CODEWITHSUNDEEP
iphoneiosuiimageviewuitouchuitapgesturerecognizer
Sumit Patel
Sumit Patel

Reputation: 2587

Click Event on UIImageView programmatically in ios

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.

Upvotes: 104

Views: 96655

Answers (8)

Vivek Sehrawat
Vivek Sehrawat

Reputation: 6570

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");
  }

Upvotes: 261

anon
anon

Reputation:

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")
}

Upvotes: 1

Mohamed Jaleel Nazir
Mohamed Jaleel Nazir

Reputation: 5821

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!)
            }
        }
    }

Upvotes: 4

Raki
Raki

Reputation: 1

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.

Upvotes: 0

xxtesaxx
xxtesaxx

Reputation: 6419

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)

Upvotes: 0

Sakiboy
Sakiboy

Reputation: 7459

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")
}

Upvotes: 6

Subhash
Subhash

Reputation: 585

Using story board with view in view controller.
view may be ImageView, UIView, UILabel, TextField or other 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.

Gesture icon in document out line and xib
Drag gesture to UILable
Drag gesture to UILable


Manually create (IBAction)method in header file


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

Upvotes: 3

IronManGill
IronManGill

Reputation: 7226

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];

Upvotes: 18

Related Questions