[Android] Fixed TransformProperties issue when a wrapper view is present by Ahamed-Ali · Pull Request #29228 · dotnet/maui

Ahamed-Ali · 2025-04-28T13:33:32Z

Root Cause of the issue

When a background color is applied to an image, the image is wrapped inside a container view(WrapperView). However, when scaling is applied to the image, the container view (WrapperView) does not account for the scaling, resulting in incorrect rendering.

Description of Change

Apply the scaling to the container view itself when a background color is present, ensuring proper rendering and consistent behavior.

Issues Fixed

Fixes #7432

Tested the behaviour in the following platforms

Android
Windows
iOS
Mac

Screenshot

Before Issue Fix	After Issue Fix

Copilot

Pull Request Overview

This PR fixes the issue where the scaling transformation was not applied correctly when an image is wrapped inside a container view (WrapperView) on Android. The changes update the transform properties calculation to apply these properties to the WrapperView instead of the inner view and add corresponding UI tests to validate the fix.

Calculate pivot points and other transform properties based on the actual view (either the WrapperView or the original view).
When a WrapperView is detected, apply transform properties on it and reset non-transform values on the inner view.
Added automated tests in both the shared and host app test suites to verify the corrected behavior.

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File	Description
src/Core/src/Platform/Android/ViewExtensions.cs	Updated transform properties calculations to account for WrapperView presence
src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue7432.cs	Added automated UI test for Issue7432
src/Controls/tests/TestCases.HostApp/Issues/Issue7432.cs	Added test UI page for Issue7432 to simulate the issue

Copilot · 2025-04-29T09:20:34Z

src/Core/src/Platform/Android/ViewExtensions.cs

+			var pivotX = (float)(view.AnchorX * transformView.ToPixels(view.Frame.Width));
+			var pivotY = (float)(view.AnchorY * transformView.ToPixels(view.Frame.Height));
+


Ensure that using 'transformView' for calculating pivot accurately reflects the intended pixel conversion when a WrapperView is present. Verify that the view.Frame dimensions used remain valid for the WrapperView's coordinate context.

Suggested change

var pivotX = (float)(view.AnchorX * transformView.ToPixels(view.Frame.Width));

var pivotY = (float)(view.AnchorY * transformView.ToPixels(view.Frame.Height));

float pivotX, pivotY;

if (wrapperView is not null)

{

// Use WrapperView's coordinate context for pixel conversion

pivotX = (float)(view.AnchorX * wrapperView.ToPixels(view.Frame.Width));

pivotY = (float)(view.AnchorY * wrapperView.ToPixels(view.Frame.Height));

}

else

{

// Use platformView's coordinate context for pixel conversion

pivotX = (float)(view.AnchorX * platformView.ToPixels(view.Frame.Width));

pivotY = (float)(view.AnchorY * platformView.ToPixels(view.Frame.Height));

}

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue7432.cs

jsuarezruiz · 2025-04-30T07:04:46Z

src/Core/src/Platform/Android/ViewExtensions.cs

+				wrapperView.PivotY = pivotY;
+
+				// Apply non-transform properties to the inner view
+				PlatformInterop.Set(platformView,


This is duplicated two times, can create a method with all the transformation properties as parameters?

I have made the changes. please let me know if you have any other concerns. @jsuarezruiz

jsuarezruiz · 2025-05-02T06:03:15Z

/azp run MAUI-UITests-public

azure-pipelines · 2025-05-02T06:03:26Z

Azure Pipelines successfully started running 1 pipeline(s).

jsuarezruiz · 2025-05-05T07:16:16Z

/azp run MAUI-UITests-public

azure-pipelines · 2025-05-05T07:16:27Z

Azure Pipelines successfully started running 1 pipeline(s).

jsuarezruiz

The test PropertiesShouldBeCorrectlyApplied, related with transformations, is failing on Android.

Could you review if is related with the changes?

Ahamed-Ali · 2025-05-07T04:56:57Z

The test PropertiesShouldBeCorrectlyApplied, related with transformations, is failing on Android. Could you review if is related with the changes?

I have resaved the correct image. @jsuarezruiz

jsuarezruiz · 2025-05-08T09:43:47Z

/azp run MAUI-UITests-public

azure-pipelines · 2025-05-08T09:43:58Z

Azure Pipelines successfully started running 1 pipeline(s).

