I am working on Xamarin forms cross platform app. I have a form where i need to show data in listview. 

Data is displaying but its not using entire space resulting in keeping unwanted space at bottom.

[![enter image description here](https://i.stack.imgur.com/tIE6s.png)](https://i.stack.imgur.com/tIE6s.png)

my xaml is as follows

```
<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="BMTHomesApp.Views.ImportantAppointments">
    <ContentPage.Content>
        <StackLayout VerticalOptions="StartAndExpand">
            <ListView HasUnevenRows="True" RowHeight="100" HeightRequest="-1" x:Name="ListViewAppointments" VerticalOptions="StartAndExpand">
                <ListView.ItemTemplate>
                    <DataTemplate>
                        <ViewCell>
                            <Grid Padding="20,0,0,0" ColumnSpacing="20">
                                <Grid.RowDefinitions>
                                    <RowDefinition Height="40"></RowDefinition>
                                    <RowDefinition Height="40"></RowDefinition>
                                </Grid.RowDefinitions>
                                <Grid.ColumnDefinitions>
                                    <ColumnDefinition Width="40"></ColumnDefinition>
                                    <ColumnDefinition Width="*"></ColumnDefinition>
                                </Grid.ColumnDefinitions>

                                <!--<BoxView Color="#f7f7f7" Grid.Column="0" Grid.RowSpan="2"/>
                                <BoxView Color="#ffffff" Grid.Column="1" Grid.RowSpan="2"/>-->
                                <Image Grid.RowSpan="2" Grid.Column="0" x:Name="ImageAppointmentIcon" Source="AppointmentsIcon.png" Aspect="AspectFit"></Image>
                                <Label TextColor="#00344e" FontAttributes="Bold" Text="{Binding Subject}" Grid.Row="0" Grid.Column="1" VerticalTextAlignment="End"></Label>
                                <Label TextColor="#0073ae" Text="{Binding StartDate}" Grid.Row="1" Grid.Column="1" VerticalTextAlignment="Start"></Label>
                            </Grid>
                        </ViewCell>
                    </DataTemplate>
                </ListView.ItemTemplate>
            </ListView>
            <ActivityIndicator x:Name="ActLoder"  HorizontalOptions="CenterAndExpand" Color="#ffffff" VerticalOptions="CenterAndExpand"  />
        </StackLayout>
    </ContentPage.Content>
</ContentPage>

```