app-starlock/star_lock/lib/app.dart

import 'package:flutter/material.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:star_lock/flavors.dart';
import 'package:star_lock/tools/app_manager.dart';
import 'package:star_lock/tools/bindings/app_binding.dart';

import 'package:star_lock/translations/app_dept.dart';
import 'package:star_lock/translations/trans_lib.dart';

import 'appRouters.dart';
import 'baseWidget.dart';
import 'tools/appRouteObserver.dart';
import 'dart:io';

import 'versionUndate/versionUndateTool.dart';

class MyApp extends StatefulWidget {
  const MyApp({GlobalKey? key}) : super(key: key);

  @override
  State<MyApp> createState() => _MyAppState();
}

// 注册 RouteObserver  作为 navigation observer.
// final RouteObserver<PageRoute> routeObserver = RouteObserver<PageRoute>();

class _MyAppState extends State<MyApp> with WidgetsBindingObserver, BaseWidget {
  @override
  Widget build(BuildContext context) {
    return ScreenUtilInit(
        designSize: const Size(585, 1265),
        builder: (w, a) => _initMaterialApp());
  }

  GetMaterialApp _initMaterialApp() => GetMaterialApp(
      title: F.navTitle,
      navigatorObservers: [AppRouteObserver().routeObserver],
      translations: TranslationMessage(),
      supportedLocales: appDept.deptSupportedLocales,
      localizationsDelegates: const [
        GlobalMaterialLocalizations.delegate,
        GlobalCupertinoLocalizations.delegate,
        GlobalWidgetsLocalizations.delegate,
      ],
      localeResolutionCallback: (locale, supportedLocales) {
        if (!supportedLocales.contains(locale)) {
          int idx = appSupportedLocales.indexWhere(
              (element) => element.languageCode == locale!.languageCode);
          if (idx != -1) {
            locale = appSupportedLocales[idx];
          } else {
            locale = const Locale('zh', 'CN');
          }
        }
        // print("localelocalelocalelocalelocale locale:${locale} locale.languageCode:${locale.languageCode} locale.countryCode:${locale.countryCode} supportedLocales:${supportedLocales}");
        AppManager()
            .setLanCode(code: '${locale!.languageCode}_${locale.countryCode}');
        return locale;
      },
      // locale: StoreService.to.getLanguageCode().isNotEmpty ? appDept.deptSupportedLocales.where((element) => element.languageCode == StoreService.to.getLanguageCode()).first : Get.deviceLocale,
      locale: Get.deviceLocale,
      fallbackLocale: const Locale('zh', 'CN'),
      theme: ThemeData(
        scaffoldBackgroundColor: const Color(0xFFF6F6F6),
        backgroundColor: const Color(0xFFF6F6F6),
        primaryColor: const Color(0xFFFFFFFF),
        textTheme: TextTheme(
            //用在非Material组件上的文字显示,
            bodyText1:
                TextStyle(fontSize: 28.sp, color: const Color(0xff2E2B2B)),
            //Material组件上的文字显示
            bodyText2:
                TextStyle(fontSize: 28.sp, color: const Color(0xff2E2B2B)),
            button: TextStyle(fontSize: 28.sp)),
        iconTheme: IconThemeData(size: 28.sp, color: const Color(0xff2E2B2B)),
        appBarTheme: AppBarTheme(
          backgroundColor: const Color(0xFFFFFFFF),
          elevation: 0,
          centerTitle: true,
          iconTheme: IconThemeData(color: const Color(0xff333333), size: 36.sp),
          titleTextStyle: TextStyle(
              color: const Color(0xff333333),
              fontWeight: FontWeight.w400,
              fontSize: 36.sp),
        ),
        splashColor: Colors.transparent, // 点击时的高亮效果设置为透明
        highlightColor: Colors.transparent,
      ),
      debugShowCheckedModeBanner: false,
      getPages: AppRouters.routePages,
      builder: EasyLoading.init(),
      initialBinding: AppBindings(),
      initialRoute: '/');

  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addObserver(this);

  }

  @override
  void dispose() {
    WidgetsBinding.instance.removeObserver(this);
    super.dispose();
  }
}

void openBlueScan() {
  if (Platform.isIOS) {
    print("有蓝牙权限开始扫描");
    // startScanAction();
  } else {
    getMicrophonePermission().then((value) {
      if (value) {
        // 有权限
        print("有蓝牙权限开始扫描");
        // startScanAction();
      } else {
        //没有权限
        openAppSettings(); //打开app系统设置
      }
    });
  }
}

///请求蓝牙权限
Future<bool> getMicrophonePermission() async {
  // You can request multiple permissions at once.
  Map<Permission, PermissionStatus> statuses = await [
    Permission.bluetoothScan,
    Permission.bluetoothConnect,
    Permission.location,
  ].request();

  //granted 通过，denied 被拒绝，permanentlyDenied 拒绝且不在提示
  if (statuses[Permission.bluetoothScan]!.isGranted &&
      statuses[Permission.bluetoothConnect]!.isGranted &&
      statuses[Permission.location]!.isGranted) {
    return true;
  }
  return false;
}