Fix MAUI sample panel layouts and interactions

src/MAUI/Maui.Samples/Samples/Geometry/SnapGeometryEdits/SnapGeometryEdits.xaml

@@ -158,7 +158,7 @@
                                     Text="Enable all"
                                     VerticalOptions="Center" />
                         </Grid>
-                        <VerticalStackLayout HeightRequest="130" WidthRequest="250">
+                        <VerticalStackLayout HeightRequest="130">
                             <Grid ColumnSpacing="3">
                                 <Grid.ColumnDefinitions>
                                     <ColumnDefinition Width="auto" />

src/MAUI/Maui.Samples/Samples/Layers/FilterBuildingSceneLayer/FilterBuildingSceneLayer.xaml

@@ -1,91 +1,81 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8" ?>
 <ContentPage
     x:Class="ArcGIS.Samples.FilterBuildingSceneLayer.FilterBuildingSceneLayer"
     xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     xmlns:local="clr-namespace:ArcGIS.Samples.FilterBuildingSceneLayer"
     xmlns:esriUI="clr-namespace:Esri.ArcGISRuntime.Maui;assembly=Esri.ArcGISRuntime.Maui">
-    <Grid>
+    <Grid Style="{DynamicResource EsriSampleContainer}">
         <!--  LocalSceneView displays the 3D building scene.  -->
-        <esriUI:LocalSceneView x:Name="MySceneView" />
+        <esriUI:LocalSceneView x:Name="MySceneView" Style="{DynamicResource EsriSampleGeoView}" />
 
-        <!--  Settings panel for floor filtering and category visibility controls.  -->
-        <Border
-            x:Name="SettingsPanel"
-            Margin="10"
-            Padding="16"
-            HeightRequest="300"
-            HorizontalOptions="End"
-            Style="{DynamicResource EsriSampleControlPanel}"
-            VerticalOptions="Start"
-            WidthRequest="250">
-            <ScrollView>
-                <VerticalStackLayout Spacing="12">
-                    <!--  Floor selection dropdown.  -->
-                    <Grid ColumnDefinitions="Auto,*">
+        <!--  Control panel: toggles between settings and feature attributes.  -->
+        <Border Style="{DynamicResource EsriSampleControlPanel}">
+            <Grid>
+                <!--  Settings panel for floor filtering and category visibility controls.  -->
+                <ScrollView x:Name="SettingsPanel">
+                    <VerticalStackLayout Spacing="12">
+                        <!--  Floor selection dropdown.  -->
+                        <Grid ColumnDefinitions="Auto,*">
+                            <Label
+                                Grid.Column="0"
+                                FontAttributes="Bold"
+                                FontSize="14"
+                                Text="Floor:"
+                                VerticalOptions="Center" />
+                            <Picker
+                                x:Name="FloorPicker"
+                                Grid.Column="1"
+                                Margin="10,0,0,0"
+                                SelectedIndexChanged="FloorPicker_SelectedIndexChanged" />
+                        </Grid>
+
+                        <!--  Category controls for toggling sublayer visibility.  -->
                         <Label
-                            Grid.Column="0"
                             FontAttributes="Bold"
                             FontSize="14"
-                            Text="Floor:"
-                            VerticalOptions="Center" />
-                        <Picker
-                            x:Name="FloorPicker"
-                            Grid.Column="1"
-                            Margin="10,0,0,0"
-                            SelectedIndexChanged="FloorPicker_SelectedIndexChanged" />
-                    </Grid>
-
-                    <!--  Category controls for toggling sublayer visibility.  -->
-                    <Label
-                        FontAttributes="Bold"
-                        FontSize="14"
-                        Text="Categories:" />
-                    <VerticalStackLayout x:Name="CategoriesStackLayout" Spacing="4" />
+                            Text="Categories:" />
+                        <VerticalStackLayout x:Name="CategoriesStackLayout" Spacing="4" />
 
-                    <!--  Instruction text.  -->
-                    <BoxView HeightRequest="1" Color="Gray" />
-                    <Label
-                        FontSize="12"
-                        Text="Tap on a building feature to view its attributes."
-                        TextColor="Gray" />
-                </VerticalStackLayout>
-            </ScrollView>
-        </Border>
-
-        <!--  Feature attributes panel, shown when a feature is selected.  -->
-        <Border
-            x:Name="FeaturePanel"
-            Margin="10"
-            Padding="16"
-            HorizontalOptions="End"
-            IsVisible="False"
-            Style="{DynamicResource EsriSampleControlPanel}"
-            VerticalOptions="Start"
-            WidthRequest="250">
+                        <!--  Instruction text.  -->
+                        <BoxView HeightRequest="1" Color="Gray" />
+                        <Label
+                            FontSize="12"
+                            Text="Tap on a building feature to view its attributes."
+                            TextColor="Gray" />
+                    </VerticalStackLayout>
+                </ScrollView>
 
-            <Grid RowDefinitions="Auto,*" RowSpacing="8">
-                <!--  Header with close button.  -->
-                <Grid Grid.Row="0">
-                    <Label
-                        FontAttributes="Bold"
-                        FontSize="14"
-                        HorizontalOptions="Start"
-                        Text="Feature Attributes"
-                        VerticalOptions="Center" />
-                    <Button
-                        BackgroundColor="Gray"
-                        Clicked="CloseFeatureButton_Clicked"
-                        FontSize="16"
-                        HorizontalOptions="End"
-                        Text="✖"
-                        TextColor="{AppThemeBinding Light=Black,
-                                                    Dark=White}" />
-                </Grid>
+                <!--  Feature attributes panel, shown when a feature is selected.  -->
+                <Grid
+                    x:Name="FeaturePanel"
+                    IsVisible="False"
+                    RowDefinitions="Auto,*"
+                    RowSpacing="8">
+                    <!--  Header with close button.  -->
+                    <Grid Grid.Row="0">
+                        <Label
+                            FontAttributes="Bold"
+                            FontSize="14"
+                            HorizontalOptions="Start"
+                            Text="Feature Attributes"
+                            VerticalOptions="Center" />
+                        <Button
+                            BackgroundColor="Gray"
+                            Clicked="CloseFeatureButton_Clicked"
+                            FontSize="16"
+                            HorizontalOptions="End"
+                            Text="✖"
+                            TextColor="{AppThemeBinding Light=Black,
+                                                        Dark=White}" />
+                    </Grid>
 
-                <!--  Scrollable list of feature attributes.  -->
-                <ScrollView Grid.Row="1" MaximumHeightRequest="200">
-                    <CollectionView x:Name="FeatureAttributesCollection" ItemsLayout="VerticalList">
+                    <!--  Scrollable list of feature attributes.  -->
+                    <CollectionView
+                        x:Name="FeatureAttributesCollection"
+                        Grid.Row="1"
+                        ItemsLayout="VerticalList"
+                        MaximumHeightRequest="400">
                         <CollectionView.ItemTemplate>
                             <DataTemplate x:DataType="local:BuildingSceneFeatureAttribute">
                                 <VerticalStackLayout Margin="0,4" Spacing="2">
@@ -106,8 +96,8 @@
                             </DataTemplate>
                         </CollectionView.ItemTemplate>
                     </CollectionView>
-                </ScrollView>
+                </Grid>
             </Grid>
         </Border>
     </Grid>
-</ContentPage>
+</ContentPage>

src/MAUI/Maui.Samples/Samples/UtilityNetwork/CreateLoadReport/CreateLoadReport.xaml

@@ -13,6 +13,7 @@
             <HorizontalStackLayout Spacing="5">
                 <Picker x:Name="PhasesList"
                         x:DataType="esri:CodedValue"
+                        IsEnabled="False"
                         ItemDisplayBinding="{Binding Name}"
                         WidthRequest="150" />
                 <Button Clicked="OnAddPhase" Text="Add" />
@@ -30,25 +31,25 @@
                             HeightRequest="300"
                             VerticalScrollBarVisibility="Default">
                 <CollectionView.Header>
-                    <Grid ColumnDefinitions="Auto, Auto, Auto"
-                          ColumnSpacing="25"
-                          HorizontalOptions="Center">
+                    <Grid ColumnDefinitions="*, *, *"
+                          Padding="5,0">
                         <Label Grid.Column="0"
                                FontAttributes="Bold"
                                Text="Phase" />
                         <Label Grid.Column="1"
                                FontAttributes="Bold"
+                               HorizontalOptions="Center"
                                Text="Total Customers" />
                         <Label Grid.Column="2"
                                FontAttributes="Bold"
+                               HorizontalOptions="Center"
                                Text="Total Load" />
                     </Grid>
                 </CollectionView.Header>
                 <CollectionView.ItemTemplate>
                     <DataTemplate x:DataType="local:PhaseSummary">
-                        <Grid Margin="5"
-                              ColumnDefinitions="100, 50, 175"
-                              HorizontalOptions="Center">
+                        <Grid ColumnDefinitions="*, *, *"
+                              Padding="5,0">
                             <Label Text="{Binding Phase}" />
                             <Label Grid.Column="1"
                                    HorizontalOptions="Center"

src/MAUI/Maui.Samples/Samples/UtilityNetwork/CreateLoadReport/CreateLoadReport.xaml.cs

@@ -120,6 +120,7 @@ private async Task Initialize()
                         if (_phasesNetworkAttribute.Domain is CodedValueDomain codedValueDomain)
                         {
                             PhasesList.ItemsSource = codedValueDomain.CodedValues.ToList();
+                            PhasesList.IsEnabled = true;
                         }
                     }
                 }

src/MAUI/Maui.Samples/Samples/UtilityNetwork/SnapGeometryEditsWithUtilityNetworkRules/SnapGeometryEditsWithUtilityNetworkRules.xaml

@@ -150,7 +150,7 @@
                                              Light=White}"
                 HorizontalOptions="Center"
                 IsVisible="False"
-                HeightRequest="250"
+                MaximumHeightRequest="250"
                 StrokeShape="RoundRectangle 10"
                 VerticalOptions="Center"
                 WidthRequest="300">