Using the http Package in Dart

The previous publication was talking about the low-level HTTP Client interface HttpClient offered by dart:io. This package does the job, but even the documentation recommends to use package:http instead. This is a higher-level implementation dealing with all the portability for different platforms and adding a lot of cool features. Instead of recreating a new project from scratch, we will improve the previous one created: httpcat. First, we need to know how to install a package with Dart. Using...