…d by WrapperView container

github-actions · 2025-12-09T09:55:05Z

🚀 Dogfood this PR with:

⚠️ WARNING: Do not do this without first carefully reviewing the code of this PR to satisfy yourself it is safe.

curl -fsSL https://raw.githubusercontent.com/dotnet/maui/main/eng/scripts/get-maui-pr.sh | bash -s -- 29228

Or

Run remotely in PowerShell:

iex "& { $(irm https://raw.githubusercontent.com/dotnet/maui/main/eng/scripts/get-maui-pr.ps1) } 29228"

@Ahamed-Ali

## What's Coming .NET MAUI inflight/candidate introduces significant improvements across all platforms with focus on quality, performance, and developer experience. This release includes 24 commits with various improvements, bug fixes, and enhancements. ## Animation - [Android] Fixed TransformProperties issue when a wrapper view is present by @Ahamed-Ali in #29228 <details> <summary>🔧 Fixes</summary> - [Android Image.Scale produces wrong layout](#7432) </details> ## Button - Fix ImageButton not rendering correctly based on its bounds by @Shalini-Ashokan in #28309 <details> <summary>🔧 Fixes</summary> - [ImageButton dosen't scale Image correctly](#25558) - [ButtonImage width not sizing correctly](#14346) </details> ## CollectionView - [Android] Fixed issue where group Header/Footer template was applied to all items when IsGrouped was true for an ObservableCollection by @Tamilarasan-Paranthaman in #28886 <details> <summary>🔧 Fixes</summary> - [[Android] Group Header/Footer Repeated for All Items When IsGrouped is True for ObservableCollection](#28827) </details> - [Android] CollectionView: Fix reordering when using DataTemplateSelector by @NanthiniMahalingam in #32349 <details> <summary>🔧 Fixes</summary> - [[Android][.NET9] CollectionView Reorderer doesn't work when using TemplateSelector](#32223) </details> - [Android] Fix for incorrect scroll position when using ScrollTo with a header in CollectionView by @SyedAbdulAzeemSF4852 in #30966 <details> <summary>🔧 Fixes</summary> - [Potential off-by-one error when using ScrollTo in CollectionView with a header.](#18389) </details> - Fix Incorrect Scrolling Behavior in CollectionView ScrollTo Method Using Index Value by @Shalini-Ashokan in #27246 <details> <summary>🔧 Fixes</summary> - [CollectionView ScrollTo not working under android](#27117) </details> - [Android] Fix System.IndexOutOfRangeException when scrolling CollectionView with image CarouselView by @devanathan-vaithiyanathan in #31722 <details> <summary>🔧 Fixes</summary> - [System.IndexOutOfRangeException when scrolling CollectionView with image CarouselView](#31680) </details> - [Android] Fix VerticalOffset Update When Modifying CollectionView.ItemsSource While Scrolled by @devanathan-vaithiyanathan in #26782 <details> <summary>🔧 Fixes</summary> - [CollectionView.Scrolled event offset isn't correctly reset when items change on Android](#21708) </details> ## Editor - Fixed Editor vertical text alignment not working after toggling IsVisible by @NanthiniMahalingam in #26194 <details> <summary>🔧 Fixes</summary> - [Editor vertical text alignment not working after toggling IsVisible](#25973) </details> ## Entry - [Android] Fix Numeric Entry not accepting the appropriate Decimal Separator by @devanathan-vaithiyanathan in #27376 <details> <summary>🔧 Fixes</summary> - [Numeric Entry uses wrong decimal separator in MAUI app running on Android](#17152) </details> - [Android & iOS] Entry/Editor: Dismiss keyboard when control becomes invisible by @prakashKannanSf3972 in #27340 <details> <summary>🔧 Fixes</summary> - [android allows type into hidden Entry control](#27236) </details> ## Gestures - [Android] Fixed PointerGestureRecognizer not triggering PointerMoved event by @KarthikRajaKalaimani in #33889 <details> <summary>🔧 Fixes</summary> - [PointerGestureRecognizer does not fire off PointerMove event on Android](#33690) </details> - [Android] Fix PointerMoved and PointerReleased not firing in PointerGestureRecognizer by @KarthikRajaKalaimani in #34209 <details> <summary>🔧 Fixes</summary> - [PointerGestureRecognizer does not fire off PointerMove event on Android](#33690) </details> ## Navigation - [Android] Shell: Fix OnBackButtonPressed not firing for navigation bar back button by @kubaflo in #33531 <details> <summary>🔧 Fixes</summary> - [OnBackButtonPressed not firing for Shell Navigation Bar button in .NET 10 SR2](#33523) </details> ## Shell - [iOS] Fixed Shell Navigating event showing same current and target values by @Vignesh-SF3580 in #25749 <details> <summary>🔧 Fixes</summary> - [OnNavigating wrong target when tapping the same tab](#25599) </details> - [iOS, macOS] Fixed Shell Flyout Icon is always black in iOS 26 by @Dhivya-SF4094 in #32997 <details> <summary>🔧 Fixes</summary> - [Shell Flyout Icon is always black](#32867) - [[iOS] Color Not Applied to Flyout Icon or Title on iOS 26](#33971) </details> ## TitleView - [Android] Fixed duplicate title icon when setting TitleIconImageSource Multiple times by @SubhikshaSf4851 in #31487 <details> <summary>🔧 Fixes</summary> - [[Android] Duplicate Title Icon Appears When Setting NavigationPage.TitleIconImageSource Multiple Times](#31445) </details> ## WebView - Fixed the crash on iOS when setting HeightRequest on WebView inside a ScrollView with IsVisible set to false by @Ahamed-Ali in #29022 <details> <summary>🔧 Fixes</summary> - [Specifying HeightRequest in Webview when wrapped by ScrollView set "invisible" causes crash in iOS](#26795) </details> <details> <summary>🧪 Testing (3)</summary> - [Testing] Fix for enable uitests ios26 by @TamilarasanSF4853 in #33686 - [Testing] Fixed Test case failure in PR 34173 - [02/21/2026] Candidate - 1 by @TamilarasanSF4853 in #34192 - [Testing] Fixed Test case failure in PR 34173 - [02/21/2026] Candidate - 2 by @TamilarasanSF4853 in #34233 </details> <details> <summary>📦 Other (3)</summary> - Fix Glide IllegalArgumentException in PlatformInterop for destroyed activities by @jonathanpeppers via @Copilot in #33805 - [iOS] Fix MauiCALayer and StaticCAShapeLayer crash on finalizer thread by @pshoey in #33818 <details> <summary>🔧 Fixes</summary> - [[iOS] MauiCALayer and StaticCAShapeLayer crash on finalizer thread in Release/AOT builds](#33800) </details> - Merge branch 'main' into inflight/candidate in 1a00f12 </details> **Full Changelog**: main...inflight/candidate --------- Co-authored-by: Copilot <[email protected]> Co-authored-by: jonathanpeppers <[email protected]> Co-authored-by: pshoey <[email protected]> Co-authored-by: Subhiksha Chandrasekaran <[email protected]> Co-authored-by: devanathan-vaithiyanathan <[email protected]> Co-authored-by: prakashKannanSf3972 <[email protected]> Co-authored-by: Jakub Florkowski <[email protected]> Co-authored-by: KarthikRajaKalaimani <[email protected]> Co-authored-by: NanthiniMahalingam <[email protected]> Co-authored-by: BagavathiPerumal <[email protected]> Co-authored-by: Vignesh-SF3580 <[email protected]> Co-authored-by: Shalini-Ashokan <[email protected]> Co-authored-by: Tamilarasan Paranthaman <[email protected]> Co-authored-by: SyedAbdulAzeemSF4852 <[email protected]> Co-authored-by: Ahamed-Ali <[email protected]> Co-authored-by: Dhivya-SF4094 <[email protected]> Co-authored-by: Jakub Florkowski <[email protected]> Co-authored-by: Matthew Leibowitz <[email protected]> Co-authored-by: Copilot <[email protected]> Co-authored-by: TamilarasanSF4853 <[email protected]>

