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🧮 高级计算器 Flutter 项目开发文档

⬇️ 安卓最新版下载

主界面截图
🏠 应用主界面展示
科学计算截图
🧑‍🔬 科学计算功能界面

🚀 1. 项目构建流程

🛠️ 1.1 环境准备

  • 💻 安装 Flutter SDK
  • 🧑‍💻 配置 Android Studio/Xcode/VSCode
  • 🔧 配置环境变量

📦 1.2 创建项目

flutter create flutterjisuanqqi20250421
cd flutterjisuanqqi20250421

📑 1.3 依赖管理

  • 使用 pubspec.yaml 管理依赖
  • 常用依赖如 provider、intl、flutter_screenutil 等

🎨 2. 设计理念

  • 🧩 模块化:将界面与逻辑分离,便于维护和扩展
  • 🔄 响应式编程:利用 Flutter 的状态管理(如 Provider、Bloc)
  • ✨ 美观易用:采用 Material Design 设计规范
  • 🌐 跨平台兼容性:兼容 Android、iOS、Web、Windows、macOS、Linux

🏗️ 3. 开发进程的难易点

⚠️ 3.1 难点

  • 复杂表达式解析与计算
  • 自定义键盘组件的交互
  • 跨平台 UI 兼容性
  • 状态管理的选择与实现

💡 3.2 解决方法

  • 使用第三方库(如 math_expressions)处理表达式
  • 组件化开发,封装自定义控件
  • 针对不同平台做适配与测试
  • 采用 Provider 进行全局状态管理

📦 4. 打包与发布

🤖 4.1 Android 打包

flutter build apk
flutter build appbundle

🍏 4.2 iOS 打包

flutter build ios

🌐 4.3 Web 打包

flutter build web

🖥️ 4.4 桌面端打包(Windows/macOS/Linux)

flutter build windows
flutter build macos
flutter build linux

4.5 多平台注意事项

  • 确保各平台依赖已配置
  • 针对不同平台进行 UI 适配

☁️ 5. 上传到 GitHub Release 并分发安装包

5.1 上传步骤(以安卓包为例)

  1. 确保本地仓库已推送到 GitHub:
    git add .
    git commit -m "release: add app-release"
    git push
  2. 使用 GitHub CLI 创建 Release 并上传安装包(需已安装 gh):
    gh release create v1.0.0 releases/app-release.apk --title "Calculator v1.0.0" --notes "Flutter 安卓安装包"
    • v1.0.0 为发布版本号,可根据实际情况更换。
    • releases/app-release.apk 为安装包路径,请确保路径和文件名正确。
    • 上传后会生成 Release 页面。
  3. 访问你的 Release 页面或最新版下载:

每次发布新版本,只需更换版本号和安装包文件,重复上述命令即可。


Advanced Calculator Flutter Project Development Guide

1. Project Setup

1.1 Environment Preparation

  • Install Flutter SDK
  • Setup Android Studio/Xcode/VSCode
  • Configure environment variables

1.2 Create Project

flutter create flutterjisuanqqi20250421
cd flutterjisuanqqi20250421

1.3 Dependency Management

  • Use pubspec.yaml to manage dependencies
  • Common dependencies: provider, intl, flutter_screenutil, etc.

2. Design Philosophy

  • Modularization: Separate UI and logic for maintainability
  • Reactive Programming: Use state management (Provider, Bloc)
  • User-friendly UI: Follow Material Design guidelines
  • Cross-platform compatibility: Support Android, iOS, Web, Windows, macOS, Linux

3. Development Difficulties & Solutions

3.1 Difficulties

  • Complex expression parsing and evaluation
  • Custom keyboard component interactions
  • Cross-platform UI compatibility
  • State management selection and implementation

3.2 Solutions

  • Use libraries (e.g., math_expressions) for expression evaluation
  • Component-based development, encapsulate custom widgets
  • Platform-specific adaptation and testing
  • Use Provider for global state management

4. Packaging & Release

4.1 Android

flutter build apk
flutter build appbundle

4.2 iOS

flutter build ios

4.3 Web

flutter build web

4.4 Desktop (Windows/macOS/Linux)

flutter build windows
flutter build macos
flutter build linux

4.5 Multi-platform Notes

  • Ensure dependencies are configured for each platform
  • Adapt UI for different platforms

5. Upload to GitHub

5.1 Initialize Git Repository

git init
git add .
git commit -m "Initial commit"

5.2 Create GitHub Repo and Push

git remote add origin https://github.com/yourusername/flutterjisuanqqi20250421.git
git branch -M main
git push -u origin main

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