Flutter 里有多种 Button 按钮组件: ElevatedButton : "漂浮"按钮 TextButton :文本按钮 OutlinedButton :线框按钮 IconButton :图标按钮 ButtonBar :按钮组 FloatingActionButton :浮动按钮 属性 按钮(Button)有以下常用属性: onPressed :必填参数,按下按钮时触发的回调,接收一个方法,传 null 表示按钮禁用,会显示禁...
颜色： b 蓝色 g 绿色 r 红色 c 青色 m 品红 y 黄色 k 黑色 线的样式： - 直线 -...
将文件同步到设备sdk gphone64 x86 64.Icon:48:19: Error:参数类型'Icon‘不能分配给参数类型'String’。 ('/C:/src/flutter/packages/flutter/lib/src/widgets/icon.dart').: 'Icon‘来自于’package:src/src/widgets/icon.dart‘在867 in . 中重新启动应用程序 这是我的密码: 代码语言:javascript 复制 ...
( mainAxisAlignment:MainAxisAlignment.center, crossAxisAlignment:CrossAxisAlignment.center, children:<Widget>[ElevatedButton( onPressed:_pickIcon, child:constText('Open IconPicker'), ),constSizedBox(height:10),AnimatedSwitcher( duration:constDuration(milliseconds:300), child:_icon??Container(), ), ],...
As far #74593 (comment), I would say ElevatedButton is good for with elevation zero. Thank you ️ 1 TahaTesser added f: material design found in release: 1.22 found in release: 1.26 framework has reproducible steps labels Jan 25, 2021 HansMuller self-assigned this Jan 27, 2021 ...
lib button_template.dart menu_template.dart packages/flutter lib/src/material button_style_button.dart elevated_button.dart filled_button.dart menu_anchor.dart outlined_button.dart text_button.dart toggle_buttons.dart test/material button_style_test.dart elevated_button_test.dart ...
所以我花了一段时间才弄清楚问题出在哪里，但我想我找到了。
( mainAxisAlignment:MainAxisAlignment.center, crossAxisAlignment:CrossAxisAlignment.center, children:<Widget>[ElevatedButton( onPressed:_pickIcon, child:constText('Open IconPicker'), ),constSizedBox(height:10),AnimatedSwitcher( duration:constDuration(milliseconds:300), child:_icon??Container(), ), ],...
( mainAxisAlignment: MainAxisAlignment.center, crossAxisAlignment: CrossAxisAlignment.center, children: <Widget>[ ElevatedButton( onPressed: _pickIcon, child: const Text('Open IconPicker'), ), const SizedBox(height: 10), AnimatedSwitcher( duration: const Duration(milliseconds: 300), child: _icon ...