prs/prs.mobile/comal.timesheets/DigitalForms/Editor/CustomUserControls/CustomPickeriOS.xaml

<?xml version="1.0" encoding="UTF-8"?>
<ContentView xmlns="http://xamarin.com/schemas/2014/forms" 
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="comal.timesheets.CustomPickeriOS">
  <ContentView.Content>
        <Grid>
            <Grid.RowDefinitions>
                <RowDefinition Height="50" x:Name="buttonRow"/>
                <RowDefinition Height="0" x:Name="listViewRow"/>
            </Grid.RowDefinitions>
            <Button Grid.Row="0" x:Name="selectBtn" Text="Select an Option" CornerRadius="10"
                    Clicked="SelectBtn_Clicked" TextColor="White" BackgroundColor="#15C7C1" VerticalOptions="FillAndExpand"/>
            <ListView Grid.Row="1" x:Name="listView" HasUnevenRows="True" IsVisible="false">
                <ListView.ItemTemplate>
                    <DataTemplate>
                        <ViewCell Tapped="Cell_Tapped">
                            <Label Text="{Binding OptionString}" HorizontalOptions="Center" VerticalOptions="Center" LineBreakMode="WordWrap"
                                   HorizontalTextAlignment="Center" FontSize="Medium"/>
                        </ViewCell>
                    </DataTemplate>
                </ListView.ItemTemplate>
            </ListView >
        </Grid>
    </ContentView.Content>
</ContentView>