In Chapter 19 we learned how to include external libraries in our Android projects. Kotlin doesn’t have dedicated XML and JSON processing classes included in its standard library, so to achieve XML- and JSON-related tasks we use appropriate external libraries and add some convenience functions in the form of extension functions.
Note
Both XML and JSON are format specifications for structured data. You will frequently use them if your Android app communicates with the outside world for receiving or sending data in a standardized format.
This chapter assumes you have a sample app you can use ...