s

wallpaper/lib/pages/imgscanpage/imgscanpage_view.dart

@@ -15,8 +15,11 @@ class ImgScanPageView extends GetView {
   @override 
   Widget build(BuildContext context) {
     return Scaffold(
+      backgroundColor: Colors.black,
       appBar: AppBar(
         title: const Text("查看大图"),
+        backgroundColor: Colors.transparent,
+        foregroundColor: Colors.white,
       ),
       body: Stack(
         children: [
@@ -54,14 +57,31 @@ class ImgScanPageView extends GetView {
               ),
           Align(
             alignment: Alignment.bottomCenter,
-              child: SizedBox(
+            child: Container(
-                height: 90,
+                    color: Colors.black.withAlpha(160),
-                 width: 90,
+                    height: 100,
-                child: IconButton(onPressed: (){
+                    width: double.infinity,
-                          // print("download.....");
+                    child: Row(
-                        }, 
+                        mainAxisAlignment: MainAxisAlignment.center,
-                        icon: const Icon(Icons.download),
+                        mainAxisSize: MainAxisSize.max,
-                        color: Colors.white,
+        //                交叉轴的布局方式，对于column来说就是水平方向的布局方式
+                        crossAxisAlignment: CrossAxisAlignment.center,
+                        children: [
+                          const Spacer(
+                          ),
+                          IconButton(onPressed:() {
+                            print("download....");
+
+                          }, icon: Icon(Icons.download),color: Colors.white,),
+                          const Spacer(
+                          ),
+                          IconButton(onPressed:() {
+                            print("设置壁纸");
+
+                          }, icon: Icon(Icons.wallpaper),color: Colors.white,),
+                          const Spacer(
+                          ),
+                        ],
                       ),
                   ),
           ),