![]() ![]() How to use the Retrofit library to connect to a REST web service on the internet and get a response.Basic knowledge of how to add dependencies in adle.Basic knowledge of how to use coroutines for long-running tasks.Basic knowledge of how to use Android architecture components ViewModel.Basic knowledge of how to create Composable functions.You will also display an error message if the internet is slow or unavailable, which will keep the user informed about any network connectivity issues. This greatly simplifies fetching the data and also helps the app follow Android best practices, such as perform operations on a background thread. In this codelab, you will use open source and community-driven libraries to build a data layer and get data from a backend server. Gmail, YouTube, and Google Photos are example apps that connect to the internet to display the user data. Most Android apps in the market connect to the internet to perform network operations, such as retrieving emails, messages, or other information from a backend server.
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