drumkit-old/DrumKit/bin/Release/AppX/UI/MainPage.xaml

<Page
    x:Class="DrumKit.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:DrumKit"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">

    <Grid
        Background="{StaticResource ApplicationPageBackgroundThemeBrush}">
    
        <Image Source="ms-appx:///Assets/bg.png"
               Stretch="UniformToFill"/>
        
        <Grid Name="canvasContainer" />

        <Grid Visibility="Collapsed">
            <Border Margin="7"
                    CornerRadius="10" 
                    BorderBrush="Red" 
                    BorderThickness="5" />

            <Canvas Name="recCanvas">
                <Ellipse Width="18" Height="18" Fill="Red"
                         Canvas.Left="20"
                         Canvas.Top="20"/>
                <TextBlock
                           FontFamily="Consolas"
                           FontSize="16"
                           Foreground="Red"
                           Canvas.Left="42"
                           Canvas.Top="19">REC
                </TextBlock>
                
                <Canvas.Triggers>
                    <EventTrigger RoutedEvent="Canvas.Loaded">
                        <BeginStoryboard>
                            <Storyboard RepeatBehavior="Forever" >
                                <DoubleAnimation
                                    Storyboard.TargetName="recCanvas"
                                    Storyboard.TargetProperty="Opacity"
                                    Duration="0:0:1" BeginTime="0:0:1" From="1" To="0.1" />
                            </Storyboard>
                        </BeginStoryboard>
                    </EventTrigger>
                </Canvas.Triggers>
            </Canvas>
            <!--<StackPanel Orientation="Horizontal"
                        HorizontalAlignment="Left"
                        VerticalAlignment="Top">
                <Button>Record</Button>
                <Button>Stop</Button>
            </StackPanel>-->
        </Grid>

    </Grid>
    

    <Page.BottomAppBar>
        <AppBar>
            <StackPanel Orientation="Horizontal">
                <ToggleButton x:ConnectionId='1'
                    Name="buttonEditMode"
                                                  
                    Style="{StaticResource EditAppBarButtonStyle}" />
            </StackPanel>
        </AppBar>
    </Page.BottomAppBar>
</Page>