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Learn how to easily dismiss `UIActivityViewController` in your iOS app by tapping outside its view. This guide walks you through the steps with code examples!
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This video is based on the question https://stackoverflow.com/q/75406597/ asked by the user 'adalovelacy' ( https://stackoverflow.com/u/21130112/ ) and on the answer https://stackoverflow.com/a/75408069/ provided by the user 'Blazej SLEBODA' ( https://stackoverflow.com/u/1180728/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Dismiss UIActivityViewController by Tapping Outside the View

When developing iOS applications, one common requirement is allowing users to dismiss modal views like the UIActivityViewController. An issue arises when you want to dismiss this controller by tapping outside its visible area. If you’ve ever faced this challenge, you’re not alone! In this guide, we will walk through how to achieve this functionality effortlessly.

The Problem

You may have encountered a scenario where after presenting the UIActivityViewController, you wish to allow users to dismiss it by tapping in the area above (or outside) its view. However, setting the isModalInPresentation property to true disables the ability to touch outside the view to dismiss the controller. This can lead to a frustrating user experience where users feel stuck, having to rely on the provided buttons to dismiss the controller.

The Solution

The good news is that there's a simple solution to this problem. By carefully setting up the modal presentation, you can enable taps outside the UIActivityViewController to dismiss it. Let's break down the solution into clear sections.

Step 1: Set Up the UIActivityViewController

Here’s a concise snippet of how to implement your UIActivityViewController correctly without setting isModalInPresentation to true:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Understanding the Key Settings

isModalInPresentation: Do not set this property to true. Doing so prevents the UIActivityViewController from responding to taps outside its bounds, effectively disabling dismissing it by tapping outside.

Popover Presentation: Properly configure your popover settings, especially for iPad. Make sure you define a source view and the source rectangle, so the popover appears correctly.

Step 3: Testing the Implementation

After setting up your UIActivityViewController as shown, run your application and test tapping outside of the modal. You should now be able to dismiss it seamlessly without any interruptions or additional actions.

Conclusion

Dismissing the UIActivityViewController by tapping outside the view can drastically enhance user experience in your iOS applications. By following the guidelines in this post, you've learned how to avoid common pitfalls related to modal presentations, particularly around tapping gestures. Don’t forget to test your implementation across different devices, especially when dealing with popovers on iPads.

Feel free to reach out if you have any questions or want to share your experiences with implementing UIActivityViewController in your projects! Happy coding!