public ValidateNumberPage()
{
cursorLabel = new LabelCustomFont {
Text = ">"
};
entryNumber = new EntryCustomFont {
HorizontalOptions = LayoutOptions.FillAndExpand,
Keyboard = Keyboard.Numeric
};
entryNumber.Completed += OnNumberEntryCompleted;
stackLayout = new StackLayout {
Padding = new Thickness(16),
Children = {
new LabelCustomFont {
Text = "ENTER A CREDIT CARD NUMBER:"
},
new StackLayout {
Children = {
cursorLabel, entryNumber
},
Orientation = StackOrientation.Horizontal,
Spacing = 0
}
}
};
Content = new ScrollView() {
Content = stackLayout,
HorizontalOptions = LayoutOptions.FillAndExpand,
Orientation = ScrollOrientation.Vertical
};
}
void OnNumberEntryCompleted(object sender, EventArgs args)
{
var entry = (EntryCustomFont)sender;
var resultText = "";
var resultLabel = new DecodeLabel {
Text = resultText
};
if (Mod10Check (entry.Text)) {
resultLabel.TextColor = Color.FromHex ("#fff");
resultText = ">__VALID NUMBER";
} else {
resultText = ">INVALID NUMBER";
}
entry.IsEnabled = false;
resultLabel.Animate (true, resultText, 10);
stackLayout.Children.Add (resultLabel);
entryNumber = new EntryCustomFont {
HorizontalOptions = LayoutOptions.FillAndExpand,
Keyboard = Keyboard.Numeric
};
entryNumber.Completed += OnNumberEntryCompleted;
stackLayout.Children.Add (
new StackLayout {
Children = {
cursorLabel, entryNumber
},
Orientation = StackOrientation.Horizontal,
Spacing = 0
}
);
entryNumber.Focus ();
}