WebSep 28, 2024 · TextField ( controller: urlController, decoration: InputDecoration ( border: OutlineInputBorder (), labelText: 'Paste URL', ), ) Whenever you face Invalid constant value error, It sounds like you're using the const keyword but are not providing a constant value. The fix is to remove the const keyword. WebApr 25, 2024 · Container にdecorationを指定して BoxDecoration に色をつけましょう。. それでこんな感じに色がつきます!. BoxDecoration(color: Colors.black.withOpacity(0.4)), Opacity をつけて、背景を透明にさせてもいいですね!.
flutter - flutter 闹钟没有声音 - flutter alarm clock not getting …
WebI'm working currently on a flutter project 我目前正在从事 flutter 项目. the app is working fine but i have some issues: 该应用程序运行良好,但我有一些问题: 1-i get the notification but i don't get any sound from the notification, i don't know if this is flutter_local_notifications dependency problem because when i tried to update it to the latest version i got few ... WebJun 7, 2024 · In Flutter, SizedBox widget is defined as a box with a specified size. Unlike Container, you cannot set color or decoration using SizedBox. The widget is only used … shaq where does he live
How to change background color of PopupMenuItem in Flutter
WebOct 12, 2024 · 74. You can use a Circular Avatar with the radius = text field's height/2 or whatever height you prefer. To figure out text field specs you can visit material.io. So the chunk of code is going to be like the following: CircleAvatar ( radius: 30, backgroundColor: Color (0xff94d500), child: IconButton ( icon: Icon ( Icons.search, color: Colors ... WebMay 25, 2024 · @override Widget build (BuildContext context) { return DecoratedBox ( decoration: BoxDecoration ( image: DecorationImage (image: AssetImage ("your_asset"), fit: BoxFit.cover), ), child: Center (child: FlutterLogo (size: 300)), ); } Share Improve this answer Follow edited Jul 21, 2024 at 16:10 answered Feb 5, 2024 at 14:19 CopsOnRoad WebJul 8, 2024 · Center ( child: Theme ( data: Theme.of (context).copyWith ( cardColor: Colors.greenAccent, ), child: PopupMenuButton ( onSelected: (value) { }, offset: Offset (50, 50), itemBuilder: (context) => [ PopupMenuItem ( value: 1, child: Container ( height: double.infinity, width: double.infinity, color: Colors.greenAccent, // i use this to change … pool business cards samples