# The Busy Coder's Guide to Android Development

Source code to omnibus edition of _The Busy Coder's Guide to Android Development_

Repository: https://github.com/commonsguy/cw-omnibus
Canonical: https://ross.abutalabs.com/products/the-busy-coders-guide-to-android-development
Homepage: http://commonsware.com/Android
Language: Java
License: Apache-2.0
License Family: permissive
Topics: android, android-book
Last push: 2019-02-09T23:04:17+00:00
Link (homepage): http://commonsware.com/Android

## Health v2 (maintenance only)
Score: 23/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 8, longevity 100
- inputs: {"age_days": 5287, "days_push": 2762, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 5316, forks 3695 (observed 2026-08-28T04:09:15.521744+00:00)

## What it is
Source code repository for 'The Busy Coder's Guide to Android Development', a comprehensive book on Android app development containing hundreds of sample apps in Java. The book itself is available through CommonsWare's Warescription program, with this repo holding the accompanying example projects organized by chapter topics.

## Use cases
- learn android app development from basics to advanced topics
- find working sample code for android features like recyclerview and action bar
- reference examples of android ui widgets and layouts
- study android activity lifecycle and process model examples
- get java android examples without jetpack libraries

## When to choose
- you want extensive, well-organized sample code accompanying a full android book
- you are learning android development in Java
- you need examples of both basic and specialty android topics like external display support

## When to avoid
- you want modern Kotlin and Jetpack-based android instruction
- you need actively updated samples for the latest Android SDK versions
- you want a standalone tutorial without purchasing the book

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: developer-tools, documentation
- domain: mobile-development, tutorials, android-tools
- platform: jvm
- tags: android-development, sample-code, book, java, commonsware, tutorial, android, android-studio

## Member repositories
- commonsguy/cw-omnibus (main) score 23
- commonsguy/cw-advandroid (examples) score 32
- commonsguy/cw-android (examples) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:09:15.521744+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T17:58:56.409992+00:00, confidence not recorded.
  - readme: https://github.com/commonsguy/cw-omnibus (fetched 2026-08-28T04:09:15.521744+00:00, sha 1df82711717d)
  - homepage: http://commonsware.com/Android (fetched 2026-08-29T08:53:35.987664+00:00, sha 2e326a4a91cb)
- Data as of 2026-08-30T08:39:29.467469+00:00.