Created
January 26, 2016 18:04
-
-
Save erica/4fa60524d9b71bfa9819 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import UIKit | |
import XCPlayground | |
class ViewController: UIViewController { | |
func action() { print("Bing!") } | |
override func viewDidLoad() { | |
super.viewDidLoad() | |
view.backgroundColor = .whiteColor() | |
let mySwitch : UISwitch = { | |
view.addSubview($0) | |
CenterViewInSuperview($0, | |
horizontal: true, vertical: true) | |
$0.addTarget(self, action: "action", | |
forControlEvents: .TouchUpInside) | |
return $0 | |
}(UISwitch()) | |
let _ : UILabel = { | |
view.addSubview($0) | |
CenterViewInSuperview($0, | |
horizontal: true, vertical: false) | |
$0.text = "Toggle me" | |
$0.font = UIFont.boldSystemFontOfSize(36) | |
ConstrainViews("V:[view1]-30-[view2]", | |
views: $0, mySwitch) | |
return $0 | |
}(UILabel()) | |
} | |
} | |
ViewController() | |
XCPlaygroundPage.currentPage.liveView = ViewController() | |
XCPlaygroundPage.currentPage.needsIndefiniteExecution = true |
you can use this tiny library for CenterViewInSuperview
:
https://gist.github.com/erica/a0f4ee23e9ee5dc1b489
然而,用这种方式在XCode10.2.1上无法使用代码提示。
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
unfortunately CenterViewInSuperview is missing -> Use of unresolved identifier "CenterViewInSuperview"