一個簡單的啓動頁佈局-Flutter

設置狀態欄|啓動頁的佈局方式

項目來源：https://github.com/LiveLikeCounter/Flutter-Todolist

• 效果
  

• 源代碼

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
void main(){
  //設置狀態欄
  SystemChrome.setSystemUIOverlayStyle(
      SystemUiOverlayStyle(
          statusBarColor: Colors.transparent//隱藏頂部狀態欄
      )
  );
  runApp(MaterialApp(
    debugShowCheckedModeBanner: false,//不顯示debug橫幅
      home:MyApp()
  ));

}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(//整體居中
          child: Container(//Container用來調整寬度
            //根據不同的屏幕大小調整Container的寬度
            width: MediaQuery.of(context).size.width / 1.2,
            child: Column(//垂直佈局
              children: <Widget>[
                Expanded(
                  flex: 8,//flex調整比例
                  child: Container(
                    width: MediaQuery.of(context).size.width/2.5,
                    child: Image.network("https://cdn.jsdelivr.net/gh/cnatom/images/images/diary.png"),),
                ),
                Expanded(
                  flex: 3,
                  child: Column(
                    children: <Widget>[
                      Text(
                        '阿騰木的小世界',
                        style: TextStyle(
                            fontSize: 22,
                            fontWeight: FontWeight.w500,
                            color: Color.fromRGBO(85, 78, 143, 1)),
                      ),
                      SizedBox(height: 15),//間距
                      Text(
                        'ccatom.com',
                        style: TextStyle(
                            fontSize: 17,
                            fontWeight: FontWeight.w400,
                            color: Color.fromRGBO(130, 160, 183, 1),
                            ),
                      ),
                    ],
                  ),
                ),
                Expanded(
                  flex: 1,
                  child: RaisedButton(
                    onPressed: () {},
                    textColor: Colors.white,
                    padding: const EdgeInsets.all(0.0),
                    shape: RoundedRectangleBorder(
                      borderRadius: BorderRadius.circular(8.0),
                    ),
                    child: Container(
                      width: MediaQuery.of(context).size.width / 1.4,
                      height: 60,
                      decoration: const BoxDecoration(
                        gradient: LinearGradient(
                          colors: <Color>[
                            Color.fromRGBO(93, 230, 26, 1),
                            Color.fromRGBO(57, 170, 2, 1),
                          ],
                        ),
                        borderRadius: BorderRadius.all(
                          Radius.circular(8.0),
                        ),
                        boxShadow: [
                          BoxShadow(
                            color: Color.fromRGBO(30, 209, 2, 0.24),
                            blurRadius: 15.0,
                            spreadRadius: 7.0,
                            offset: Offset(0.0, 0.0),
                          ),
                        ],
                      ),
                      padding: const EdgeInsets.fromLTRB(20, 10, 20, 10),
                      child: Center(
                        child: Text(
                          '進入',
                          style: TextStyle(
                              fontSize: 18, fontWeight: FontWeight.w500),
                        ),
                      ),
                    ),
                  ),
                ),
                Expanded(
                  flex: 2,
                  child: Container(),
                )
              ],
            ),
          )
      ),
    );
  }
}