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Xcode – In the main.storyboard the rounded button aren't load

I have add the class RoundButton in Swift with the following code:

//
//  RoundButton.swift
//

import UIKit

@IBDesignable
class RoundButton: UIButton {

    @IBInspectable var roundButton : Bool = false {
        didSet {
            if roundButton == true {
                layer.cornerRadius = frame.height / 2
            }
        }
    }

    override func prepareForInterfaceBuilder() {
        if roundButton == true {
            layer.cornerRadius = frame.height / 2
        }
    }

}

Then I have activate the design in the button properties. In the main.storyboard the buttons are square, but in the build the buttons are round. And it comes this error:

file:///Users/anonymoushuman/Documents/Apps/Taschenrechner/Taschenrechner/Base.lproj/Main.storyboard: error: IB Designables: Failed to render and update auto layout status for ViewController (BYZ-38-t0r): The bundle “Taschenrechner.app” couldn’t be loaded because its executable couldn’t be located.

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2

Answers


  1. 0

    Your code works normally.
    I also have the same version [Xcode 12.5.1].

    enter image description here
    enter image description here

    I searched for the errors you experienced, and I think it would be good to refer to the links.

    I don’t know what caused the error, but let me suggest another way.
    This code can also achieve the same results you want to achieve.

    import UIKit

extension UIButton {
    
    func makeCircle() {
       self.layer.masksToBounds = true
       self.layer.cornerRadius = self.frame.width / 2
    }
 }

    result

    enter image description here

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  2. 0

    This is the extension I wrote. If you want to make a circle, not an ellipse, you can write button.makeRounded(nil). The caution here is that when you make a circle, the vertical and horizontal heights must be equal and the values must be specified.

    extension UIButton {
    
    func makeRounded(cornerRadius : CGFloat?) {
        
        if let cornerRadius_ = cornerRadius {
            self.layer.cornerRadius = cornerRadius_
        }  else {
            self.layer.cornerRadius = self.layer.frame.height / 2
        }
        
        self.layer.masksToBounds = true
    }
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