square/dagger
A fast dependency injector for Android and Java. 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: 5144
- days_rel: n/a
- days_push: 1833
- n_releases_24m: 0
Adoption not part of the score
7279 stars · 3081 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
Dagger 1 is a fast, reflection-free dependency injection library for Android and Java built on JSR-330 (javax.inject) annotations. It is deprecated in favor of Google's Dagger 2 and should not be adopted for new projects.
Use cases
- inject dependencies in an Android app
- replace factory boilerplate classes in Java projects
- make classes easier to unit test with fakes
- swap modules between dev and production
- learn how Dagger 1 dependency injection worked
When to choose
- maintaining a legacy Android or Java codebase already using Dagger 1.x
- studying the design that led to Dagger 2
When to avoid
- starting any new Android or Java project
- you can use Google's Dagger 2 instead
- you need ongoing support or security fixes
Facets
library · maturity abandoned
developer-tools boilerplate mobile-development developer-tools android-tools jvm dependency-injection jsr-330 deprecated android
2 sources
- readme: https://github.com/square/dagger · fetched 2026-08-28 · 4780d2708e55
- homepage: https://square.github.io/dagger/ · fetched 2026-08-29 · c7849fd7d643
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| square/dagger | main | 10 |
For agents
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem