App.xaml.cs

 using System;
using Xamarin.Forms;
using Xamarin.Forms.Xaml;
using UEngage.Data;
using UEngage.Models;
using System.IO;

namespace UEngage
{
    public partial class App : Application
    {
        static UEngageDatabase database;
        public static UEngageDatabase Database
        {
            get
            {
                if (database == null){
                    database = new UEngageDatabase(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "UEngage.db3"));
                }
                return database;
            }
        }

        public App()
        {

            MainPage = new Login();
            //if (Xamarin.Essentials.Preferences.Get("log", false))
            //{
            //    MainPage = new Tabbed();
            //}
            //else
            //{
            //    MainPage = new Login();
            //}
        }


        protected override void OnStart()
        {
        }

        protected override void OnSleep()
        {
        }

        protected override void OnResume()
        {
        }
    }
}