public override void SetUpCell()
{
UIImage frontImage = CardType.CreditCardImage();
CALayer layer = EntryEnclosingView.Layer;
layer.CornerRadius = 4.0f;
layer.MasksToBounds = true;
layer.BorderColor = ColourHelper.GetColour("0xC3C3C3FF").CGColor;
layer.BorderWidth = 1;
cardImage.Image = frontImage;
PreviousCardNumber.Text = "xxxx " + LastFour;
LengthForType = CardType == CardType.AMEX ? 4 : 3;
entryField.ShouldChangeCharacters = (UITextField textView, NSRange NSRange, string replace) => {
CSRange range = new CSRange((int)NSRange.Location, (int)NSRange.Length);
Complete = false;
if (range.Length > 1)
{
return(false);
}
if (replace.Length > 1)
{
return(false);
}
if (replace.Length == 1 && !char.IsDigit(replace.ToCharArray() [0]))
{
return(false);
}
if (textView.Text.Length + replace.Length - range.Length > LengthForType)
{
return(false);
}
if (replace != "" && textView.Text.Length + replace.Length == LengthForType)
{
var aStringBuilder = new StringBuilder(textView.Text);
aStringBuilder.Remove(range.Location, range.Length);
aStringBuilder.Insert(range.Location, replace);
string newTextOrig = aStringBuilder.ToString();
CCV = newTextOrig;
Complete = true;
}
DispatchQueue.MainQueue.DispatchAsync(() => {
UpdateUI();
});
return(true);
};
entryField.BecomeFirstResponder();
}
