ScreenAdaper.dart import 'package:flutter_screenutil/flutter_screenutil.dart'; class ScreenAdaper { // static init(context) { ScreenUtil.instance = ScreenUtil(width: 750, height: 1334)..init(context); } static height(double value) { return ScreenUtil

Flutter和Dart交流学习群:交流群:452892873 01Flutter仿京东商城项目 功能分析.底部导航Tab切换以及路由配置.架构搭建 02Flutter仿京东商城项目 首页布局以及不同终端屏幕适配方案 基本架构: Tabs.dart代码: import 'package:flutter/material.dart'; import 'Home.dart'; import 'Cart.dart'; import 'Category.dart'; import 'User.dart'

CheckOut.dart import 'package:flutter/material.dart'; import '../services/ScreenAdapter.dart'; import 'package:provider/provider.dart'; import '../provider/CheckOut.dart'; import '../services/UserServices.dart'; import '../services/SignServices.dart'

加群452892873 下载对应41课文件,运行方法,建好项目,直接替换lib目录 AddressAdd.dart import 'package:dio/dio.dart'; import 'package:flutter/material.dart'; import 'package:flutter_jdshop/config/Config.dart'; import 'package:flutter_jdshop/services/EventBus.dart'; import 'packa

加群452892873 下载对应39课文件,运行方法,建好项目,直接替换lib目录 pubspec.yaml city_pickers: ^ AddressAdd.dart import 'package:flutter/material.dart'; import 'package:flutter_jdshop/services/ScreenAdapter.dart'; import 'package:flutter_jdshop/widget/JdButton.dart'; import '

加群452892873 下载对应38课文件,运行方法,建好项目,直接替换lib目录 CartServices.dart import 'dart:convert'; import 'Storage.dart'; import '../config/Config.dart'; class CartServices { static addCart(item) async { //把对象转换成Map类型的数据 item = CartServices.formatCartData(item); try

加群452892873 下载对应34课文件,运行方法,建好项目,直接替换lib目录 CheckOut.dart import 'package:flutter/material.dart'; import 'package:flutter_jdshop/services/ScreenAdapter.dart'; class CheckOutPage extends StatefulWidget { CheckOutPage({Key key}) : super(key: key); _Check

Login.dart import 'dart:convert'; import 'package:dio/dio.dart'; import 'package:flutter/material.dart'; import 'package:flutter_jdshop/config/Config.dart'; import 'package:flutter_jdshop/pages/tabs/Tabs.dart'; import 'package:flutter_jdshop/services

加群452892873 下载对应34课文件,运行方法,建好项目,直接替换lib目录 以下列出的是本课涉及的文件. RegisterFirst.dart import 'package:flutter/material.dart'; import 'package:flutter_jdshop/services/ScreenAdapter.dart'; import 'package:flutter_jdshop/widget/JdButton.dart'; import 'package:flu

event_bus 介绍 在前面的课程我们给大家讲过状态管理 Provider 的使用. 通俗的讲状态管理就是:当我们想在多个页面(组件/Widget)之间共享状态(数据),或 者一个页面(组件/Widget)中的多个子组件之间共享状态(数据),这个时候我们就可以 用 Flutter 中的状态管理来管理统一的状态(数据),实现不同组件直接的传值和数据共享.  event_bus 主要是实现不同组件之间的数据传值,以及在一个组件中 执行另一个组件的方法. event_bus 使用 事件广播 事件监

ProductContentFirst.dart import 'package:flutter/material.dart'; import '../../widget/JdButton.dart'; import '../../services/ScreenAdaper.dart'; class ProductContentFirst extends StatefulWidget { ProductContentFirst({Key key}) : super(key: key); _Pro

效果: widget/JdButton.dart import 'package:flutter/material.dart'; import '../services/ScreenAdaper.dart'; class JdButton extends StatelessWidget { final Color color; final String text; final Object cb; JdButton({Key key,this.color=Colors.black,this.te

ProductContent.dart import 'package:flutter/material.dart'; import '../services/ScreenAdaper.dart'; import 'ProductContent/ProductContentFirst.dart'; import 'ProductContent/ProductContentSecond.dart'; import 'ProductContent/ProductContentThird.dart';

Storage.dart import 'package:shared_preferences/shared_preferences.dart'; class Storage{ static Future<void> setString(key,value) async{ SharedPreferences sp=await SharedPreferences.getInstance(); sp.setString(key, value); } static Future<String&

ProductList.dart import 'package:flutter/material.dart'; import '../services/ScreenAdaper.dart'; import '../config/Config.dart'; import 'package:dio/dio.dart'; import '../model/ProductModel.dart'; import '../widget/LoadingWidget.dart'; class ProductL

Search.dart import 'package:flutter/material.dart'; import 'package:flutter_jdshop/services/ScreenAdaper.dart'; class SearchPage extends StatefulWidget { SearchPage({Key key}) : super(key: key); _SearchPageState createState() => _SearchPageState(); }

main.dart import 'package:flutter/material.dart'; import 'routes/router.dart'; void main() => runApp(MyApp()); class MyApp extends StatefulWidget { MyApp({Key key}) : super(key: key); _MyAppState createState() => _MyAppState(); } class _MyAppState e

ProductList.dart import 'package:flutter/material.dart'; import '../services/ScreenAdaper.dart'; import '../config/Config.dart'; import 'package:dio/dio.dart'; import '../model/ProductModel.dart'; import '../widget/LoadingWidget.dart'; class ProductL

ProductList.dart import 'package:flutter/material.dart'; import '../services/ScreenAdaper.dart'; import '../config/Config.dart'; import 'package:dio/dio.dart'; import '../model/ProductModel.dart'; import '../widget/LoadingWidget.dart'; class ProductL

ProductList.dart import 'package:flutter/material.dart'; import '../services/ScreenAdaper.dart'; import '../config/Config.dart'; import 'package:dio/dio.dart'; class ProductListPage extends StatefulWidget { Map arguments; ProductListPage({Key key, th

pages下面新建: ProductList.dart import 'package:flutter/material.dart'; import '../services/ScreenAdaper.dart'; import '../config/Config.dart'; import 'package:dio/dio.dart'; class ProductListPage extends StatefulWidget { Map arguments; ProductListPage({