prs/prs.mobile/comal.timesheets/StoreRequis/StoreRequisMainPage.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:zxing="clr-namespace:ZXing.Net.Mobile.Forms;assembly=ZXing.Net.Mobile.Forms" xmlns:customcontrols="clr-namespace:comal.timesheets.CustomControls"
             x:Class="comal.timesheets.StoreRequis.StoreRequisMainPage"
             Title="Store Requis">
    <ContentPage.ToolbarItems>
        <ToolbarItem Text="Add" Clicked="Add_Clicked"/>
        <ToolbarItem Text="   "/>
        <ToolbarItem Text="Next" Clicked="NextBtn_Clicked"/>
    </ContentPage.ToolbarItems>
    <ContentPage.Content>

        <Grid>
            <Grid.RowDefinitions>
                <RowDefinition Height="auto"/>
                <RowDefinition Height="auto"/>
                <RowDefinition Height="auto"/>
            </Grid.RowDefinitions>
            <zxing:ZXingScannerView x:Name="_scanView" Grid.Row="0" VerticalOptions="FillAndExpand" HeightRequest="100"/>
            <zxing:ZXingDefaultOverlay x:Name="scannerOverlay" Grid.Row="0" BottomText="Scan Barcode" VerticalOptions="FillAndExpand" HeightRequest="100"/>

            <Frame x:Name="requestFrame" IsVisible="false" Grid.Row="1" HasShadow="False"
                       Padding="7" Margin="5,2,5,2" BorderColor="PaleVioletRed" CornerRadius="10">
            </Frame>

            <ScrollView x:Name="itemsScroller" VerticalOptions="FillAndExpand" Grid.Row="2">
                <Grid>
                    <Grid.RowDefinitions>
                        <RowDefinition Height="auto"/>
                        <RowDefinition Height="auto"/>
                    </Grid.RowDefinitions>
                    <StackLayout x:Name="itemRowsFlexlayout" Grid.Row="0"/>
                    <Label Grid.Row="1" HeightRequest="1000"/>
                </Grid>

            </ScrollView>

            

        </Grid>

    </ContentPage.Content>
</ContentPage>