踏足Flutter 安装开发环境

学习Flutter 首先安装开发环境

第一步 下载
Flutter中文网地址：https://flutterchina.club/get-started/install/

配置新的环境变量
PUB_HOSTED_URL=https://pub.flutter-io.cn
FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn

在path下新建F:\flutter_windows_v1.2.1-stable\flutter\bin的全路径

cdm运行flutter doctor

Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, v1.2.1, on Microsoft Windows [Version 10.0.17134.648], locale zh-CN)
[!] Android toolchain - develop for Android devices (Android SDK version 28.0.2)
X Flutter requires Android SDK 28 and the Android BuildTools 28.0.3
To update using sdkmanager, run:
C:\Users\xushun\AppData\Local\Android\sdk\tools\bin\sdkmanager “platforms;android-28” “build-tools;28.0.3”
or visit https://flutter.io/setup/#android-setup for detailed instructions.
X Android licenses not accepted. To resolve this, run: flutter doctor --android-licenses
[!] Android Studio (version 3.0)
X Flutter plugin not installed; this adds Flutter specific functionality.
X Dart plugin not installed; this adds Dart specific functionality.
[!] Connected device
! No devices available

! Doctor found issues in 3 categories.

上面出现的三个问题

问题一，问题就是关于 Android licenses 的，flutter 也给出了解决方法，执行
flutter doctor --android-licenses命令，然后一直输入 Y 即可
问题二，Flutter plugin not installed 和 Dart plugin not installed
安装flutter插件
AS–>setting --> pligins -->搜索flutter
让我们打开 Android Studio , 点击 Plugins，选择 Browse repositories，搜索 Flutter 进行安装，在安装 flutter 时，编辑器也会帮我们安装 dart 插件
问题三
应该是Android SDK 版本的问题