image

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:local="clr-namespace:App5"
             xmlns:ViewModels="clr-namespace:App5.ViewModels"
             x:Class="App5.MainPage">

    <ContentPage.BindingContext>
        <ViewModels:MainViewModel />
    </ContentPage.BindingContext>
    
    <StackLayout>
        <Grid>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="1*" />
                <ColumnDefinition Width="3*" />
            </Grid.ColumnDefinitions>

            <Image Source="{Binding NiceImage}" Aspect="AspectFit" Grid.Column="0" />
        </Grid>
        <Label Text="test" />
    </StackLayout>

</ContentPage>

using PropertyDependencyDemo.Mvvm;
using System;
using System.Collections.Generic;
using System.Text;
using Xamarin.Forms;

namespace App5.ViewModels
{
    public class MainViewModel : ObservableObject
    {
        public ImageSource NiceImage
        {
            get
            {
                return "anImage.png";
            }
        }
    }
}