hyzp_ybqx/lib/main.dart

import 'dart:async';
import 'dart:io' show Platform;
import 'dart:ui';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_bmfbase/BaiduMap/bmfmap_base.dart' show BMFMapSDK, BMF_COORD_TYPE;
import 'package:flutter_screenutil/screenutil_init.dart';
import 'package:hyzp_ybqx/pages/Login/LoginTabs2.dart';
import 'package:hyzp_ybqx/pages/MyMsics/05_updated/MyUpdatedNew.dart';
import 'package:hyzp_ybqx/pages/Works/TJXX/tj_data.dart';
import 'package:package_info/package_info.dart';
// 引入provider
import 'package:provider/provider.dart';

import 'components/commonFun.dart';
import 'file_manager/file_manager_init.dart';
import 'provider/player_ratio.dart';
import 'provider/player_region.dart';
import 'routers/router.dart';

// 整个Flutter App的Android入口
void main() {
  //file_manager_load();
  //runApp(MyApp());

  //整个Flutter App的入口01
  WidgetsFlutterBinding.ensureInitialized(); //必须要添加这个进行初始化 否则下面会错误
  //Flutter 强制竖屏
  SystemChrome.setPreferredOrientations([
    DeviceOrientation.portraitUp, // 纵向，portrait 肖像
    // DeviceOrientation.portraitDown, // 旋转180度
    // DeviceOrientation.landscapeLeft, //顺时针旋转90度
    // DeviceOrientation.landscapeRight, //逆时针旋转90度
  ]).then((_) {
    //整个Flutter App的入口02
    checkPermission(); //请求用户授权
  });
}

// class LoadMyApp extends StatefulWidget {
//   LoadMyApp({Key key}) : super(key: key);
//
//   _LoadMyAppState createState() => _LoadMyAppState();
// }
//
// class _LoadMyAppState extends State<LoadMyApp> {
//   @override
//   Widget build(BuildContext context) {
//     return new MaterialApp(
//       //title: "LoadActivity",
//       home: MyApp(),
//     );
//   }
// }

//整个Flutter App的入口07。入口处理结束，正式开始Flutter App
class MyApp extends StatefulWidget {
  MyApp({Key key}) : super(key: key);

  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  @override
  void initState() {
    initApp(); // 1、处理百度地图sdk初始化鉴权
    startGetStatisDataNew(); // 2、登录前提前获取统计数据，改善用户登录体验
    // 3、处理版本更新
    PackageInfo.fromPlatform().then((PackageInfo packageInfo) async {
      String appName = packageInfo.appName;
      String packageName = packageInfo.packageName;
      String version = packageInfo.version;
      String buildNumber = packageInfo.buildNumber;
      String buildDate =
          '${buildNumber.substring(0, 4)}.${buildNumber.substring(4, 6)}.${buildNumber.substring(6, 8)}';

      print('appName = $appName');
      print('packageName = $packageName');
      print('version = $version');
      print('buildNumber = $buildNumber');
      print('buildDate = $buildDate');
      // I/flutter (30820): appName = 宜宾市翠屏黑烟抓拍
      // I/flutter (30820): packageName = com.flutter.hyzp_ybqx
      // I/flutter (30820): version = 1.3.1
      // I/flutter (30820): buildNumber = 20210508
      // I/flutter (30820): buildDate = 2021.05.08

      //Fluttertoast.showToast(msg: '当前版本 v$version。暂无更新', gravity: ToastGravity.CENTER);
      // Navigator.of(context).push(MaterialPageRoute(
      //     builder: (context) => MyUpdated(ver: version, date: buildDate, theContext: context)));

      MyUpdatedNew m = await MyUpdatedNew(
          ver: version, date: buildDate, theContext: context, bStartUpdated: true);
    });
    super.initState();
  }

  void initApp() async {
    // await getFileName2().then((value) {
    //   readUrlFile2().then((value) => writeUrlFile2());
    // });
    getAndroidId().then((value) {
      g_userInfo.thisAndroidId = value;

      // 百度地图sdk初始化鉴权
      if (Platform.isIOS) {
        BMFMapSDK.setApiKeyAndCoordType('I022V5cRWKDn8gguTTa1gbxqPMYWU4G0', BMF_COORD_TYPE.BD09LL);
      } else if (Platform.isAndroid) {
        // Android 目前不支持接口设置Apikey,
        // 请在主工程的Manifest文件里设置，详细配置方法请参考官网(https://lbsyun.baidu.com/)demo
        BMFMapSDK.setCoordType(BMF_COORD_TYPE.BD09LL);
      }
    });
  }

  //@override
  //   Widget build(BuildContext context) {
  //     return ScreenUtilInit(
  //       designSize: Size(360, 690),
  //       allowFontScaling: false,
  //       builder: () => MaterialApp(
  //         debugShowCheckedModeBanner: false,
  //         title: 'Flutter_ScreenUtil',
  //         theme: ThemeData(
  //           primarySwatch: Colors.blue,
  //         ),
  //         home: HomePage(title: 'FlutterScreenUtil Demo'),
  //       ),
  //     );
  //   }

  @override
  Widget build(BuildContext context) {
    //ScreenUtil.instance = ScreenUtil(width: 750, height: 1334)..init(context);
    //750:1334
    //默认 width : 1080px , height:1920px , allowFontScaling:false
    //double width = MediaQuery.of(context).size.width;

