RxJava 3 on Android

Instructions

RxJava 3 (io.reactivex.rxjava3) is a supported reactive option for Java-based Android projects. Do not mix RxJava 2 (io.reactivex.*) and 3 in the same module.

1. Setup

dependencies {
    implementation 'io.reactivex.rxjava3:rxjava:3.1.8'
    implementation 'io.reactivex.rxjava3:rxandroid:3.0.2'
    implementation 'com.squareup.retrofit2:adapter-rxjava3:2.11.0'  // Retrofit call adapter
}

2. Stream Types — pick the right one