Merge pull request #410 from Iterable/bug/mob-2223-system-bgcolor

[MOB-2223] - Require iOS version 14 for `systemBackgroundColor`

Author: tapashmajumder

swift-sdk/Internal/InAppDisplayer.swift

@@ -66,7 +66,7 @@ class InAppDisplayer: InAppDisplayerProtocol {
 
         // htmlMessageVC.view triggers WKWebView's loadView() to start loading the HTML.
         // just make sure that's triggered for the InAppPresenter work correctly
-        if #available(iOS 13, *) {
+        if #available(iOS 14, *) {
             htmlMessageVC.view.backgroundColor = UIColor.systemBackground.withAlphaComponent(0.0)
         } else {
             htmlMessageVC.view.backgroundColor = UIColor.white.withAlphaComponent(0.0)

swift-sdk/Internal/IterableHtmlMessageViewController.swift

@@ -88,7 +88,7 @@ class IterableHtmlMessageViewController: UIViewController {
         if parameters.isModal {
             view.backgroundColor = UIColor.clear
         } else {
-            if #available(iOS 13, *) {
+            if #available(iOS 14, *) {
                 view.backgroundColor = UIColor.systemBackground
             } else {
                 view.backgroundColor = UIColor.white

swift-sdk/IterableMessaging.swift

@@ -107,7 +107,7 @@ public extension Notification.Name {
     }
 
     static func defaultBackgroundColor() -> UIColor {
-        if #available(iOS 13, *) {
+        if #available(iOS 14, *) {
             return UIColor.systemBackground.withAlphaComponent(0.0)
         } else {
             return UIColor.white.withAlphaComponent(0.0)