Connections: remove active indicator dot, fix theme refresh

- Remove green dot IsActive indicator from ConnectionCell (no longer needed)
- ConnectionsPage subscribes to App.ThemeChanged and reloads list on switch
- Simplify ConnectionCell to single StackLayout (no converter dependency)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Xamarin.Neo4j/Xamarin.Neo4j/Xamarin.Neo4j/Controls/ConnectionCell.xaml

@@ -5,16 +5,9 @@
           xmlns:fonts="clr-namespace:Xamarin.Neo4j.Fonts;assembly=Xamarin.Neo4j"
           x:Class="Xamarin.Neo4j.Controls.ConnectionCell">
     <Grid Padding="15, 10">
-        <Grid.ColumnDefinitions>
-            <ColumnDefinition Width="Auto" />
-            <ColumnDefinition Width="1*" />
-        </Grid.ColumnDefinitions>
-
-        <Label Grid.Column="0" x:Name="isActiveIndicator" Text="{x:Static fonts:FontAwesomeSolid.Circle}" FontFamily="{StaticResource FontAwesomeSolid}" VerticalOptions="Center" TextColor="#34C759" Margin="0 ,0, 7.5, 0"/>
-
-        <StackLayout Grid.Column="1" Spacing="2">
+        <StackLayout Spacing="2">
             <Label Text="{Binding Name}" />
-            <Label Text="{Binding Host}" FontSize="Small" TextColor="{StaticResource SecondaryTextColor}" />
+            <Label Text="{Binding Host}" FontSize="Small" TextColor="{DynamicResource SecondaryTextColor}" />
         </StackLayout>
     </Grid>
 </ViewCell>

Xamarin.Neo4j/Xamarin.Neo4j/Xamarin.Neo4j/Controls/ConnectionCell.xaml.cs

@@ -15,21 +15,6 @@ namespace Xamarin.Neo4j.Controls
         public ConnectionCell()
         {
             InitializeComponent();
-
-            isActiveIndicator.SetBinding(VisualElement.IsVisibleProperty, new Binding(nameof(IsActive), source: this));
         }
-
-        #region Bindable Properties
-
-        public bool IsActive
-        {
-            get => (bool)GetValue(IsActiveProperty);
-            set => SetValue(IsActiveProperty, value);
-        }
-
-        public static BindableProperty IsActiveProperty = BindableProperty.Create("IsActive", typeof(bool),
-            typeof(ConnectionCell), false, BindingMode.OneWay);
-
-        #endregion
     }
 }

Xamarin.Neo4j/Xamarin.Neo4j/Xamarin.Neo4j/Pages/ConnectionsPage.xaml

@@ -4,47 +4,20 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              xmlns:fonts="clr-namespace:Xamarin.Neo4j.Fonts;assembly=Xamarin.Neo4j"
              xmlns:controls="clr-namespace:Xamarin.Neo4j.Controls;assembly=Xamarin.Neo4j"
-             xmlns:converters="clr-namespace:Xamarin.Neo4j.Converters;assembly=Xamarin.Neo4j"
-             x:Class="Xamarin.Neo4j.Pages.ConnectionsPage"
+x:Class="Xamarin.Neo4j.Pages.ConnectionsPage"
              x:Name="connectionsPage"
-             Title="Connections">
-    <ContentPage.Resources>
-        <ResourceDictionary>
-            <converters:IsActiveConnectionConverter x:Key="isActiveConnection" />
-        </ResourceDictionary>
-    </ContentPage.Resources>
-
-    <ContentPage.IconImageSource>
-        <FontImageSource
-            FontFamily="{StaticResource FontAwesomeSolid}"
-            Glyph="{x:Static fonts:FontAwesomeSolid.Server}"
-            Size="20" />
-    </ContentPage.IconImageSource>
+             Title="PocketGraph">
 
     <ContentPage.ToolbarItems>
-        <ToolbarItem Command="{Binding Commands[StartSession]}">
-            <ToolbarItem.IconImageSource>
-                <FontImageSource
-                    FontFamily="{StaticResource FontAwesomeSolid}"
-                    Glyph="{x:Static fonts:FontAwesomeSolid.Terminal}" Size="20" />
-            </ToolbarItem.IconImageSource>
-        </ToolbarItem>
-
-        <ToolbarItem Command="{Binding Commands[AddConnection]}">
-            <ToolbarItem.IconImageSource>
-                <FontImageSource
-                    FontFamily="{StaticResource FontAwesomeSolid}"
-                    Glyph="{x:Static fonts:FontAwesomeSolid.PlusCircle}" Size="20" />
-            </ToolbarItem.IconImageSource>
-        </ToolbarItem>
+        <ToolbarItem Text="Settings" Order="Secondary" Command="{Binding Commands[OpenSettings]}" />
     </ContentPage.ToolbarItems>
 
