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Enable Horizontal Scrolling in SwiftUI Pickers

Learn how to implement horizontal scrolling for large text items in your SwiftUI Picker using UIPickerView. Discover effective solutions to enhance usability in your apps. --- This video is based on the question https://stackoverflow.com/q/70968291/ asked by the user 'Олег Привалов' ( https://stackoverflow.com/u/10682199/ ) and on the answer https://stackoverflow.com/a/70973335/ provided by the user 'ChrisR' ( https://stackoverflow.com/u/17896776/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions. Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Picker scroll through one element horizontally Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l... The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license. If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com. --- Introducing the Problem: Horizontal Scrolling in SwiftUI Pickers When designing user interfaces in SwiftUI, you might encounter situations where the items in a Picker are too lengthy to fit comfortably on the screen. This is particularly challenging when dealing with items that can have significantly long text descriptions. You may have considered a standard vertical Picker, but when the text starts to overflow, it becomes a cumbersome experience for users. In this guide, we'll explore a solution that transforms the traditional Picker into one that supports horizontal scrolling for each individual item, ensuring that long text can be displayed seamlessly without compromising on design and usability. The Challenge You have a SwiftUI Picker displaying text items, some of which extend beyond typical visual limits. Although you've tried using a UIKit UIPickerView and manually set its height to accommodate lengthy strings, the result has proven insufficient. Therefore, your goal is to implement horizontal scrolling for individual Picker items. The Solution Fortunately, the solution involves incorporating a ScrollView around each item within a List, allowing it to scroll horizontally. Below, I'll break down the components needed to achieve this functionality in a SwiftUI application. Step-by-Step Implementation Define Your Items: Start by defining the list of items you want to display. This should include all the descriptive texts that will be shown in the Picker. [[See Video to Reveal this Text or Code Snippet]] Create Your ContentView: In your ContentView, you'll set up a state variable for selection and create a visual structure to house your Picker. The goal here is to provide a way for users to select an item while also giving the text the ability to scroll if it's too lengthy. Here’s how you can do it: [[See Video to Reveal this Text or Code Snippet]] Explain the Code: ScrollView(.horizontal): This wraps around the Text(item), allowing each text item to scroll horizontally if it's too long to fit. listRowBackground: This changes the background color of the selected item, improving visual feedback for users. onTapGesture: This detects when a user taps on an item and changes the selected item accordingly. Benefits of This Approach Enhanced User Experience: Users can easily read long texts without needing to shrink words or experience text cutoffs. Flexibility: The horizontal scrolling feature allows for seamless integration within existing SwiftUI interfaces. Visual Appeal: The usage of colors for selected items fosters better engagement and interaction. Conclusion Incorporating horizontal scrolling into SwiftUI Pickers facilitates a more user-friendly and efficient way of handling lengthy text entries. This simple modification provides a smooth, intuitive experience, enabling users to make selections without frustration. By following the steps outlined above, you can transform your Pickers into a more dynamic element of your SwiftUI application. Happy coding!