    //sizeMediaQuery = MediaQuery.of(context).size; //这样不对
    print('sizeMediaQuery = $sizeWindowPhysicalSize');
    //size: Size(360.0, 674.7)

    //自动适应安卓手机系统分辨率，解决 S10 手机正方形变形问题
    print('window.physicalSize = ${window.physicalSize}');
    //window.physicalSize = Size(1080.0, 2136.0)
    sizeWindowPhysicalSize = window.physicalSize;
    //double _heigth = 1080 * 16 / 9;
    double _heigth = 1080 * sizeWindowPhysicalSize.height / sizeWindowPhysicalSize.width;
    print('_heigth = $_heigth');

    return ScreenUtilInit(
      designSize: Size(1080, _heigth), //安卓手机宽高尺寸，_heigth = 1080 * 16 / 9;
      //designSize: Size(1080, 1920),   //安卓手机宽高尺寸，_heigth = 1080 * 16 / 9;
      //designSize: Size(750, 1334),  //统一使用美工设计的宽高尺寸，苹果比例
      //designSize: sizeWindowPhysicalSize, //自动适应安卓手机系统分辨率，解决 S10 手机正方形变形问题
      allowFontScaling: false,
      builder: () => MultiProvider(
        providers: [
          // ChangeNotifierProvider(builder: (_) => Counter()),
          // ChangeNotifierProvider(builder: (_) => Cart()),
          // ChangeNotifierProvider(builder: (_) => CheckOut()),
//        ChangeNotifierProvider(builder: (_) => PlayerRegionProvide()),
//        ChangeNotifierProvider(builder: (_) => PlayerRatioProvide()),
          ChangeNotifierProvider<PlayerRegionProvide>(create: (context) => PlayerRegionProvide()),
          ChangeNotifierProvider<PlayerRatioProvide>(create: (context) => PlayerRatioProvide()),
        ],
        child: MaterialApp(
          home: LoginTabs2(),
          debugShowCheckedModeBanner: false,
          initialRoute: '/',
          onGenerateRoute: onGenerateRoute,
          theme: ThemeData(
              // primaryColor: Colors.yellow
              primaryColor: Colors.white),
        ),
      ),
    );

//     return MultiProvider(
//       providers: [
//         // ChangeNotifierProvider(builder: (_) => Counter()),
//         // ChangeNotifierProvider(builder: (_) => Cart()),
//         // ChangeNotifierProvider(builder: (_) => CheckOut()),
// //        ChangeNotifierProvider(builder: (_) => PlayerRegionProvide()),
// //        ChangeNotifierProvider(builder: (_) => PlayerRatioProvide()),
//         ChangeNotifierProvider<PlayerRegionProvide>(create: (context) => PlayerRegionProvide()),
//         ChangeNotifierProvider<PlayerRatioProvide>(create: (context) => PlayerRatioProvide()),
//       ],
//
//       child: MaterialApp(
//         home: LoginTabs(),
//         debugShowCheckedModeBanner: false,
//         initialRoute: '/',
//         onGenerateRoute: onGenerateRoute,
//         theme: ThemeData(
//             // primaryColor: Colors.yellow
//             primaryColor: Colors.white),
//       ),
//     );
  }
}

//整个Flutter App的入口06
class SplashScreen extends StatefulWidget {
  @override
  _SplashScreenState createState() => new _SplashScreenState();
}

class _SplashScreenState extends State<SplashScreen> {
  startTime() async {
    //设置启动图生效时间
    var _duration = new Duration(seconds: 2);
    return new Timer(_duration, navigationPage);
  }

  //整个Flutter App的入口07
  void navigationPage() {
    Navigator.of(context).pushReplacementNamed('/home');
  }

  @override
  void initState() {
    super.initState();
    startTime();
  }

  @override
  Widget build(BuildContext context) {
    // return new Scaffold(
    //   body: new Center(
    //     child: new Image.asset('assets/images/hyzp_yibin_launche.png', fit: BoxFit.fill),
    //     // child: new Image.asset('assets/images/hyzp_ybqx01_cuiping_launche.png'),
    //   ),
    // );
    // return Container(
    //   width: MediaQuery.of(context).size.width, // 屏幕宽度
    //   height: MediaQuery.of(context).size.height, // 屏幕高度
    //   child: Image.asset('assets/images/hyzp_yibin_launche.png', fit: BoxFit.cover),
    // );
    //final double statusBarHeight = MediaQuery.of(context).padding.top;
    return Scaffold(
      body: Column(
        children: <Widget>[
          SizedBox(height: MediaQuery.of(context).padding.top), // 不覆盖顶部状态栏
          Container(
              width: MediaQuery.of(context).size.width,
              // 屏幕宽度
              height: MediaQuery.of(context).size.height - MediaQuery.of(context).padding.top,
              // 屏幕高度
              // child: Image.asset('assets/images/hyzp_ybqx00_yibin_launche.png', fit: BoxFit.cover),
              // child: Image.asset('assets/images/hyzp_ybqx01_cuiping_launche.png', fit: BoxFit.cover),
              child: Image.asset('assets/images/hyzp_ybqx_launche.png',
                  fit: BoxFit.cover)),
        ],
      ),
    );
  }
}