FeedbackLottie.xaml

<UserControl x:Class="LottieViewer.FeedbackLottie"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:animatedVisuals="using:AnimatedVisuals"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:local="using:LottieViewer"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:muxc="using:Microsoft.UI.Xaml.Controls"
             d:DesignHeight="300"
             d:DesignWidth="400"
             mc:Ignorable="d">
    <UserControl.Resources>
        <Storyboard x:Name="_fadeOutStoryboard">
            <DoubleAnimation Storyboard.TargetName="_dragNDropHintContainer"
                             Storyboard.TargetProperty="Opacity"
                             From="1.0"
                             To="0.0"
                             Duration="0:0:0.6" />
        </Storyboard>
    </UserControl.Resources>
    <Grid x:Name="_dragNDropHintContainer">
        <muxc:AnimatedVisualPlayer x:Name="_dragNDropHint"
                                    AutomationProperties.Name="Drop your JSON file here"
                                    AutoPlay="False">
            <animatedVisuals:UiFeedbackAnimations />
        </muxc:AnimatedVisualPlayer>
    </Grid>
</UserControl>