hyzp_ybqx-Commit001：代码刚转换好，编译通过

2021-12-09 20:24:36 +08:00
commit 8c74b14e5c
800 changed files with 66912 additions and 0 deletions
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+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
+import '../../components/commonFun.dart';
+import '../../services/Storage.dart';
+import 'FaceLogin.dart';
+import 'LoginByName2.dart';
+
+// class LoginTabs extends StatelessWidget {
+//   // This widget is the root of your application.
+//   @override
+//   Widget build(BuildContext context) {
+//     //Flutter 强制竖屏
+//     SystemChrome.setPreferredOrientations([
+//       DeviceOrientation.portraitUp, //只能纵向
+//       DeviceOrientation.portraitDown, //只能纵向
+//     ]);
+//
+//     return MaterialApp(
+//       debugShowCheckedModeBanner: false,
+//       title: 'Flutter Demo',
+//       theme: ThemeData(
+//         primarySwatch: Colors.blue,
+//         visualDensity: VisualDensity.adaptivePlatformDensity,
+//       ),
+//       home: MyHomePage(title: 'Flutter Demo Home Page'),
+//     );
+//   }
+// }
+
+class LoginTabs extends StatefulWidget {
+  LoginTabs({Key key, this.title}) : super(key: key);
+  final String title;
+
+  @override
+  _MyHomePageState createState() => _MyHomePageState();
+}
+
+class _MyHomePageState extends State<LoginTabs> {
+  @override
+  void initState() {
+    super.initState();
+
+    //若下面文件不存在，
+    // /data/data/com.flutter.hyzp_ybqx/shared_prefs/FlutterSharedPreferences.xml
+    // value为null， 会抛出异常：
+    // [ERROR:flutter/lib/ui/ui_dart_state.cc(177)] Unhandled Exception: Invalid argument(s): The source must not be null
+    // int.parse (dart:core-patch/integers_patch.dart:51:25)
+    Storage.getString("tabs_index").then((value) {
+      g_iIndex = (null == value) ? 0 : int.parse(value);
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      decoration: BoxDecoration(
+        image: DecorationImage(
+          image: AssetImage("assets/images/背景图.png"),
+          fit: BoxFit.cover,
+        ),
+      ),
+      child: Container(
+        width: double.infinity,
+        height: 400,
+        child: Container(
+          constraints: BoxConstraints(
+              minWidth: double.infinity, //最小宽度尽量取最大
+              maxHeight: 400 //最小高度为80
+              ),
+          child: DefaultTabController(
+            length: 2,
+            child: Scaffold(
+              //backgroundColor: Colors.transparent,
+              appBar: AppBar(
+                //backgroundColor: Colors.transparent,
+                title: Text("宜宾市黑烟车电子抓拍系统"),
+                leading: IconButton(
+                  icon: Icon(Icons.close),
+                  onPressed: () {
+                    SystemNavigator.pop();
+                  },
+                ),
+                centerTitle: true,
+                bottom: TabBar(
+                  labelColor: Colors.blueAccent,
+                  unselectedLabelColor: Colors.black26,
+                  tabs: <Widget>[Tab(text: "密码登录"), Tab(text: "刷脸登录")],
+                ),
+              ),
+              body: TabBarView(
+                //flutter tabbar禁止手势滑动-OK
+                physics: new NeverScrollableScrollPhysics(),
+                children: <Widget>[
+                  LoginByName2(),
+                  FaceLogin(),
+                ],
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}