Greetings Support members,
I'm facing the same issue although it seems it isn't related to only iPhone X. I've tested both on iOs 7 and 8 and the view is still now being shown, although it works with the vanilla ListView from Xamarin.Forms.
While checking other threads I followed the idea of setting the RadListView within a Grid instead of StackLayout and it also failed to show any data on the page. The code is as shown below.
It's also worth noting that I'm using Xamarin.Forms with .net standard 2.0 (which gives me an alert of Telerik being restored with .net framework 4.6.1 instead of standard 2.0). My Telerik.UI.for.Xamarin is 2017.3.1214.2 and my Xamarin.Forms is 2.5.0.121934. I'm also using Prism library.
XAML:
<?xml version="1.0" encoding="utf-8" ?>
xmlns:prism="clr-namespace:Prism.Mvvm;assembly=Prism.Forms"
prism:ViewModelLocator.AutowireViewModel="True"
x:Class="StudentLoungeApp.Views.HorarioSalaPage"
xmlns:telerikDataControls="clr-namespace:Telerik.XamarinForms.DataControls;assembly=Telerik.XamarinForms.DataControls"
xmlns:telerikListView="clr-namespace:Telerik.XamarinForms.DataControls.ListView;assembly=Telerik.XamarinForms.DataControls"
xmlns:ios="clr-namespace:Xamarin.Forms.PlatformConfiguration.iOSSpecific;assembly=Xamarin.Forms.Core"
ios:Page.UseSafeArea="true"
>
<RelativeLayout
AbsoluteLayout.LayoutBounds="1, 1, 1, 1"
AbsoluteLayout.LayoutFlags="All">
<BoxView
x:Name="banner"
BackgroundColor="{StaticResource magenta_2}"
RelativeLayout.HeightConstraint="{ConstraintExpression
Type=RelativeToParent,
Property=Height,
Factor=0.25}"
RelativeLayout.WidthConstraint="{ConstraintExpression
Type=RelativeToParent,
Property=Width,
Factor=1}" />
<!-- Icone de Notificações -->
<Grid
RelativeLayout.HeightConstraint="{ConstraintExpression
Type=RelativeToParent,
Property=Height,
Factor=0.25}"
RelativeLayout.WidthConstraint="{ConstraintExpression
Type=RelativeToParent,
Property=Width,
Factor=1}" >
<Grid.ColumnDefinitions>
<ColumnDefinition />
<ColumnDefinition />
<ColumnDefinition />
</Grid.ColumnDefinitions>
<Grid Grid.Column="2">
<Image Source="alarmbell.png"
HeightRequest="20"
WidthRequest="20"/>
<BoxView
x:Name="notificacoes"
BackgroundColor="Transparent"
HeightRequest="200"
WidthRequest="200"/>
</Grid>
</Grid>
<StackLayout
HorizontalOptions="FillAndExpand"
VerticalOptions="FillAndExpand"
Orientation="Horizontal"
RelativeLayout.WidthConstraint="{ConstraintExpression
Type=RelativeToParent,
Property=Width}"
RelativeLayout.YConstraint="{ConstraintExpression
Type=RelativeToView,
ElementName=banner,
Property=Height,
Factor=1,
Constant=0}">
<telerikDataControls:RadListView
x:Name="listViewAulas"
ItemsSource="{Binding Aulas}"
VerticalOptions="FillAndExpand"
HorizontalOptions="Fill"
SelectionMode="Single"
SelectionGesture="Tap"
ItemTapped="OnItemTapped">
<telerikDataControls:RadListView.ItemTemplate>
<DataTemplate>
<telerikListView:ListViewTemplateCell>
<telerikListView:ListViewTemplateCell.View>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition />
<ColumnDefinition />
<ColumnDefinition />
<ColumnDefinition />
<ColumnDefinition />
</Grid.ColumnDefinitions>
<Grid Grid.Column="0" Margin="15">
<Label FontSize="Small" Text="{Binding Horario}" />
</Grid>
<Grid Grid.Column="1" Grid.ColumnSpan="4" Margin="15">
<StackLayout Orientation="Vertical">
<Label FontSize="Medium" FontAttributes="Bold" Text="{Binding Disciplina}" />
<Label Text="{Binding ProfessorSala }" />
<Label Text="{Binding TemaDaAula}" />
</StackLayout>
</Grid>
</Grid>
</telerikListView:ListViewTemplateCell.View>
</telerikListView:ListViewTemplateCell>
</DataTemplate>
</telerikDataControls:RadListView.ItemTemplate>
<telerikDataControls:RadListView.GroupDescriptors>
<telerikListView:PropertyGroupDescriptor PropertyName="Grupo"/>
</telerikDataControls:RadListView.GroupDescriptors>
<telerikDataControls:RadListView.GroupHeaderTemplate>
<DataTemplate>
<Grid BackgroundColor="#C1C1C1">
<Label Text="{Binding }" TextColor="#303030" FontSize="Medium" HorizontalOptions="Center"/>
</Grid>
</DataTemplate>
</telerikDataControls:RadListView.GroupHeaderTemplate>
</telerikDataControls:RadListView>
</StackLayout>
</RelativeLayout>
</ContentPage>
C#
using Prism.Navigation;
using Prism.Services;
using StudentLoungeApp.Interfaces.AppServices.Aulas;
using StudentLoungeApp.Models.Entidades.Aula;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Threading.Tasks;
namespace StudentLoungeApp.ViewModels
{
public class HorarioSalaPageViewModel : ViewModelBase
{
private readonly IPageDialogService _pageDialogService;
private readonly IHorarioSalaAlunoAppService _horarioAulaAlunoAppService;
public HorarioSalaPageViewModel(INavigationService navigationService,
IPageDialogService pageDialogService,
IHorarioSalaAlunoAppService horarioAulaAlunoAppService)
: base(navigationService)
{
_pageDialogService = pageDialogService;
_horarioAulaAlunoAppService = horarioAulaAlunoAppService;
Aulas = Aulas ?? new ObservableCollection<HorarioAulaAluno>();
}
public override async void OnNavigatingTo(NavigationParameters parameters)
{
base.OnNavigatingTo(parameters);
var aulas = await _horarioAulaAlunoAppService.ObterHorarioDoDia();
foreach (var aula in aulas)
{
Aulas.Add(aula);
}
}
private ObservableCollection<HorarioAulaAluno> _aulas;
public ObservableCollection<HorarioAulaAluno> Aulas
{
get { return this._aulas ?? _aulas ; }
set { SetProperty(ref _aulas, value); }
}
public async Task ObterDetalhesAula(HorarioAulaAluno model)
{
var navigationParams = new NavigationParameters();
navigationParams.Add("model", model);
await NavigationService.NavigateAsync("DetalheAulaAlunoPage", navigationParams, null, true);
}
}
}