development: fixed issue-613

Material.podspec

 Pod::Spec.new do |s|
   s.name = 'Material'
-  s.version = '2.3.19'
+  s.version = '2.3.20'
   s.license = 'BSD-3-Clause'
   s.summary = 'Material is an animation and graphics framework that is used to create beautiful applications.'
   s.homepage = 'http://materialswift.com'

Sources/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.3.19</string>
+	<string>2.3.20</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>

Sources/iOS/Grid.swift

@@ -204,6 +204,8 @@ public struct Grid {
             }
         }
         
+        canvas.layoutIfNeeded()
+        
         guard 0 < canvas.width && 0 < canvas.height else {
             return
         }

Sources/iOS/Material+CALayer.swift

@@ -309,10 +309,6 @@ extension CALayer {
     
     /// Manages the layout for the shape of the view instance.
     open func layoutShape() {
-        guard 0 < width, 0 < height else {
-            return
-        }
-        
         if .none != shapePreset {
             if width < height {
                 frame.size.width = height

Sources/iOS/NavigationDrawerController.swift

@@ -425,7 +425,8 @@ open class NavigationDrawerController: RootController {
     }
     
 	/// Layout subviews.
-	open override func layoutSubviews() {		
+	open override func layoutSubviews() {
+        super.layoutSubviews()
 		toggleStatusBar()
         
         if let v = leftView {

Sources/iOS/RootController.swift

@@ -31,26 +31,6 @@
 import UIKit
 
 open class RootController: UIViewController {
-	/// Device status bar style.
-	open var statusBarStyle: UIStatusBarStyle {
-		get {
-			return Application.statusBarStyle
-		}
-		set(value) {
-			Application.statusBarStyle = value
-		}
-	}
-    
-    /// Device visibility state.
-    open var isStatusBarHidden: Bool {
-        get {
-            return Application.isStatusBarHidden
-        }
-        set(value) {
-            Application.isStatusBarHidden = value
-        }
-    }
-	
 	/**
      A Boolean property used to enable and disable interactivity
      with the rootViewController.

Sources/iOS/StatusBarController.swift

@@ -49,18 +49,33 @@ extension UIViewController {
 }
 
 open class StatusBarController: RootController {
-	/// A reference to the statusBar.
-    open let statusBar = UIView()
-	
-    /// A boolean that indicates to hide the statusBar on rotation.
-    open var shouldHideStatusBarOnRotation = true
+    /// Device status bar style.
+    open var statusBarStyle: UIStatusBarStyle {
+        get {
+            return Application.statusBarStyle
+        }
+        set(value) {
+            Application.statusBarStyle = value
+        }
+    }
     
-    open override var isStatusBarHidden: Bool {
-        didSet {
+    /// Device visibility state.
+    open var isStatusBarHidden: Bool {
+        get {
+            return Application.isStatusBarHidden
+        }
+        set(value) {
+            Application.isStatusBarHidden = value
             statusBar.isHidden = isStatusBarHidden
         }
     }
     
+    /// A boolean that indicates to hide the statusBar on rotation.
+    open var shouldHideStatusBarOnRotation = true
+    
+    /// A reference to the statusBar.
+    open let statusBar = UIView()
+	
 	/**
      To execute in the order of the layout chain, override this
      method. LayoutSubviews should be called immediately, unless you