App.cs

using FreshMvvm;
using lpains.Helpers;
using lpains.ViewModels;
using Xamarin.Forms;

namespace lpains
{
    public partial class App : Application
    {

        public App()
        {
            InitializeComponent();
        }

        protected override void OnStart()
        {
            NavigateToMainPage();

            // Handle when your app starts
        }

        private void NavigateToMainPage()
        {
            var masterDetailNav = new MasterDetailNavigationContainer();
            masterDetailNav.Init("Menu", "ic_toolbar_Bars");
            masterDetailNav.AddPage<DashboardViewModel>("Dashboard", "Dashboard", '\uf200'.ToString(), null); // piechart icon
            masterDetailNav.AddPage<FirstItemViewModel>("Item 1", "Items", '\uf128'.ToString(), null); // question icon
            masterDetailNav.AddPage<SecondItemViewModel>("Item 2", "Items", '\uf128'.ToString(), null); // question icon
            masterDetailNav.AddPage<AboutViewModel>("About", "Settings", '\uf129'.ToString(), null); // info icon
            masterDetailNav.AddPage<UserProfileViewModel>("User Profile", "Settings", '\uf007'.ToString(), null); // user icon

            Application.Current.MainPage = masterDetailNav;
        }

        protected override void OnSleep()
        {
            // Handle when your app sleeps
        }

        protected override void OnResume()
        {
            // Handle when your app resumes
        }
    }
}