public partial class MainPage : ContentPage
{
        public MainPage()
        {
            InitializeComponent();
            #if DEV
                 BackgroundColor = Color.LightGray;
                 enviromentLabel.Text = "DEV";
            #else
                 BackgroundColor = Color.LightBlue;
                 enviromentLabel.Text = "PROD";
            #endif
        }
}