Using Navigation Page to start the app, then content pages are navigated to. Note the HeighRequest need to be set really high for the images to appear. All images are embedded resources. Here is the XAML:
<telerikDataControls:RadListView HeightRequest="1500" x:Name="RADlistView"
BackgroundColor="White"
SelectedItem="{Binding objSelectedTumor, Mode=TwoWay}" >
<telerikDataControls:RadListView.ItemTemplate>
<DataTemplate>
<telerikListView:ListViewTemplateCell>
<telerikListView:ListViewTemplateCell.View>
<Grid Padding="10" RowSpacing="5" HorizontalOptions="Center" VerticalOptions="Center">
<Grid.RowDefinitions>
<RowDefinition Height="6*" />
<RowDefinition Height="*" />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<!--these options cause System.NullReferenceException: Object reference not set to an instance of an object in iOS.
HorizontalOptions="Center"
VerticalOptions="Center"-->
<controls:CircleImage Grid.Row="0"
Source="{Binding thumb_file_image_name} Converter={StaticResource ImageConverter}"
Aspect="AspectFit"
IsVisible="{StaticResource showSectionAndroidWin}"
>
<controls:CircleImage.WidthRequest>
<OnPlatform x:TypeArguments="x:Double"
iOS="55"
Android="55"
WinPhone="75"
/>
</controls:CircleImage.WidthRequest>
<controls:CircleImage.HeightRequest>
<OnPlatform x:TypeArguments="x:Double"
iOS="55"
Android="55"
WinPhone="75"
/>
</controls:CircleImage.HeightRequest>
</controls:CircleImage>
<Image Grid.Row="0"
Source="{Binding thumb_file_image_name} Converter={StaticResource ImageConverter}"
Aspect="AspectFit"
IsVisible="{StaticResource showSectioniOS}"
>
<Image.WidthRequest>
<OnPlatform x:TypeArguments="x:Double"
iOS="55"
Android="55"
WinPhone="75"
/>
</Image.WidthRequest>
<Image.HeightRequest>
<OnPlatform x:TypeArguments="x:Double"
iOS="55"
Android="55"
WinPhone="75"
/>
</Image.HeightRequest>
</Image>
<Grid Grid.Row="1"
Grid.Column="0"
RowSpacing="1"
VerticalOptions="Start"
HorizontalOptions="Center"
>
<Grid.RowDefinitions>
<RowDefinition Height="*" />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<Label Grid.Row="0"
Grid.Column="0"
LineBreakMode="NoWrap"
BackgroundColor="Transparent"
HorizontalTextAlignment="Center"
VerticalTextAlignment="Center"
Text="{Binding name}"
TextColor="#81AABC">
<Label.FontSize>
<OnPlatform x:TypeArguments="x:Double">
<OnPlatform.WinPhone>
<OnIdiom x:TypeArguments="x:Double">
<OnIdiom.Phone>14</OnIdiom.Phone>
</OnIdiom>
</OnPlatform.WinPhone>
<OnPlatform.Android>
<OnIdiom Phone="10"
Tablet="12"
x:TypeArguments="x:Double" />
</OnPlatform.Android>
<OnPlatform.iOS>
<OnIdiom Phone="10"
Tablet="12"
x:TypeArguments="x:Double" />
</OnPlatform.iOS>
</OnPlatform>
</Label.FontSize>
</Label>
</Grid>
</Grid>
</telerikListView:ListViewTemplateCell.View>
</telerikListView:ListViewTemplateCell>
</DataTemplate>
</telerikDataControls:RadListView.ItemTemplate>
<telerikDataControls:RadListView.LayoutDefinition>
<telerikListView:ListViewGridLayout x:Name="gridLayout"
VerticalItemSpacing="5"
HorizontalItemSpacing="5"
SpanCount="5"
ItemLength="180" />
</telerikDataControls:RadListView.LayoutDefinition>
</telerikDataControls:RadListView>