1.java环境的安装 https://www.oracle.com/technetwork/java/javase/documentation/jdk8-doc-downloads-2133158.html(需要配置环境变量)
2.flutter sdk安装 https://flutter.io/docs/development/tools/sdk/archive(需要配置环境变量)
3.android studio安装
4.flutter和dart插件安装 安装了flutter插件就安装了dart插件 在android studio插件搜索flutter插件并安装
5.android证书安装 命令行输入flutter doctor --android-licenses 然后全部y