Click Event on UIImageView programmatically in ios

Question

I am displaying a image from code here is the code

UIImageView *preArrowImage =[[UIImageView alloc]init ];
preArrowImage.image =[UIImage imageNamed:@"arrowprev.png"];
preArrowImage.frame = CGRectMake(20, 60, 10, 30);
[self.view addSubview:preArrowImage];

I want to handle the touch event on the preArrowImage programmatically.

Chili

This may be of some use #9009475 – Di

Check this answer will help you https://mcmap.net/q/209448/-click-event-on-uiimageview-programmatically-in-ios – Kob

Answer 1

SWIFT 5

let preArrowImage : UIImageView // also give it frame
let singleTap = UITapGestureRecognizer(target: self, action: #selector(tapDetected))
preArrowImage.isUserInteractionEnabled = true
preArrowImage.addGestureRecognizer(singleTap)

//Action
 func tapDetected() {
    print("Imageview Clicked")
}

Objective-c

UITapGestureRecognizer *singleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapDetected)];
singleTap.numberOfTapsRequired = 1;
[preArrowImage setUserInteractionEnabled:YES];
[preArrowImage addGestureRecognizer:singleTap];
 
-(void)tapDetected{
    NSLog(@"single Tap on imageview");
  }

Kissner

for Swift 2 you should replace Selector("tapDetected") with: "tapDetected:" – Rockett

By default singleTap.numberOfTapsRequired=1, Happy Coding Thanks – Sidewheel

'let singleTap = UITapGestureRecognizer(target: self, action: #selector(NavigationViewController.tapDetectedImage))' – Lyndialyndon

Answer 2

Simply add a UITapGesture on the image but remember to make its UserInteraction Enabled.

    UITapGestureRecognizer *singleTap = [[UITapGestureRecognizer alloc] initWithTarget:self 
    action:@selector(singleTapGestureCaptured:)];
    [preArrowImage addGestureRecognizer:singleTap];
    [preArrowImage setMultipleTouchEnabled:YES];
    [preArrowImage setUserInteractionEnabled:YES];

Vanburen

Answer 3

Now in Swift!

let singleTap = UITapGestureRecognizer(target: self, action: Selector("tapDetected"))
singleTap.numberOfTapsRequired = 1

preArrowImage.userInteractionEnabled = true
preArrowImage.addGestureRecognizer(singleTap)


//Action
func tapDetected() {
    println("Single Tap on imageview")
}

Hamadryad

Answer 4

Swift 3

On UIImageView enable UserInterAction

 override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
        super.touchesEnded(touches, with: event)

        if let touch = touches.first {
            if touch.view == self.imgVwPostPreview { //image View property

                //Do your actions
                //self.delegate?.didClickOnCellImageView(indexPath: self.cellIndexPath!)
            }
        }
    }

Kob

Answer 5

Using story board with view in view controller.

After selecting one of the gesture recognizer drag it to your controller.
Now it will display in "Document outline" and header of view controller xib.

Drag gesture to UILable

create IBAction method in header file
Now drag it from handler to gesture icon in xib

Geraud

Answer 6

Xamarin.iOS

UIImageView preArrowImage; // also give it frame
var singleTap = new UITapGestureRecognizer(TapDetected);
singleTap.ShouldReceiveTouch -= TapGesture_ShouldReceiveTouch;
singleTap.ShouldReceiveTouch += TapGesture_ShouldReceiveTouch;
preArrowImage.UserInteractionEnabled = true;
preArrowImage.AddGestureRecognizer(singleTap)

bool TapGesture_ShouldReceiveTouch(UIGestureRecognizer recognizer, UITouch touch)
{
    return true;
}

void TapDetected(UITapGestureRecognizer tapGestureRecognizer)
{
    print("Imageview Clicked")
}

Dye

Answer 7

If your UIImageView is an IBOutlet which you get from a Storyboard or Nib, you could add a UIGestureRecognizer to the image view, enable user interaction and connect a IBAction to the gesture recognizer.

For more info check my answer on this question: How to you make a UIImageView on the storyboard clickable (swift)

Imbed

Answer 8

Here's another option: Cheat.

I mean, think laterally.

Set up your UIImage how you want, cropped, aspect fit, whatever.

Overlay this with a UIView (equal dimensions, position etc.)

Set the background to clearcolour, and the class to UIControl.

Point the touch up inside event to your handler, and voila.

Araminta

Even easier than an UIView: Use a button and delete the text. ;) – Dorris