public async void OnSignupStackTapped(object sender, EventArgs e)
{
if (Login.IsPageInNavigationStack <SignUp> (Navigation))
{
await Navigation.PopAsync();
return;
}
var signUpPage = new SignUp();
await Navigation.PushAsync(signUpPage);
}
public async void OnLoginStackTapped(object sender, EventArgs e)
{
if (Login.IsPageInNavigationStack <Login> (Navigation))
{
await Navigation.PopAsync();
return;
}
var loginPage = new Login();
await Navigation.PushAsync(loginPage);
}