Importing packages and dependencies

This recipe shows how to get packages and plugins from https://pub.dev and integrate them into your app's pubspec.yaml file.

Specifically, you will retrieve the version and package name from pub.dev, import a package into the pubspec.yaml file in your project, download the package, and use it in your classes. 

By the end of this recipe, you will know how to import any package available in the pub.dev hub into your apps.