Stuck at Card entry Page on iOS 10.3 about xamarincomponents HOT 13 CLOSED

@newky2k I was actually able to resolve this for me. I will post code below. Issue turned out to move the delegate scope with the PageRenderer class and not creating new instance of it on ViewDidAppear
` public class CardIORenderer : PageRenderer
{
private bool bViewAlreadyDisappeared = false;
private CardIOPage cardIOPage;
private CardIOPaymentViewControllerDelegate cardIOPaymentViewControllerDelegate;
public CardIORenderer()
{

    }
    protected override void OnElementChanged(VisualElementChangedEventArgs e)
    {
        base.OnElementChanged(e);
        cardIOPage = e.NewElement as CardIOPage;
    }
    public override void ViewDidAppear(bool animated)
    {
        base.ViewDidAppear(animated);

        if (bViewAlreadyDisappeared) return;

        cardIOPaymentViewControllerDelegate = new CardIOPaymentViewControllerDg(cardIOPage);

        // Create and Show the View Controller
        var paymentViewController = new CardIOPaymentViewController(cardIOPaymentViewControllerDelegate, true);

        paymentViewController.AllowFreelyRotatingCardGuide = false;
        Device.BeginInvokeOnMainThread(() =>
        {
            var window = UIApplication.SharedApplication.KeyWindow;
            var vc = window.RootViewController;
            while (vc.PresentedViewController != null)
            {
                vc = vc.PresentedViewController;
            }
            // Display the card.io interface
            vc.PresentViewController(paymentViewController, true, null);
        });
    }
    public override void ViewDidDisappear(bool animated)
    {
        base.ViewDidDisappear(animated);
        bViewAlreadyDisappeared = true;
    }
}
public class CardIOPaymentViewControllerDg : CardIOPaymentViewControllerDelegate
{
    private CardIOPage cardIOPage;
    private CardIOCard cardIOCard = new CardIOCard();
    public CardIOPaymentViewControllerDg(CardIOPage page)
    {
        cardIOPage = page;   
    }
    public override void UserDidCancelPaymentViewController(CardIOPaymentViewController paymentViewController)
    {
        // do cancel
    }

    public override void UserDidProvideCreditCardInfo(CreditCardInfo card, CardIOPaymentViewController paymentViewController)
    {
        if (card == null)
           // do error
        else
        {
            //do work
        }
    }
}`

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@Redth Can you please look into this.
Thanks

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@bholmes @mattleibow
Can you guys please look into this as well
I am stuck at this since last week

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Can you please specify which component is giving the problem. Is this CardIO?

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@bholmes Yes

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@wal33d006 does the sample work for you? It's working fine for me, I'm unable to reproduce the crash, or the Camera/Done buttons not working.

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hi @wal33d006 @bholmes ,
I ran into the same issue and found this post. it's a CardIO issue
My app don't crash, but i'm stuck into that screen. It's a bit tricky to reproduce, here are the steps :

_Take a card hard to read (erased numbers or something) or simply hide some numbers with your finger
_Try to scan the credit card (the all square must be green)
_While the component try to scan, click on the cancel button

You should now be stuck in the card scanner.

Hope this can be fixed, thank you in advance

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@jeremymarabel
My screen also stucks there
the buttons don't work at all
Sometimes it crashes and sometimes it doesn't

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@jeremymarabel and @wal33d006 please try the sample located here: https://github.com/xamarin/XamarinComponents/tree/master/XPlat/CardIO/iOS/samples

I still can't reproduce the issue.

Also, if you can share some code to show how you're using Card.IO that would help. I tried the steps of trying to read a card with missing numbers and pressing cancel when the square was all green. It works fine here :/

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Has anyone resolved this issue? I am implementing this with Xamarin Forms and ran into same issue with buttons not firing.

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@crs2m5smith Could you provide a sample project and further details about the version of iOS etc that you are using

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@newky2k ^ Check this one.

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Thanks for following up 🥇

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