Android Kotlin: Forecast App 02 – Retrofit + Coroutines + Gson Fetch API Data – MVVM Tutorial Course

In the previous part we created blank fragments. We can navigate between them using the navigation architecture component library. In this tutorial, we will add some actual functionality to this Forecast MVVM app, namely the ability to fetch weather from an API.

This means that in this part you are going to learn how to use Retrofit together with Gson to fetch and parse JSON data from an API. The API we are going to use is Apixu which is a weather API offering a generous free plan. You can apply what you learn here to any other API you desire so should there be any problems with Apixu in the future, you will be able to switch to a different API very easily.

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