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SwiftUI Cookbook - Third Edition
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As mentioned in the introduction of this chapter, the async await model fits well with the SwiftUI model.
SwiftUI views offer support for calling asynchronous functions. Also, while a function is concurrently executing, we can change the view without having it blocked.
In this short recipe, we’ll integrate an async function that suspends its execution for a few seconds and, at the same time, verify that the UI interaction is not blocked, and we can use a button to increase a counter shown in the view.
Create a SwiftUI app called AsyncAwaitSwiftUI.
We will create a simple app with a button that increases a counter and an asynchronous function that blocks for 5 seconds before returning a value to be presented in the view.
The steps are as follows:
Service class with the following two functions:
class Service {
func fetchResult() async -...