# Ramotion/expanding-collection-android

:octocat: ExpandingCollection is a material design card peek/pop controller. Android UI Library made by @Ramotion

Repository: https://github.com/Ramotion/expanding-collection-android
Canonical: https://ross.abutalabs.com/products/expanding-collection-android
Homepage: https://www.ramotion.com/agency/app-development/
Language: Java
License: MIT
License Family: permissive
Topics: android, java, library
Last push: 2020-04-06T13:36:27+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 3618, "days_push": 2340, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1996, forks 279 (observed 2026-08-28T04:06:03.477502+00:00)

## What it is
ExpandingCollection is an Android UI library implementing a material design card peek/pop controller with expanding collection cards. It provides views like ECPagerView and ECBackgroundSwitcherView for building animated card pager interfaces in Java.

## Use cases
- add expanding card collection to android app
- material design card peek pop animation
- animated card pager with background switcher
- expandable card list ui for android
- java android library for card transitions

## When to choose
- building an Android app in Java that needs material-style expanding card UI
- wanting a ready-made animated card pager with dynamic background switching
- targeting older Android versions down to API 14

## When to avoid
- building in Kotlin with Jetpack Compose
- needing actively maintained or frequently updated components
- requiring highly custom animations beyond the peek/pop card pattern

## Facets
- artifact type: library
- maturity: maintenance
- function: ui-components, animation
- domain: mobile-development, android-tools, web-design
- platform: -
- tags: material-design, card-ui, expanding-cards, java, ramotion, android

## Member repositories
- Ramotion/expanding-collection-android (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:06:03.477502+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 2026-08-30T03:02:17.414271+00:00, confidence not recorded.
  - readme: https://github.com/Ramotion/expanding-collection-android (fetched 2026-08-28T04:06:03.477502+00:00, sha 4d01c7afbda3)
  - homepage: https://www.ramotion.com/agency/app-development/ (fetched 2026-08-29T10:42:05.634999+00:00, sha 1843eac2b729)
  - site_page: https://www.ramotion.com/about (fetched 2026-08-29T10:42:05.638218+00:00, sha 1e1eff982b27)
  - site_page: https://www.ramotion.com/services (fetched 2026-08-29T10:42:05.640106+00:00, sha d761b6403517)
  - site_page: https://www.ramotion.com/process (fetched 2026-08-29T10:42:05.641834+00:00, sha 024968c84616)
  - site_page: https://www.ramotion.com/faq (fetched 2026-08-29T10:42:05.644361+00:00, sha 2dd04946d291)
- Data as of 2026-08-30T08:39:29.467469+00:00.