ulapp/FieldLogger/Views/DeviceScanPage.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:vm="clr-namespace:FieldLogger.ViewModels"
             xmlns:ble="clr-namespace:FieldLogger.Services.Ble"
             x:Class="FieldLogger.Views.DeviceScanPage"
             x:DataType="vm:DeviceScanViewModel"
             Title="{Binding Title}">
    <Grid RowDefinitions="Auto,Auto,*" Padding="16" RowSpacing="12">

        <Label Grid.Row="0" Text="{Binding Hint}" FontSize="13" TextColor="Gray" />

        <HorizontalStackLayout Grid.Row="1" Spacing="12">
            <Button Text="{Binding ScanButtonText}" Command="{Binding ScanCommand}" IsEnabled="{Binding IsScanning, Converter={StaticResource InvertBool}}" />
            <ActivityIndicator IsRunning="{Binding IsScanning}" VerticalOptions="Center" />
        </HorizontalStackLayout>

        <CollectionView Grid.Row="2" ItemsSource="{Binding Devices}">
            <CollectionView.EmptyView>
                <Label Text="No devices found yet." TextColor="Gray" Margin="8" />
            </CollectionView.EmptyView>
            <CollectionView.ItemTemplate>
                <DataTemplate x:DataType="ble:DiscoveredDevice">
                    <Border StrokeThickness="0" Background="{AppThemeBinding Light=#F2F2F7, Dark=#1C1C1E}"
                            StrokeShape="RoundRectangle 10" Padding="12" Margin="0,4">
                        <Border.GestureRecognizers>
                            <TapGestureRecognizer
                                Command="{Binding SelectCommand, Source={RelativeSource AncestorType={x:Type vm:DeviceScanViewModel}}}"
                                CommandParameter="{Binding .}" />
                        </Border.GestureRecognizers>
                        <Grid ColumnDefinitions="*,Auto">
                            <VerticalStackLayout Spacing="2">
                                <Label Text="{Binding Name}" FontAttributes="Bold" />
                                <Label Text="{Binding Id}" FontSize="11" TextColor="Gray" />
                            </VerticalStackLayout>
                            <Label Grid.Column="1" VerticalOptions="Center" FontSize="12" TextColor="Gray"
                                   Text="{Binding Rssi, StringFormat='{0} dBm'}" />
                        </Grid>
                    </Border>
                </DataTemplate>
            </CollectionView.ItemTemplate>
        </CollectionView>
    </Grid>
</ContentPage>