搭建 Flutter 开发环境

Flutter SDK

配置 Flutter 中国镜像

配置环境变量FLUTTER_STORAGE_BASE_URL和PUB_HOSTED_URL

• Flutter 社区
  • FLUTTER_STORAGE_BASE_URL: https://storage.flutter-io.cn
  • PUB_HOSTED_URL: https://pub.flutter-io.cn
• 上海交通大学 Linux 用户组
  • FLUTTER_STORAGE_BASE_URL: https://mirrors.sjtug.sjtu.edu.cn
  • PUB_HOSTED_URL: https://dart-pub.mirrors.sjtug.sjtu.edu.cn

window：

1. 计算机 ->属性 -> 高级系统配置 -> 环境变量
2. 在用户变量下，选择新建环境变量，添加如下的两个环境变量和值： | 变量名 | 值 | | —- | —- | | FLUTTER_STORAGE_BASE_URL | https://storage.flutter-io.cn | | PUB_HOSTED_URL | https://pub.flutter-io.cn |

linux:

# 编辑~/.bashrc
vi ~/.bashrc
# 添加环境变量
export PUB_HOSTED_URL=https://pub.flutter-io.cn
export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn
# 应用环境变量文件
source ~/.bashrc

Mac:

# 编辑~/.bashrc
vi ~/.bash_profile
# 添加环境变量
export PUB_HOSTED_URL=https://pub.flutter-io.cn
export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn
# 应用环境变量文件
source ~/.bash_profile

下载Android Studio

为了flutter生成Android apk ，安装Android Studio。

下载SDK

为了方便切换版本直接克隆Gitee上的Flutter库：

git clone https://gitee.com/mirrors/Flutter.git

项目使用版本：2.10.5

检查环境

# 检查环境
flutter doctor
# 输出结果
Flutter assets will be downloaded from https://storage.flutter-io.cn. Make sure you trust this source!
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel unknown, 2.10.5, on Microsoft Windows [Version 10.0.22000.556], locale zh-CN)
[√] Android toolchain - develop for Android devices (Android SDK version 32.1.0-rc1)
[√] Chrome - develop for the web
[X] Visual Studio - develop for Windows
    X Visual Studio not installed; this is necessary for Windows development.
      Download at https://visualstudio.microsoft.com/downloads/.
      Please install the "Desktop development with C++" workload, including all of its default components
[√] Android Studio (version 2021.2)
[√] IntelliJ IDEA Ultimate Edition (version 2021.3)
[√] Connected device (4 available)
[!] HTTP Host Availability
    X HTTP host https://maven.google.com/ is not reachable. Reason: An error occurred while checking the HTTP host: 信号灯超时时间已到

IDE

安装VScode ；
添加插件Flutter

开发第一个Flutter程序

# 在当前目录创建flutter程序
flutter create . 
# 运行
flutter run