Скачать или смотреть Implementing Swipe Actions in UITableView with Diffable Data Source

Discover how to add swipe actions in your UITableView utilizing a Diffable Data Source. Our guide includes a simple implementation in Swift 5 that can help you get started quickly!
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This video is based on the question https://stackoverflow.com/q/67328819/ asked by the user 'Jatesh Kumar Maheshwari' ( https://stackoverflow.com/u/11663568/ ) and on the answer https://stackoverflow.com/a/67396443/ provided by the user 'Jatesh Kumar Maheshwari' ( https://stackoverflow.com/u/11663568/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Implementing Swipe Actions in UITableView with Diffable Data Source

If you’ve been developing iOS applications with Swift and UIKit, you might have encountered situations where you needed to implement swipe actions on a UITableView. In this post, we will tackle a common question: Can we swipe to delete or add actions into a cell using Diffable Data Source? While the traditional methods work seamlessly, integrating swipe actions with a Diffable Data Source can present challenges. Let’s explore how to overcome these issues step-by-step.

The Challenge

When trying to use swipe actions in a UITableView with a Diffable Data Source, you might discover that the method trailingSwipeActionsConfigurationForRowAt does not get called. This can leave developers puzzled, especially when the same method works perfectly with a simple table view data source. Many developers have found that despite placing breakpoints in their code, there seems to be no response when attempting to swipe the table view cells.

The Solution

The solution to this problem lies in subclassing the Diffable Data Source. By implementing custom behavior in your data source class, you can effectively manage the swipe actions in your UITableView. Here’s how to do it:

1. Creating a Subclass of UITableViewDiffableDataSource

To modify the behavior of your Diffable Data Source, create a custom class that subclasses UITableViewDiffableDataSource. You will need to override the canEditRowAt method which determines whether the cell at a specified index path can be edited.

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2. Implementing the Custom Data Source

After you create your subclass, you need to implement it in your data source configuration. Here’s a sample implementation that shows how to do this:

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3. Adding Swipe Actions

With the custom data source in place, you can now define what actions you want to display when a user swipes on a cell. Here is an example of how to implement swipe actions:

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Conclusion

By subclassing the Diffable Data Source and overriding necessary methods, you can seamlessly integrate swipe actions into your UITableView. This solution offers a clear pathway to enhance your table view functionality with engaging user interactions.

Now, whether you need to delete rows or trigger other actions, implementing these functionalities will be straightforward and effective.

If you found this guide helpful, feel free to share your experiences or ask questions in the comments below! Happy coding!