[Flutter] Udemy 플러터 강의 섹션 15 학습 (학습중인 포스팅입니다) (Flash Chat - Fluuter x Firebase Cloud Firestore)

 

 

 

 

[이전학습]

https://youngest-programming.tistory.com/701

[Flutter] Udemy 플러터 강의 섹션 14 학습 (학습중인 포스팅입니다) (Boss Level Challenge 3 - Bitcoin Tricker)

 

[참고]

https://www.udemy.com/course/flutter-bootcamp-with-dart/

The Complete 2021 Flutter Development Bootcamp with Dart

 

https://github.com/mtjin/flutter-practice

GitHub - mtjin/flutter-practice: Learning About Flutter (플러터 공부)

 

 

 

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[프로젝트]

 

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[메모]

 

 

 

플러터 커스텀 애니메이션 관련 클래스 및 문서들

• Curves Class Documentation
• CurvedAnimation Class Documentation
• Tween Animation Class

 3개다 구현해보고 마지막으로 Tween 해봄

import 'package:flash_chat/screens/login_screen.dart';
import 'package:flash_chat/screens/registration_screen.dart';
import 'package:flutter/material.dart';

class WelcomeScreen extends StatefulWidget {
  static const String id = 'welcome_screen';

  @override
  _WelcomeScreenState createState() => _WelcomeScreenState();
}

// SingleTickerProviderStateMixin 는 AnimationController 를 사용하는데 필요
class _WelcomeScreenState extends State<WelcomeScreen>
    with SingleTickerProviderStateMixin {
  AnimationController controller;
  Animation animation;

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

    controller =
        AnimationController(duration: Duration(seconds: 1), vsync: this);
    animation = CurvedAnimation(parent: controller, curve: Curves.easeIn);

    controller.forward();
    animation = ColorTween(begin: Colors.blueGrey, end: Colors.white)
        .animate(controller);
    controller.addListener(() {
      setState(() {});
      print(animation.value);
    });
  }

  @override
  void dispose() {
    controller.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: animation.value,
      body: Padding(
        padding: EdgeInsets.symmetric(horizontal: 24.0),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: <Widget>[
            Row(
              children: <Widget>[
                Hero(
                  tag: 'logo',
                  child: Container(
                      child: Image.asset('images/logo.png'), height: 60.0),
                ),
                Text(
                  'Flash Chat',
                  style: TextStyle(
                    fontSize: 45.0,
                    fontWeight: FontWeight.w900,
                  ),
                ),
              ],
            ),
            SizedBox(
              height: 48.0,
            ),
            Padding(
              padding: EdgeInsets.symmetric(vertical: 16.0),
              child: Material(
                elevation: 5.0,
                color: Colors.lightBlueAccent,
                borderRadius: BorderRadius.circular(30.0),
                child: MaterialButton(
                  onPressed: () {
                    //Go to login screen.
                    Navigator.pushNamed(context, LoginScreen.id);
                  },
                  minWidth: 200.0,
                  height: 42.0,
                  child: Text(
                    'Log In',
                  ),
                ),
              ),
            ),
            Padding(
              padding: EdgeInsets.symmetric(vertical: 16.0),
              child: Material(
                color: Colors.blueAccent,
                borderRadius: BorderRadius.circular(30.0),
                elevation: 5.0,
                child: MaterialButton(
                  onPressed: () {
                    //Go to registration screen.
                    Navigator.pushNamed(context, RegistrationScreen.id);
                  },
                  minWidth: 200.0,
                  height: 42.0,
                  child: Text(
                    'Register',
                  ),
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }
}

 

 

 

 

 

 

 

 

 

 

 

 

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아직 학습중인 챕터 포스팅입니다 :)