feat(flutter): 重构四 Tab 与浏览页

lib/core/widgets/remote_image.dart

@@ -1,3 +1,5 @@
+// Author: fruit.com.cn
+
 import 'package:flutter/material.dart';
 
 import '../config/app_config.dart';
@@ -13,6 +15,7 @@ class RemoteImage extends StatelessWidget {
     this.fit = BoxFit.cover,
     this.showFallbackIcon = false,
     this.fallbackIconKey,
+    this.fallbackAspectRatio,
   });
 
   final String path;
@@ -21,6 +24,7 @@ class RemoteImage extends StatelessWidget {
   final BoxFit fit;
   final bool showFallbackIcon;
   final Key? fallbackIconKey;
+  final double? fallbackAspectRatio;
 
   @override
   Widget build(BuildContext context) {
@@ -40,7 +44,7 @@ class RemoteImage extends StatelessWidget {
   }
 
   Widget _fallback() {
-    return Container(
+    final fallback = Container(
       width: width,
       height: height,
       color: AppColors.bar,
@@ -54,5 +58,8 @@ class RemoteImage extends StatelessWidget {
             )
           : null,
     );
+    final ratio = fallbackAspectRatio;
+    if (ratio == null) return fallback;
+    return AspectRatio(aspectRatio: ratio, child: fallback);
   }
 }