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@@ -11,87 +11,87 @@ import UIKit
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class SimpleLayoutViewController: UIViewController {
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var didSetupConstraints = false
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-
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+
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let blackView: UIView = {
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let view = UIView()
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view.backgroundColor = .blackColor()
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return view
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}()
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-
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+
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let redView: UIView = {
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let view = UIView()
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view.backgroundColor = .redColor()
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return view
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}()
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-
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+
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let yellowView: UIView = {
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let view = UIView()
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view.backgroundColor = .yellowColor()
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return view
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}()
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-
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+
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let blueView: UIView = {
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let view = UIView()
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view.backgroundColor = .blueColor()
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return view
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}()
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-
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+
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let greenView: UIView = {
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let view = UIView()
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view.backgroundColor = .greenColor()
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return view
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}()
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-
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+
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override func viewDidLoad() {
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super.viewDidLoad()
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-
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+
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view.backgroundColor = UIColor.whiteColor()
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-
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+
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view.addSubview(blackView)
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view.addSubview(redView)
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view.addSubview(yellowView)
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view.addSubview(blueView)
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view.addSubview(greenView)
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-
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+
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view.setNeedsUpdateConstraints()
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}
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override func updateViewConstraints() {
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-
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+
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if (!didSetupConstraints) {
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-
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- blackView.snp_makeConstraints(closure: { (make) -> Void in
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+
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+ blackView.snp_makeConstraints { make in
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make.center.equalTo(view)
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make.size.equalTo(CGSizeMake(100.0, 100.0))
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- })
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-
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- redView.snp_makeConstraints(closure: { (make) -> Void in
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+ }
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+
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+ redView.snp_makeConstraints { make in
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make.top.equalTo(blackView.snp_bottom).offset(20.0)
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make.left.equalTo(20.0)
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make.size.equalTo(CGSizeMake(100.0, 100.0))
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- })
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-
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- yellowView.snp_makeConstraints(closure: { (make) -> Void in
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+ }
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+
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+ yellowView.snp_makeConstraints { make in
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make.top.equalTo(blackView.snp_bottom).offset(20.0)
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make.left.equalTo(blackView.snp_right).offset(20.0)
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make.size.equalTo(CGSizeMake(100.0, 100.0))
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- })
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-
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- blueView.snp_makeConstraints(closure: { (make) -> Void in
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+ }
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+
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+ blueView.snp_makeConstraints { make in
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make.bottom.equalTo(blackView.snp_top).offset(-20.0)
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make.left.equalTo(blackView.snp_right).offset(20.0)
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make.size.equalTo(CGSizeMake(100.0, 100.0))
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- })
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-
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- greenView.snp_makeConstraints(closure: { (make) -> Void in
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+ }
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+
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+ greenView.snp_makeConstraints { make in
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make.bottom.equalTo(blackView.snp_top).offset(-20.0)
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make.right.equalTo(blackView.snp_left).offset(-20.0)
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make.size.equalTo(CGSizeMake(100.0, 100.0))
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- })
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-
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+ }
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+
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didSetupConstraints = true
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}
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-
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+
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super.updateViewConstraints()
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}
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