2020-07-23UIViewController的生命周期总
2020-07-23 本文已影响0人
zhangwenqiang
vc1.view addsubview vc2.view
then pushviewcontroller vc2 观察生命周期：
vc1.viewdidload
addsubview
pushviewcontroller
vc2.viewdidload
vc1.viewwillappear
vc2.viewwillappear
vc1.viewdidappear
vc2.viewdidappear
vc1.viewwilldisappear
vc2.viewwillappear
vc1.viewDidDisappear
vc2.viewdidappear
