1、设置SafeArea

lib/widget/my_refresh_list_public.dart

 import 'dart:io';
+
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+
 import 'state_layout.dart';
 
 /// 封装下拉刷新与加载更多
@@ -146,18 +148,16 @@ class _MyListViewPublicState extends State<MyListViewPublic> {
               ),
             ),
     );
-    return SafeArea(
-      child: NotificationListener(
-        onNotification: (ScrollNotification note) {
-          /// 确保是垂直方向滚动，且滑动至底部
-          if (note.metrics.pixels == note.metrics.maxScrollExtent &&
-              note.metrics.axis == Axis.vertical) {
-            _loadMore();
-          }
-          return true;
-        },
-        child: child,
-      ),
+    return NotificationListener(
+      onNotification: (ScrollNotification note) {
+        /// 确保是垂直方向滚动，且滑动至底部
+        if (note.metrics.pixels == note.metrics.maxScrollExtent &&
+            note.metrics.axis == Axis.vertical) {
+          _loadMore();
+        }
+        return true;
+      },
+      child: child,
     );
   }
 

lib/widget/my_scaffold.dart

 import 'package:flutter/material.dart';
 import 'package:keyboard_actions/keyboard_actions.dart';
+
 import 'my_app_bar.dart';
 import 'my_scroll_view.dart';
 
@@ -34,23 +35,18 @@ class MyScaffold extends StatelessWidget {
     return Scaffold(
       appBar: appBar ?? MyPageAppBar(title: title),
       backgroundColor: backgroundColor ?? const Color(0xFFf2f3f3),
-      body: _getBodyWidget(),
+      body: SafeArea(
+        child: body ??
+            MyScrollView(
+              padding: padding,
+              bottomButton: bottomButton,
+              crossAxisAlignment: crossAxisAlignment,
+              keyboardConfig: keyboardConfig,
+              children: children ?? [],
+            ),
+      ),
       floatingActionButton: floatingActionButton,
     );
   }
 
-  _getBodyWidget() {
-    if(body != null) {
-      return SafeArea(child: body!);
-    } else {
-      return MyScrollView(
-        padding: padding,
-        bottomButton: bottomButton,
-        crossAxisAlignment: crossAxisAlignment,
-        keyboardConfig: keyboardConfig,
-        children: children ?? [],
-      );
-    }
-  }
-
 }

lib/widget/my_scroll_view.dart

@@ -71,7 +71,7 @@ class MyScrollView extends StatelessWidget {
       contents = Column(
         children: <Widget>[
           Expanded(child: contents),
-          SafeArea(child: bottomButton!)
+          bottomButton!
         ],
       );
     }