public static void Init(this IWalkthrough walkThrough, UIViewController hostViewController)
{
var iosWalkThrough = (WalkthroughImplementation)walkThrough;
iosWalkThrough.Init(hostViewController);
}
public static void Init(this IWalkthrough walkThrough, AppCompatActivity hostActivity)
{
var androidWalkThrough = (WalkthroughImplementation)walkThrough;
androidWalkThrough.Init(hostActivity);
}