This is what libraries in Android Studio are for. They simply extend the capabilities of Java/Kotlin/the Android SDK by letting you use classes and methods built by other users.

This post is an introduction to Kotlin for Android development. Learn how the language differs from Java and the basic syntax and layout.

The promotion of Kotlin, which was created by Czech-based IDE maker JetBrains, is all part of Google's commitment to the language for Android app development.