bug 处理

lib/NewMessageModel/page/messagePage/MessagePage.dart

 import 'dart:async';
-
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
@@ -83,7 +82,9 @@ class _MessagePageState extends BasePage<MessagePage> {
           ),
               elevation: 0,
         ),
-        body: SmartRefresher(
+        body: Container(
+          color: ALColors.ColorFFFFFF,
+          child: SmartRefresher(
             enablePullDown: false,
             enablePullUp: true,
             footer: CustomFooter(
@@ -130,11 +131,17 @@ class _MessagePageState extends BasePage<MessagePage> {
             ),
             controller: _refreshController,
             onLoading: () => _onLoading(context),
-            child: Container(
-                color: ALColors.ColorFFFFFF,
-                child: SingleChildScrollView(
-                    child: Column(
-                        children: <Widget>[topCard(), getListView()])))));
+            child: CustomScrollView(
+                  slivers: <Widget>[
+                    SliverToBoxAdapter(
+                      child: topCard(),
+                    ),
+                    getListView()
+                  ],
+                )
+            ),
+        )
+          );
   }
 
   Widget getListView() {
@@ -144,13 +151,19 @@ class _MessagePageState extends BasePage<MessagePage> {
         builder: (BuildContext context, data) {
           var dataList = data?.data?.data;
           if (dataList == null) {
-            return noData();
+            return SliverFillViewport(
+              delegate: SliverChildListDelegate([
+                Container()
+              ])
+            );
           }
-          return ListView.builder(
-            shrinkWrap: true,
-            physics: NeverScrollableScrollPhysics(),
-            itemBuilder: (c, i) => messageList(dataList[i]),
-            itemCount: dataList.length,
+          return SliverList(
+            delegate: SliverChildBuilderDelegate(
+              (BuildContext context, int index) {
+                return messageList(dataList[index]);
+              },
+              childCount: dataList.length
+            ),
           );
         });
   }

lib/NewMessageModel/page/messagePage/common.dart

@@ -213,11 +213,16 @@ Widget messageList(Data list) {
                       'alpha://topic_detail?topic_id=${list.repliedContent.topicId}'
                 });
               },
-              child: Image.network(
-                list.repliedContent.content,
+              child: Container(
                 width: ScreenUtil.instance.setWidth(48),
-                fit: BoxFit.fill,
-              ))
+                height: ScreenUtil.instance.setHeight(48),
+                child: Image.network(
+                  list.repliedContent.content != null ? list.repliedContent.content : 'http://alpha.iyanzhi.com/topic/2019/08/16/63ef62d019-w',
+                  width: ScreenUtil.instance.setWidth(48),
+                  height: ScreenUtil.instance.setHeight(48)
+                ),
+              )
+            )
         ],
       ));
 }