slider.xaml

<StackLayout VerticalOptions="Center">
            <Label x:Name="lblText" Text="0" HorizontalOptions="Start" FontSize="Micro" HorizontalTextAlignment="Center" VerticalOptions="EndAndExpand" >
            <Label.Margin>
                <OnPlatform x:TypeArguments="Thickness">
                    <On Platform="iOS" Value="15,0" />
                    <On Platform="Android" Value="10,0" />
                </OnPlatform>
                </Label.Margin>
            </Label>
            <Slider x:Name="mySlider" Maximum="10000" Minimum="100" HorizontalOptions="FillAndExpand" ValueChanged="Handle_ValueChanged" >
                <Slider.Margin>
                <OnPlatform x:TypeArguments="Thickness">
                    <On Platform="iOS" Value="10,0" />
                </OnPlatform>
                </Slider.Margin>
            </Slider>
        </StackLayout>