Flutter入门

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flutter

一个跨平台开发框架包含:iOS, Android, Web, React Native, Xamarin.

视频介绍(需要梯子)

开始安装: https://flutter.io/docs/get-started/install

创建项目

  • 命令行 Terminal
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$ flutter create QianMinApp
"QianMinApp" is not a valid Dart package name.


From the [Pubspec format description](https://www.dartlang.org/tools/pub/pubspec.html):

**DO** use `lowercase_with_underscores` for package names.

Package names should be all lowercase, with underscores to separate words,
`just_like_this`.  Use only basic Latin letters and Arabic digits: [a-z0-9_].
Also, make sure the name is a valid Dart identifier -- that it doesn't start
with digits and isn't a reserved word.

注意: 项目名必须是小写

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$ cd flutter_qianmin/
$ flutter devices
1 connected device:
Android SDK built for x86 • emulator-5554 • android-x86 • Android 9 (API 28) (emulator)
$ flutter run

那么hello world级别的程序就跑起来了

查看Android项目目录: 可以看到最新的gradle版本是4.10.2

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distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip

如何和我一样不好下载,就改掉这个用你经常用的版本

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