Flutter 从零开始 002 创建第一个flutter项目

1.创建并运行一个Flutter App工程

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打开Android studio（简称AS）>File>New>New Flutter Project

选择一个模拟器，点击旁边的run 按钮

第一次编译项目时间比较长，耐心等待即可，运行完成 如下图

2.项目基本文件目录

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Flutter项目主要分为Android，iOS，lib，pubspec.yaml这四个，其中lib下就是用来flutter开发的，我们的dart文件就放在这里，pubspec.yaml文件就是flutter的构建管理工具，就和Android 的gradle 一样

name: flutter001

description: A new Flutter project.



# The following line prevents the package from being accidentally published to

# pub.dev using `flutter pub publish`. This is preferred for private packages.

publish_to: 'none' # Remove this line if you wish to publish to pub.dev



# The following defines the version and build number for your application.

# A version number is three numbers separated by dots, like 1.2.43

# followed by an optional build number separated by a +.

# Both the versi