formatting

@@ -50,7 +50,7 @@ class _BarcodeScannerWithScanWindowState
           return Stack(
             children: [
               MobileScanner(
-                fit: BoxFit.contain,
+                fit: BoxFit.cover,
                 scanWindow: scanWindow,
                 controller: controller,
                 onDetect: (barcode, args) {

@@ -92,7 +92,7 @@ class _MobileScannerState extends State<MobileScanner>
     /// map the texture size to get its new size after fitted to screen
     final fittedSizes = applyBoxFit(fit, textureSize, widgetSize);
     final fittedTextureSize = fittedSizes.destination;
-    
+
     /// create a new rectangle that represents the texture on the screen
     final minX = widgetSize.width / 2 - fittedTextureSize.width / 2;
     final minY = widgetSize.height / 2 - fittedTextureSize.height / 2;

@@ -156,7 +156,7 @@ class MobileScannerController {
     // Set the starting arguments for the camera
     final Map arguments = {};
     arguments['facing'] = facing.index;
- /*    if (scanWindow != null) {
+    /*    if (scanWindow != null) {
       arguments['scanWindow'] = [
         scanWindow!.left,
         scanWindow!.top,