samples-issue-78: Fixed iPhoneX bottomLayoutGuide constraints not properly being set.

CHANGELOG.md

+## 2.12.10
+
+* [samples-issue-78](https://github.com/CosmicMind/Samples/issues/78): Fixed iPhoneX bottomLayoutGuide constraints not properly being set.
+
 ## 2.12.9
 
 * Fixed breaking change to loading the TabsController.

Material.podspec

 Pod::Spec.new do |s|
 	s.name = 'Material'
-	s.version = '2.12.9'
+	s.version = '2.12.10'
 	s.license = 'BSD-3-Clause'
 	s.summary = 'A UI/UX framework for creating beautiful applications.'
 	s.homepage = 'http://materialswift.com'

Sources/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.12.9</string>
+	<string>2.12.10</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>

Sources/iOS/TabsController.swift

@@ -290,6 +290,18 @@ fileprivate extension TabsController {
 
     /// Layout the tabBar.
     func layoutTabBar() {
+        if #available(iOS 11, *) {
+            if .bottom == tabBarAlignment {
+                let v = bottomLayoutGuide.length
+                
+                if 0 < v {
+                    tabBar.heightPreset = { tabBar.heightPreset }()
+                    tabBar.frame.size.height += v
+                    tabBar.grid.layoutEdgeInsets.bottom = v
+                }
+            }
+        }
+        
         tabBar.frame.origin.x = 0
         tabBar.frame.origin.y = .top == tabBarAlignment ? 0 : view.bounds.height - tabBar.bounds.height
         tabBar.frame.size.width = view.bounds.width