This is a demo project for blog article , most articl is on the csdn 博客列表 仿照京东下拉刷新效果 [https://blog.csdn.net/wenxiang423/article/details/82909107] 原生MediaPlayer的循环播放不黑屏效果实现 [https://blog.csdn.net/wenxiang423/article/details/82662113]