cupertino_icons: ^1.0.2 flutter_dropdown: ^0.4.0 在Flutter页面中创建一个TextField和DropDownButton组件。例如: 代码语言:txt 复制 import 'package:flutter/material.dart'; import 'package:flutter_dropdown/flutter_dropdown.dart'; class MyPage extends StatefulWidget { @override _MyPageState createState...
在Flutter中创建TextField框中的标题,可以通过使用TextField的属性来实现。具体步骤如下: 导入Flutter的material包:在代码文件的顶部添加import 'package:flutter/material.dart';。 在Flutter的Widget树中,使用TextField组件来创建文本输入框。例如: 代码语言:txt 复制 TextField( decoration: InputDecoration( labelT...
I recently made my own DropdownMenu Widget using the flutter provided DropdownMenu Widget. Apparently it did not get disposed while being still in focus (Used it on a Page inside PageView). Therefore, I calculated the delta value of the bottom insist on detecting if the keybo...
69 control & disable a dropdown button in flutter? 0 DropdownButton is always disabled 0 DropdownButton hide on enter on it and I can't select an option 10 TextField focus stuck when dropdown button is selected 4 How to disable DropDown in flutter 0 How to disable Dropdownlist ...
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Same happens with TextFormField. I also tried passing a FocusNode and FocusScope.of(context).requestFocus(focusNode) but doesn't work. Demo video Steps to Reproduce Reproduced the problem with a fresh flutter project. import 'package:flutter/material.dart'; void main() => runApp(MyApp()); ...
第二: flutter不会将焦点从任何TextField完全转移到DropdownButton。我的意思是,点击了TextField,然后点击了DropdownButton,但是在点击按钮之后,焦点又回到了那个TextField。这是颤动的默认动作吗? List<dynamic> _cityList; String _selectedCity; 浏览31提问于2019-02-07得票数 0 回答已采纳...
'[{"po_id":"2","po_number":"4678576341","item_name":"Keyboard"},{"po_id":"3","po_...
In my case, I have a TextField and a select field (DropdownButton). When the user selects a value from the DropdownButton, the content of the TextField is supposed to be overridden. With the above approach, when I call setTitle(value) in the onChange of the DropdownButton, the...
TextField arrows up & down didn't work when change Align to center or right in Flutter When I using **TextField **Widget and using TextAlign.center Or TextAlign.right. When I press on arrows up & down the **curser **must go to begin or end of text but an error has occurred an...