# prolificinteractive/material-calendarview

A Material design back port of Android's CalendarView

Repository: https://github.com/prolificinteractive/material-calendarview
Canonical: https://ross.abutalabs.com/products/material-calendarview
Homepage: https://prolificinteractive.github.io/material-calendarview/
Language: Java
License: MIT
License Family: permissive
Topics: java, material, calendar, android
Last push: 2023-05-28T16:37:44+00:00

## 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": 4223, "days_push": 1193, "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 5899, forks 1297 (observed 2026-08-28T04:09:32.063418+00:00)

## What it is
A Material design back port of Android's CalendarView, provided as a customizable calendar UI widget for Android apps. It supports single/multiple date selection, date ranges, custom labels, and event highlighting.

## Use cases
- add a material design calendar to an android app
- let users pick single or multiple dates in android
- display a date range picker in android
- customize calendar appearance with custom day labels and colors
- highlight event dates on an android calendar view

## When to choose
- you need a Material-styled calendar widget on Android with selection and customization options
- you want a drop-in View for layouts with listener-based date selection

## When to avoid
- you need a fully platform-parity CalendarView implementation
- you are not building an Android app
- you need actively developed features beyond maintenance-level updates

## Facets
- artifact type: library
- maturity: maintenance
- function: ui-components, date-time
- domain: mobile-development, android-tools, cross-platform
- platform: jvm
- tags: calendar-view, material-design, date-picker, android-ui, jitpack, android, mobile

## Member repositories
- prolificinteractive/material-calendarview (main) score 23

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:09:32.063418+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 2026-08-29T17:51:19.239172+00:00, confidence not recorded.
  - readme: https://github.com/prolificinteractive/material-calendarview (fetched 2026-08-28T04:09:32.063418+00:00, sha e2604be5310d)
  - homepage: https://prolificinteractive.github.io/material-calendarview/ (fetched 2026-08-29T08:46:47.563959+00:00, sha 1860936c0b13)
- Data as of 2026-08-30T08:39:29.467469+00:00.