我正在开发一个 TextFormField 来接受密码。我已将后缀图标设置为具有 IconButton 子项来检测单击事件并切换 TextFormField 的模糊文本属性。 iconButton 的回调函数被调用,但 TextFormField 不会被重新绘制。关于如何解决这个问题有什么想法吗? static Widget buildTextFormField(String id, FormFieldValidator<String>...
您可以使用此自定义小部件：
visibility); bool obscure = true; TextFormField( style: TextStyle(color: Colors.black), obscureText: obscure, decoration: InputDecoration( hintText: "Enter Password", labelText: "Password", suffixIcon: IconButton( onPressed: () { setState(() { if (obscure == true) { obscure = false; i...
Implement a bool which will easily hide/show error text for validator (If we are showing it somewhere else, outside container for example). Validator is the only way to easily implement form validation logic without additional methods, and having to hide stock text in a hacky way inside Input...
创建布尔变量isVisible：
Steps to reproduce Run the app below (an app that makes a change to a property of TextField that gets passed to TextSelectionOverlay). Drag the selection in order to show the magnifier. Expected results Changes to the magnifier appear sm...
在导航到不同的屏幕之前，您需要执行createUser()。最好在要执行的请求上添加debugPrint()，以验证它们...
Password for 'https://userName@gitee.com':#私人令牌 CHANGELOG.md33.03 KB 一键复制编辑原始数据按行查看历史 Lorenzo Pichilli提交于4年前.added ScreenshotConfiguration class and screenshotConfiguration option… 5.0.0-nullsafety.0 Added support for Dart null-safety feature ...
[ TextFormField( decoration: InputDecoration(labelText: 'Name'), validator: (value) { if (value == null || value.isEmpty) { return 'Please enter your name'; } return null; }, onSaved: (value) { _name = value!; }, ), TextFormField( decoration: InputDecoration(labelText: 'Email...
});finalEmail email;finalPassword password;finalFormzStatus status;MyFormStatecopyWith({Email email,Password password,FormzStatus status,}){returnMyFormState(email:email??this.email,password:password??this.password,status:status??this.status,);}@overrideList<Object>getprops=>[email,password,status];...