updated for latest changes to Motion's iPhone X update

Material.xcodeproj/xcshareddata/xcschemes/Material.xcscheme

 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0920"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Motion @ f85a6744

-Subproject commit 7128c6dec22076cc6e422ecddbc8d8b6a73988c0
+Subproject commit f85a6744caf408f9a104e0363038dccf0d8ed3f6

Sources/iOS/Layout.swift

@@ -635,8 +635,8 @@ fileprivate extension Layout {
      - Parameter for view: A UIView.
      */
     class func updateConstraints(for view: UIView) {
+        view.setNeedsUpdateConstraints()
         view.updateConstraintsIfNeeded()
-        view.updateConstraints()
         view.setNeedsLayout()
         view.layoutIfNeeded()
     }

Sources/iOS/NavigationController.swift

@@ -29,6 +29,7 @@
  */
 
 import UIKit
+import Motion
 
 extension NavigationController {
     /// Device status bar style.
@@ -137,7 +138,7 @@ open class NavigationController: UINavigationController {
     /// Calls the layout functions for the view heirarchy.
     open func layoutSubviews() {
         navigationBar.setNeedsUpdateConstraints()
-        navigationBar.updateConstraints()
+        navigationBar.updateConstraintsIfNeeded()
         navigationBar.setNeedsLayout()
         navigationBar.layoutIfNeeded()
     }
@@ -180,10 +181,12 @@ extension NavigationController: UINavigationBarDelegate {
         
         item.backButton.removeTarget(self, action: #selector(handle(backButton:)), for: .touchUpInside)
     }
-    
+}
+
+internal extension NavigationController {
     /// Handler for the backbutton.
     @objc
-    internal func handle(backButton: UIButton) {
+    func handle(backButton: UIButton) {
         popViewController(animated: true)
     }
 }

Sources/iOS/TabsController.swift

@@ -216,12 +216,12 @@ fileprivate extension TabsController {
             delegate?.tabsController?(tabsController: self, willSelect: viewController)
         }
 
-        super.transition(to: viewController) { [weak self, viewController = viewController, completion = completion] (isFinished) in
+        super.transition(to: viewController) { [weak self, viewController = viewController, completion = completion] (isFinishing) in
             guard let s = self else {
                 return
             }
             
-            completion?(isFinished)
+            completion?(isFinishing)
 
             if isTriggeredByUserInteraction {
                 s.delegate?.tabsController?(tabsController: s, didSelect: viewController)
@@ -331,8 +331,8 @@ extension TabsController {
 
             s.tabBar.select(at: index)
 
-            s.transition(to: s.viewControllers[index], isTriggeredByUserInteraction: false) { [weak self] (isFinished) in
-                guard isFinished else {
+            s.transition(to: s.viewControllers[index], isTriggeredByUserInteraction: false) { [weak self] (isFinishing) in
+                guard isFinishing else {
                     return
                 }
 
@@ -361,8 +361,8 @@ extension TabsController: TabBarDelegate, _TabBarDelegate {
             return
         }
 
-        transition(to: viewControllers[i], isTriggeredByUserInteraction: true) { [weak self] (isFinished) in
-            guard isFinished else {
+        transition(to: viewControllers[i], isTriggeredByUserInteraction: true) { [weak self] (isFinishing) in
+            guard isFinishing else {
                 return
             }
 

Sources/iOS/TransitionController.swift

@@ -159,14 +159,14 @@ open class TransitionController: UIViewController {
         }
         
         view.isUserInteractionEnabled = false
-        Motion.shared.transition(from: rootViewController, to: viewController, in: container) { [weak self, viewController = viewController, completion = completion] (isFinished) in
+        Motion.shared.transition(from: rootViewController, to: viewController, in: container) { [weak self, viewController = viewController, completion = completion] (isFinishing) in
             guard let s = self else {
                 return
             }
             
             s.rootViewController = viewController
             s.view.isUserInteractionEnabled = true
-            completion?(isFinished)
+            completion?(isFinishing)
         }
     }