New posts in Android Build Type

Android Gradle. How to combine Flavors with buildTypes

Android Studio 3 + Gradle 4.0 + shrinkResources + libraryProject = Unable to find a matching configuration in project

How to run android app in release not in debug?

Android Studio : How to remove/filter build variants for default debug and release buildTypes and keep only those using custom buildTypes?

How do I detect if I am in release or debug mode?