prs/prs.mobile/comal.timesheets/Scanner/ScannerPage.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:material="clr-namespace:XF.Material.Forms.UI;assembly=XF.Material"
    material:MaterialNavigationPage.AppBarTitleTextFontSize="16.0"     
    x:Class="comal.timesheets.ScannerPage">
    
    <NavigationPage.TitleView>
        <Grid Margin="0" Padding="0">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="*"/>
                <ColumnDefinition Width="*"/>
                <ColumnDefinition Width="*"/>
                <ColumnDefinition Width="5"/>
            </Grid.ColumnDefinitions>
            <Button Grid.Column="0" HorizontalOptions="Start" VerticalOptions="Center" TextColor="White" BackgroundColor="Transparent" Margin="0" Padding="0"
                Text="Back" Clicked="BackBtn_Clicked"/>
            <Label Grid.Column="1"  Text="Scanner" VerticalOptions="Center" x:Name="titleLbl"
                   HorizontalOptions="Center" HorizontalTextAlignment="Center" TextColor="White" FontSize="Medium" FontAttributes="Bold"/>
        </Grid>
    </NavigationPage.TitleView>
    <ContentPage.Content>
        <Grid Margin="10" x:Name="scannerGrid">
            <Grid.RowDefinitions>
                <RowDefinition Height="*"/>
                <RowDefinition Height="Auto"/>
            </Grid.RowDefinitions>
            <zxing:ZXingScannerView x:Name="_scanView" Grid.Row="0" OnScanResult="_scanView_OnScanResult" Margin="5,5,5,0" />
            <zxing:ZXingDefaultOverlay x:Name="scannerOverlay" Grid.Row="0" BottomText="Scan Barcode" Margin="5,5,5,0"/>
            <material:MaterialButton x:Name="Cancel" Grid.Row="1" Clicked="Cancel_Clicked" Text="Cancel" Margin="0,0,0,5" Padding="10"/>
        </Grid>
    </ContentPage.Content>
</ContentPage>