prs/prs.mobile/comal.timesheets/BarcodeForm.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" 
    x:Class="comal.timesheets.BarcodeForm"
    xmlns:rbBarcode="clr-namespace:Rb.Forms.Barcode.Pcl;assembly=Rb.Forms.Barcode.Pcl"
>
    
    <ContentPage.Content>

        <RelativeLayout>
            
            <rbBarcode:BarcodeScanner x:Name="barcodeScanner"
                RelativeLayout.WidthConstraint="{ConstraintExpression Type=RelativeToParent, Property=Width, Factor=1}"
                RelativeLayout.HeightConstraint="{ConstraintExpression Type=RelativeToParent, Property=Height, Factor=1}"
                PreviewActivatedCommand="{Binding PreviewActivatedCommand}"
                BarcodeChangedCommand="{Binding BarcodeChangedCommand}"
                BarcodeDecodedCommand="{Binding BarcodeDecodedCommand}"
                PreviewActive="{Binding Preview}"
                Torch="{Binding Torch}"
                BarcodeDecoder="{Binding Decoder}"
            />

            <BoxView Color="Transparent"
                RelativeLayout.WidthConstraint="{ConstraintExpression Type=RelativeToParent, Property=Width, Factor=1}"
                RelativeLayout.HeightConstraint="{ConstraintExpression Type=RelativeToParent, Property=Height, Factor=1}"
            />

            <BoxView x:Name="flash" Color="White" Opacity="0"
                RelativeLayout.WidthConstraint="{ConstraintExpression Type=RelativeToParent, Property=Width, Factor=1}"
                RelativeLayout.HeightConstraint="{ConstraintExpression Type=RelativeToParent, Property=Height, Factor=1}"
            />

            <BoxView Color="Red" HeightRequest="1" IsVisible="{Binding Initialized}"
                RelativeLayout.XConstraint="{ConstraintExpression Type=RelativeToParent, Property=Width, Factor=0.1}"
                RelativeLayout.YConstraint="{ConstraintExpression Type=RelativeToParent, Property=Height, Factor=0.5, Constant=-1}"
                RelativeLayout.WidthConstraint="{ConstraintExpression Type=RelativeToParent, Property=Width, Factor=0.8}"
            />

            <Label TextColor="Red" FontSize="17" XAlign="Center" 
                Text="{Binding Barcode}"
                RelativeLayout.XConstraint="{ConstraintExpression Type=RelativeToParent, Property=Width, Factor=0}"
                RelativeLayout.YConstraint="{ConstraintExpression Type=RelativeToParent, Property=Height, Factor=0.5, Constant=20}"
                RelativeLayout.WidthConstraint="{ConstraintExpression Type=RelativeToParent, Property=Width, Factor=1}"
            />

        </RelativeLayout>
        
    </ContentPage.Content>
</ContentPage>