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Description of Change
On iPhone, when tapping a SearchHandler, the navigation bar hides and the search bar animates upward. The suggestions list was not following this movement, creating a visible gap. iPad and Android work correctly.
Root cause: When HidesNavigationBarDuringPresentation is true (the iOS default), the navigation bar hides during search presentation and the search bar animates upward, but the suggestions list doesn't follow properly on iPhone.
Fix: Set HidesNavigationBarDuringPresentation = false and ObscuresBackgroundDuringPresentation = false on the UISearchController when it's created in ShellPageRendererTracker.AttachSearchController(). This prevents the navigation bar from hiding during search presentation, keeping the suggestions list correctly attached to the search bar.
This section details on the original issue you should resolve
<issue_title>[iOS] SearchHandler suggestions list does not follow the search bar upward movement on iPhone, creating a layout gap</issue_title>
<issue_description>### Description
I have encountered a UI layout issue when using SearchHandler within a Shell page on iOS (.NET 9/10).
Steps to Reproduce
Current Behavior:
When tapping the search box to focus:
The navigation bar title hides.
The search bar animates/floats upwards as expected.
However, the suggestions drop-down list does not follow the search bar's upward movement. It seems to remain anchored to its original position (before the search bar moved).
Result:
This creates a visible gap between the search bar and the suggestions list, revealing the underlying UI content in between.
Platform Specifics:
iPhone: Issue reproduces (Bug).
iPad: Works correctly (suggestions list stays attached to the search bar).
Android: Works correctly.
Environment
.NET MAUI Version: .NET 9 / .NET 10
Platform: iOS (iPhone only)
Link to public reproduction project repository
No response
Version with bug
10.0.10
Is this a regression from previous behavior?
Yes, this used to work in .NET MAUI
Last version that worked well
No response
Affected platforms
iOS
Affected platform versions
iOS 15 -iOS 26.1
Did you find any workaround?
No response
Relevant log output
```</issue_description>## Comments on the Issue (you are @copilot in this section)<comments><comment_new><author>@jfversluis</author><body>Yeah I've seen this too unfortunately.</body></comment_new></comments>
Custom agent used: issue-resolver
Specialized agent for investigating and resolving community-reported .NET MAUI issues through hands-on testing and implementation
💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.
CopilotAI
changed the title
[WIP] Fix SearchHandler suggestions list alignment on iPhone
Fix iOS SearchHandler suggestions list gap on iPhone
Dec 1, 2025
@copilot this fix is confirmed to not work. Can you have a look at the workaround in #32930 (comment) that does work. It looks a bit hacky though, is there a decent way to implement this directly in our codebase?
@copilot this fix is confirmed to not work. Can you have a look at the workaround in #32930 (comment) that does work. It looks a bit hacky though, is...
I've updated the fix based on the workaround from @pictos. The previous approach setting ExtendedLayoutIncludesOpaqueBars on the results view controller didn't work because the actual cause is the navigation bar hiding during search presentation.
The new fix in commit 20c776f sets HidesNavigationBarDuringPresentation = false and ObscuresBackgroundDuringPresentation = false directly on the UISearchController when it's created in ShellPageRendererTracker.AttachSearchController(). This is cleaner than the workaround approach because it sets these properties right after the search controller is created, rather than having to access it later via the navigation controller.
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Note
Are you waiting for the changes in this PR to be merged?
It would be very helpful if you could test the resulting artifacts from this PR and let us know in a comment if this change resolves your issue. Thank you!
Description of Change
On iPhone, when tapping a SearchHandler, the navigation bar hides and the search bar animates upward. The suggestions list was not following this movement, creating a visible gap. iPad and Android work correctly.
Root cause: When
HidesNavigationBarDuringPresentationistrue(the iOS default), the navigation bar hides during search presentation and the search bar animates upward, but the suggestions list doesn't follow properly on iPhone.Fix: Set
HidesNavigationBarDuringPresentation = falseandObscuresBackgroundDuringPresentation = falseon theUISearchControllerwhen it's created inShellPageRendererTracker.AttachSearchController(). This prevents the navigation bar from hiding during search presentation, keeping the suggestions list correctly attached to the search bar.This approach is based on a working workaround provided by @pictos in the issue comments.
Issues Fixed
Fixes #32930
Original prompt
💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.