Flutter 课程体系一

1.环境搭建

1.下载sdk

使用git克隆Flutter，命令：gitclone -b beta https://github.com/flutter/flutter.git；

从官网下载flutter，https://flutter.io/setup-macos/；

2.配置环境

vim .bash_profile

#flutter
export PUB_HOSTED_URL=https://pub.flutter-io.cn
export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn
export PATH=/Users/dawn/Flutter/flutter/bin:$PATH

source .bash_profile

3.检测结果

flutter doctor

提示结果

Downloading Dart SDK from Flutter engine 4737fc5cd89b8f0136e927b00f2e159444b95a73...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  118M  100  118M    0     0  2457k      0  0:00:49  0:00:49 --:--:-- 2446k
Building flutter tool...

  ╔════════════════════════════════════════════════════════════════════════════╗
  ║                 Welcome to Flutter! - https://flutter.io                   ║
  ║                                                                            ║
  ║ The Flutter tool anonymously reports feature usage statistics and crash    ║
  ║ reports to Google in order to help Google contribute improvements to       ║
  ║ Flutter over time.                                                         ║
  ║                                                                            ║
  ║ Read about data we send with crash reports:                                ║
  ║ https://github.com/flutter/flutter/wiki/Flutter-CLI-crash-reporting        ║
  ║                                                                            ║
  ║ See Google's privacy policy:                                               ║
  ║ https://www.google.com/intl/en/policies/privacy/                           ║
  ║                                                                            ║
  ║ Use "flutter config --no-analytics" to disable analytics and crash         ║
  ║ reporting.                                                                 ║
  ╚════════════════════════════════════════════════════════════════════════════╝


Flutter assets will be downloaded from https://storage.flutter-io.cn. Make sure
you trust this source!
Downloading Material fonts...                                       1.4s
Downloading android-arm-profile/darwin-x64 tools...                 1.1s

2.提示出错

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

[!] Android Studio (version 3.2)
    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
    ✗ Dart plugin not installed; this adds Dart specific functionality.
[!] IntelliJ IDEA Ultimate Edition (version 2019.1)
    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
    ✗ Dart plugin not installed; this adds Dart specific functionality.
[!] VS Code (version 1.33.1)
    ✗ Flutter extension not installed; install from
      https://marketplace.visualstudio.com/items?itemName=Dart-Code.flutter
[✓] Connected device (2 available)

! Doctor found issues in 5 categories.

需要运行 

flutter doctor --android-licenses

Warning: File /Users/dawn/.android/repositories.cfg could not be loaded.        
4 of 6 SDK package licenses not accepted. 100% Computing updates...             
Review licenses that have not been accepted (y/N)? y

对于需要判断的输入y就行了,之后会出现一下提示

Accept? (y/N): y
All SDK package licenses accepted

 

2.Android studio 运行demo

1.在Android studio的 perferences 中选中plugins，之后会出现一个弹出框

输入flutter 之后点击安装

 

2.