如何在flutter中导入和使用软件包?

问题描述

我想知道如何从第三方导入新软件包并在我的代码中调用它?

解决方案

您可以在

然后，您只需要将此句子复制到您的 pubspec.yaml 文件中即可.

在 pubspec.yaml 中的 dependencies 下的

粘贴行.请注意，空格非常重要，因此在粘贴时，空格应在 flutter:下开始.

将更改保存在 pubspec.yaml 中，它将自动安装软件包.如果未安装，请从命令行运行 flutter pub get 手动安装软件包.

最后，请不要忘记使用此处提供的以下行将库导入文件顶部:

I will like to know how to import a new package from third party in flutter and call it in my code?

解决方案

You can find a lot of packages on Pub.dev.

To import it just open any package and navigate to the Installing Tab.

Then you just need to copy this sentence to your pubspec.yaml file.

Paste line under dependencies in pubspec.yaml. Note that spaces is very important so make it start just under flutter: when pasting.

Save changes in pubspec.yaml and it will install the packages automatically. If it doesn't install run flutter pub get from command line to install the package manually.

Lastly do not forget to import the library at the top of the file by using the line provided here:

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