdao.com/ynoteshare1/index.html?id=dc0c30f0f4fad5084ebbf60fbe0cf711&type=note
5.安卓9.0出现明文网络请求解决办法
https://blog.csdn.net/CXX236Cxx/article/details/88058817
6.TCP三次握手和四次挥手和UDP区别
https://note.youdao.com/ynoteshare1/index.html?id=e54b349a51c7b5546057879a2ae41571&type=note
7.HTTP协议
https://note.youdao.com/ynoteshare1/index.html?id=80465a23cc16573b7bb7410fa4dbdb41&type=note
8.Handler源码
https://note.youdao.com/ynoteshare1/index.html?id=6d3b7725181e97e22a6a93e6ea330e74&type=note
9.HashMap源码解析
https://note.youdao.com/ynoteshare1/index.html?id=4e7ba650403fd4d01292710836f52745&type=note
10.Android技术汇总
https://note.youdao.com/ynoteshare1/index.html?id=cdaf2adca419b5243c0eade5fad8dc69&type=note
11.代理模式
https://note.youdao.com/ynoteshare1/index.html?id=20b424552b29cc50449e94afa5e31394&type=note
12.工厂
https://note.youdao.com/ynoteshare1/index.html?id=555c6be318f3427b3981d68880c3f37d&type=note
13.策略者模式
https://note.youdao.com/ynoteshare1/index.html?id=d42f7ccaf5253dc81a712103797a6d3f&type=note
14.观察者模式
https://note.youdao.com/ynoteshare1/index.html?id=ece5794b8dac2138d57300675e080725&type=note
15.三级缓存，二次采样
https://blog.csdn.net/zhangxin0414/article/details/52780828
