Modfiy： 改造业内资讯页面

lib/views/home.dart

@@ -0,0 +1,185 @@
+
+/// Created with Android Studio.
+/// User: 三帆
+/// Date: 16/01/2019
+/// Time: 11:16
+/// email: sanfan.hx@alibaba-inc.com
+/// target:  app首页
+
+
+import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
+import 'package:flutter_go/utils/shared_preferences.dart';
+import 'package:flutter_go/views/first_page/first_page.dart';
+import 'package:flutter_go/views/widget_page/widget_page.dart';
+import 'package:flutter_go/views/welcome_page/fourth_page.dart';
+import 'package:flutter_go/views/collection_page/collection_page.dart';
+import 'package:flutter_go/routers/application.dart';
+import 'package:flutter_go/utils/provider.dart';
+import 'package:flutter_go/model/widget.dart';
+import 'package:flutter_go/widgets/index.dart';
+import 'package:flutter_go/components/search_input.dart';
+import 'package:flutter_go/model/search_history.dart';
+import 'package:flutter_go/resources/widget_name_to_icon.dart';
+
+import './first_page/main_page.dart';
+
+
+
+const int ThemeColor = 0xFFC91B3A;
+
+class AppPage extends StatefulWidget {
+  @override
+  State<StatefulWidget> createState() {
+    return _MyHomePageState();
+  }
+}
+
+class _MyHomePageState extends State<AppPage>
+    with SingleTickerProviderStateMixin {
+  SpUtil sp;
+  WidgetControlModel widgetControl = new WidgetControlModel();
+  SearchHistoryList searchHistoryList;
+  TabController controller;
+  bool isSearch = false;
+  String data = '无';
+  String data2ThirdPage = '这是传给ThirdPage的值';
+  String appBarTitle = tabData[0]['text'];
+  static List tabData = [
+    {'text': '业界动态', 'icon': new Icon(Icons.language)},
+    {'text': 'WIDGET', 'icon': new Icon(Icons.extension)},
+    {'text': '组件收藏', 'icon': new Icon(Icons.favorite)},
+    {'text': '关于手册', 'icon': new Icon(Icons.import_contacts)}
+  ];
+
+  List<Widget> myTabs = [];
+
+  @override
+  void initState() {
+    super.initState();
+
+    initSearchHistory();
+    controller = new TabController(
+        initialIndex: 0, vsync: this, length: 4); // 这里的length 决定有多少个底导 submenus
+    for (int i = 0; i < tabData.length; i++) {
+      myTabs.add(new Tab(text: tabData[i]['text'], icon: tabData[i]['icon']));
+    }
+    controller.addListener(() {
+      if (controller.indexIsChanging) {
+        _onTabChange();
+      }
+    });
+    Application.controller = controller;
+  }
+
+  @override
+  void dispose() {
+    controller.dispose();
+    super.dispose();
+  }
+
+  initSearchHistory() async {
+    sp = await SpUtil.getInstance();
+    String json = sp.getString(SharedPreferencesKeys.searchHistory);
+    print("json $json");
+    searchHistoryList = SearchHistoryList.fromJSON(json);
+  }
+
+  void onWidgetTap(WidgetPoint widgetPoint, BuildContext context) {
+    List widgetDemosList = new WidgetDemoList().getDemos();
+    String targetName = widgetPoint.name;
+    String targetRouter = '/category/error/404';
+    widgetDemosList.forEach((item) {
+      if (item.name == targetName) {
+        targetRouter = item.routerName;
+      }
+    });
+    searchHistoryList
+        .add(SearchHistory(name: targetName, targetRouter: targetRouter));
+    print("searchHistoryList1 ${searchHistoryList.toString()}");
+    print("searchHistoryList2 ${targetRouter}");
+    print("searchHistoryList3 ${widgetPoint.name}");
+    Application.router.navigateTo(context, "$targetRouter");
+  }
+
+  Widget buildSearchInput(BuildContext context) {
+      return new SearchInput((value) async {
+      if (value != '') {
+        List<WidgetPoint> list = await widgetControl.search(value);
+
+        return list
+            .map((item) => new MaterialSearchResult<String>(
+                  value: item.name,
+                  icon: WidgetName2Icon.icons[item.name] ?? null,
+                  text: 'widget',
+                  onTap: () {
+                   onWidgetTap(item, context);
+                  },
+                ))
+            .toList();
+      } else {
+        return null;
+      }
+    }, (value) {}, () {});
+  }
+
+  renderAppBar(BuildContext context,Widget widget) {
+    print('renderAppBar=====>>>>>>${controller.index}');
+    if(controller.index == 0) {
+      return null;
+    }
+    return AppBar(title: buildSearchInput(context));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    var db = Provider.db;
+
+    return new Scaffold(
+      appBar: renderAppBar(context,widget),
+      body: new TabBarView(controller: controller, children: <Widget>[
+        //new FirstPage(),
+        MainPage(),
+        WidgetPage(db),
+        CollectionPage(),
+        FourthPage()
+      ]),
+      bottomNavigationBar: Material(
+        color: const Color(0xFFF0EEEF), //底部导航栏主题颜色
+        child: SafeArea(
+          child: Container(
+            height: 65.0,
+            decoration: BoxDecoration(
+              color: const Color(0xFFF0F0F0),
+              boxShadow: <BoxShadow>[
+                BoxShadow(
+                  color: const Color(0xFFd0d0d0),
+                  blurRadius: 3.0,
+                  spreadRadius: 2.0,
+                  offset: Offset(-1.0, -1.0),
+                ),
+              ],
+            ),
+            child: TabBar(
+                controller: controller,
+                indicatorColor: Theme.of(context).primaryColor,
+                //tab标签的下划线颜色
+                // labelColor: const Color(0xFF000000),
+                indicatorWeight: 3.0,
+                labelColor: Theme.of(context).primaryColor,
+                unselectedLabelColor: const Color(0xFF8E8E8E),
+                tabs: myTabs),
+          ),
+        ),
+      ),
+    );
+  }
+
+  void _onTabChange() {
+    if (this.mounted) {
+      this.setState(() {
+        appBarTitle = tabData[controller.index]['text'];
+      });
+    }
+  }
+}