Behavior-Driven Development (BDD) has became quite a popular strategy for writing tests in the past ten or so years. BDD is a style of test-writing that focuses on test cases that flow like natural English sentences. Expekt is one such library for writing JUnit assertions in Kotlin. Combining JUnit and Expekt you can achieve results […]
Kotlin Sealed Classes
Kotlin has a concept known as sealed hierarchies (several other languages implement this feature as well). In Kotlin, we can generate a sealed hierarchy through the use of sealed classes. What are Sealed Classes? Sealed classes are basically an extension to an enum class. They offer similar functionality with a few key differences. Similarly: The […]
Static Methods, Companion Objects, and Testing
A companion object sits inside a class definition and houses all the static methods which that class will own. Let’s convert a piece of Java code to Kotlin so you can see what I mean.
Using ButterKnife with Kotlin
Butterknife is a simple but fantastic tool for Android development. When this was introduced, it really simplified my thought process regarding view bindings in my activities, fragments, or view holders. As Kotlin adoption grew, Jake Wharton (creator of ButterKnife) also created KotterKnife, for kotlin-esque view bindings. KotterKnife isn’t bad, but I prefer the annotation syntax of […]