IOS adds a click event to the background

This event is triggered when you click the background, jump to the interface, or generate other responses.

-(Void) viewDidLoad

{

UIImageView * imageView = [UIImageView alloc] initWithFrame: CGRectmake

(200,100,)];

ImageView. image = [UIImage imageName: @ "aa.png"];

ImageView. userInterationEnable = YES;

// The main thing is to apply the method of this class.

UITapGesturRecognizer * TapGesturRecognizer = [UITapGestureRecognizer alloc]

InitWithTarget: self action: @ selecter (tapGestureRecognizer );

[ImageView addGestureRecognizer: TapGesturRecognizer];

[Self. view addSubview: imageView];

}

// Release the textfile keyboard when you click an image.

-(Void) tapGestureRecognizer

{

[Self. textfile resignFirstRsponder];