Hiding and retrieving layers

There are a few different options we have for screen management in our games; a screen being a menu screen, loading screen, gameplay screen, and more. We can use multiple activities to act as each screen, we can use the more obvious Scene object to act as each screen in our game, or we can use Entity objects to act as each screen. While the majority of developers tend to follow the multiple activities or multiple Scene objects to act as different game screens, we're going to be taking a quick look into using Entity objects to act as the different screens in our games.

Using Entity objects to act as the various screens of our game has many benefits over the other two approaches mentioned. The entity approach allows us to apply many different screens, or layers to our game at the same time. Unlike with using multiple activities or Scene objects to act as different screens in our game, we can visually display a number of screens on the device using Entity objects...