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Almost every app needs to fetch data from the backend API or ‘server’. So, we will look at a basic approach to a network call in Swift.
Let’s check how can we implement API calling in swift. We will not be using any third parties or network calls instead, we will be using Apple’s own API services URLSession.
Things need to check before integrating API into the app :URLSessionCompletion HandlersDispatchQueue
The URLSession is used to create URLSessionTalk instances, which can fetch and return data to your app, and download and upload files to web services.
A completion handler in Swift is a function that calls back when a task completes.
An object that manages the execution of tasks serially or concurrently on your app’s main thread or on a background thread.
Now let’s start working on API calling.
I am using below mentioned API you can check its data by hitting it in a browser.https://swapi.dev/api/films/
Now based on the data we are getting from API create a Data Model.
Making a Network Call in Swift:
data
response
error
Finally call this function in viewDidLoad & show data on your screen accordingly.
I have shown different film titles in a Tableview.
In this article, I have explained API Calling in swift.
Thanks for reading this article ❤
If I got something wrong 🙈, let me know in the comments. I would love to improve.
For more interesting blogs check out here – https://mobikul.com/blog/
Reference link: https://www.freecodecamp.org/news/how-to-make-your-first-api-call-in-swift/
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