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new sample: update basemap for contrast changes #1813

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fda507c
new sample: update basemap for contrast changes
praveenaak Jun 23, 2026
fc53f32
maui + winui implementation
praveenaak Jun 23, 2026
b4f333b
update winui implementation
praveenaak Jun 23, 2026
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62 changes: 62 additions & 0 deletions ...sibility/UpdateBasemapForContrastAccessibility/UpdateBasemapForContrastAccessibility.xaml
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<?xml version="1.0" encoding="utf-8" ?>
<ContentPage x:Class="ArcGIS.Samples.UpdateBasemapForContrastAccessibility.UpdateBasemapForContrastAccessibility"
xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:esriUI="clr-namespace:Esri.ArcGISRuntime.Maui;assembly=Esri.ArcGISRuntime.Maui">
<Grid Style="{DynamicResource EsriSampleContainer}">
<esriUI:MapView x:Name="MyMapView" Style="{DynamicResource EsriSampleGeoView}" />
<Border Style="{DynamicResource EsriSampleControlPanel}">
<ScrollView Padding="5" MaximumHeightRequest="500">
<VerticalStackLayout Spacing="6">
<Grid ColumnDefinitions="Auto, *" VerticalOptions="Center">
<Label Text="Reference layers" VerticalOptions="Center" />
<Switch x:Name="ReferenceLayersSwitch"
Grid.Column="1"
HorizontalOptions="End"
IsToggled="True"
Toggled="ReferenceLayersSwitch_Toggled" />
</Grid>

<Label FontAttributes="Bold" Text="Contrast mode" />
<RadioButton x:Name="AutomaticModeRadioButton"
Content="Automatic (follow OS)"
GroupName="ContrastMode"
IsChecked="True"
CheckedChanged="ContrastModeRadioButton_CheckedChanged" />
<RadioButton x:Name="ManualModeRadioButton"
Content="Manual"
GroupName="ContrastMode"
CheckedChanged="ContrastModeRadioButton_CheckedChanged" />

<VerticalStackLayout x:Name="OpenSettingsPanel" IsVisible="False" Spacing="4">
<Button Clicked="OpenThemeSettingsButton_Clicked"
Text="Open device theme settings" />
<Button Clicked="OpenContrastSettingsButton_Clicked"
Text="Open device contrast settings" />
</VerticalStackLayout>

<VerticalStackLayout x:Name="ManualAppearancePanel" IsVisible="False" Spacing="4">
<Label FontAttributes="Bold" Text="Manual contrast" />
<RadioButton x:Name="LightRadioButton"
Content="Light"
GroupName="ContrastAppearance"
IsChecked="True"
CheckedChanged="ManualAppearanceRadioButton_CheckedChanged" />
<RadioButton x:Name="DarkRadioButton"
Content="Dark"
GroupName="ContrastAppearance"
CheckedChanged="ManualAppearanceRadioButton_CheckedChanged" />
<RadioButton x:Name="HighContrastLightRadioButton"
Content="High contrast light"
GroupName="ContrastAppearance"
CheckedChanged="ManualAppearanceRadioButton_CheckedChanged" />
<RadioButton x:Name="HighContrastDarkRadioButton"
Content="High contrast dark"
GroupName="ContrastAppearance"
CheckedChanged="ManualAppearanceRadioButton_CheckedChanged" />
</VerticalStackLayout>
</VerticalStackLayout>
</ScrollView>
</Border>
</Grid>
</ContentPage>
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