iOS off keyboard simple implementation (Objc/swift)

Objective-c Code Instance mode one

[[[UIApplication sharedApplication]keyWindowendEditing:YES];

If there are many textfield on a view, you can directly

[self.view endEditing:YES];

Objective-c Code Instance mode two

[[ SelfFindfirstresponderbeneathview: Self] Resignfirstresponder]; [[ SelfFindfirstresponderbeneathview: Self] Becomefirstresponder];//Open Keyboard- (UIView*) Findfirstresponderbeneathview: (UIView*) View {//Search recursively for first responder     for(UIView*childview in view. Subviews) {if([Childview Respondstoselector:@selector(Isfirstresponder)] && [Childview Isfirstresponder])returnChildview;UIView*result = [ SelfFindfirstresponderbeneathview:childview];if(Result)returnResult }return Nil;}

Swift Mode One

UIApplication.sharedApplication().keyWindow?.endEditing(true)

Swift Mode II

func findFirstResponderBeneathView(view: UIView) -> () {        forin view.subviews {            let isChildFirstResponder = childView.isFirstResponder()            let isChildResponderSelector = childView.respondsToSelector("isFirstResponder")            if isChildFirstResponder && isChildResponderSelector {                childView.resignFirstResponder()            }            self.findFirstResponderBeneathView(childView as! UIView)        }    }

Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.

iOS off keyboard simple implementation (Objc/swift)