Flutter配置for Mac -- VSCode

最近开始了解Flutter，下面介绍在Mac环境下配置开发环境，我是一个iOS开发者，所有以后的系列文章都会以iOS的开发角度去学习Flutter。大家一块学习

官方开发文档地址

官方开发文档地址

Flutter下载包地址

下载包git地址

VSCode下载地址

自行搜索下载VSCode下载

配置Flutter-SDK

1：解压压缩包，以我个人配置为例，放到文档中，并且创建一个文件夹Flutter，且把解压后的文件放入该文件夹中。

2：配置环境路劲
配置环境变量,使用命令行：

 `cd`到上一步的路劲 

执行

vim ~/.bash_profile

保存并退出（啥事不用干）保存之后执行如下命令

export PATH=`pwd`/flutter/bin:$PAT

保存一下，注意如果这个文件不存在，那么就新建一个。保存完毕之后运行命令:

source ~/.bash_profile

这个时候应该能运行flutter命令了，我们运行命令行：

flutter -h

执行完命令后出现如下日志

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.
    --bug-report            Captures a bug report file to submit to the Flutter
                            team.
                            Contains local paths, device identifiers, and log
                            snippets.

    --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.
  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/ directory.
  config                   Configure Flutter settings.
  create                   Create a new Flutter project.
  devices                  List all connected devices.
  doctor                   Show information about the installed tooling.
  drive                    Runs Flutter Driver tests for the current project.
  emulators                List, launch and create emulators.
  format                   Format one or more dart files.
  help                     Display help information for flutter.
  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.
  packages                 Commands for managing Flutter packages.
  precache                 Populates the Flutter tool's cache of binary
                           artifacts.
  run                      Run your Flutter app on an attached device.
  screenshot               Take a screenshot from a connected device.
  stop                     Stop your Flutter app on an attached device.
  test                     Run Flutter unit tests for the current project.
  trace                    Start and stop tracing for a running Flutter app.
  upgrade                  Upgrade your copy of Flutter.

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

检查环境

flutter doctor

出现日志如下

![环境检查如下](https://img.haomeiwen.com/i1416781/f1797dbb30e71ace.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, v1.0.0, on Mac OS X 10.13.1 17B1003, locale
    zh-Hans-CN)
[✗] Android toolchain - develop for Android devices
    ✗ Unable to locate Android SDK.
      Install Android Studio from:
      https://developer.android.com/studio/index.html
      On first launch it will assist you in installing the Android SDK
      components.
      (or visit https://flutter.io/setup/#android-setup for detailed
      instructions).
      If Android SDK has been installed to a custom location, set $ANDROID_HOME
      to that location.
      You may also want to add it to your PATH environment variable.

[!] iOS toolchain - develop for iOS devices (Xcode 9.2)
    ✗ libimobiledevice and ideviceinstaller are not installed. To install with
      Brew, run:
        brew update
        brew install --HEAD usbmuxd
        brew link usbmuxd
        brew install --HEAD libimobiledevice
        brew install ideviceinstaller
    ✗ ios-deploy not installed. To install with Brew:
        brew install ios-deploy
[!] Android Studio (not installed)
[✓] VS Code (version 1.31.1)
[✓] Connected device (1 available)

! Doctor found issues in 3 categories.

NOTICE:按照检测结果的说明，如果有[!] ✗ 标志，表示本行检测不通过，需要做一些设置或者安装一些软件。因为我是iOS开发者，所以只针对iOS开发体系
所有看上面有提示x的所以就执行每一行提示的指令

✗ libimobiledevice and ideviceinstaller are not installed. To install with
      Brew, run:
        brew update
        brew install --HEAD usbmuxd
        brew link usbmuxd
        brew install --HEAD libimobiledevice
        brew install ideviceinstaller
    ✗ ios-deploy not installed. To install with Brew:
        brew install ios-deploy

依次执行完成即可

NOTICE不同用户看到信息不用，请酌情处理

到此执行已经配置完成了。

配置VSCode

vscode配置如图

NOTICE:注意如图上得箭头，选择放置Flutter的文件夹选择bin文件夹的路劲即可

创建新的应用

1. 启动 VS Code
2. 调用 View>Command Palette…
3. 输入 ‘flutter’, 然后选择 ‘Flutter: New Project’ action
4. 输入 Project 名称 (如myapp), 然后按回车键(可能时间较长)
5. 指定放置项目的位置，然后按蓝色的确定按钮
6. 等待项目创建继续，并显示main.dart文件

上述命令创建一个Flutter项目，项目名为myapp，其中包含一个使用Material 组件的简单的演示应用程序。

在项目目录中，您的应用程序的代码位于 lib/main.dart.

运行应用程序

1. 确保在VS Code的右下角选择了目标设备
2. 按 F5 键或调用Debug>Start Debugging
3. 等待应用程序启动

Flutter配置for Mac -- VSCode
Flutter入门基础（一）-Label
Flutter入门基础（二）-Button
Flutter入门基础（三）-TextFile登录页
Flutter入门基础（四）-imageview
Flutter入门基础（五）-UITableView

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