a.cs

public class CodedUiTest : ContentView
{
    public CodedUiTest ()
    {
        InitializeContentLive(); 
    }

    public void InitializeContentLive()
    {
        var grid = new Grid();
        grid.AnchorX = 10;  
        Content = new StackLayout {
            Children = {
                new Label { Text = "Welcome to Xamarin.Forms!" }
            }
        };
    }
}