A white screen is displayed instead of my launch screen on my iPad Air when I start my iOS project

Question

I have a LaunchScreen.storyboard file in my iOS project and it worked a few weeks or months ago. But now only a white screen is displayed instead of my launch screen. In addition, I have the same problem with UIImageView, a white screen is displayed instead of the UIImageView image.

MyViewController.cs:

using UIKit;
using SharedCode;
using Microsoft.Maui.Controls;
using CommunityToolkit.Mvvm.Messaging;
using Microsoft.Xna.Framework;

namespace MyProjectiOS
{
    public partial class MyViewController : UIViewController
    {
        private UIImageView LogoImage;

        public MyViewController() : base("MyViewController", null)
        {
        }

        public override void ViewDidLoad()
        {
            View = new UIView();
            View.BackgroundColor = UIColor.White;
            base.ViewDidLoad();
            UIView viewbg = new UIView(new CoreGraphics.CGRect(0, 0, UIScreen.MainScreen.Bounds.Width, UIScreen.MainScreen.Bounds.Height));
            View.AddSubview(viewbg);

            WeakReferenceMessenger.Default.Register<Game1Message>(this, (r, m) =>
            {
                G_RemoveLogoTestMyView();
            });

            LogoImage = new UIImageView(UIImage.FromBundle("Image"));
            LogoImage.ContentMode = UIViewContentMode.ScaleAspectFit;
            LogoImage.Tag = 1234;
            LogoImage.Frame = new CoreGraphics.CGRect(0, 0, 375, 375);
            viewbg.AddSubview(LogoImage);
            LogoImage.Center = viewbg.Center;
        }

        public void G_RemoveLogoTestMyView()
        {
            //remove image
            var LogoView = View.ViewWithTag(1234);
            if (null != LogoView)
                LogoView.RemoveFromSuperview();
        }

        public override void DidReceiveMemoryWarning()
        {
            base.DidReceiveMemoryWarning();
            // Release any cached data, images, etc that aren't in use.
        }
    }
}

I use .NET 7.0, target iOS version 16.1, minimum iOS version 15.0 and Visual Studio for Mac 17.5 Preview (build 1741).

Why are the launch screen and the UIImageView LogoImage not displayed on my iPad Air?

Answer 1

Hello,

There are two issues for you, the first one is that the Launch Screen isn't displayed and you cannot open the storyboard file via VS for Mac, another one is that the image named "Image" is not displayed in your MyViewController.

For the first Launch Screen issue, you can follow the progress at DC- cannot open a storyboard file in my iOS project in VS for Mac 17.5 Preview
For the second image issue, you could try to add an image into Resources folder, and set its build action to BundleResource, then display the image on MyViewController.

Best Regards,

Wenyan Zhang

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