Kotlin Standard Library Cookbook

Getting ready

Let's assume we have the Dialog class specified in some external dependency with an interface provided as follows:

class Dialog {    lateinit var title: String    lateinit var message: String    lateinit var messageColor: String    lateinit var image: ByteArray    fun show() = println("Dialog...\n$this")    override fun toString() = "Title: $title \nImage: $image \nMessage:     $message"}

The Dialog class exposes the following properties—title: String, message: String, messageColor: String, and image: File. We are going to implement a DialogBuilder class, which allows us to instantiate the Dialog class using the builder pattern. As the result, we would like to create a mechanism that allows us to instantiate the Dialog type using a DSL-like syntax ...