How to add multiple users in LoginFlow - Xamarin system

Question

I have sample xamarin forms solution. I wanted username and login functionality. I was doing some research and found nice example.

https://developer.xamarin.com/samples

Answer 1

create a dictionary with all of your user/password pairs in it

Dictionary<string, string> Credentials = new Dictionary<string, string>()
    {
        { "user1", "pass" },
        { "user2", "pass" },
        { "user3", "pass" }
    };

then when you want to check them

public bool ValidateLogin(string user, string pass) 
{
  return (Credentials.ContainsKey(user) && Credentials[user] == pass);
}