eats

lib/pages/machinery/detail/index.dart

@@ -1,27 +1,33 @@
 
+import 'package:farmer_client/widgets/layout/BasicPage.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'widgets/detail.dart';
 
-class MachineryDetailPage extends StatelessWidget {
-
-  final title = Rx<String>('查看详情');
-
+class MachineryDetailPage extends BasicPage {
   // 响应预约事件
   void handleClick() {
+    Get.back();
+  }
 
+  @override
+  void beforeShow() {
+    // TODO: implement onMounted
+    super.beforeShow();
+    print("----show----detail page--------------");
   }
 
   @override
-  Widget build(BuildContext context) {
-    final appBar = AppBar(title: Obx(() => Text(title.value)), centerTitle: true,);
+  void beforeHide() {
+    // TODO: implement beforeHide
+    super.beforeHide();
+    print("-----hide---detail page--------------");
+  }
 
-    return Scaffold(
-      appBar: appBar,
-      body: SingleChildScrollView(
-        child: page(context: context, handleClick: handleClick),
-      ),
-    );
+  @override
+  Widget builder(BuildContext context) {
+    naviTitle = "查看详情";
+    return page(context: context, handleClick: handleClick);
   }
 
 }

lib/pages/machinery/map/index.dart

@@ -1,29 +1,34 @@
 
 import 'package:farmer_client/pages/machinery/map/widgets/detail.dart';
+import 'package:farmer_client/widgets/layout/BasicPage.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
-class MachineryMapPage extends StatelessWidget {
-
-  final title = Rx<String>('查看地图');
-  // final detail = Rxn<T>(); // 农机信息
+class MachineryMapPage extends BasicPage {
 
   // 响应预约事件
   void handleClick() {
+    Get.toNamed("/machineryDetail");
+  }
+
+  @override
+  void beforeShow() {
+    // TODO: implement onMounted
+    super.beforeShow();
+    print("----show----map page--------------");
+  }
 
+  @override
+  void beforeHide() {
+    // TODO: implement beforeHide
+    super.beforeHide();
+    print("-----hide---map page--------------");
   }
 
   @override
-  Widget build(BuildContext context) {
-    final appBar = AppBar(title: Obx(() => Text(title.value)), centerTitle: true,);
-    return Scaffold(
-      appBar: appBar,
-      body: SafeArea(
-        child: SingleChildScrollView (
-          child: page(context: context, handleClick: handleClick),
-        ),
-      )
-    );
+  Widget builder(BuildContext context) {
+    naviTitle = "查看地图";
+    return page(context: context, handleClick: handleClick);
   }
   
 }

lib/routes/middleWares.dart

@@ -9,9 +9,9 @@ void routingCallback (routing) {
   bool isSplashScreen = routing?.current == '/splash';
   bool isLoginPage = routing?.current == '/login';
   bool isAgreementPage = routing?.current == '/agreement';
-  if (!isLogin && !isSplashScreen && !isLoginPage&&!isAgreementPage) {
-    // addPostFrameCallback 作用是等当前帧绘制完成之后再加载
-    // https://github.com/jonataslaw/getx/issues/262
-    SchedulerBinding.instance?.addPostFrameCallback((_) => Get.offNamed('/login'));
-  }
+  // if (!isLogin && !isSplashScreen && !isLoginPage&&!isAgreementPage) {
+  //   // addPostFrameCallback 作用是等当前帧绘制完成之后再加载
+  //   // https://github.com/jonataslaw/getx/issues/262
+  //   SchedulerBinding.instance?.addPostFrameCallback((_) => Get.offNamed('/login'));
+  // }
 }

lib/routes/pages.dart

@@ -14,7 +14,7 @@ import '../pages/index.dart';
 List<GetPage> pages = [
   GetPage(name: '/', page: () =>  Home()),
   GetPage(name: '/ArticleInfo', page: () =>  ArticleInfo()),//资讯详情
-  GetPage(name: '/splash', page: () => SplashScreen()),//SplashScreen
+  GetPage(name: '/splash', page: () => MachineryMapPage()),//SplashScreen
   GetPage(name: '/login', page: () =>  MyRouteLogin()),
   GetPage(name: '/addressList', page: () =>  AddressList()),
   GetPage(name: '/addAddress', page: () =>  AddAddress()),

lib/theme.dart

@@ -1,12 +1,20 @@
 
 import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
 
 ThemeData getTheme() {
   return ThemeData(
-    appBarTheme: const AppBarTheme(
+    appBarTheme: AppBarTheme(
+      centerTitle: true,
       backgroundColor: Colors.transparent,
-      foregroundColor: Color(0xFF333333),
+      foregroundColor: const Color(0xFF333333),
       elevation: 0,
+      toolbarHeight: 44.w,
+      titleTextStyle: TextStyle(
+        color: const Color(0xFF333333),
+        fontWeight: FontWeight.bold,
+        fontSize: 17.sp,
+      ),
     ),
     backgroundColor: Colors.white,
   );

lib/widgets/layout/BasicPage.dart

@@ -0,0 +1,104 @@
+
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+
+abstract class BasicPage extends StatefulWidget {
+  // 导航标题
+  // 用法 naviTitle = xxxx
+  final _title = Rx<String>("");
+  set naviTitle(String t) {
+    _title.value = t;
+  }
+
+  // 允许滚动 - 不是响应式的
+  bool canScroll;
+
+  //
+  BasicPage({Key? key, this.canScroll = true}) : super(key: key);
+
+  @protected
+  Widget builder(BuildContext context);
+
+  // 将要展示
+  @protected
+  @mustCallSuper
+  void beforeShow() {
+    assert(() {
+      print("===========beforeShow===========");
+      return true;
+    }());
+  }
+
+  @protected
+  @mustCallSuper
+  void beforeHide() {
+    assert(() {
+      print("===========beforeHide===========");
+      return true;
+    }());
+  }
+
+  @protected
+  @mustCallSuper
+  void beforeUnmounted() {
+    assert(() {
+      print("===========beforeUnmounted===========");
+      return true;
+    }());
+  }
+
+  @override
+  State<BasicPage> createState() => _BasicPageState();
+}
+
+class _BasicPageState extends State<BasicPage> {
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  void didChangeDependencies() {
+    super.didChangeDependencies();
+    widget.beforeShow();
+  }
+
+  @override
+  void deactivate() {
+    super.deactivate();
+    widget.beforeHide();
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+    widget.beforeUnmounted();
+  }
+
+  // appBar 的样式请查询 theme 文件
+  PreferredSizeWidget? _getAppBar() {
+    return AppBar(title: Obx(() => Text(widget._title.value)));
+  }
+
+  Widget _buildChild(BuildContext context) {
+    if (widget.canScroll) {
+      return SingleChildScrollView(
+        child: widget.builder(context),
+      );
+    } else {
+      return widget.builder(context);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: _getAppBar(),
+      body: SafeArea(
+        child: _buildChild(context),
+      ),
+    );
+  }
+}
+