EXTENSION

UIView

public extension UIView

Properties

centerHorizontally

var centerHorizontally: DHDHStack

Put this view in a UIHStack with a spacer before and after

declaredWithRedLines

var declaredWithRedLines: UIView

Add a border, corner radius, and light background color to inspect a view

inspect

var inspect: UIView

Add a border, corner radius, and light background color to debug a view

cornerRadius

var cornerRadius: CGFloat

Access the layer’s corner radius with this helper, also properely set masksToBounds

Methods

addDivider(at:color:weight:insets:)

@discardableResult func addDivider(at position: DHDDividerPosition, color: UIColor, weight: CGFloat = 1.0 / UIScreen.main.scale, insets: UIEdgeInsets = .zero) -> UIView

Create a horizontal line at the specified position, color, weight, using the insets

• Returns: a UIView as the divider

background(color:)

@discardableResult func background(color: UIColor?) -> Self

Set the background color of this view

• Parameter color: optional UIColor
• Returns: this view

Parameters

Name	Description
color	optional UIColor

identified(_:)

@objc @discardableResult func identified(_ value: String) -> Self

Set the .accessibilityIdentifier of this view

• Parameter value: the String value to set
• Returns: this view

Parameters

Name	Description
value	the String value to set

margin(horizontal:vertical:)

@discardableResult func margin(horizontal: CGFloat, vertical: CGFloat) -> Self

Set the margin of this view

• Parameters:
  • horizontal: the CGFloat of the width
  • vertical: the CGFloat of the height
• Returns: this view

Parameters

Name	Description
horizontal	the CGFloat of the width
vertical	the CGFloat of the height

margin(top:right:bottom:left:)

@discardableResult func margin(top: CGFloat, right: CGFloat, bottom: CGFloat, left: CGFloat) -> Self

Set the margin of each side of this view

• Parameters:
  • top: the CGFloat of the top
  • right: the CGFloat of the right
  • bottom: the CGFloat of the bottom
  • left: the CGFloat of the left
• Returns: this view

Parameters

Name	Description
top	the CGFloat of the top
right	the CGFloat of the right
bottom	the CGFloat of the bottom
left	the CGFloat of the left

center(to:heightLessThanOrEqualToConstant:widthLessThanOrEqualToConstant:)

func center(to: UIView, heightLessThanOrEqualToConstant: CGFloat, widthLessThanOrEqualToConstant: CGFloat)

Put this view in the center of a containing view

• Parameters:
  • to: the containing view, make sure this view is a subview
  • heightLessThanOrEqualToConstant: .
  • widthLessThanOrEqualToConstant: .

Parameters

Name	Description
to	the containing view, make sure this view is a subview
heightLessThanOrEqualToConstant	.
widthLessThanOrEqualToConstant	.

pin(to:withVerticalPadding:withHorizontalPadding:)

func pin(to superView: UIView, withVerticalPadding: CGFloat = 0, withHorizontalPadding: CGFloat = 0)

Use constraints to pin this to a superview

• Parameters:
  • superView: .
  • withVerticalPadding: .
  • withHorizontalPadding: .

Parameters

Name	Description
superView	.
withVerticalPadding	.
withHorizontalPadding	.

rounded(by:)

@discardableResult func rounded(by radius: CGFloat) -> Self

Set the corner radius of this view

• Parameter radius: how much to round the corner
• Returns: this view

Parameters

Name	Description
radius	how much to round the corner

tagged(_:)

@discardableResult func tagged(_ tag: Int) -> Self

Set the tag of this view

• Parameter tag: an Int of a tag
• Returns: this view

Parameters

Name	Description
tag	an Int of a tag

toPreview()

func toPreview() -> some View

Example usage:

// MARK: - Preview
import SwiftUI
struct UIViewPreview: PreviewProvider {
   static var previews: some View {
       UIView().toPreview()
   }
}