UINavigationController中使用UIimagePicker ,造成willAppear等失效
在UINavigationController下的-(void)viewWillAppear:方法失效的...
【求助】UINavigationController返回后,viewWillAppear失效 | iOS...
...to ‘id<UINavigationControllerDelegate,UIImagePicker...
在UINavigationController下的-(void)viewWillAppear:方..._希赛网
开发中解决viewWillAppear失效问题 - 简书