[FEAT]: Scan a QR code to start a chat

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@ChandruWritesCode 已经在做这个了。

开始于 2026年7月2日。

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描述

area: mobile difficulty: medium enhancement

Context

Users can already show their QR code (You tab → My QR code, and the QR icon on New message), but there's no way to scan one, so the code can't be used to find someone yet.

What to do

  • Add a Scan action to the New message screen that opens the camera.
  • When an Elephant QR code is scanned, open (or start) the chat with that user. Show a friendly error for other codes.
  • Ask for camera permission only when scanning, and handle "denied" gracefully.
  • Optional: scanning a contact's code on the Verify safety number screen marks it verified when the numbers match.

Where to look

mobile/lib/pages/new chat/new_chat_page.dart, the existing QR display (search for qr), mobile/android/app/src/main/AndroidManifest.xml (camera permission).

Important: F-Droid

The scanner library must be fully free software. No Google ML Kit or Play Services. Many popular packages (e.g. mobile_scanner on Android) use ML Kit, which F-Droid rejects. A ZXing-based package such as flutter_zxing is a safer choice. Please mention which one you pick before starting.

主要语言
Dart
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9
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5
平均合并
49 分钟
30 天内合并 PR
34

环境准备

  • 提供 Dockerfile 或 Docker Compose 文件
  • 没有 Pull Request 模板
  • 没有贡献指南

从这里开始

  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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