protected override async void OnAppearing()
{
    base.OnAppearing();
    await _cameraProvider.RefreshAvailableCameras(CancellationToken.None);

    CameraView.SelectedCamera = _cameraProvider.AvailableCameras
        .FirstOrDefault(c => c.Position == CameraPosition.Rear);
}

private async void OnCaptureButtonClicked(object sender, EventArgs e)
{
    if (!CameraView.IsAvailable)
    {
        await DisplayAlert("Camera Unavailable", "Camera is not available.", "OK");
        return;
    }

    try
    {
        await CameraView.CaptureImage(CancellationToken.None);
    }
    catch
    {
        // Ignore exceptions
    }
}

private async void OnMediaCaptured(object? sender, MediaCapturedEventArgs e)
{
    try
    {
        using var stream = (MemoryStream)e.Media;
        _stateService.CapturedPhotos.Add(stream.ToArray());
    }
    catch
    {
        // Ignore exceptions
    }
}