Choose a reasonSpamAbuseOff TopicOutdatedDuplicateResolved Might be a photon's weight clearer to callcurrentIndexbuttonIndex. Sorry, something went wrong. 👍1shihaohong reacted with thumbs up emoji 👍 packages/flutter/lib/src/material/toggle_buttons.dartOutdated ...
在需要使用自定义按钮的地方,使用CustomButton组件: 代码语言:txt 复制 CustomButton(), 这样就可以将图标放入自定义按钮内了。在上述代码中,我们使用了RaisedButton作为按钮的基础组件,并在child属性中使用Row来水平排列图标和文本。你可以根据需要选择其他按钮组件,如FlatButton、OutlineButton等。 关于Flutter的更多信息...
The Rounded Loading Button has many configurable properties, including: duration- The duration of the button animation loaderSize- The size of the CircularProgressIndicator animateOnTap- Whether to trigger the loading animation on the tap event ...
),body:Center(child:Obx(()=>Text("${count.value}",style:constTextStyle(fontSize:50))),),floatingActionButton:FloatingActionButton(child:constIcon(Icons.add),onPressed:()=>count++,),);}}
// ignore_for_file: depend_on_referenced_packagesimport'package:flutter/material.dart';import'package:widgetbook/widgetbook.dart';import'package:widgetbook_in_flutter_course/widgets/button.dart';voidmain() { runApp(constHotReload()); }classHotReloadextendsStatelessWidget{constHotReload({ ...
on("tag", (barcode) { showDialogFunction(context, barcode); }); }, child: const Text("监听扫码事件"), ), ElevatedButton( onPressed: () { // 取消监听 PdaUtils.off("tag"); }, child: const Text("取消监听扫码事件"), ) ], ), ), ); } /// showDialog showDialogFunction(Build...
这里有一个小窍门就是如果FlatButton的onPressed为 null,那么这个按钮的颜色就是灰色的。 所以我们使用TextEditingController来判断就好了: _editingController.addListener(() { if (_editingController.text.isEmpty) { setState(() { submitCallback = null; }); } else { setState(() { if (submitCallback...
white, appBar: AppBar(title: Text('跨页面-Two')), floatingActionButton: FloatingActionButton( onPressed: () { oneLogic.increase(); twoLogic.increase(); }, child: const Icon(Icons.add), ), body: Center( child: Column(mainAxisSize: MainAxisSize.min, children: [ //计数显示 GetBuilder<...
You may add custom buttons to theendof the toolbar, via thecustomButtonsoption, which is aListofQuillCustomButton. To add an Icon, we should use a new QuillCustomButton class QuillCustomButton( icon:Icons.ac_unit, onTap: () { debugPrint('snowflake'); } ), ...
如果应用只有一个界面,则不用设置这个属性,使用 home 设置这个界面即可。如果 home 不为 null,当 routes 中包含 Navigator.defaultRouteName('/') 的时候会出错,两个都是 home 冲突了。如果所查找的路由在 routes 中不存在,则会通过 onGenerateRoute 来查找。