定义主体颜色

netrain_flutter_app/lib/common/AppColors.dart

 /// 项目颜色配置
 class AppColors{
+  /// 标题背景颜色
+  static const titleBackgroundColor = 0xffffffff;
   /// 主色
   static const mainColor = 0xff2893FF;
   /// hint颜色
   static const hintText = 0xffb4b4b4;
   /// 输入框字体颜色
   static const EditTextColor = 0xff333333;
+  /// 页面背景颜色
+  static const scaffoldBackgroundColor = 0xffffffff;
+  /// 分割线颜色
+  static const dividerColor = 0xffeeeeee;
 
 }
\ No newline at end of file

netrain_flutter_app/lib/jishuaishuai/student.dart

 
-import 'dart:ffi';
-import 'dart:html';
+// import 'dart:ffi';
+// import 'dart:html';
 
 import 'package:flutter/material.dart';
 

netrain_flutter_app/lib/laishanqi/netrain/HomePage.dart

@@ -13,8 +13,7 @@ class _HomePageState extends State {
 
   @override
   Widget build(BuildContext context) {
-    return MaterialApp(
-      home: Scaffold(
+    return  Scaffold(
         bottomNavigationBar: BottomNavigationBar(
           backgroundColor: Colors.white,
           selectedFontSize: 10,
@@ -37,7 +36,6 @@ class _HomePageState extends State {
           ],
         ),
         body: showBody(),
-      ),
     );
   }
 

netrain_flutter_app/lib/laishanqi/netrain/user/RegisterPage.dart

@@ -38,11 +38,7 @@ class _RegisterState extends State {
   }
 
   Widget registerWidget() {
-    return MaterialApp(
-      theme: ThemeData(
-        primaryColor: Colors.white,
-      ),
-      home: Scaffold(
+    return Scaffold(
           appBar: AppBar(
             leading: IconButton(
               icon: Icon(Icons.arrow_back),
@@ -69,7 +65,6 @@ class _RegisterState extends State {
 
                 _getTextField("请输入9-16位密码",passwordController),
               ],
-            ),
           )),
     );
   }
@@ -77,10 +72,8 @@ class _RegisterState extends State {
   /// 输入框
   Widget _getTextField(String hintText,TextEditingController controller){
     return TextField(
-      style: TextStyle(color: Color(AppColors.EditTextColor),fontSize: 16),
       decoration: InputDecoration(
         hintText: hintText,
-        hintStyle: TextStyle(color: Color(AppColors.hintText)),
       ),
       controller: controller,
     );

netrain_flutter_app/lib/laishanqi/netrain/user/loginPage.dart

@@ -31,12 +31,7 @@ class _LoginState extends State<LoginPage> {
       Fluttertoast.showToast(msg: "global_config 请求成功 ");
     });
 
-    return MaterialApp(
-      title: '登陆页',
-      theme: ThemeData(
-        primarySwatch: Colors.blue,
-      ),
-      home: Scaffold(
+    return Scaffold(
         body: SingleChildScrollView(
           child: Container(
             alignment: Alignment.topCenter,
@@ -136,7 +131,6 @@ class _LoginState extends State<LoginPage> {
             ),
           ),
         ),
-      ),
     );
   }
 

netrain_flutter_app/lib/main.dart

 import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
+import 'package:netrain_flutter_app/common/AppColors.dart';
 import 'package:netrain_flutter_app/xuehao/list_page.dart';
 
 import 'laishanqi/Stateful_page.dart';
@@ -31,7 +32,11 @@ class MyApp extends StatelessWidget {
           title: 'Flutter Demo',
           initialRoute: "main",
           theme: ThemeData(
-            primarySwatch: Colors.blue,
+            primaryColor: Color(AppColors.titleBackgroundColor),
+            hintColor: Color(AppColors.hintText),
+            accentColor: Color(AppColors.mainColor),
+            dividerColor: Color(AppColors.dividerColor),
+            scaffoldBackgroundColor: Color(AppColors.scaffoldBackgroundColor),
             visualDensity: VisualDensity.adaptivePlatformDensity,
           ),
           routes: <String, WidgetBuilder>{