     <ContentPage.Content>
         <Grid>
-            <ListView ItemsSource="{Binding ConnectionStrings}" HasUnevenRows="True" SelectionMode="None" ItemTapped="SetActive" IsVisible="{Binding HasItems}">
+            <ListView ItemsSource="{Binding ConnectionStrings}" HasUnevenRows="True" SelectionMode="None" ItemTapped="OpenSession" IsVisible="{Binding HasItems}">
                 <ListView.ItemTemplate>
                     <DataTemplate>
-                        <controls:ConnectionCell IsActive="{Binding ., Converter={StaticResource isActiveConnection}}">
+                        <controls:ConnectionCell>
                             <controls:ConnectionCell.ContextActions>
                                 <MenuItem Text="Edit" Command="{Binding BindingContext.Commands[EditConnectionString], Source={x:Reference connectionsPage}}" CommandParameter="{Binding .}" />
                                 <MenuItem Text="Delete" Command="{Binding BindingContext.Commands[DeleteConnectionString], Source={x:Reference connectionsPage}}" CommandParameter="{Binding .}" IsDestructive="true" />
@@ -58,18 +31,30 @@
                 <Label Text="{x:Static fonts:FontAwesomeSolid.Server}"
                        FontFamily="{StaticResource FontAwesomeSolid}"
                        FontSize="48"
-                       TextColor="{StaticResource SecondaryTextColor}"
+                       TextColor="{DynamicResource SecondaryTextColor}"
                        HorizontalOptions="Center" />
                 <Label Text="No connections"
                        FontSize="18"
                        FontAttributes="Bold"
-                       TextColor="{StaticResource SecondaryTextColor}"
+                       TextColor="{DynamicResource SecondaryTextColor}"
                        HorizontalOptions="Center" />
                 <Label Text="Tap + to add a connection"
                        FontSize="14"
-                       TextColor="{StaticResource SecondaryTextColor}"
+                       TextColor="{DynamicResource SecondaryTextColor}"
                        HorizontalOptions="Center" />
             </StackLayout>
+
+            <!-- FAB -->
+            <Button Text="{x:Static fonts:FontAwesomeSolid.Plus}"
+                    FontFamily="{StaticResource FontAwesomeSolid}"
+                    FontSize="20"
+                    WidthRequest="56" HeightRequest="56"
+                    CornerRadius="28"
+                    BackgroundColor="{DynamicResource Accent}"
+                    TextColor="White"
+                    VerticalOptions="End" HorizontalOptions="End"
+                    Margin="0,0,16,16"
+                    Command="{Binding Commands[AddConnection]}" />
         </Grid>
     </ContentPage.Content>
 </ContentPage>

Xamarin.Neo4j/Xamarin.Neo4j/Xamarin.Neo4j/Pages/ConnectionsPage.xaml.cs

@@ -26,14 +26,25 @@ namespace Xamarin.Neo4j.Pages
 
         protected override void OnAppearing()
         {
+            App.ThemeChanged += OnThemeChanged;
             ViewModel.LoadConnectionStrings();
-
             base.OnAppearing();
         }
 
-        private void SetActive(object sender, ItemTappedEventArgs e)
+        protected override void OnDisappearing()
         {
-            ViewModel.SetActiveConnectionString((Neo4jConnectionString)e.Item);
+            App.ThemeChanged -= OnThemeChanged;
+            base.OnDisappearing();
+        }
+
+        private void OnThemeChanged(object sender, EventArgs e)
+        {
+            ViewModel.LoadConnectionStrings();
+        }
+
+        private void OpenSession(object sender, ItemTappedEventArgs e)
+        {
+            ViewModel.OpenSession((Neo4jConnectionString)e.Item);
         }
     }
 }

Xamarin.Neo4j/Xamarin.Neo4j/Xamarin.Neo4j/ViewModels/ConnectionsViewModel.cs

@@ -50,16 +50,9 @@ namespace Xamarin.Neo4j.ViewModels
                 LoadConnectionStrings();
             }));
 
-            Commands.Add("StartSession", new Command(async () =>
+            Commands.Add("OpenSettings", new Command(async () =>
             {
-                if (ConnectionStringManager.ActiveConnectionString == null)
-                {
-                    await Application.Current.MainPage.DisplayAlert("", "Please select a connection before starting a session.", "OK");
-
-                    return;
-                }
-
-                await Navigation.PushAsync(new SessionPage(ConnectionStringManager.ActiveConnectionString));
+                await Navigation.PushAsync(new SettingsPage());
             }));
         }
 
@@ -74,11 +67,11 @@ namespace Xamarin.Neo4j.ViewModels
             ConnectionStrings = await ConnectionStringManager.GetConnectionStrings();
         }
 
-        public void SetActiveConnectionString(Neo4jConnectionString connectionString)
+        public async void OpenSession(Neo4jConnectionString connectionString)
         {
-            ConnectionStringManager.ActiveConnectionString = ConnectionStringManager.ActiveConnectionString?.Id == connectionString.Id ? null : connectionString;
-
+            ConnectionStringManager.ActiveConnectionString = connectionString;
             LoadConnectionStrings();
+            await Navigation.PushAsync(new SessionPage(connectionString));
         }
 
         #region Bindable Properties