fix;修复图片预览组件 状态栏不沉沁

lib/upload_image/look_images_widget.dart

@@ -53,31 +53,29 @@ class _LookImagesWidgetState extends State<LookImagesWidget> {
 
   @override
   Widget build(BuildContext context) {
-    return GestureDetector(
-      onTap: () => Get.back(),
-      child: Stack(
+    return Scaffold(
+      body: Stack(
         children: [
-          Scaffold(
-            backgroundColor: Colors.black,
-            body: Center(
-              child: PhotoViewGallery.builder(
-                itemCount: listData.length,
-                pageController: PageController(initialPage: currentPage),
-                onPageChanged: (index) {
-                  setState(() {
-                    currentPage = index;
-                  });
-                },
-                builder: (_, index) {
-                  return PhotoViewGalleryPageOptions(
-                    imageProvider: NetworkImage(
-                      listData[index],
-                    ),
-                  );
-                },
-              ),
-            ),
+          PhotoViewGallery.builder(
+            itemCount: listData.length,
+            pageController: PageController(initialPage: currentPage),
+            onPageChanged: (index) {
+              setState(() {
+                currentPage = index;
+              });
+            },
+            builder: (_, index) {
+              return PhotoViewGalleryPageOptions(
+                imageProvider: NetworkImage(
+                  listData[index],
+                ),
+              );
+            },
           ),
+          Positioned(
+              left: 15,
+              top: 50,
+              child: GestureDetector(onTap: () => Get.back(), child: Icon(Icons.arrow_back_ios, color: Colors.white))),
           //图片张数指示器
           Positioned(
             left: 0,