# florent37/ExpansionPanel

Android - Expansion panels contain creation flows and allow lightweight editing of an element.

Repository: https://github.com/florent37/ExpansionPanel
Canonical: https://ross.abutalabs.com/products/expansionpanel
Homepage: https://material.io/guidelines/components/expansion-panels.html
Language: Java
License: Apache-2.0
License Family: permissive
Topics: android, material, layout, expansion, expansion-panels, open, close, toggle, view, androidx
Archived: true
Last push: 2020-07-02T11:51:19+00:00

## Health v2 (maintenance only)
Score: 10/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 3162, "days_push": 2253, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, archived
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1950, forks 236 (observed 2026-08-28T04:05:58.184421+00:00)

## What it is
An Android library implementing Material Design expansion panels with toggleable headers and animated open/close layouts. It provides custom views (ExpansionHeader, ExpansionLayout) that are AndroidX-ready for building collapsible UI sections.

## Use cases
- add collapsible accordion sections to an android app
- implement material design expansion panels in android
- create lightweight editing flows with expandable layouts
- toggle open and close content sections on android
- build creation flow forms with expandable panels

## When to choose
- building a native Android app with Java/Kotlin that needs Material-style expandable panels
- you want a small, drop-in AndroidX-compatible view library

## When to avoid
- building for iOS, web, or cross-platform frameworks
- you need Jetpack Compose-based implementations
- you need actively maintained software with recent releases

## Facets
- artifact type: library
- maturity: maintenance
- function: ui-components, animation
- domain: mobile-development, web-design
- platform: -
- tags: material-design, expansion-panels, androidx, java, accordion, android, mobile

## Member repositories
- florent37/ExpansionPanel (main) score 10

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:58.184421+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 2026-08-30T03:06:51.943248+00:00, confidence not recorded.
  - readme: https://github.com/florent37/ExpansionPanel (fetched 2026-08-28T04:05:58.184421+00:00, sha b12b188baf3f)
  - homepage: https://material.io/guidelines/components/expansion-panels.html (fetched 2026-08-29T10:46:33.366522+00:00, sha af68fa66f4cd)
- Data as of 2026-08-30T08:39:29.467469+00:00.