fix: fix iOS build warnings (#79)

Author: ian-wd

ios/IdscanSdk.m

@@ -31,11 +31,20 @@ @implementation IdscanSdk
     [[NSUserDefaults standardUserDefaults] synchronize];
 
     dispatch_async(dispatch_get_main_queue(), ^(void) {
-        ScannerViewController* scannerViewController = [[ScannerViewController alloc] init];
+        ScannerViewController *scannerViewController = [[ScannerViewController alloc] init];
         scannerViewController.delegate = self;
         NSLog(@"IDScanner: Starting camera scanner...");
-
-        UIViewController *rootViewController = [[[UIApplication sharedApplication] keyWindow] rootViewController];
+        
+        UIWindow *windowRoot = nil;
+        NSArray *windows = [[UIApplication sharedApplication] windows];
+        for (UIWindow *window in windows) {
+            if (window.isKeyWindow) {
+                windowRoot = window;
+                break;
+            }
+        }
+        
+        UIViewController *rootViewController = [windowRoot rootViewController];
         [rootViewController presentViewController:scannerViewController animated:YES completion:nil];
     });
 }

ios/ScannerViewController.m

@@ -157,8 +157,11 @@ - (void)initCapture
 
     // We add the preview layer
     self.prevLayer = [AVCaptureVideoPreviewLayer layerWithSession: self.captureSession];
+    
+    UIWindow *firstWindow = [[[UIApplication sharedApplication] windows] firstObject];
+    UIWindowScene *windowScene = firstWindow.windowScene;
+    UIInterfaceOrientation orientation = windowScene.interfaceOrientation;
 
-    UIInterfaceOrientation orientation = [UIApplication sharedApplication].statusBarOrientation;
     if (orientation == UIInterfaceOrientationLandscapeLeft) {
         self.prevLayer.connection.videoOrientation = AVCaptureVideoOrientationLandscapeLeft;
         self.prevLayer.frame = CGRectMake(0, 0, MAX(self.view.frame.size.width,self.view.frame.size.height), MIN(self.view.frame.size.width,self.view.frame.size.height));
@@ -485,8 +488,10 @@ - (void)decodeResultNotification: (NSNotification *)notification {
 }
 
 - (enum UIInterfaceOrientationMask)supportedInterfaceOrientations {
-    UIInterfaceOrientation interfaceOrientation = [[UIApplication sharedApplication] statusBarOrientation];
-
+    UIWindow *firstWindow = [[[UIApplication sharedApplication] windows] firstObject];
+    UIWindowScene *windowScene = firstWindow.windowScene;
+    UIInterfaceOrientation interfaceOrientation = windowScene.interfaceOrientation;
+    
     switch (interfaceOrientation) {
         case UIInterfaceOrientationPortrait:
             return UIInterfaceOrientationMaskPortrait;