SwiftUI TextEditor complete tutorial

TextEditor is a view in SwiftUI which allows you to display and edit text in your app. The text can consist of multiple lines and can be scrollable. Follow this tutorial to learn how to create, use and style TextEditor in SwiftUI. In order to initialize a TextEditor, you need to pass in a binding … →

 

SwiftUI Link tutorial – how to create and use Link in SwiftUI

A Link is a control in SwiftUI which enables you to navigate to a URL by opening Safari and loading desired website. It looks just like a standard button. In order to properly use a Link, you need to define it with a text label and a destination URL. Links can be styled by changing … →

 

SwiftUI Label tutorial – how to create and use Label in SwiftUI

Label is a user interface item in SwiftUI which enables you to display a combination of an image (icon, SF Symbol or other) and a text label in a single UI element. This tutorial shows you how to create and use a Label in SwiftUI. In it’s simplest form, a Label with SF Symbol and … →

 

How to create a horizontal scroll view in SwiftUI

In this tutorial we’re going to build a horizontal scroll view (also known as horizontal list) that is placed along the top of the screen. It’s a simplified version of Instagram stories feature which enables you to horizontally scroll through the images of people you follow. Instead of images, we’re going to use circles to … →

 

How to return multiple values from a function in Swift

Tuples can be used to return multiple values from Swift functions. A tuple allows you to group together multiple values of different types which can then be returned from a function as a single entity. Here is an example of a function which returns a String, an Int and a Double: func returnMultipleValues() -> (String, … →

 

How to iterate over enum cases in Swift

You can iterate over all of the possible cases of an enumeration in Swift by making it conform to the CaseIterable protocol. When using CaseIterable, you can access a collection of all enum cases by using a allCases property and then iterate over it as an array. The order of allCases collection depends on the declaration order … →

 

SwiftUI DatePicker tutorial – how to create and use DatePicker in SwiftUI

DatePicker is a control in SwiftUI which enables you to input (by selection) date and time values. In order to properly use a DatePicker, you need to back it with a State variable storing the selected date. This tutorial shows you how to create and use a DatePicker in SwiftUI. In its simplest form, a DatePicker can be … →

 

How to check if an object is of given type in Swift

In order to check if an object is of given type in Swift, you can use the type check operator is. Given an example class Item, you can check if the object is of its type like that: let item = Item() if item is Item { print(“object is of Item subclass type”) } else { print(“object is … →

 

How to iterate over lines in a string in Swift

You can iterate (loop) over lines in a string using enumerateLines(invoking:) method which calls a given closure on each line of the string: var str = “Foundation\nSwift\nString” str.enumerateLines { (line, _) in print(line) } The above code prints out each line separately. Get an array containing all of the lines in a string In order to split … →

 

How to iterate over characters in a string in Swift

You can iterate (loop) over a string’s characters using a regular for loop by treating it as an array: let str = “Foundation Swift String” for char in str { print(“character = \(char)”) } The above code prints out each character in a new line. Alternatively, you can use the forEach(_:) method on a string, which calls … →