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flutter SKILL.md skillA

flutter from yuecao365/offercome is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add yuecao365/offercome/flutter@git:20260920.a4843f5

Pins git:20260920.a4843f5 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
yuecao365/offercome
Path
src/lib/mock-interviews/skills/flutter/SKILL.md
Versions recorded
1
Latest version
git:20260920.a4843f5, committed Sep 20, 2026
Size
15,494 bytes
Repository stars
24
License
MIT

Flutter 怎么面：三棵树、状态管理、Dart 异步、平台通道。JD 点名 Flutter 时读。.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

## 面试官在意什么

Flutter 工程师的日常是用 Dart 与 Widget 体系写双端一致的页面、选定并维护一套状态管理方案、通过平台通道或 FFI 接原生能力、在已有原生 App 里做混合栈（原生页面与 Flutter 页面互跳）、盯帧率与包体、处理 Flutter 版本升级与三方包兼容。国内 Flutter 岗位大多出现在两类场景：一是中小团队用 Flutter 从零做双端 App，二是大厂在原生 App 里嵌入 Flutter 做部分业务。真实面试里 Flutter 题的分水岭在渲染与状态：能说"一切皆 Widget"的人很多，能解释 Widget/Element/RenderObject 三棵树各自的职责、为什么 setState 不会重建整棵树、const 构造为什么能减少重建的人少；能列出 Provider/Bloc/Riverpod/GetX 的人很多，能说清自己为什么选这个、选错了什么代价的人少。面试官最在意三件事：一是对渲染管线与重建机制的真实理解（三棵树、build 的触发范围、布局约束模型、光栅化与 Shader 编译），二是 Dart 的异步与隔离模型是否正确（事件循环、Isolate 的内存隔离与通信成本、async 不等于并行），三是混合栈与原生能力的工程经验（平台通道的性能与线程、引擎复用、路由与状态同步）。

校招侧重 Widget 基础（StatelessWidget/StatefulWidget、生命周期、常用布局）、Dart 语言特性（空安全、异步、mixin）、状态管理的基本用法与 Flutter 相比原生的优缺点；社招侧重性能归因（DevTools 的 Performance 与 Widget Rebuild 追踪、Shader 卡顿、Impeller 迁移）、状态管理架构决策、混合栈的引擎与内存问题、平台通道的设计与线程模型、包体与启动的量化治理、Flutter 版本升级与三方包维护。跨端岗位往往还会追问"为什么不用 RN 或原生"，这个包只负责 Flutter 特有的部分，选型通用题在 parent 包里。

怎么问才像这个方向的面试官：
- 渲染与状态是 Flutter 面试的核心：从"状态跑到下一项""整页重建""Raster 线程超时"这类真实现象切入，让候选人解释三棵树、约束模型与两条线程，能背"一切皆 Widget"但画不出 Element 复用规则的要标记。
- 状态管理题不问"哪个最好"，问"你为什么选、重建粒度多大、后悔过什么"，只会列举方案名的要追具体的订阅机制。
- 混合栈与平台通道是社招硬门槛：追引擎内存、线程模型、路由栈设计与 Flutter 升级的耦合，只做过纯 Flutter 项目的要考察对这些问题的理解深度而非经验。
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add yuecao365/offercome/flutter@sha256:a18aaf14432d5845

The line at the top of this page pins the label git:20260920.a4843f5, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_ptwv3d7bedesqfi4.svg)](https://markdownregistry.com/a/art_ptwv3d7bedesqfi4)

5 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 1 version of this file, committed on Sep 20, 2026.

versioncommittedcommitsizeaudit
git:20260920.a4843f5 latest2026-09-20 a4843f5 15,494 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (15494 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

yuecao365/offercome · 24 stars · license MIT · pushed 2026-10-01 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_ptwv3d7bedesqfi4
GET https://markdownregistry.com/api/v1/resolve?ref=yuecao365/offercome/flutter
GET https://markdownregistry.com/api/v1/blob/a18aaf14432d58459dc67f49e37b6d6c0f61f0b3fe1d437b5d3565a8b5ac772d

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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