SBAutoLayout
SBAutoLayout is an extension for UIView that makes it easy to perform common auto layout operations in Swift without having to write verbose auto layout syntax.
A few examples
Pin to superview center with height and width:
view.pinWidth(100)
view.pinHeight(100)
view.pinToSuperviewCenter()
Some views can be positioned with only one line of code:
view.pinToSuperviewAsTopStrip(height: 50)
All methods return generated constraints. Handy for if you need to remove or change them later.
let topConstraint = view.pinToSuperviewTop(margin: 60)
view.pinToSuperviewBottom(margin: 40)
view.pinToSuperviewLeading(margin: 15)
view.pinToSuperviewTrailing(margin: 15)
// ...Later
topConstraint.constant = 30
Multiple views? Sure.
blueView.pinToSuperviewCenter()
blueView.pinHeight(100)
blueView.pinAspectRatio(width: 1, height: 1)
orangeView.pinToSuperviewCenterX()
orangeView.pinHeight(80)
orangeView.pinAspectRatio(width: 1, height: 1)
orangeView.pinAboveView(blueView, separation: 10)
Full method list
Pin width / height
func pinWidth(_ width: CGFloat, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
func pinHeight(_ height: CGFloat, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
func pinAspectRatio(width: CGFloat, height: CGFloat, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
Pin to superview edges
func pinToSuperviewEdges(priority: UILayoutPriority? = nil) -> [NSLayoutConstraint]
func pinToSuperviewEdges(top: CGFloat, bottom: CGFloat, leading: CGFloat, trailing: CGFloat, priority: UILayoutPriority? = nil) -> [NSLayoutConstraint]
func pinToSuperviewEdges(insets: UIEdgeInsets, priority: UILayoutPriority? = nil) -> [NSLayoutConstraint]
func pinToSuperviewTop(margin: CGFloat, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
func pinToSuperviewBottom(margin: CGFloat, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
func pinToSuperviewLeft(margin: CGFloat, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
func pinToSuperviewRight(margin: CGFloat, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
func pinToSuperviewLeading(margin: CGFloat, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
func pinToSuperviewTrailing(margin: CGFloat, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
Pin to superview as strip
func pinToSuperviewAsTopStrip(height: CGFloat, priority: UILayoutPriority? = nil) -> [NSLayoutConstraint]
func pinToSuperviewAsBottomStrip(height: CGFloat, priority: UILayoutPriority? = nil) -> [NSLayoutConstraint]
func pinToSuperviewAsLeftStrip(width: CGFloat, priority: UILayoutPriority? = nil) -> [NSLayoutConstraint]
func pinToSuperviewAsRightStrip(width: CGFloat, priority: UILayoutPriority? = nil) -> [NSLayoutConstraint]
func pinToSuperviewAsLeadingStrip(width: CGFloat, priority: UILayoutPriority? = nil) -> [NSLayoutConstraint]
func pinToSuperviewAsTrailingStrip(width: CGFloat, priority: UILayoutPriority? = nil) -> [NSLayoutConstraint]
Pin to superview center
func pinToSuperviewCenterX(offset: CGFloat = 0, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
func pinToSuperviewCenterY(offset: CGFloat = 0, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
func pinToSuperviewCenter(priority: UILayoutPriority? = nil) -> [NSLayoutConstraint] // MARK:- Pin to other views
Pin above / below other views
func pinAboveView(_ otherView: UIView, separation: CGFloat = 0, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
func pinBelowView(_ otherView: UIView, separation: CGFloat = 0, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
Pin to left / right / leading / trailing other views
func pinToLeftOfView(_ otherView: UIView, separation: CGFloat = 0, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
func pinToRightOfView(_ otherView: UIView, separation: CGFloat = 0, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
func pinTrailingFromView(_ otherView: UIView, separation: CGFloat = 0, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
func pinLeadingToView(_ otherView: UIView, separation: CGFloat = 0, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
Match width / height of other views
func pinWidthToSameAsView(_ otherView: UIView, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
func pinHeightToSameAsView(_ otherView: UIView, priority: UILayoutPriority? = nil) -> NSLayoutConstraint
Installation
CocoaPods
Add the following line to your Podfile:
pod "SBAutoLayout"Carthage
Add the following line to your Cartfile:
github "SteveBarnegren/SBAutolayout"
Manual
Copy SBAutoLayout.swift in to your project
Carthage
Add github "SteveBarnegren/SBAutoLayout to your Cartfile
Who?
License
SBAutoLayout is available under the MIT license. See the LICENSE file for more info.