From 57784d3354a1c2a847b548fbb3d1f3f5a43b0f1a Mon Sep 17 00:00:00 2001
From: adam1929 <103995671+adam1929@users.noreply.github.com>
Date: Mon, 18 Dec 2023 16:01:06 +0100
Subject: [PATCH] Shows alert for opened push only if could - example app

---
 ExponeaSDK/Example/AppDelegate.swift | 32 +++++++++++++++++-----------
 1 file changed, 19 insertions(+), 13 deletions(-)

diff --git a/ExponeaSDK/Example/AppDelegate.swift b/ExponeaSDK/Example/AppDelegate.swift
index c0f37e85..5109f530 100644
--- a/ExponeaSDK/Example/AppDelegate.swift
+++ b/ExponeaSDK/Example/AppDelegate.swift
@@ -90,21 +90,27 @@ class AppDelegate: ExponeaAppDelegate {
 
 extension AppDelegate {
     func showAlert(_ title: String, _ message: String?) {
-        let alert = UIAlertController(title: title, message: message ?? "no body", preferredStyle: .alert)
-        alert.addAction(
-            UIAlertAction(
-                title: "Ok",
-                style: .default,
-                handler: { [weak self] _ in self?.alertWindow?.isHidden = true }
+        DispatchQueue.main.sync { [weak self] in
+            guard let self else {
+                Exponea.logger.log(.warning, message: "Alert not shown because of lost frame")
+                return
+            }
+            let alert = UIAlertController(title: title, message: message ?? "no body", preferredStyle: .alert)
+            alert.addAction(
+                UIAlertAction(
+                    title: "Ok",
+                    style: .default,
+                    handler: { [weak self] _ in self?.alertWindow?.isHidden = true }
+                )
             )
-        )
-        if alertWindow == nil {
-            alertWindow = UIWindow(frame: UIScreen.main.bounds)
-            alertWindow?.rootViewController = UIViewController()
-            alertWindow?.windowLevel = .alert + 1
+            if alertWindow == nil {
+                alertWindow = UIWindow(frame: UIScreen.main.bounds)
+                alertWindow?.rootViewController = UIViewController()
+                alertWindow?.windowLevel = .alert + 1
+            }
+            alertWindow?.makeKeyAndVisible()
+            alertWindow?.rootViewController?.present(alert, animated: true, completion: nil)
         }
-        alertWindow?.makeKeyAndVisible()
-        alertWindow?.rootViewController?.present(alert, animated: true, completion: nil)
     }
 }