animated_splash_screen | Flutter Package

// pubspec.yaml
dependencies:
  animated_splash_screen: ^1.1.0

// main.dart MatertialApp() 안에 homepage() 호출하는 부분에 추가
import 'package:animated_splash_screen/animated_splash_screen.dart';

...
home: AnimatedSplashScreen(
  splash: Image.asset('assets/images/logo.png'),
  nextScreen: homepage(),
  splashTransition: SplashTransition.fadeTransition,
  backgroundColor: Colors.white,
  duration: 3000,
),
...