Short video system source code, click the blank space of the screen, the keyboard does not automatically stow

Short video system source code , Click on the blank space of the screen and the keyboard will not be automatically stowed

#import <UIKit/UIKit.h>
 
typedef void(^resignFirstResponderBlock)(BOOL hided);
 
@interface UITextField (hideKeyBoard)
// Delay logout of the first responder 
-(BOOL)resignFirstResponder:(resignFirstResponderBlock)block;
@end

#import "UITextField+hideKeyBoard.h"
 
@implementation UITextField (hideKeyBoard)
 
/** *  Delay logout of the first responder  * * @param block  Events executed after delay  * * @return  Judge  */
-(BOOL)resignFirstResponder:(resignFirstResponderBlock)block{
    
    dispatch_async(dispatch_get_global_queue(0, 0), ^{
    
 
        double delayInSeconds = 0.1;
        dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, delayInSeconds * NSEC_PER_SEC);
        dispatch_after(popTime, dispatch_get_main_queue(), ^{
    
            [self resignFirstResponder];
 
            block(YES);
        });
        
    });
    return YES;
}
 
@end

The above is the source code of short video system , Click on the blank space of the screen and the keyboard will not be automatically stowed , More content welcome to follow the article