This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [Microsoft.Extensions.Logging.Debug](https://dot.net/) ([source](https://github.com/dotnet/dotnet)) | nuget | patch | `10.0.3` -> `10.0.4` | | [Microsoft.Maui.Controls](https://github.com/dotnet/maui) | nuget | patch | `10.0.41` -> `10.0.50` | --- ### Release Notes <details> <summary>dotnet/maui (Microsoft.Maui.Controls)</summary> ### [`v10.0.50`](https://github.com/dotnet/maui/releases/tag/10.0.50) [Compare Source](dotnet/maui@10.0.41...10.0.50) #### What's Changed .NET MAUI 10.0.50 introduces significant improvements across all platforms with focus on quality, performance, and developer experience. This release includes 78 commits with various improvements, bug fixes, and enhancements. #### AI - Enable packing and independent preview versioning for Essentials.AI by [@mattleibow](https://github.com/mattleibow) in dotnet/maui#33976 - Move Essentials.AI preview iteration to eng/Versions.props by [@mattleibow](https://github.com/mattleibow) in dotnet/maui#34025 - \[Feature] Add Microsoft.Maui.Essentials.AI - Apple Intelligence by [@mattleibow](https://github.com/mattleibow) in dotnet/maui#33519 #### Ai Agents - Copilot agent infrastructure, emulator reliability, and try-fix workflow improvements by [@PureWeen](https://github.com/PureWeen) via [@Copilot](https://github.com/Copilot) in dotnet/maui#33937 - Update PR agent models to claude-sonnet-4.6 and gpt-5.3-codex by [@kubaflo](https://github.com/kubaflo) in dotnet/maui#34109 - ci-copilot: set pipeline run title early using build.updatebuildnumber by [@jfversluis](https://github.com/jfversluis) via [@Copilot](https://github.com/Copilot) in dotnet/maui#34156 - Revamp find-reviewable-pr skill: priorities, defaults, and doc fixes by [@PureWeen](https://github.com/PureWeen) in dotnet/maui#34160 - Add correct CI pipeline names to Copilot instructions by [@jfversluis](https://github.com/jfversluis) in dotnet/maui#34255 - Add resilience to UI tests for frozen/unresponsive apps by [@PureWeen](https://github.com/PureWeen) in dotnet/maui#34023 - Copilot CI: Structured phase outputs, autonomous execution, iOS support, and CI pipeline by [@kubaflo](https://github.com/kubaflo) in dotnet/maui#34040 - Agent Workflow Metrics via GitHub Labels by [@kubaflo](https://github.com/kubaflo) in dotnet/maui#33986 #### Animation - \[Android] Fixed TransformProperties issue when a wrapper view is present by [@Ahamed-Ali](https://github.com/Ahamed-Ali) in dotnet/maui#29228 <...

