Displaying Xamarin's CollectionView Items from different sources inside StackLayout is not displaying properly

Question

I am working with Xamarin's CollectionView and Stacklayout and I'm trying to display item lists from different sources in the form of collection views. However, the output of the code shown below is something I didn't expect it. The result of the first collection view is getting displayed in a small window and all the remaining items can be read by scrolling. However, I want to display them all without using a scroll and the same should work if more collectionviews are added in the code. Is there anything I'm missing here?

<?xml version="1.0" encoding="UTF-8"?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms" 
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             Title="Arhoo"
             x:Class="Arhoo.Pages.MainFeedPage">

        <StackLayout>
            <StackLayout VerticalOptions="FillAndExpand">                
                <CollectionView x:Name="ItemsListView" 
                        ItemsSource="{Binding Hotels}" 
                        VerticalOptions="FillAndExpand" Margin="10" Visual="Material">

                    <CollectionView.Header>
                        <StackLayout BackgroundColor="LightGray" HeightRequest="50" >
                            <Label Visual="Material" Text="Hotels" FontSize="Medium" FontAttributes="Bold" />
                        </StackLayout>
                    </CollectionView.Header>
                    <CollectionView.ItemsLayout>
                        <GridItemsLayout Orientation="Vertical"  Span="2"/>
                    </CollectionView.ItemsLayout>
                    <CollectionView.EmptyView>
                        <StackLayout>
                            <Label HorizontalOptions="CenterAndExpand" VerticalOptions="CenterAndExpand" Text="Loading Hotels"/>
                        </StackLayout>
                    </CollectionView.EmptyView>
                    <CollectionView.ItemTemplate>
                        <DataTemplate>
                            <StackLayout Visual="Material">
                                <ContentView Padding="10">
                                    <Frame HasShadow="false" OutlineColor="#2f2f2f" Padding="0" CornerRadius="2">
                                        <Grid BackgroundColor="#f2f2f2" MinimumHeightRequest="400">
                                            <Image Source="{Binding Image}" Aspect="AspectFill"/>
                                            <BoxView BackgroundColor="#000000" Opacity="0.4"/>
                                            <Label Text="{Binding Text}" Margin="15" TextColor="White" VerticalOptions="End"
                                       VerticalTextAlignment="End" LineBreakMode="NoWrap" FontSize="18" />
                                        </Grid>
                                    </Frame>
                                </ContentView>
                            </StackLayout>
                        </DataTemplate>
                    </CollectionView.ItemTemplate>
                </CollectionView>

            </StackLayout>            
            <StackLayout VerticalOptions="FillAndExpand">

                <CollectionView x:Name="TOsListView" 
                        ItemsSource="{Binding TourOperators}" 
                        VerticalOptions="FillAndExpand" >
                    <CollectionView.Header>
                        <StackLayout BackgroundColor="LightGray" HeightRequest="20" >
                            <Label Margin="10,0,0,0" Text="Tour Operators" FontSize="Medium" FontAttributes="Bold" />
                        </StackLayout>
                    </CollectionView.Header>
                    <CollectionView.ItemsLayout>
                        <GridItemsLayout 
                    Orientation="Vertical"
                    Span="2"/>
                    </CollectionView.ItemsLayout>
                    <CollectionView.EmptyView>
                        <StackLayout>
                            <Label 
                        HorizontalOptions="CenterAndExpand"
                        VerticalOptions="CenterAndExpand"
                        Text="Loading TOs"/>
                        </StackLayout>
                    </CollectionView.EmptyView>
                    <CollectionView.ItemTemplate>
                        <DataTemplate>
                            <ContentView Padding="10" >
                                <Frame HasShadow="false"
                               OutlineColor="#2f2f2f"
                               Padding="0"
                               CornerRadius="2">
                                    <Grid BackgroundColor="#f2f2f2">

                                        <Image Source="{Binding Image}"
                                       Aspect="AspectFill"/>

                                        <BoxView BackgroundColor="#000000"
                                         Opacity="0.4"/>

                                        <Label Text="{Binding Text}"
                                       Margin="15"
                                       TextColor="White"
                                       VerticalOptions="End"
                                       VerticalTextAlignment="End"
                                       LineBreakMode="NoWrap" 
                                       FontSize="18" />
                                    </Grid>
                                </Frame>
                            </ContentView>
                        </DataTemplate>
                    </CollectionView.ItemTemplate>
                </CollectionView>
            </StackLayout>
        </StackLayout> 



</ContentPage>

Answer 1

I have added a <ScrollView> at my code and the collectionview items displayed as I wanted it. Here is the modified code that is working for me.

  ?xml version="1.0" encoding="UTF-8"?>
    <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" 
                 xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
                 Title="Arhoo" 
                 x:Class="Arhoo.Pages.MainFeedPage">
        <ScrollView>
            <StackLayout>  
           <CollectionView x:Name="HotelsListView" ... </CollcetionView>
</StackLayout>
<StackLayout>  
           <CollectionView x:Name="HotelsListView" ... </CollcetionView>
</StackLayout>
<StackLayout>  
           <CollectionView x:Name="HotelsListView" ... </CollcetionView>
</StackLayout>
</StackLayout>

    </ScrollView>

</ContentPage>