How to debug who is eating my touches in UIKit?

Question

I can\'t figure out why tapping on text fields and buttons in my view is not working. I\'ve checked all the obvious things like whether userInteractionEnabled is set to YES, whe

Answer 1

My full Swift Example following @Bryan Chen and @kelin Answer ...

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
    var window: UIWindow? = TestWindow()
    // ....
}

...

class TestWindow:UIWindow {
    override func sendEvent(_ event: UIEvent) {

        print(event)

        // timestamp: 366545 touches: {(
        //     phase: Ended tap count: 1 force: 0.000 
        //window: ; 
        //layer = > view: ; layer = > location in 
        //window: {165, 358.33332824707031} previous location in window: 
        //{144.33332824707031, 358.66665649414062} location in view: {165, 
        //44.999992370605469} previous location in view: {144.33332824707031, 
        //45.333320617675781}
        //    )}

        super.sendEvent(event)
    }
}