Time for action – using the Corona store module to create an In-App Purchase

Now that we have set up our Product ID for our In-App Purchase in iTunes Connect, we can implement it in our app to purchase the product we're going to sell. A sample menu app of Breakout was created to demonstrate how to purchase levels within an application. The app contains two levels in the level select screen. The first is available by default. The second is locked and can only be unlocked by purchasing it for $0.99. We're going create a level select screen so that it acts in that manner:

1. In the Chapter 11 folder, copy the Breakout In-App Purchase Demo project folder to your desktop. You can download the project files accompanying this book from the Packt Publishing website. You will notice that the configuration, libraries, assets, and .lua files needed are included.

2. Create a new levelselect.lua file and save it to the project folder.

3. Set up the scene with the following variables and saving/loading functions...