[英]How to determine which view controller is currently active/the one displaying a view?
[英]How can I determine which view is active?
我有一个viewController,有5个视图,我想根据视图初始化一些东西,所以在viewDidLoad()
,我想做一个:
if self.view == view1 { // Stuff here }
if self.view == view2 do { // Stuff here }
但这是行不通的。 那么如何检测活动视图?
if([self.view1 isFirstResponder]){
//Do some nice stuff
}
您可以使用isFirstResponder
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