mallibone/OnCompleted.cs

## OnCompleted.cs
public LoginPage ()
{
			InitializeComponent ();
      BindingContext = ViewModel;

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

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