Is it possible specify Xamarin Forms Entry Numeric Keyboard without comma or decimal point separator?

Question

I have to create a form in which the user must input his age. I would like to use a numeric keyboard:

Answer 1

To me the simple solution is just to add a TextChanged handle to the Entry (this is UI specific code so does not break MVVM)

Then in code behind

    private void OnTextChanged(object sender, TextChangedEventArgs e)
    {
        //lets the Entry be empty
        if ( string.IsNullOrEmpty(e.NewTextValue) ) return;

        if ( !double.TryParse(e.NewTextValue, out double value) )
        {
            ((Entry) sender).Text = e.OldTextValue;
        }
    }

Change in int.Parse if need an integer