RxKotlin

Lesson in the Android Developer Roadmap · Stage 11: Common Services

Last updated 14 September 2026

What is RxKotlin?

RxKotlin is a lightweight Kotlin extension library for RxJava. It adds idiomatic Kotlin extension functions and DSL-style utilities for working with RxJava observables. Developers use RxKotlin to write more natural Kotlin code when building reactive streams in Android.

Study this in the interactive course See the whole Android roadmap

Free resources to learn RxKotlin

Open sourceReactiveX/RxKotlin - RxKotlin on GitHub

RxKotlin: common questions

Can I learn RxKotlin in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain RxKotlin in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this RxKotlin tutorial for beginners?

It is lesson 85 of 113 in the free Android roadmap, in stage 11, Common Services. If you are new to Android, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.