/// <summary> /// Retrieves image(s) from share extension and launches the analysis page. /// </summary> private void LaunchFromShareExtension() { if (!AppDelegate.LaunchedFromShareExtension) { return; } AppDelegate.LaunchedFromShareExtension = false; var sharedDefaults = new NSUserDefaults(SharedConstants.AppGroupID, NSUserDefaultsType.SuiteName); var imageData = sharedDefaults.DataForKey(SharedConstants.ImageKey); sharedDefaults[SharedConstants.ImageKey] = new NSData(); sharedDefaults.Dispose(); try { var image = UIImage.LoadFromData(imageData); var imageName = string.Empty; ImageEntries.Add(new ImageEntry(image.ToSKImage(), imageName, DateTime.UtcNow, null)); LaunchAnalysisScreen(ImageEntries); } catch (ArgumentNullException) { var alert = UIAlertController.Create(SharedConstants.ShareExtensionErrorAlertTitle, SharedConstants.ShareExtensionErrorAlertMessage, UIAlertControllerStyle.Alert); alert.AddAction(UIAlertAction.Create(SharedConstants.ShareExtensionErrorAlertOkAction, UIAlertActionStyle.Default, null)); PresentViewController(alert, true, null); } }