/// <summary>
/// Checks if the user is logged into the given provider.
/// Supported platforms: Facebook, Twitter, Google+
/// </summary>
/// <returns>If is logged into the specified provider, returns <c>true</c>;
/// otherwise, <c>false</c>.</returns>
/// <param name="provider">The provider to check if the user is logged into.</param>
public static bool IsLoggedIn(Provider provider)
{
SocialProvider targetProvider = GetSocialProvider(provider);
if (targetProvider == null)
{
return(false);
}
if (targetProvider.IsNativelyImplemented())
{
//fallback to native
return(instance._isLoggedIn(provider));
}
return(targetProvider.IsLoggedIn());
}
