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Merged
jfversluis merged 2 commits into from
Aug 12, 2025
Merged

[Android] Gradient background with ImageButton #26297

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640573a
Gradient background with ImageButton
kubaflo Dec 1, 2024
0405d0a
Update GradientBackgroundShouldWorkWithImageButton.png
kubaflo Aug 11, 2025
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Binary file added ...Android.Tests/snapshots/android/GradientBackgroundShouldWorkWithImageButton.png
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68 changes: 68 additions & 0 deletions src/Controls/tests/TestCases.HostApp/Issues/Issue23119.xaml
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@@ -0,0 +1,68 @@
<?xml version="1.0" encoding="UTF-8"?>
<ContentPage xmlns:controls="clr-namespace:Maui.Controls.Sample.Issues"
xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
x:Class="Maui.Controls.Sample.Issues.Issue23119">
<VerticalStackLayout>
<ImageButton
AutomationId="imageButton"
WidthRequest="100"
HeightRequest="100"
HorizontalOptions="Center">
<ImageButton.Background>
<RadialGradientBrush
Center="0.5,0.5"
Radius="0.5">
<GradientStop Color="green"
Offset="0.0"/>
<GradientStop Color="red"
Offset="1.0"/>
</RadialGradientBrush>
</ImageButton.Background>
</ImageButton>

<ImageButton
WidthRequest="100"
HeightRequest="100"
HorizontalOptions="Center">
<ImageButton.Background>
<LinearGradientBrush>
<GradientStop Color="green"
Offset="0.0"/>
<GradientStop Color="red"
Offset="1.0"/>
</LinearGradientBrush>
</ImageButton.Background>
</ImageButton>

<Button
WidthRequest="100"
HeightRequest="100"
HorizontalOptions="Center">
<Button.Background>
<RadialGradientBrush
Center="0.5,0.5"
Radius="0.5">
<GradientStop Color="green"
Offset="0.0"/>
<GradientStop Color="red"
Offset="1.0"/>
</RadialGradientBrush>
</Button.Background>
</Button>

<Button
WidthRequest="100"
HeightRequest="100"
HorizontalOptions="Center">
<Button.Background>
<LinearGradientBrush>
<GradientStop Color="green"
Offset="0.0"/>
<GradientStop Color="red"
Offset="1.0"/>
</LinearGradientBrush>
</Button.Background>
</Button>
</VerticalStackLayout>
</ContentPage>
12 changes: 12 additions & 0 deletions src/Controls/tests/TestCases.HostApp/Issues/Issue23119.xaml.cs
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namespace Maui.Controls.Sample.Issues
{

[Issue(IssueTracker.Github, 23119, "Assigning a Brush of type RadialGradientBrush to the Background property of an ImageButton causes the BG to show a solid color", PlatformAffected.Android)]
public partial class Issue23119 : ContentPage
{
public Issue23119()
{
InitializeComponent();
}
}
}
Binary file added ...stCases.Mac.Tests/snapshots/mac/GradientBackgroundShouldWorkWithImageButton.png
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23 changes: 23 additions & 0 deletions src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue23119.cs
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using NUnit.Framework;
using UITest.Appium;
using UITest.Core;

namespace Microsoft.Maui.TestCases.Tests.Issues
{
public class Issue23119 : _IssuesUITest
{
public Issue23119(TestDevice testDevice) : base(testDevice)
{
}

public override string Issue => "Assigning a Brush of type RadialGradientBrush to the Background property of an ImageButton causes the BG to show a solid color";

[Test]
[Category(UITestCategories.ImageButton)]
public void GradientBackgroundShouldWorkWithImageButton()
{
App.WaitForElement("imageButton");
VerifyScreenshot();
}
}
}
Binary file added ...s.WinUI.Tests/snapshots/windows/GradientBackgroundShouldWorkWithImageButton.png
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Binary file added ...stCases.iOS.Tests/snapshots/ios/GradientBackgroundShouldWorkWithImageButton.png
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8 changes: 8 additions & 0 deletions src/Core/src/Handlers/ImageButton/ImageButtonHandler.Android.cs
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Expand Up @@ -24,6 +24,7 @@ protected override void DisconnectHandler(ShapeableImageView platformView)
platformView.Click -= OnClick;
platformView.Touch -= OnTouch;
platformView.ViewAttachedToWindow -= OnPlatformViewAttachedToWindow;
platformView.LayoutChange -= OnPlatformViewLayoutChange;

base.DisconnectHandler(platformView);

Expand All @@ -37,6 +38,7 @@ protected override void ConnectHandler(ShapeableImageView platformView)
platformView.Touch += OnTouch;
platformView.ViewAttachedToWindow += OnPlatformViewAttachedToWindow;

platformView.LayoutChange += OnPlatformViewLayoutChange;
base.ConnectHandler(platformView);
}

Expand Down Expand Up @@ -73,6 +75,12 @@ void OnFocusChange(object? sender, View.FocusChangeEventArgs e)
VirtualView.IsFocused = e.HasFocus;
}

void OnPlatformViewLayoutChange(object? sender, View.LayoutChangeEventArgs e)
{
if (sender is ShapeableImageView platformView && VirtualView is not null)
platformView.UpdateBackground(VirtualView);
}

void OnTouch(object? sender, View.TouchEventArgs e)
{
var motionEvent = e.Event;
Expand Down
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