bitwarden-mobile/src/App/Utilities/DateTimeConverter.cs

using System;
using Xamarin.Forms;

namespace Bit.App.Utilities
{
    public class DateTimeConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter,
            System.Globalization.CultureInfo culture)
        {
            if(targetType != typeof(string))
            {
                throw new InvalidOperationException("The target must be a string.");
            }
            if(value == null)
            {
                return string.Empty;
            }
            var d = (DateTime)value;
            return string.Format("{0} {1}", d.ToShortDateString(), d.ToShortTimeString());
        }

        public object ConvertBack(object value, Type targetType, object parameter,
            System.Globalization.CultureInfo culture)
        {
            throw new NotSupportedException();
        }
    }
}