fix(iOS): Opening alert/confirm on top most of modal dialogs (#7982)

slolam · manoldonev · commit 60ac4e7a05c9 · 2019-11-19T16:36:08.000+02:00
This is fix for the issue #6939 where alert() and confirm() does not work in a modal dialog if it's opened on top of an existing modal dialog.
diff --git a/nativescript-core/ui/dialogs/dialogs.ios.ts b/nativescript-core/ui/dialogs/dialogs.ios.ts
@@ -205,6 +205,11 @@ function showUIAlertController(alertController: UIAlertController) {
     if (currentView) {
         currentView = currentView.modal || currentView;
 
+        //get to the top most view controller on the stack
+        while (currentView && currentView.modal) {
+            currentView = currentView.modal;
+        }
+        
         let viewController: UIViewController = currentView.ios;
 
         if (viewController.presentedViewController) {
