If we have an app that displays data, the chances are that it comes from somewhere outside the device, say somewhere like the Internet.
To work with JSON responses, we need to install the Newtonsoft.Json NuGet package or the Json.NET component. This is an advanced JSON parser; however, we can make use of the DataContractJsonSerializer type or any other serializer for JSON.
In order to obtain data from the Internet or a local network, we use HTTP requests. In this recipe, we access data from http://jsonplaceholder.typicode.com/posts/1:
Access JSON data from the HTTP location in the form:
{ "userId": 1, "id": 1, "title": "sunt aut facere repellat provident occaecati", "body": "quia et suscipit\nsuscipit recusandae conse" }For any Internet communication, we need to request permission from Android:
[assembly: UsesPermission(Manifest.Permission.Internet)]
Then, to access the data from the remote source, we make use of
HttpClient...