dotnet-policy-service bot added community ✨ Community Contribution partner/syncfusion Issues / PR's with Syncfusion collaboration labels Apr 28, 2025

Ahamed-Ali marked this pull request as ready for review April 29, 2025 09:19

Copilot AI review requested due to automatic review settings April 29, 2025 09:19

Ahamed-Ali requested a review from a team as a code owner April 29, 2025 09:19

Ahamed-Ali requested review from jsuarezruiz and rmarinho April 29, 2025 09:19

Copilot AI reviewed Apr 29, 2025

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jsuarezruiz added area-animation Animation, Transitions, Transforms platform/android labels Apr 30, 2025

jsuarezruiz suggested changes Apr 30, 2025

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jsuarezruiz suggested changes May 6, 2025

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Ahamed-Ali added 9 commits December 9, 2025 15:06

Fixed the scaling issues with the Image in Android image

314f32b

Fixed transform properties not applying correctly when view is wrappe…

864e57b

…d by WrapperView container

Included the test sample and test case for the issue

50f888c

Added verifyscreenshot

f564a70

Updated the fix with wrapperView Updated only to the transformProperties

e1b2ad6

Added iOS image

619d8b7

Optimized the code

0fecc80

Committed the pending snap of mac and windows

3a95019

Resaved the correct image

200a598

Ahamed-Ali force-pushed the fix-7432 branch from 0327ee5 to 200a598 Compare December 9, 2025 09:54

		var pivotX = (float)(view.AnchorX * transformView.ToPixels(view.Frame.Width));
		var pivotY = (float)(view.AnchorY * transformView.ToPixels(view.Frame.Height));

-			var pivotX = (float)(view.AnchorX * transformView.ToPixels(view.Frame.Width));
-			var pivotY = (float)(view.AnchorY * transformView.ToPixels(view.Frame.Height));
+			float pivotX, pivotY;
+			if (wrapperView is not null)
+			{
+				// Use WrapperView's coordinate context for pixel conversion
+				pivotX = (float)(view.AnchorX * wrapperView.ToPixels(view.Frame.Width));
+				pivotY = (float)(view.AnchorY * wrapperView.ToPixels(view.Frame.Height));
+			}
+			else
+			{
+				// Use platformView's coordinate context for pixel conversion
+				pivotX = (float)(view.AnchorX * platformView.ToPixels(view.Frame.Width));
+				pivotY = (float)(view.AnchorY * platformView.ToPixels(view.Frame.Height));
+			}

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Ahamed-Ali commented Apr 28, 2025

Root Cause of the issue

Description of Change

Issues Fixed

Tested the behaviour in the following platforms

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