Fix some bugs

Author: Владислав Прусаков

Example/Podfile

@@ -1,12 +1,6 @@
 use_frameworks!
-platform :ios, '13.0'
+platform :ios, '13.4'
 
 target 'SideTabBar_Example' do
   pod 'SideTabBar', :path => '../'
-
-  target 'SideTabBar_Tests' do
-    inherit! :search_paths
-
-    
-  end
 end

Example/Podfile.lock

@@ -11,6 +11,6 @@ EXTERNAL SOURCES:
 SPEC CHECKSUMS:
   SideTabBar: 5120d7bf8515597f1b9f6e08ee49353048247912
 
-PODFILE CHECKSUM: 559e4019944bcd0795952bde172885d27b5bded8
+PODFILE CHECKSUM: 6befa2acf2ed279e0be7031241fd30398677dd8e
 
-COCOAPODS: 1.7.5
+COCOAPODS: 1.8.4

Example/Pods/Manifest.lock

@@ -321,7 +321,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.4;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -370,7 +370,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.4;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
@@ -388,7 +388,7 @@
 				DERIVE_MACCATALYST_PRODUCT_BUNDLE_IDENTIFIER = YES;
 				DEVELOPMENT_TEAM = 8PYCRS3EA3;
 				INFOPLIST_FILE = SideTabBar/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.4;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				MODULE_NAME = ExampleApp;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
@@ -410,7 +410,7 @@
 				DERIVE_MACCATALYST_PRODUCT_BUNDLE_IDENTIFIER = YES;
 				DEVELOPMENT_TEAM = 8PYCRS3EA3;
 				INFOPLIST_FILE = SideTabBar/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 13.4;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				MODULE_NAME = ExampleApp;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";

Example/Pods/Pods.xcodeproj/project.pbxproj

@@ -28,7 +28,7 @@ public extension UIBlurEffect {
     }
 
     static func makeBlurThroughEffect(style: ThroughStyle) -> UIVisualEffect? {
-        return (NSClassFromString("_UIBlurThroughEffect") as? UIVisualEffect.Type)?.perform(Selector("_blurThroughWithStyle:"), with: style.rawValue)?.takeRetainedValue() as? UIVisualEffect
+        return (NSClassFromString("_UIBlurThroughEffect") as? UIVisualEffect.Type)?.perform(NSSelectorFromString("_blurThroughWithStyle:"), with: style.rawValue)?.takeRetainedValue() as? UIVisualEffect
     }
 }
 
@@ -46,8 +46,8 @@ extension UIViewController {
 
     func removeFromParentViewController() {
         self.willMove(toParent: nil)
-        self.removeFromParent()
         self.view.removeFromSuperview()
+        self.removeFromParent()
     }
 
     /// Adds a child view controller pinning it view to edges of viewContainer

Example/Pods/Target Support Files/Pods-SideTabBar_Example/Pods-SideTabBar_Example.debug.xcconfig

@@ -76,7 +76,7 @@ open class SideTabBar: UIView {
     private weak var stackView: UIStackView!
     private weak var visualEffectView: UIVisualEffectView!
 
-    var visualEffect: UIVisualEffect = UIBlurEffect(style: .systemChromeMaterial) {
+    var visualEffect: UIVisualEffect? = UIBlurEffect(style: .systemChromeMaterial) {
         didSet {
             self.visualEffectView?.effect = self.visualEffect
         }
@@ -86,8 +86,6 @@ open class SideTabBar: UIView {
     private var bottomItemsStackView: UIStackView!
     private var verticalSeparatorView: UIView!
 
-    var canDeselect = true
-    
     private var _topItems: [UITabBarItem]?
     private var _bottomItems: [UITabBarItem]?
 
@@ -218,9 +216,7 @@ open class SideTabBar: UIView {
         self.delegate?.tabBar(self, didSelect: tabBarItem)
 
         if selectedButton === button {
-            if canDeselect {
-                self.selectedItem = nil
-            }
+            self.selectedItem = nil
         } else {
             self.selectedItem = button.tabBarItem
         }

Example/Pods/Target Support Files/Pods-SideTabBar_Example/Pods-SideTabBar_Example.release.xcconfig

@@ -136,13 +136,20 @@ open class SideTabBarController: UIViewController {
     }
 
     /// A visual effect what used by default for tab bar and primary view.
-    open var backgroundVisualEffect: UIVisualEffect = UIBlurEffect(style: .systemChromeMaterial) {
+    open var backgroundVisualEffect: UIVisualEffect? = UIBlurEffect(style: .systemChromeMaterial) {
         didSet {
             self.primaryContainerView?.effect = self.backgroundVisualEffect
             self.tabBar?.visualEffect = self.backgroundVisualEffect
         }
     }
 
+    /// A background color used for primary view
+    open var primaryBackgroundColor: UIColor? {
+        didSet {
+            self.primaryContainerView?.backgroundColor = self.primaryBackgroundColor
+        }
+    }
+    
     /// A color what used for dimming content view when primary display as overlay.
     open var overlayDimmingColor: UIColor = UIColor(white: 0, alpha: 0.3) {
         didSet {
@@ -316,7 +323,6 @@ open class SideTabBarController: UIViewController {
             self.additionalSafeAreaInsets.left = 0
             self.primaryRightConstraint.isActive = false
             self.setTabBarVisible(false, animated: false)
-            self.tabBar.canDeselect = true
             self.primaryWidthConstraint.constant = Constants.detailHiddenWidth
         } else {
             self.setTabBarVisible(true, animated: false)
@@ -326,10 +332,8 @@ open class SideTabBarController: UIViewController {
 
             switch displayMode {
             case .allVisible:
-                self.tabBar.canDeselect = false
                 self.primaryRightConstraint.isActive = true
             case .primaryHidden, .primaryOverlay, .primaryModal:
-                self.tabBar.canDeselect = true
                 self.primaryRightConstraint.isActive = false
             }
 
@@ -488,11 +492,13 @@ open class SideTabBarController: UIViewController {
 
             animator.addAnimations {
                 self.overlayView.dismiss()
+                self.selectedViewController?.view.alpha = 0
                 self.view.layoutIfNeeded()
             }
 
             animator.addCompletion { position in
                 if position == .end {
+                    self.selectedViewController?.view.alpha = 1
                     self.selectedViewController?.removeFromParentViewController()
                     self.selectedViewController = nil
                     self.displayMode = .primaryHidden
@@ -521,7 +527,6 @@ open class SideTabBarController: UIViewController {
 
             switch displayMode {
             case .allVisible:
-                self.tabBar.canDeselect = false
                 self.primaryRightConstraint.isActive = true
                 self.selectedViewController?.removeFromParentViewController()
                 self.addChildViewController(viewController, viewContainer: self.primaryContainerView.contentView)
@@ -535,7 +540,6 @@ open class SideTabBarController: UIViewController {
                 self.displayMode = .allVisible
                 self.primaryWidthConstraint.constant = self.primaryWidth
             case .primaryModal, .primaryOverlay, .primaryHidden:
-                self.tabBar.canDeselect = true
                 self.selectedViewController?.removeFromParentViewController()
                 self.addChildViewController(viewController, viewContainer: self.primaryContainerView.contentView)
                 self.view.layoutIfNeeded()