颤振：颤振1.22更新后，我在Lineargradient属性中遇到错误 [英] Flutter: After flutter 1.22 update i am getting error in Lineargradient properties

问题描述

在flutter 1.22更新之后，我在Lineargradient colors属性中收到一个错误，这给我一个错误，即未定义名称colors参数。在flutter和flutter更新之后，我在项目中到处都出现此错误android studio中的插件。

After the flutter 1.22 update, I am getting an error in Lineargradient colors property it's giving me an error that the name colors parameter isn't defined..I am getting this error everywhere in the project after the update of flutter and flutter plugin in android studio.

推荐答案

重新启动Android Studio应该可以解决此问题。
这是因为在Dart 2.10中，必需成为了关键字（以前是 @required ）。 IDE可能无法识别您已经更新了Dart SDK。

Restarting your Android Studio should fix this issue. This is because in Dart 2.10, required becomes a keyword (previously was @required). The IDE probably doesn't recognize that you've updated the Dart SDK.

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