[Flutter] 앱 시작 로딩화면 App loading page

0. flutter_native_splash
   https://pub.dev/packages/flutter_native_splash

1.패키지 다운로드(https://pub.dev)
Package download from (https://pub.dev)

• flutter_native_splash

	flutter pub add flutter_native_splash

2. flutter_native_splash.yaml

• pubspec.yaml과 동일 경로에 파일 생성
• smae path to pubspec.yaml
• vi또는 메모장등으로 원하는 색상 이미지를 원하는대로 수정
• "vi" or "notepad" edit what you want color and image whatever .

fflutter_native_splash:
  color: "#009000"
  image: assets/Kaaba.png
  branding: assets/Kaaba.png
  # color_dark: "#121212"
  # image_dark: assets/Kaaba.png
  # branding_dark: assets/Kaaba.png

  android_12:
    image: assets/Kaaba.png
    icon_background_color: "#009000"
    # image_dark: assets/Kaaba.png
    # icon_background_color_dark: "#121212"

  web: false

3. command on prompt

dart run flutter_native_splash:remove && dart run flutter_native_splash:create

4. main.dart

Future<void> main() async {
  runApp(const WhereIsKaaba());
  
  # close splash screen
  FlutterNativeSplash.remove();
}

finished!!