# zskingking/Jetpack-Mvvm

使用Jetpack全家桶+Kotlin实现的Android社区App加音乐播放器。不写晦涩难懂的代码，尽量标清每一行注释，严格遵守六大基本原则，大量运用设计模式，此项目可快速帮你入手Kotlin、Jetpack。如果觉得对你有帮助，右上角点个star，事先谢过🍉🍉🍉

Repository: https://github.com/zskingking/Jetpack-Mvvm
Canonical: https://ross.abutalabs.com/products/jetpack-mvvm
Language: Kotlin
License Family: other
Last push: 2021-08-11T02:07:39+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": 2308, "days_push": 1849, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1299, forks 184 (observed 2026-08-28T04:04:17.424866+00:00)

## What it is
A complete open-source Android app — a WanAndroid community client plus a NetEase-Cloud-Music-style player — built in Kotlin with the Jetpack suite (Lifecycle, ViewModel, LiveData, DataBinding, Navigation, Room). It is written as a heavily commented teaching project demonstrating MVVM architecture, coroutines, extension functions, and applied design patterns.

## Use cases
- learn Android Jetpack MVVM through a real example app
- study a complete Kotlin Android project with line-by-line comments
- open-source WanAndroid client reference
- see how ViewModel, LiveData, DataBinding, and Navigation fit together
- example of an Android music player implementation
- understand MVVM Repository/ViewModel/View layering in practice
- see design patterns like singleton, observer, and proxy applied in Android code

## When to choose
- You want a readable, well-commented real-world codebase to get started with Kotlin and Jetpack
- You want a reference MVVM project structure with clear Model/ViewModel/View responsibilities
- You want to study coroutine usage, DataBinding adapters, and theme switching in a full app

## When to avoid
- You need a production-ready or actively maintained app — development appears stalled since 2021
- You need a reusable framework or drop-in library rather than a standalone sample app
- You use the latest Android Studio with JDK 11 by default — the project targets JDK 1.8 and requires manual configuration
- You need permissive licensing for reuse — the repository has no license

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: mobile-framework, state-management, gui
- domain: mobile-development, education, tutorials
- platform: jvm
- tags: jetpack, mvvm, android-app, sample-project, wanandroid-client, music-player, coroutines, databinding, viewmodel, livedata, room-database, navigation-component, retrofit, okhttp, design-patterns, night-mode, chinese-documentation, android, mobile

## Member repositories
- zskingking/Jetpack-Mvvm (main) score 23

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:17.424866+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 2026-08-30T04:53:47.963530+00:00, confidence not recorded.
  - readme: https://github.com/zskingking/Jetpack-Mvvm (fetched 2026-08-28T04:04:17.424866+00:00, sha 643301350d22)
- Data as of 2026-08-30T08:39:29.467469+00:00.