Which programming language is used for Android app development?

Question

Android

Answer 1

https://www.sololearn.com/discuss/275783/?ref=app
https://www.sololearn.com/discuss/797546/?ref=app
https://www.sololearn.com/discuss/717086/?ref=app
https://www.sololearn.com/discuss/244889/?ref=app

Answer 2

With Android Studio IDE - You can use Java, C++ and Kotlin.

More about Android Studio: https://developer.android.com/studio/