private Navigation()
{
_resolver = PagesResolver.GetInstance();
pages = new Stack <Page>();
viewModels = new Stack <BaseViewModel>();
pages.Push(new LoginPage());
viewModels.Push(new LoginViewModel());
}
public static PagesResolver GetInstance()
{
if (instance == null)
{
lock (_lock)
{
if (instance == null)
{
instance = new PagesResolver();
}
}
}
return(instance);
}