square/otto
An enhanced Guava-based event bus with emphasis on Android support. observed · 2026-08-28
Health v2 · maintenance only
10/100
- Activity 0
- Release rhythm 35
- Longevity 100
Flags: no_releases archived
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 5180
- days_rel: n/a
- days_push: 2816
- n_releases_24m: 0
Adoption not part of the score
5113 stars · 827 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
Otto is an enhanced Guava-based event bus library for Java, specialized for Android, that decouples application components via synchronous publish/subscribe communication. It is officially deprecated in favor of RxJava/RxAndroid.
Use cases
- decouple android app components with an event bus
- publish and subscribe to typed events in java
- replace callbacks with event-driven communication
- communicate between fragments and services on android
When to choose
- maintaining a legacy Android project already using Otto
- you need a tiny synchronous Guava-style event bus on the JVM
When to avoid
- starting a new Android project (use RxJava, RxAndroid, or coroutines Flow instead)
- you need asynchronous or threaded event dispatch
- you need an actively maintained library
Facets
library · maturity abandoned
message-queue middleware mobile-development android-tools developer-tools jvm event-bus pub-sub guava deprecated android
2 sources
- readme: https://github.com/square/otto · fetched 2026-08-28 · e006194eff59
- homepage: http://square.github.io/otto/ · fetched 2026-08-29 · e01e3f38b846
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| square/otto | main | 10 |
For agents
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem