[iOS, MacCatalyst] Fix Image and ImageButton BackgroundColor does not reset when set to null #36427
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devanathan-vaithiyanathan wants to merge 7 commits into
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[iOS, MacCatalyst] Fix Image and ImageButton BackgroundColor does not reset when set to null #36427devanathan-vaithiyanathan wants to merge 7 commits into
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🚀 Dogfood this PR with:
curl -fsSL https://raw.githubusercontent.com/dotnet/maui/main/eng/scripts/get-maui-pr.sh | bash -s -- 36427Or
iex "& { $(irm https://raw.githubusercontent.com/dotnet/maui/main/eng/scripts/get-maui-pr.ps1) } 36427" |
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Expert Review — 2 findings
See inline comments for details.
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Pull request overview
Fixes iOS/MacCatalyst behavior where Image/ImageButton retain a previously-applied native background after the cross-platform background is cleared (set to null/empty), and adds a UITest repro.
Changes:
- Add iOS-specific
Image/ImageButtonbackground mapping logic that explicitly removes the background layer and resets the nativeBackgroundColorwhen the background is cleared. - Update handler property mappers so iOS/MacCatalyst participate in background mapping for
ImageandImageButton. - Add a HostApp repro page and a visual regression UITest for issue #36302.
Reviewed changes
Copilot reviewed 6 out of 8 changed files in this pull request and generated 7 comments.
Show a summary per file
| File | Description |
|---|---|
| src/Core/src/Handlers/ImageButton/ImageButtonHandler.iOS.cs | Adds iOS MapBackground logic for ImageButton to clear native background when the cross-platform background is empty. |
| src/Core/src/Handlers/ImageButton/ImageButtonHandler.cs | Enables Background mapping for ImageButton on iOS/MacCatalyst (in addition to Android/Windows). |
| src/Core/src/Handlers/Image/ImageHandler.iOS.cs | Updates iOS MapBackground to explicitly clear the native background when the cross-platform background is empty. |
| src/Core/src/Handlers/Image/ImageHandler.cs | Moves/expands Background mapper wiring so iOS/MacCatalyst can invoke MapBackground. |
| src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue36302.cs | Adds a new visual regression UITest that clears backgrounds and verifies via screenshot. |
| src/Controls/tests/TestCases.HostApp/Issues/Issue36302.cs | Adds a HostApp repro page that sets and clears Image/ImageButton background at runtime. |
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Could you please check the ai's suggestions?
Comment on lines
23
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| public static void MapBackground(IImageHandler handler, IImage image) | ||
| { | ||
| handler.UpdateValue(nameof(IViewHandler.ContainerView)); | ||
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| handler.ToPlatform().UpdateBackground(image); | ||
| var platformView = handler.ToPlatform(); |
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| //TODO : Make it public in NET 11. | ||
| internal static void MapBackground(IImageButtonHandler handler, IImageButton imageButton) | ||
| { | ||
| var platformView = handler.PlatformView; | ||
|
|
||
| if (platformView is null) | ||
| return; | ||
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| if (imageButton.Background.IsNullOrEmpty()) | ||
| { | ||
| platformView.RemoveBackgroundLayer(); | ||
| platformView.BackgroundColor = UIColor.Clear; | ||
| } | ||
| else | ||
| { | ||
| platformView.UpdateBackground(imageButton); | ||
| } | ||
| } |
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@kubaflo , I have addressed the suggestions |
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Expert Review — 3 findings
See inline comments for details.
| } | ||
| else | ||
| { | ||
| platformView.UpdateBackground(image); |
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🔍 AI-Generated Review (multi-model)
[major] Handler Mapper and Property Patterns — The new Image-specific mapper handles non-null backgrounds by calling platformView.UpdateBackground(image) directly, which bypasses ViewHandler.MapBackground's ImageSourcePaint path (UpdateBackgroundImageSourceAsync). Concrete scenario: setting Image.Background to an ImageSourcePaint on iOS/MacCatalyst now removes any previous background layer and never loads/inserts the image background. Please delegate the non-null case through the base view mapper (while preserving the container invalidation) or explicitly keep the ImageSourcePaint handling.
| } | ||
| else | ||
| { | ||
| platformView.UpdateBackground(imageButton); |
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🔍 AI-Generated Review (multi-model)
[major] Handler Mapper and Property Patterns — This non-null branch calls platformView.UpdateBackground(imageButton) directly, so the ImageSourcePaint handling in ViewHandler.MapBackground is skipped for iOS/MacCatalyst ImageButton backgrounds. ViewExtensions.UpdateBackground only handles solid/gradient paints; an image background is removed and never loaded. Please route the non-null case through the base mapper or explicitly preserve the async image-background path.
| { | ||
| App.WaitForElement("ClearBackgroundsButton"); | ||
| App.Tap("ClearBackgroundsButton"); | ||
| VerifyScreenshot(); |
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🔍 AI-Generated Review (multi-model)
[major] Regression Prevention — This adds a screenshot assertion for an issue marked iOS/MacCatalyst, but the PR only adds Android and Windows baselines. The affected iOS/MacCatalyst test run has no snapshot to compare against, so the gate fails before validating the fix. Please add the iOS/MacCatalyst baseline(s) or scope the screenshot test to platforms with committed baselines.
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AI Review Summary
@devanathan-vaithiyanathan — new AI review results are available based on this last commit:
c8e637e. To request a fresh review after new comments or commits, comment/review rerun.
🗂️ Review Sessions — click to expand
🚦 Gate — Test Before & After Fix
Gate Result: ❌ FAILED
Platform: IOS · Base: main · Merge base: c03ff77c
🩺 Fix does not pass the tests — every test still fails after applying the fix. The PR's change does not resolve the failure(s).
| Test | Without Fix (expect FAIL) | With Fix (expect PASS) |
|---|---|---|
🖥️ Issue36302 Issue36302 |
✅ FAIL — 233s | ❌ FAIL — 96s |
🔴 Without fix — 🖥️ Issue36302: FAIL ✅ · 233s
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Optimizing assemblies for size may change the behavior of the app. Be sure to test after publishing. See: https://aka.ms/dotnet-illink
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Build succeeded.
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VSTest version 18.0.1 (arm64)
Starting test execution, please wait...
A total of 1 test files matched the specified pattern.
[xUnit.net 00:00:00.00] xUnit.net VSTest Adapter v2.8.2+699d445a1a (64-bit .NET 10.0.0)
[xUnit.net 00:00:00.05] Discovering: Controls.TestCases.iOS.Tests
[xUnit.net 00:00:00.16] Discovered: Controls.TestCases.iOS.Tests
NUnit Adapter 4.5.0.0: Test execution started
Running selected tests in /Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.TestCases.iOS.Tests/Debug/net10.0/Controls.TestCases.iOS.Tests.dll
NUnit3TestExecutor discovered 1 of 1 NUnit test cases using Current Discovery mode, Non-Explicit run
>>>>> 7/10/2026 6:32:32 AM FixtureSetup for Issue36302(iOS)
>>>>> 7/10/2026 6:32:36 AM ImageAndImageButtonBackgroundClearsWhenSetToNull Start
>>>>> 7/10/2026 6:32:38 AM ImageAndImageButtonBackgroundClearsWhenSetToNull Stop
>>>>> 7/10/2026 6:32:38 AM Log types: syslog, crashlog, performance, safariConsole, safariNetwork, server
Failed ImageAndImageButtonBackgroundClearsWhenSetToNull [2 s]
Error Message:
VisualTestUtils.VisualTestFailedException :
Baseline snapshot not yet created: /Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.TestCases.iOS.Tests/Debug/net10.0/snapshots/ios-26/ImageAndImageButtonBackgroundClearsWhenSetToNull.png
Ensure new snapshot is correct: /Users/cloudtest/vss/_work/1/a/Controls.TestCases.Shared.Tests/snapshots-diff/ios-26/ImageAndImageButtonBackgroundClearsWhenSetToNull.png
and if it is, push a change to add it to the 'snapshots' directory.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
Stack Trace:
at VisualTestUtils.VisualRegressionTester.Fail(String message) in /_/src/TestUtils/src/VisualTestUtils/VisualRegressionTester.cs:line 162
at VisualTestUtils.VisualRegressionTester.VerifyMatchesSnapshot(String name, ImageSnapshot actualImage, String environmentName, ITestContext testContext) in /_/src/TestUtils/src/VisualTestUtils/VisualRegressionTester.cs:line 84
at Microsoft.Maui.TestCases.Tests.UITest.<VerifyScreenshot>g__Verify|13_0(String name, <>c__DisplayClass13_0&) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 477
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 309
at Microsoft.Maui.TestCases.Tests.Issues.Issue36302.ImageAndImageButtonBackgroundClearsWhenSetToNull() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue36302.cs:line 18
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
NUnit Adapter 4.5.0.0: Test execution complete
Results File: /Users/cloudtest/vss/_work/1/s/CustomAgentLogsTmp/UITests/TestResults/Issue36302.trx
Test Run Failed.
Total tests: 1
Failed: 1
Total time: 1.1277 Minutes
>>> TRX_RESULT_FILE: /Users/cloudtest/vss/_work/1/s/CustomAgentLogsTmp/UITests/TestResults/Issue36302.trx
🟢 With fix — 🖥️ Issue36302: FAIL ❌ · 96s
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Optimizing assemblies for size may change the behavior of the app. Be sure to test after publishing. See: https://aka.ms/dotnet-illink
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Build succeeded.
/Users/cloudtest/vss/_work/1/s/.dotnet/packs/Microsoft.iOS.Sdk.net10.0_26.0/26.0.11017/targets/Xamarin.Shared.Sdk.targets(309,3): warning : RuntimeIdentifier was set on the command line, and will override the value for RuntimeIdentifiers set in the project file. [/Users/cloudtest/vss/_work/1/s/src/Controls/tests/TestCases.HostApp/Controls.TestCases.HostApp.csproj::TargetFramework=net10.0-ios]
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Restored /Users/cloudtest/vss/_work/1/s/src/Controls/src/BindingSourceGen/Controls.BindingSourceGen.csproj (in 384 ms).
Restored /Users/cloudtest/vss/_work/1/s/src/Essentials/src/Essentials.csproj (in 400 ms).
Restored /Users/cloudtest/vss/_work/1/s/src/Graphics/src/Graphics/Graphics.csproj (in 401 ms).
Restored /Users/cloudtest/vss/_work/1/s/src/Controls/src/Core/Controls.Core.csproj (in 422 ms).
Restored /Users/cloudtest/vss/_work/1/s/src/Core/src/Core.csproj (in 433 ms).
8 of 13 projects are up-to-date for restore.
##vso[build.updatebuildnumber]10.0.90-ci+azdo.14622092
Graphics -> /Users/cloudtest/vss/_work/1/s/artifacts/bin/Graphics/Debug/net10.0/Microsoft.Maui.Graphics.dll
Controls.CustomAttributes -> /Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.CustomAttributes/Debug/net10.0/Controls.CustomAttributes.dll
##vso[build.updatebuildnumber]10.0.90-ci+azdo.14622092
Essentials -> /Users/cloudtest/vss/_work/1/s/artifacts/bin/Essentials/Debug/net10.0/Microsoft.Maui.Essentials.dll
##vso[build.updatebuildnumber]10.0.90-ci+azdo.14622092
Core -> /Users/cloudtest/vss/_work/1/s/artifacts/bin/Core/Debug/net10.0/Microsoft.Maui.dll
Controls.BindingSourceGen -> /Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.BindingSourceGen/Debug/netstandard2.0/Microsoft.Maui.Controls.BindingSourceGen.dll
##vso[build.updatebuildnumber]10.0.90-ci+azdo.14622092
Controls.Core -> /Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.Core/Debug/net10.0/Microsoft.Maui.Controls.dll
UITest.Core -> /Users/cloudtest/vss/_work/1/s/artifacts/bin/UITest.Core/Debug/net10.0/UITest.Core.dll
VisualTestUtils -> /Users/cloudtest/vss/_work/1/s/artifacts/bin/VisualTestUtils/Debug/netstandard2.0/VisualTestUtils.dll
UITest.NUnit -> /Users/cloudtest/vss/_work/1/s/artifacts/bin/UITest.NUnit/Debug/net10.0/UITest.NUnit.dll
UITest.Appium -> /Users/cloudtest/vss/_work/1/s/artifacts/bin/UITest.Appium/Debug/net10.0/UITest.Appium.dll
VisualTestUtils.MagickNet -> /Users/cloudtest/vss/_work/1/s/artifacts/bin/VisualTestUtils.MagickNet/Debug/netstandard2.0/VisualTestUtils.MagickNet.dll
UITest.Analyzers -> /Users/cloudtest/vss/_work/1/s/artifacts/bin/UITest.Analyzers/Debug/netstandard2.0/UITest.Analyzers.dll
Controls.TestCases.iOS.Tests -> /Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.TestCases.iOS.Tests/Debug/net10.0/Controls.TestCases.iOS.Tests.dll
Test run for /Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.TestCases.iOS.Tests/Debug/net10.0/Controls.TestCases.iOS.Tests.dll (.NETCoreApp,Version=v10.0)
VSTest version 18.0.1 (arm64)
Starting test execution, please wait...
A total of 1 test files matched the specified pattern.
[xUnit.net 00:00:00.00] xUnit.net VSTest Adapter v2.8.2+699d445a1a (64-bit .NET 10.0.0)
[xUnit.net 00:00:00.04] Discovering: Controls.TestCases.iOS.Tests
[xUnit.net 00:00:00.15] Discovered: Controls.TestCases.iOS.Tests
NUnit Adapter 4.5.0.0: Test execution started
Running selected tests in /Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.TestCases.iOS.Tests/Debug/net10.0/Controls.TestCases.iOS.Tests.dll
NUnit3TestExecutor discovered 1 of 1 NUnit test cases using Current Discovery mode, Non-Explicit run
>>>>> 7/10/2026 6:34:10 AM FixtureSetup for Issue36302(iOS)
>>>>> 7/10/2026 6:34:14 AM ImageAndImageButtonBackgroundClearsWhenSetToNull Start
>>>>> 7/10/2026 6:34:15 AM ImageAndImageButtonBackgroundClearsWhenSetToNull Stop
>>>>> 7/10/2026 6:34:15 AM Log types: syslog, crashlog, performance, safariConsole, safariNetwork, server
Failed ImageAndImageButtonBackgroundClearsWhenSetToNull [1 s]
Error Message:
VisualTestUtils.VisualTestFailedException :
Baseline snapshot not yet created: /Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.TestCases.iOS.Tests/Debug/net10.0/snapshots/ios-26/ImageAndImageButtonBackgroundClearsWhenSetToNull.png
Ensure new snapshot is correct: /Users/cloudtest/vss/_work/1/a/Controls.TestCases.Shared.Tests/snapshots-diff/ios-26/ImageAndImageButtonBackgroundClearsWhenSetToNull.png
and if it is, push a change to add it to the 'snapshots' directory.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
Stack Trace:
at VisualTestUtils.VisualRegressionTester.Fail(String message) in /_/src/TestUtils/src/VisualTestUtils/VisualRegressionTester.cs:line 162
at VisualTestUtils.VisualRegressionTester.VerifyMatchesSnapshot(String name, ImageSnapshot actualImage, String environmentName, ITestContext testContext) in /_/src/TestUtils/src/VisualTestUtils/VisualRegressionTester.cs:line 84
at Microsoft.Maui.TestCases.Tests.UITest.<VerifyScreenshot>g__Verify|13_0(String name, <>c__DisplayClass13_0&) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 477
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 309
at Microsoft.Maui.TestCases.Tests.Issues.Issue36302.ImageAndImageButtonBackgroundClearsWhenSetToNull() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue36302.cs:line 18
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
NUnit Adapter 4.5.0.0: Test execution complete
Results File: /Users/cloudtest/vss/_work/1/s/CustomAgentLogsTmp/UITests/TestResults/Issue36302.trx
Test Run Failed.
Total tests: 1
Failed: 1
Total time: 21.8050 Seconds
>>> TRX_RESULT_FILE: /Users/cloudtest/vss/_work/1/s/CustomAgentLogsTmp/UITests/TestResults/Issue36302.trx
⚠️ Failure Details
- ❌ Issue36302 FAILED with fix (should pass)
ImageAndImageButtonBackgroundClearsWhenSetToNull [1 s]VisualTestUtils.VisualTestFailedException : Baseline snapshot not yet created: /Users/cloudtest/vss/_work/1/s/artifacts/bin/Controls.TestCases.iOS.Tests/Debug/net10.0/snapshots/ios-26/ImageAndImageBu...
📁 Fix files reverted (4 files)
src/Core/src/Handlers/Image/ImageHandler.cssrc/Core/src/Handlers/Image/ImageHandler.iOS.cssrc/Core/src/Handlers/ImageButton/ImageButtonHandler.cssrc/Core/src/Handlers/ImageButton/ImageButtonHandler.iOS.cs
📱 UI Tests — Image,ViewBaseTests
Detected UI test categories: Image,ViewBaseTests
❌ Deep UI tests — 24 passed, 134 failed across 2 categories on platform-pool agent (replaces in-process counts above).
🧪 UI Test Execution Results (deep, platform pool)
| Category | Tests | Snapshot diffs |
|---|---|---|
Image |
11/48 (35 ❌) | 68 diff PNGs |
ViewBaseTests |
13/112 (99 ❌) | 198 diff PNGs |
❌ Image — 35 failed tests
VerifyImageWithShadow
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyImageWithShadow() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 358
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.Runtime
...
LoadAndVerifyGif
System.InvalidOperationException :
Snapshot different than baseline: LoadAndVerifyGif.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: LoadAndVerifyGif.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build
...
ImageRespectsVerticalAndHorizontalOptionsWithAspectFit
System.InvalidOperationException :
Snapshot different than baseline: ImageRespectsVerticalAndHorizontalOptionsWithAspectFit.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: ImageRespectsVerticalAndHorizontalOptionsWithAspectFit.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug)
...
VerifyImageAspect_AspectFitWithImageSourceFromUri
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyImageAspect_AspectFitWithImageSourceFromUri() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 63
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
VerifyImageAspect_AspectFitWithImageSourceFromStream
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyImageAspect_AspectFitWithImageSourceFromStream() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 79
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
Issue30440ImageShouldClipCorrectly
System.InvalidOperationException :
Snapshot different than baseline: Issue30440ImageShouldClipCorrectly.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: Issue30440ImageShouldClipCorrectly.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See te
...
DownSizeImageAppearProperly
System.InvalidOperationException :
Snapshot different than baseline: DownSizeImageAppearProperly.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: DownSizeImageAppearProperly.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment
...
IsAnimationPlaying
System.InvalidOperationException :
Snapshot different than baseline: ImageUITests_IsAnimationPlaying_No.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: ImageUITests_IsAnimationPlaying_No.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See te
...
VerifyImageAspect_FillWithImageSourceFromUri
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyImageAspect_FillWithImageSourceFromUri() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 208
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at Sy
...
ImageShouldScaleProperly
System.InvalidOperationException :
Snapshot different than baseline: ImageShouldScaleProperly.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: ImageShouldScaleProperly.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or dow
...
LoadAndVerifyJpg
System.InvalidOperationException :
Snapshot different than baseline: LoadAndVerifyJpg.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: LoadAndVerifyJpg.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build
...
VerifyImageAspect_AspectFillWithImageSourceFromUri
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyImageAspect_AspectFillWithImageSourceFromUri() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 143
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
VerifyImageAspect_AspectFillWithImageSourceFromStream
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyImageAspect_AspectFillWithImageSourceFromStream() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 159
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
VerifyImageAspect_FillWithImageSourceFromStream
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyImageAspect_FillWithImageSourceFromStream() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 95
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at
...
VerifyImageAspect_CenterWithImageSourceFromFontImage
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyImageAspect_CenterWithImageSourceFromFontImage() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 290
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
ImageDoesntDisappearWhenNavigatingBack
System.InvalidOperationException :
Snapshot different than baseline: ImageDoesntDisappearWhenNavigatingBack.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: ImageDoesntDisappearWhenNavigatingBack.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image
...
VerifyImageAspects
System.InvalidOperationException :
Snapshot different than baseline: VerifyImageAspects.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: VerifyImageAspects.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the bu
...
VerifyImageAspect_CenterWithImageSourceFromUri
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyImageAspect_CenterWithImageSourceFromUri() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 256
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at
...
VerifyFontImageWithFontSize
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyFontImageWithFontSize() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 325
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
VerifyImageFlowDirectionRTL
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyImageFlowDirectionRTL() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 375
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.R
...
VerifyImageAspect_CenterWithImageSourceFromFile
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyImageAspect_CenterWithImageSourceFromFile() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 240
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
VerifyImageAspect_AspectFitWithImageSourceFromFontImage
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyImageAspect_AspectFitWithImageSourceFromFontImage() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 111
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
VerifyImageAspect_AspectFillWithImageSourceFromFile
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyImageAspect_AspectFillWithImageSourceFromFile() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 127
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
Source_FontImageSource
System.InvalidOperationException :
Snapshot different than baseline: ImageUITests_Source_FontImageSource_FontAwesome.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: ImageUITests_Source_FontImageSource_FontAwesome.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update
...
VerifyImageAspect_CenterWithImageSourceFromStream
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyImageAspect_CenterWithImageSourceFromStream() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 273
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
VerifyImageAspect_FillWithImageSourceFromFile
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyImageAspect_FillWithImageSourceFromFile() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 192
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at S
...
ImageDoesNotDisappearWhenSwitchingTab
System.InvalidOperationException :
Snapshot different than baseline: ImageDoesNotDisappearWhenSwitchingTab.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: ImageDoesNotDisappearWhenSwitchingTab.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
...
VerifyImageAspect_AspectFitWithImageSourceFromFile
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ImageFeatureTests.VerifyImageAspect_AspectFitWithImageSourceFromFile() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ImageFeatureTests.cs:line 47
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
LoadAndVerifySvg
System.InvalidOperationException :
Snapshot different than baseline: LoadAndVerifySvg.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: LoadAndVerifySvg.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build
...
ImageShouldLoadFromSubfolder
System.InvalidOperationException :
Snapshot different than baseline: ImageShouldLoadFromSubfolder.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: ImageShouldLoadFromSubfolder.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachmen
...
(+5 more — see TRX in artifact)
❌ ViewBaseTests — 99 failed tests
ImageButton_ClipWithScale
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ClipFeatureTests.ImageButton_ClipWithScale() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ClipFeatureTests.cs:line 948
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.Runti
...
ContentView_ClipWithShadow
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ClipFeatureTests.ContentView_ClipWithShadow() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ClipFeatureTests.cs:line 586
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.Runt
...
Image_ClipWithQuadraticBezierSegmentPath
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ClipFeatureTests.Image_ClipWithQuadraticBezierSegmentPath() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ClipFeatureTests.cs:line 431
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.R
...
VisualTransform_RotationYWithScaleY
System.InvalidOperationException :
Snapshot different than baseline: VisualTransform_RotationYWithScaleY.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: VisualTransform_RotationYWithScaleY.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See
...
VisualTransform_RotationWithRotationX
System.InvalidOperationException :
Snapshot different than baseline: VisualTransform_RotationWithRotationX.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: VisualTransform_RotationWithRotationX.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
...
VisualTransform_AnchorXWithAnchorY
System.InvalidOperationException :
Snapshot different than baseline: VisualTransform_AnchorXWithAnchorY.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: VisualTransform_AnchorXWithAnchorY.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See te
...
Image_ClipWithArcSegmentPath
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ClipFeatureTests.Image_ClipWithArcSegmentPath() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ClipFeatureTests.cs:line 367
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.Ru
...
DarkTheme_EntryAndPlaceholderColor_VerifyVisualState
System.InvalidOperationException :
Snapshot different than baseline: DarkTheme_EntryAndPlaceholderColor_VerifyVisualState.png (size differs - baseline is 1124x1126 pixels, actual is 1206x1312 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: DarkTheme_EntryAndPlaceholderColor_VerifyVisualState.png (size differs - baseline is 1124x1126 pixels, actual is 1206x1312 pixels)
If the correct baseline has changed (this isn't a a bug), th
...
Border_ClipWithStrokeColorGreen
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ClipFeatureTests.Border_ClipWithStrokeColorGreen() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ClipFeatureTests.cs:line 90
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.
...
Button_ClipNull_NoCrash
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ClipFeatureTests.Button_ClipNull_NoCrash() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ClipFeatureTests.cs:line 755
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.Runtime
...
VisualTransform_RotationXWithRotationY
System.InvalidOperationException :
Snapshot different than baseline: VisualTransform_RotationXWithRotationY.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: VisualTransform_RotationXWithRotationY.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image
...
VisualTransform_ScaleY
System.InvalidOperationException :
Snapshot different than baseline: VisualTransform_ScaleY.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: VisualTransform_ScaleY.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or downloa
...
FirstCustomPageWithCardColorChanged
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ContentViewFeatureTests.FirstCustomPageWithCardColorChanged() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ContentViewFeatureTests.cs:line 289
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at
...
BoxView_ClipWithShadow
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ClipFeatureTests.BoxView_ClipWithShadow() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ClipFeatureTests.cs:line 197
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.RuntimeM
...
DarkTheme_CheckBox_VerifyVisualState
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.AppThemeFeatureTests.DarkTheme_CheckBox_VerifyVisualState() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/AppThemeFeatureTests.cs:line 67
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
VerifyBackgroundColorCleared
System.InvalidOperationException :
Snapshot different than baseline: VerifyBackgroundColorCleared.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: VerifyBackgroundColorCleared.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachmen
...
VisualTransform_RotationX
System.InvalidOperationException :
Snapshot different than baseline: VisualTransform_RotationX.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: VisualTransform_RotationX.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or d
...
VisualTransform_Rotation
System.InvalidOperationException :
Snapshot different than baseline: VisualTransform_Rotation.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: VisualTransform_Rotation.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or dow
...
ContentView_ClipWithNestedClippedContent
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ClipFeatureTests.ContentView_ClipWithNestedClippedContent() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ClipFeatureTests.cs:line 971
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.R
...
FirstCustomPageWithBackgroundColor
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ContentViewFeatureTests.FirstCustomPageWithBackgroundColor() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ContentViewFeatureTests.cs:line 216
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at
...
Border_ClipWithNestedContent
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ClipFeatureTests.Border_ClipWithNestedContent() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ClipFeatureTests.cs:line 997
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.Ru
...
Image_ClipNull_NoCrash
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ClipFeatureTests.Image_ClipNull_NoCrash() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ClipFeatureTests.cs:line 725
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.RuntimeM
...
DarkTheme_DatePicker_VerifyVisualState
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.AppThemeFeatureTests.DarkTheme_DatePicker_VerifyVisualState() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/AppThemeFeatureTests.cs:line 105
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
FirstCustomPageWithIconImageChanged
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ContentViewFeatureTests.FirstCustomPageWithIconImageChanged() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ContentViewFeatureTests.cs:line 274
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at
...
Button_ClipWithText
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ClipFeatureTests.Button_ClipWithText() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ClipFeatureTests.cs:line 243
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.RuntimeMeth
...
DarkTheme_Switch_VerifyVisualState
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.AppThemeFeatureTests.DarkTheme_Switch_VerifyVisualState() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/AppThemeFeatureTests.cs:line 197
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System
...
Image_ClipWithBezierSegmentPath
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ClipFeatureTests.Image_ClipWithBezierSegmentPath() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ClipFeatureTests.cs:line 383
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection
...
ContentView_ClipWithRoundRectangleGeometry
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ClipFeatureTests.ContentView_ClipWithRoundRectangleGeometry() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ClipFeatureTests.cs:line 565
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System
...
VisualTransform_IsVisible
System.InvalidOperationException :
Snapshot different than baseline: VisualTransform_IsVisible.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or download the build artifacts to get the new snapshot file.
More info: https://aka.ms/visual-test-workflow
iOS 26 visual tests require an iPhone 11 Pro simulator for correct screen resolution.
To create the simulator, run:
xcrun simctl create "iPhone 11 Pro" com.apple.CoreSimulator.SimDeviceType.iPhone-11-Pro com.apple.CoreSimulator.SimRuntime.iOS-26-0
Then run the tests targeting the new simulator.
----> VisualTestUtils.VisualTestFailedException :
Snapshot different than baseline: VisualTransform_IsVisible.png (size differs - baseline is 1124x2286 pixels, actual is 1206x2472 pixels)
If the correct baseline has changed (this isn't a a bug), then update the baseline image.
See test attachment or d
...
ImageButton_ClipWithShadow
System.InvalidOperationException : Unable to extract difference percentage from exception message.
at Microsoft.Maui.TestCases.Tests.UITest.VerifyScreenshot(String name, Nullable`1 retryDelay, Nullable`1 retryTimeout, Int32 cropLeft, Int32 cropRight, Int32 cropTop, Int32 cropBottom, Double tolerance) in /_/src/Controls/tests/TestCases.Shared.Tests/UITest.cs:line 296
at Microsoft.Maui.TestCases.Tests.ClipFeatureTests.ImageButton_ClipWithShadow() in /_/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/ClipFeatureTests.cs:line 662
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
at System.Reflection.Runt
...
(+69 more — see TRX in artifact)
📎 Download drop-deep-uitests artifact (TRX + snapshot diffs)
📋 Pre-Flight — Context & Validation
Issue: #36302 - [iOS, MacCatalyst] Image and ImageButton BackgroundColor does not reset when set to null
PR: #36427 - [iOS, MacCatalyst] Fix Image and ImageButton BackgroundColor does not reset when set to null
Platforms Affected: iOS, MacCatalyst
Files Changed: 4 implementation, 4 test
Key Findings
- The linked issue reports that
BackgroundColor = nullleaves the previously-set color visible on iOS/MacCatalyst forImageandImageButton. - The PR fixes this by adding iOS/MacCatalyst background mapper entries, then explicitly removing the background layer and clearing native background color when
Backgroundis null/empty. - The PR adds an Issue36302 UI screenshot test and Android/Windows baselines, but no iOS/MacCatalyst baselines for the affected platforms.
- GitHub CLI is unauthenticated in this environment; public API/local branch context was used where possible, and required-check status could not be authoritatively queried.
Code Review Summary
Verdict: NEEDS_CHANGES
Confidence: low
Errors: 2 | Warnings: 1 | Suggestions: 0
Key code review findings:
- ✗
ImageSourcePaintbackgrounds regress on iOS/MacCatalyst because the new custom mappers bypass the baseViewHandler.MapBackgroundasync image-background path:src/Core/src/Handlers/Image/ImageHandler.iOS.cs:27,src/Core/src/Handlers/ImageButton/ImageButtonHandler.iOS.cs:65. - ✗ The new screenshot test targets iOS/MacCatalyst behavior but lacks iOS/MacCatalyst screenshot baselines:
src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue36302.cs:18. - ⚠ The screenshot test captures immediately after tapping and may race rendering;
VerifyScreenshot(retryTimeout:)would be safer:src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue36302.cs:18. - Failure mode:
Image.Background = new ImageSourcePaint(...)andImageButton.Background = ImageSourcePaintmay no longer render the background image because non-null backgrounds route throughUIView.UpdateBackgroundinstead ofUpdateBackgroundImageSourceAsync. - Blast radius: the mapper change runs for every iOS/MacCatalyst
ImageandImageButtonbackground update; no startup/static-state risk was found.
Fix Candidates
| # | Source | Approach | Test Result | Files Changed | Notes |
|---|---|---|---|---|---|
| PR | PR #36427 | Add iOS/MacCatalyst background mappings; when background is null/empty, remove MAUI background layer and clear native background color; otherwise call platform UpdateBackground. |
❌ FAILED (Gate) | ImageHandler.cs, ImageHandler.iOS.cs, ImageButtonHandler.cs, ImageButtonHandler.iOS.cs, Issue36302 UI test/snapshots |
Original PR; review found ImageSourcePaint regression and missing affected-platform baselines. |
🔬 Code Review — Deep Analysis
Code Review — PR #36427
Independent Assessment
What this changes: Adds iOS/MacCatalyst Background mapping for Image and ImageButton, explicitly removing MAUI background layers and clearing native background color when set to null. Adds an Issue36302 screenshot UI test.
Inferred motivation: UIView.UpdateBackground removes layers but can leave prior native background color visible for UIImageView/UIButton when background becomes null.
Reconciliation with PR Narrative
Author claims: Fixes BackgroundColor = null not visually clearing on Image/ImageButton for iOS/MacCatalyst.
Agreement/disagreement: The null-clear path matches the claim, and earlier wrapper/public-API/test-property issues were mostly addressed. However, the current custom mappers bypass the base ViewHandler.MapBackground ImageSourcePaint path, and the added visual test still lacks iOS/Mac baselines.
Prior Review Reconciliation
| Prior ❌ Error Finding | Source | Status | Evidence |
|---|---|---|---|
Public API analyzer failure for public ImageButtonHandler.MapBackground |
MauiBot | ✅ Fixed | Current method is internal static at ImageButtonHandler.iOS.cs:51. |
ImageButton mapper targeted wrapper via ToPlatform() |
MauiBot/Copilot | ✅ Fixed | Current code uses handler.PlatformView at ImageButtonHandler.iOS.cs:53. |
Unconditional ImageHandler.MapBackground broke non-platform builds |
Copilot | ✅ Fixed | Current mapper is platform-guarded at ImageHandler.cs:27-29. |
| Missing null check / wrong UIButton clear color | Copilot | ✅ Fixed | Current code null-checks and uses UIColor.Clear at ImageButtonHandler.iOS.cs:55-62. |
Test used Background instead of BackgroundColor |
Copilot | ✅ Fixed | Current repro sets/clears BackgroundColor at Issue36302.cs:15,24,35-36. |
| Missing iOS/Mac screenshot baselines | Copilot | ❌ Unresolved | Only Android/Windows baselines exist; no TestCases.iOS.Tests or TestCases.Mac.Tests snapshot matched. |
New mappers drop ImageSourcePaint support |
Copilot | ❌ Unresolved | Current Image/ImageButton mappers call UIView.UpdateBackground, not UpdateBackgroundImageSourceAsync. |
Blast Radius Assessment
- Runs for all instances: Yes — every iOS/MacCatalyst
Image/ImageButtonbackground update. - Startup impact: Low — mapper registration only; no eager platform work.
- Static/shared state: None.
CI Status
- Required-check result: undetermined via required-check command;
gh pr checks --requiredfailed becauseghis unauthenticated. Public check-runs showmaui-pr/Build Analysis failing on current head. - Classification: Visible
maui-prfailures look infra/unrelated (Windows file-lock MSB4024 and unrelated MainThreadBridge test), but required-check state cannot be authoritatively verified. The missing iOS/Mac visual baselines are PR-caused if the new UI test runs there. - Action taken: Invoked
azdo-build-investigator;ci-analysisskill was unavailable. Confidence capped low.
Findings
❌ Error — ImageSourcePaint backgrounds regress on iOS/MacCatalyst
src/Core/src/Handlers/Image/ImageHandler.iOS.cs:27
src/Core/src/Handlers/ImageButton/ImageButtonHandler.iOS.cs:65
The new custom mappers bypass ViewHandler.MapBackground, which special-cases ImageSourcePaint and calls UpdateBackgroundImageSourceAsync(...).FireAndForget(handler). The replacement code routes non-null paints through UIView.UpdateBackground, whose iOS implementation handles solid/gradient backgrounds but not ImageSourcePaint. Existing Image/ImageButton background images can stop rendering.
❌ Error — New screenshot test lacks iOS/Mac baselines
src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue36302.cs:18
The issue and [Issue] metadata target iOS and MacCatalyst, but only Android and Windows snapshots were added. No matching iOS/Mac snapshot files exist, so the visual test will fail on the affected platforms with “Baseline snapshot not yet created.”
⚠️ Warning — Screenshot may race render after tap
src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue36302.cs:18
After tapping, the test immediately screenshots. Prefer VerifyScreenshot(retryTimeout: TimeSpan.FromSeconds(2)) for post-render visual changes.
Failure-Mode Probing
Image.Background = new ImageSourcePaint(...): current mapper skips the async image-background path, so the background image is not applied.ImageButton.Background = ImageSourcePaint: same regression;UIButton.UpdateBackgrounddoes not restore the base handler image-source behavior.- Null/default background during handler creation: safe; null branches remove background layer and clear native color.
- Handler disconnect/reconnect: no new subscriptions or static state, so no accumulation risk found.
Verdict: NEEDS_CHANGES
Confidence: low
Summary: The null-background fix direction is good, but the current implementation regresses ImageSourcePaint backgrounds and the new visual test is missing baselines for the affected platforms. CI is also not authoritatively green from this environment.
🛠️ Fix — Analysis & Comparison
Fix Candidates
| # | Source | Approach | Test Result | Files Changed | Notes |
|---|---|---|---|---|---|
| 1 | try-fix | Preserve ImageSourcePaint with explicit branch, then clear native background color for null/empty backgrounds. |
❌ Fail | 4 files | Build/deploy succeeded; iOS visual test failed because the affected-platform ios-26 baseline was missing. |
| 2 | try-fix | Delegate to ViewHandler.MapBackground, clear native background color for null/empty backgrounds, add generated iOS baseline. |
✅ Pass (test), rejected by expert review | 5 files | Passed UI test, but expert review found stale Image container state because UpdateValue(ContainerView) was removed. |
| 3 | try-fix | Delegate to ViewHandler.MapBackground, keep Image container invalidation, clear native background color for null/empty backgrounds, add generated iOS baseline. |
✅ Pass | 5 files | Best candidate; preserves ImageSourcePaint, fixes null clear, includes iOS baseline, and expert review found no high-confidence issues. |
| PR | PR #36427 | Add iOS/MacCatalyst custom background mappers that remove background layers and clear native background color when null, otherwise call UIKit UpdateBackground. |
❌ FAILED (Gate) | 8 files | Original PR; code review found ImageSourcePaint regression and missing affected-platform baselines. |
Cross-Pollination
| Model/Reviewer | Round | New Ideas? | Details |
|---|---|---|---|
| code-review + MAUI expert reviewer | 1 | Yes | Identified that alternatives must preserve ImageSourcePaint and include affected-platform baselines. |
| MAUI expert reviewer | 2 | Yes | Found Candidate 2 stale-container regression; required retaining handler.UpdateValue(nameof(IViewHandler.ContainerView)) in ImageHandler.MapBackground. |
| MAUI expert reviewer | 3 | No | Candidate 3 had no high-confidence findings; stale-container issue confirmed fixed. |
Exhausted: No — stopped because Candidate 3 passed the iOS regression test and expert review found no high-confidence issues.
Selected Fix: Candidate #3 — It is demonstrably better than PR #36427 because it preserves the existing core ImageSourcePaint background path, retains Image container lifecycle invalidation, clears native UIKit background color for the reported null case, and adds the missing iOS visual baseline required by the affected-platform test.
📝 Recommended PR Title & Description
Assessment: ✏️ Recommend updating — the current metadata describes the raw PR approach, but the winning fix should call out preserving the base ViewHandler.MapBackground pipeline and adding the affected iOS baseline.
Recommended title
[iOS, MacCatalyst] Image/ImageButton: Clear background when BackgroundColor is null
Recommended description
### Issue details
Setting BackgroundColor to null on Image and ImageButton controls does not reset/clear the background color on iOS and macOS (MacCatalyst). The previously set background color persists visually even though the property value reports null.
### Root cause
Image and ImageButton did not have iOS/MacCatalyst-specific Background mapper coverage to clear the native UIKit background color when the MAUI Background value becomes null/empty. A direct UIKit-only non-null mapping is not sufficient because it bypasses the shared ViewHandler.MapBackground pipeline used for ImageSourcePaint backgrounds.
### Description of Change
ImageHandler.iOS.cs and ImageButtonHandler.iOS.cs add iOS/MacCatalyst Background mapping for Image and ImageButton.
The fix delegates normal background handling through ViewHandler.MapBackground so existing background behavior, including ImageSourcePaint, remains intact. When the background is null/empty, it explicitly clears the native UIKit BackgroundColor so the previously rendered color no longer persists.
ImageHandler keeps its ContainerView update because Image.NeedsContainer depends on whether Background is set.
The regression coverage adds the Issue36302 UI test and includes the affected iOS screenshot baseline.
### Issues Fixed
Fixes #36302
**Tested the behavior in the following platforms.**
- [x] Android
- [x] Windows
- [x] iOS
- [x] Mac
| Before | After |
|---------|--------|
| **iOS**<br> <video src="https://github.com/user-attachments/assets/eac5d0f7-181b-4c9e-b5e6-87f7445c2ed7" width="300" height="600"> | **iOS**<br> <video src="https://github.com/user-attachments/assets/7964d7a7-0b4d-4472-b839-f91ec61bd4cf" width="300" height="600"> |
🏁 Report — Final Recommendation
Comparative Fix Report — PR #36427
Ranking
| Rank | Candidate | Regression result | Review result | Assessment |
|---|---|---|---|---|
| 1 | pr-plus-reviewer |
✅ Pass by equivalence to try-fix-3 |
✅ No remaining high-confidence issues after applying reviewer feedback | Best overall: preserves ImageSourcePaint, keeps Image container invalidation, clears null UIKit backgrounds, and includes the affected iOS baseline. |
| 2 | try-fix-3 |
✅ Pass | ✅ No high-confidence findings | Technically equivalent winning implementation from STEP 5a. Ranked just below pr-plus-reviewer because the requested reviewer-applied PR candidate reaches the same fix while directly addressing the PR review findings. |
| 3 | try-fix-2 |
✅ Pass | ❌ Rejected by expert review | Passed the visual test, but removed handler.UpdateValue(nameof(IViewHandler.ContainerView)), leaving Image background-dependent container state stale. |
| 4 | try-fix-1 |
❌ Fail | Partially improved raw PR | Preserved the ImageSourcePaint path but failed the iOS visual regression because the required affected-platform baseline was missing. |
| 5 | pr |
❌ Failed gate | ❌ Needs changes | Raw PR fixes the null-clear symptom but regresses ImageSourcePaint and lacks iOS/MacCatalyst screenshot baselines for the affected platform test. |
Candidate details
pr — raw PR fix as submitted
The PR adds iOS/MacCatalyst background mappers for Image and ImageButton; null/empty backgrounds call RemoveBackgroundLayer() and clear native BackgroundColor, while non-null backgrounds call UIKit UpdateBackground(...) directly. This fails two requirements: it bypasses the existing ViewHandler.MapBackground image-paint path, and the iOS gate fails because no ios-26 baseline is committed for the affected-platform screenshot test.
pr-plus-reviewer — PR fix with expert feedback applied
The reviewer-applied sandbox keeps the PR's mapper coverage and null-clear behavior, but delegates non-null mapping to ViewHandler.MapBackground and retains ImageHandler's container invalidation. It also adds the missing iOS baseline. This is the same effective implementation as try-fix-3, so it inherits the STEP 5a evidence: passed iOS regression test and no high-confidence expert-review findings.
try-fix-1
This candidate explicitly preserved ImageSourcePaint by branching to UpdateBackgroundImageSourceAsync, then cleared native background color for null/empty backgrounds. It failed the regression run because the ios-26 visual baseline was missing, so it must rank below passing candidates.
try-fix-2
This candidate delegated to ViewHandler.MapBackground and added the iOS baseline, so the visual test passed. Expert review found a concrete lifecycle regression: ImageHandler.MapBackground no longer updated ContainerView, even though NeedsContainer depends on VirtualView?.Background != null.
try-fix-3
This candidate combines the necessary pieces: base mapper delegation, native clear for null/empty backgrounds, retained Image container invalidation, and an iOS baseline. It passed the iOS regression test and expert review found no high-confidence issues.
Winner
Winner: pr-plus-reviewer
pr-plus-reviewer wins because it applies the expert review feedback to the PR and converges on the same proven implementation as try-fix-3: it passes the relevant regression evidence, avoids the ImageSourcePaint regression, preserves Image container lifecycle behavior, and supplies the missing affected-platform baseline. The raw pr and try-fix-1 failed regression tests, and try-fix-2 has an unresolved lifecycle regression, so all rank lower than the reviewer-applied fix.
🧭 Next Steps — review latest findings
No alternative fix was selected for this run. Review the session findings and CI results before merging.
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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!
Issue details
Setting [BackgroundColor] to null on Image and ImageButton controls does not reset/clear the background color on iOS and macOS (MacCatalyst). The previously set background color persists visually even though the property value reports null.
Description of Change
ImageHandler.iOS.cs / ImageButtonHandler.iOS.cs, Added a MapBackground method that calls RemoveBackgroundLayer() + resets BackgroundColor when the background is null, otherwise applies it normally.
Issues Fixed
Fixes #36302
Tested the behavior in the following platforms.
Before.mov
After.mov