# alibaba/alpha

Alpha是一个基于PERT图构建的Android异步启动框架，它简单，高效，功能完善。 在应用启动的时候，我们通常会有很多工作需要做，为了提高启动速度，我们会尽可能让这些工作并发进行。但这些工作之间可能存在前后依赖的关系，所以我们又需要想办法保证他们执行顺序的正确性。Alpha就是为此而设计的，使用者只需定义好自己的task，并描述它依赖的task，将它添加到Project中。框架会自动并发有序地执行这些task，并将执行的结果抛出来。

Repository: https://github.com/alibaba/alpha
Canonical: https://ross.abutalabs.com/products/alpha
Language: HTML
License Family: other
Topics: android
Archived: true
Last push: 2018-12-14T07:24:47+00:00

## Health v2 (maintenance only)
Score: 10/100 (v2, computed 2026-09-03T02:39:23.370411+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 3030, "days_push": 2819, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, archived, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1948, forks 232 (observed 2026-08-28T04:05:58.018413+00:00)

## What it is
Alpha is an Android library for orchestrating asynchronous app startup tasks using a PERT-style dependency graph. Developers define tasks and their dependencies, and the framework executes them concurrently while respecting ordering, with support for per-process configurations.

## Use cases
- speed up android app cold start time
- run startup initialization tasks in parallel
- enforce execution order between async startup tasks
- configure different startup flows for different android processes
- build task dependency graphs for app initialization

## When to choose
- your android app has many independent startup tasks that could run concurrently
- you need declarative dependency ordering for initialization work
- your app is multi-process and needs per-process startup logic

## When to avoid
- you need a general-purpose background work scheduler like WorkManager
- your project is Kotlin-first and prefers coroutine-based startup solutions
- you need a actively maintained library with recent releases

## Facets
- artifact type: library
- maturity: maintenance
- function: concurrency, scheduling, workflow-automation
- domain: mobile-development, android-tools, performance
- platform: -
- tags: app-startup, async-tasks, dependency-graph, pert, java, android-sdk, android

## Member repositories
- alibaba/alpha (main) score 10

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:58.018413+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 2026-08-30T03:06:58.840027+00:00, confidence not recorded.
  - readme: https://github.com/alibaba/alpha (fetched 2026-08-28T04:05:58.018413+00:00, sha 011821f0896a)
- Data as of 2026-08-30T08:39:29.467469+00:00.