vi ~/.bash_profile
export PUB_HOSTED_URL=https://pub.flutter-io.cn
export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn
export FLUTTER_HOME=/Users/tianshaojie/development/flutter
export PATH=$PATH:$FLUTTER_HOME/bin
## 检查
flutter doctor
## 升级
flutter upgrade
## AS3.0+,安装Flutter和Dart插件:
* Flutter插件: 支持Flutter开发工作流 (运行、调试、热重载等).
* Dart插件: 提供代码分析 (输入代码时进行验证、代码补全等).
java/objectc -> framework -> canvas
js -> webview -> framework -> canvas
JS -> Bridge -> framework -> canvas
Dart -> Skia -> canvas
每个APP内都有自己的一套UI组件,跨平台;包略大,初始化6.7MB