各种情况下的fragment

fragment and activity

https://blog.youkuaiyun.com/qq_36882793/article/details/82151686

fragment viewpager, onActivityResult

https://blog.youkuaiyun.com/jokeeeeee/article/details/46004931

fragment sample

https://blog.youkuaiyun.com/lmj623565791/article/details/37970961

https://blog.youkuaiyun.com/lmj623565791/article/details/42628537

https://www.jianshu.com/p/662c46cd3b5f

Android 屏幕旋转 处理 AsyncTask 和 ProgressDialog 的最佳方案

https://blog.youkuaiyun.com/lmj623565791/article/details/37936275

DialogFragment 创建对话框

https://blog.youkuaiyun.com/lmj623565791/article/details/37815413

Fragment+TabPageIndicator+ViewPager

https://blog.youkuaiyun.com/lmj623565791/article/details/24740977

https://www.jianshu.com/p/1378ad613724

懒加载

https://blog.youkuaiyun.com/lk2021991/article/details/84981662