Creating a hamburger menu in Xamarin.Forms

App.xaml.cs

  public partial class App : Application {
    public NavigationPage NavigationPage { get; private set; }

    public App() {
      var menuPage = new MenuPage();
      NavigationPage = new NavigationPage(new HomePage());
      var rootPage = new RootPage();
      rootPage.Master = menuPage;
      rootPage.Detail = NavigationPage;
      MainPage = rootPage;
    }
}