SketchKit is a lightweight, powerful and pure-Swift auto layout library, you can set up your constraints with a simple and intuitive code without any stringly typing.
In short, it allows you to replace this:
newView.translatesAutoresizingMaskIntoConstraints = false
addConstraint(NSLayoutConstraint(
item: newView,
attribute: NSLayoutConstraint.Attribute.centerX,
relatedBy: NSLayoutConstraint.Relation.equal,
toItem: view,
attribute: NSLayoutConstraint.Attribute.centerX,
multiplier: 1,
constant: 0))or
newView.centerXAnchor.constraint(equalTo: view.centerXAnchor).isActive = truewith this
// It's NOT necessary: newView.translatesAutoresizingMaskIntoConstraints = false
newView.layout.applyConstraint { view in
view.centerXAnchor(equalTo: self.view.centerXAnchor)
view.centerYAnchor(equalTo: self.view.centerYAnchor)
}- iOS 10.0+ / tvOS 10.0+
- Swift 3.2+
To integrate SketchKit into your Xcode project using CocoaPods, specify it in your Podfile:
target '<Your Target Name>' do
pod 'SketchKit'
endThen, run the following command:
$ pod installTo add SketchKit as a dependency, you have to add it to the dependencies of your Package.swift file and refer to that dependency in your target.
import PackageDescription
let package = Package(
name: "<Your Product Name>",
dependencies: [
.package(url: "https://github.com/dogo/SketchKit", .upToNextMajor(from: "1.0.0"))
],
targets: [
.target(
name: "<Your Target Name>",
dependencies: ["SketchKit"]),
]
)After adding the dependency, you can fetch the library with:
$ swift package resolvegithub "dogo/SketchKit"
import SketchKit
final class MyViewController: UIViewController {
let myView: UIView = {
let view = UIView(frame: .zero)
view.color = .red
return view
}()
override func viewDidLoad() {
super.viewDidLoad()
self.view.addSubview(myView)
myView.layout.applyConstraint { view in
view.topAnchor(equalTo: self.view.topAnchor)
view.leadingAnchor(equalTo: self.view.leadingAnchor)
view.bottomAnchor(equalTo: self.view.bottomAnchor)
view.trailingAnchor(equalTo: self.view.trailingAnchor)
}
}
}SketchKit is released under the MIT license. See LICENSE for details.
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