Flutter运行错误:您尚未接受许可协议 [英] Flutter run error : You have not accepted the license agreements

问题描述

我正在使用Google flutter 开发android和ios应用.
当我在pubspec.yaml中添加诸如shared_preferences的新依赖项，然后在终端中执行flutter run时，出现此错误:

I'm developing android and ios app with Google flutter.
when I add a new dependency like shared_preferences to pubspec.yaml and then execute flutter run in terminal, I got this error:

• 出了什么问题:配置项目':shared_preferences'时出现问题.
  您尚未接受以下SDK组件的许可协议:[Android SDK Platform 27].

• What went wrong: A problem occurred configuring project ':shared_preferences'.
  You have not accepted the license agreements of the following SDK components: [Android SDK Platform 27].

我知道为什么会发生！因为我系统上的最新Android SDK平台是26.它尝试下载sdk 27​​，然后失败.没问题！我转到位于此处的库缓存文件夹:

I know why it happens! because the latest Android SDK platform on my system is 26 . it trys to download sdk 27 and then fails. no problem! I go to library cached folder which located here :

C:\ Users ... \ AppData \ Roaming \ Pub \ Cache \ hosted \ pub.dartlang.org \ shared_preferences-0.3.1 \ android

C:\Users...\AppData\Roaming\Pub\Cache\hosted\pub.dartlang.org\shared_preferences-0.3.1\android

并编辑build.gradle文件，然后将compileSdkVersion 27更改为compileSdkVersion 26.有效.
到目前为止，我必须对所有新的依赖项执行此操作，
是否有诸如为所有依赖项定义全局build.gradle文件之类的方法?，因此无需单独编辑每个buil.gradle.

and edit build.gradle file and change compileSdkVersion 27 to compileSdkVersion 26. it works.
so far I have to do this for all new dependencies,
Is there any way such as defining a global build.gradle file for all dependencies? so no need to edit each buil.gradles individually.

推荐答案

尝试以下操作:

1. 打开您的终端机
2. 键入flutter doctor --android-licenses
3. 按y键接受每个许可证.

1. Open your terminal
2. type flutter doctor --android-licenses
3. press y to accept every license.

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