mallibone

protected override void OnAppearing()
{
    if (!App.IsUserLoggedIn)
    {
        App.NavigationService.NavigateModalAsync(PageNames.LoginPage, false);
    }
    base.OnAppearing();
}

mallibone

public LoginPage ()
{
			InitializeComponent ();
      BindingContext = ViewModel;

      UsernameEntry.Completed += (sender, args) => { PasswordEntry.Focus(); };
      PasswordEntry.Completed += (sender, args) => { ViewModel.AuthenticateCommand.Execute(null); };
}

mallibone

public class AwareNavigationController : UINavigationController
{
    public event EventHandler PoppedViewController;

    public AwareNavigationController():base() {}
    public AwareNavigationController(UIViewController rootViewController):base(rootViewController){}
    public AwareNavigationController(IntPtr intPtr) : base(intPtr) { }
    public AwareNavigationController(NSCoder coder) : base(coder) { }
    public AwareNavigationController(NSObjectFlag t) : base(t) { }
    public AwareNavigationController(string nibName, NSBundle bundle) : base(nibName, bundle ) { }

mallibone

#time
open System.IO
open System.Globalization

let EnumerateDirectories path =
    Directory.EnumerateDirectories(path) |> Seq.toList

let isObjOrBinFolder (folderName:string) =
    folderName.EndsWith("obj", true, CultureInfo.InvariantCulture) || folderName.EndsWith("bin", true, CultureInfo.InvariantCulture)