Flutter环境搭建
2021-09-14 本文已影响0人
a_simple_coder
1.下载Flutter
推荐去官网下载,可以下载最新的SDK,网址:
https://flutter.io/setup-macos/
下载后解压到你想放的目录。
2.配置环境变量
2.1、用以下命令打开环境变量配置文件:
open -e ~/.bash_profile
加入:
export PUB_HOSTED_URL=https://pub.flutter-io.cn
export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn
export FLUTTER_GIT_HOME=/Users/didi/Documents/code/flutter2.5.0/flutter/bin
export PATH=${FLUTTER_GIT_HOME}:${PATH}
其中:FLUTTER_GIT_HOME 的 /Users/didi/Documents/code/flutter2.5.0/flutter 是我本地的Flutter解压后的路径。
2.2、测试是否配置成功:
flutter doctor
2.3、碰到的异常:
-
/Users/didi/Documents/code/flutter/bin/internal/shared.sh: line 228: /Users/didi/Documents/code/flutter/bin/cache/dart-sdk/bin/dart: No such file or directory
方案:下载的Flutter包缺少dart.exec,重新下载Flutter包;
重新运行flutter doctor; -
cmdline-tools component is missing
,如图:
image.png
方案:打开Android Studio--SDK Manager--SDK Tools:

重新运行flutter doctor;
-
Some Android licenses not accepted. To resolve this, run: flutter doctor --android-licenses
:
[!] Android toolchain - develop for Android devices (Android SDK version 31.0.0)
! Some Android licenses not accepted. To resolve this, run: flutter doctor
--android-licenses
方案一:直接运行:
flutter doctor --android-licenses
然后一路按y即可。