环境搭建

Dart

环境安装

• 下载 DartSDK
• 添加环境变量

export DART_HOME=/usr/local/dart/dart-sdk/bin
export PATH="${DART_HOME}:${PATH}"

Flutter

环境搭建

• 获取 SDK
  • zip
    • https://flutter.dev/docs/development/tools/sdk/releases?tab=macos#macos
    • https://github.com/flutter/flutter/releases
  • git
• 设置环境变量

export PUB_HOSTED_URL=https://pub.flutter-io.cn //国内用户需要设置
export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn //国内用户需要设置
export PATH=PATH_TO_FLUTTER_GIT_DIRECTORY/flutter/bin:$PATH

export PATH=/Users/用户名/Documents/flutter/flutter/bin:$PATH
export ANDROID_HOME="/Users/用户名/Documents/android_sdk" //android sdk目录，替换为你自己的即可
export PATH=${PATH}:${ANDROID_HOME}/tools
export PATH=${PATH}:${ANDROID_HOME}/platform-tools
export PUB_HOSTED_URL=https://pub.flutter-io.cn
export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn

搭建 ok 环境

# dart_flutter
export PUB_HOSTED_URL=https://pub.flutter-io.cn
export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn
export PATH=/usr/local/dart/flutter/bin:$PATH

测试

• flutter -h(是否环境 ok)

$ flutter -h
Manage your Flutter app development.

Common commands:

  flutter create <output directory>
    Create a new Flutter project in the specified directory.

  flutter run [options]
    Run your Flutter application on an attached device or in an emulator.

Usage: flutter <command> [arguments]

Global options:
-h, --help                  Print this usage information.
-v, --verbose               Noisy logging, including all shell commands executed.
                            If used with --help, shows hidden options.
-d, --device-id             Target device id or name (prefixes allowed).
    --version               Reports the version of this tool.
    --suppress-analytics    Suppress analytics reporting when this command runs.
    --packages              Path to your ".packages" file.
                            (required, since the current directory does not contain a ".packages" file)

Available commands:
  analyze                  Analyze the project's Dart code.
  assemble                 Assemble and build flutter resources.
  attach                   Attach to a running application.
  bash-completion          Output command line shell completion setup scripts.
  build                    Flutter build commands.
  channel                  List or switch flutter channels.
  clean                    Delete the build/ and .dart_tool/ directories.
  config                   Configure Flutter settings.
  create                   Create a new Flutter project.
  devices                  List all connected devices.
  doctor                   Show information about the installed tooling.
  downgrade                Downgrade Flutter to the last active version for the current channel.
  drive                    Runs Flutter Driver tests for the current project.
  emulators                List, launch and create emulators.
  format                   Format one or more dart files.
  generate                 run code generators.
  install                  Install a Flutter app on an attached device.
  logs                     Show log output for running Flutter apps.
  make-host-app-editable   Moves host apps from generated directories to non-generated directories so that they can be edited by developers.
  precache                 Populates the Flutter tool's cache of binary artifacts.
  pub                      Commands for managing Flutter packages.
  run                      Run your Flutter app on an attached device.
  screenshot               Take a screenshot from a connected device.
  symbolize                Symbolize a stack trace from an AOT compiled flutter application.
  test                     Run Flutter unit tests for the current project.
  upgrade                  Upgrade your copy of Flutter.
  version                  List or switch flutter versions.

Run "flutter help <command>" for more information about a command.
Run "flutter help -v" for verbose help output, including less commonly used options.

• flutter devices(校验连接设备)

1 connected device:

COL AL10 • 9YEDU18427028281 • android-arm64 • Android 10 (API 29)

• flutter doctor(校验开发环境)

$ flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, v1.17.5, on Mac OS X 10.15.4 19E287, locale zh-Hans-HK)

[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.1)
[✗] Xcode - develop for iOS and macOS
    ✗ Xcode installation is incomplete; a full installation is necessary for iOS development.
      Download at: https://developer.apple.com/xcode/download/
      Or install Xcode via the App Store.
      Once installed, run:
        sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer
        sudo xcodebuild -runFirstLaunch
    ✗ CocoaPods not installed.
        CocoaPods is used to retrieve the iOS and macOS platform side's plugin code that responds to your plugin usage on the Dart side.
        Without CocoaPods, plugins will not work on iOS or macOS.
        For more info, see https://flutter.dev/platform-plugins
      To install:
        sudo gem install cocoapods
[✓] Android Studio (version 4.0)
[!] IntelliJ IDEA Ultimate Edition (version 2020.1.2)
    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
    ✗ Dart plugin not installed; this adds Dart specific functionality.
[✓] VS Code (version 1.47.0)
[✓] Connected device (1 available)

! Doctor found issues in 2 categories.

配置国内 package 环境

在操作系统下面添加国内源地址即可

export PUB_HOSTED_URL=https://pub.flutter-io.cn
export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn

• 依赖包

flutter packages get
flutter pub get