Add UseMaterial3 build property to Sandbox, HostApp and Controls.Sample Projects#33282
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PureWeen merged 1 commit intodotnet:mainfrom Dec 26, 2025
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Pull request overview
This PR introduces the UseMaterial3 build property to three .NET MAUI sample and test projects, setting it to false by default. The property enables or disables Material 3 theming for Android applications. Documentation comments have been added to warn developers that changing this flag requires deleting the artifacts folder and rebuilding the entire codebase to avoid build issues.
Key Changes
- Added
<UseMaterial3>false</UseMaterial3>property to sample and test projects - Included XML comments documenting the requirement to clean artifacts and rebuild when changing the flag
- Applied consistently across Sandbox, Controls.Sample, and HostApp projects
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 4 comments.
| File | Description |
|---|---|
src/Controls/tests/TestCases.HostApp/Controls.TestCases.HostApp.csproj |
Added UseMaterial3 property with documentation comment to the UI test host application |
src/Controls/samples/Controls.Sample/Maui.Controls.Sample.csproj |
Added UseMaterial3 property with documentation comment to the full controls sample gallery |
src/Controls/samples/Controls.Sample.Sandbox/Maui.Controls.Sample.Sandbox.csproj |
Added UseMaterial3 property with documentation comment to the sandbox testing project |
src/Controls/samples/Controls.Sample.Sandbox/Maui.Controls.Sample.Sandbox.csproj
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This was referenced Dec 24, 2025
PureWeen
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Dec 24, 2025
kubaflo
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Dec 25, 2025
StephaneDelcroix
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Jan 5, 2026
…mple Projects (#33282) <!-- !!!!!!! MAIN IS THE ONLY ACTIVE BRANCH. MAKE SURE THIS PR IS TARGETING MAIN. !!!!!!! --> ### Description of Change <!-- Enter description of the fix in this section --> <!-- Please make sure that there is a bug logged for the issue being fixed. The bug should describe the problem and how to reproduce it. --> This pull request introduces a new `UseMaterial3` property, set to `false` by default, across several project files. It also adds documentation comments to clarify that if this flag is changed, developers must delete the `artifacts` folder and rebuild the entire codebase to avoid build issues. Configuration and documentation updates: * Added the `<UseMaterial3>false</UseMaterial3>` property to `Maui.Controls.Sample.Sandbox.csproj`, `Maui.Controls.Sample.csproj`, and `Controls.TestCases.HostApp.csproj`, along with comments explaining the need to clean artifacts and rebuild if the flag is changed. [[1]](diffhunk://#diff-d99ae49df2f89869b0081632bce2fb57dff57b036662b3f6c8e5feeb6a66ef9dR16-R18) [[2]](diffhunk://#diff-af863121b6168780847c8835ede77fb1b01120fa3f9dd5fb48a846128f9c08fdR18-R20) [[3]](diffhunk://#diff-c73eb67a2a515f32003a6bdc59df7156d492dfcafb1b828723476f67cd439103R16-R18) Fixes # <!-- Are you targeting main? All PRs should target the main branch unless otherwise noted. -->
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Description of Change
This pull request introduces a new
UseMaterial3property, set tofalseby default, across several project files. It also adds documentation comments to clarify that if this flag is changed, developers must delete theartifactsfolder and rebuild the entire codebase to avoid build issues.Configuration and documentation updates:
<UseMaterial3>false</UseMaterial3>property toMaui.Controls.Sample.Sandbox.csproj,Maui.Controls.Sample.csproj, andControls.TestCases.HostApp.csproj, along with comments explaining the need to clean artifacts and rebuild if the flag is changed. [1] [2] [3]Fixes #