flutter_green/lib/model/config.dart

import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

class Config {
  static Future init(Function() runApp) async {
    WidgetsFlutterBinding.ensureInitialized();
    // cachePath= await getApplicationDocumentsDirectory().then((value) => value.path);
    // await SpUtil.getInstance();

    runApp();

    SystemChrome.setPreferredOrientations(
        [DeviceOrientation.portraitUp, DeviceOrientation.portraitDown]);

    // 状态栏透明（Android）
    var brightness = Platform.isAndroid ? Brightness.dark : Brightness.light;
    SystemChrome.setSystemUIOverlayStyle(SystemUiOverlayStyle(
      statusBarColor: Colors.transparent,
      statusBarBrightness: brightness,
      statusBarIconBrightness: brightness,
    ));
  }
}