How to get the build/version number of your Android application?

Question

I need to figure out how to get or make a build number for my Android application. I need the build number to display in the UI.

Do I have to do something with

Answer 1

Kotlin one-liners

val versionCode = BuildConfig.VERSION_CODE
val versionName = BuildConfig.VERSION_NAME

Make sure to import BuildConfig into your class.

Java one-liners

String versionCode = String.valueOf(BuildConfig.VERSION_CODE);
String versionName = String.valueOf(BuildConfig.VERSION_NAME);