Android issue index

Can not perform this action after onSaveInstanceState

https://www.jianshu.com/p/94f903bfd9f6

https://blog.csdn.net/edisonchang/article/details/49873669

https://blog.csdn.net/ranxiedao/article/details/8214936?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromBaidu-2.control&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromBaidu-2.control

FragmentTransaction的commit和commitAllowingStateLoss的區別 

FragmentTransaction的提交方法

sqlite: Error Code : 5 (SQLITE_BUSY) (database is locked (code 5): , while compiling: PRAGMA journal_mode)