import'package:flutter/material.dart';voidmain() => runApp(MyApp());classMyAppextendsStatelessWidget{@overrideWidget build(BuildContext context) {returnMaterialApp( title:'Flutter Demo', home: Scaffold( body: Center( child: Row( children: <Widget>[ FlutterLogo(colors: Colors.blue), Spacer(flex:...
這個時候就需要Spacer,那什麼是Spacer,按照慣例來看官方文件: Spacer creates an adjustable, empty spacer that can be used to tune the spacing between widgetsina Flex container, like Row or Column. Spacer建立一個可調整的空間隔,可用於調整Flex容器(如行或列)中視窗小部件之間的間距。複製程式碼 接下來再...
body:Center(child:Row(mainAxisAlignment:MainAxisAlignment.spaceEvenly,children:<Widget>[Container(color:Colors.blue,margin:EdgeInsets.symmetric(horizontal:5),height:50,width:50,),Spacer(flex:2),// 弹性系数为2Container(color:Colors.blue,height:50,margin:EdgeInsets.symmetric(horizontal:5),width:50,)...
1. `class Spacer extends StatelessWidget {` 2. `/// Creates a flexible space to insert into a [Flexible] widget.` 3. `///` 4. `/// The [flex] parameter may not be null or less than one.` 5. `const Spacer({Key key, this.flex = 1})` 6. `: assert(flex != null),` 7...
https://github.com/flutter/flutter/issues/new?template=2_bug.md The relevant error-causing widget was: Column file:///H:/project/flutter/anguo/flutter_plugin_anguo/lib/page/my/passport/destory_account_page.dart:74:18 When the exception was thrown, this was the stack: ...
Flutterのレイアウトを理解する FlutterレイアウトのFlex、Row、Column、Wrap、Stackについて FlutterのBoxConstraintsを理解する この記事はFlutterのレイアウトWidgetのExpanded、Flexible、Spacerの使い方を分かりやすく理解するため書いたものです。
anthonykid / flutter_spacer_widget Star 0 Code Issues Pull requests in this project i explain about spacer widget what its is for, it looks like spaceBetween but you can arrange the space between the widget you have, if you have any issue, just issues this project and i would help yo...
See also: https://flutter.dev/layout/ If none of the above helps enough to fix this problem, please don't hesitate to file a bug: https://github.com/flutter/flutter/issues/new?template=2_bug.md The relevant error-causing widget was: ...
See also: https://flutter.dev/layout/ If none of the above helps enough to fix this problem, please don't hesitate to file a bug: https://github.com/flutter/flutter/issues/new?template=2_bug.md The relevant error-causing widget was: ...