Quite simple library for Windows Phone that helps modifying navigation backstack or redirecting to some page depending on some flag.
Feel free to propose patches or fork the code :)
Simply look at an example.
// Code to execute when the application is launching (eg, from Start)
// This code will not execute when the application is reactivated
private void Application_Launching(object sender, LaunchingEventArgs e)
{
var fluent = new FluentNavigation(RootFrame);
fluent.WhenNavigatedTo<MainPage>()
.ThenTo<LoginPage>()
.ThenToAnyPage()
.RemoveEntriesFromBackStack(1);
fluent.WhenNavigatedTo<MainPage>()
.ThenTo<LoginPage>()
.ThenTo<RegisterPage>()
.ThenTo<PaymentPage>()
.RemoveEntriesFromBackStackTill<MainPage>();
fluent.WhenNavigatedTo<MainPage>()
.ThenTo<SecondPage>()
.ThenTo<RegisterPage>()
.ThenOptionallyTo<ForgotPasswordPage>()
.ThenToAnyPage()
.RemoveEntriesFromBackStackTill<MainPage>();
fluent.WhenNavigatingTo<PaymentPage>()
.RedirectTo<LoginPage>();
fluent.WhenNavigatingTo<PaymentPage>()
.If(() => false)
.RedirectWithReturnUri<LoginPage>("ReturnUri");
}