@inject IStringLocalizer<BarcodeReaderNormal> Localizer
<BarcodeReader OnInit="@OnInit" OnResult="@OnResult" OnStart="@OnStart" OnClose="@OnClose" OnError="@OnError" />
<BlockLogger @ref="Trace" class="mt-3" />

@code {
    [NotNull]
    private BlockLogger? Trace { get; set; }

    private Task OnInit(IEnumerable<DeviceItem> devices)
    {
        var cams = string.Join("", devices.Select(i => i.Label));
        Trace.Log($"{Localizer["InitLog"]} {cams}");
        return Task.CompletedTask;
    }
    private Task OnResult(string barcode)
    {
        Trace.Log($"{Localizer["ScanCodeLog"]} {barcode}");
        return Task.CompletedTask;
    }

    private Task OnError(string error)
    {
        Trace.Log($"{Localizer["ErrorLog"]} {error}");
        return Task.CompletedTask;
    }

    private Task OnStart()
    {
        Trace.Log(Localizer["OpenCameraLog"]);
        return Task.CompletedTask;
    }

    private Task OnClose()
    {
        Trace.Log(Localizer["CloseCameraLog"]);
        return Task.CompletedTask;
    }
}

@inject IStringLocalizer<BarcodeReaderImage> Localizer

<BarcodeReader ScanType="@ScanType.Image" OnResult="@OnImageResult" OnError="@OnImageError" />
<BlockLogger @ref="Trace2" class="mt-3" />

@code {
    [NotNull]
    private BlockLogger? Trace2 { get; set; }

    private Task OnImageResult(string barcode)
    {
        Trace2.Log($"{Localizer["ScanCodeLog"]} {barcode}");
        return Task.CompletedTask;
    }

    private Task OnImageError(string err)
    {
        Trace2.Log($"{Localizer["ErrorLog"]} {err}");
        return Task.CompletedTask;
    }
}