你没有将key添加到表单中，下面的代码应该可以工作：
你没有将key添加到表单中，下面的代码应该可以工作：
import 'package:flutter/material.dart'; void main() => runApp(MyApp()); class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar( title: Text('App Name'), ), body: Center( child: Form( autovalidate: true, ...
[✓] Flutter (Channel stable, 3.24.5, on macOS 14.6.1 23G93 darwin-x64, locale en-CO)• Flutter version 3.24.5 on channel stable at $HOME/Development/flutter• Upstream repository https://github.com/flutter/flutter.git• Framework revision dec2ee5c1f (9 days ago), 2024-11-13 ...
我在屏幕顶部添加了按钮。如果用户在选中条款复选框之前按下该按钮,屏幕将滚动到复选框以突出显示复选框,这样用户就可以知道需要条款和条件协议。 如何使用Flutter实现这一点?有没有办法在form.currentState.validate()失败时自动滚动到必填字段?? validation flutter dart flutter-layout...
So instead of burning through all their funds on a fancy website or complex software development processpriorto launch, they created an MVP in the form of a desktop application with music streaming as their core functionality to test the market need. However, their biggest focus was to bring ...
export default { methods: { submitForm() { this.$validator.validateAll().then((result) => { if (result) { // 表单验证通过,执行提交逻辑 } }); }, }, }; 在上述代码中,我们使用this.$validator.validateAll()方法来触发表单的验证,并通过then方法处理验证结果。如果验证通过,可以在回调函数中执行...
OpenGL无法正常渲染某些分辨率YUV数据 使用eglSwapBuffers API,eglSwapBuffers执行抛出错误码:EGL_BAD_SURFACE (300d)。日志显示:QEGLPlatformContext: eglSwapBuffers failed: 300d。 使用eglSwapBuffers API,eglSwapBuffers执行抛错错误码:EGL_BAD_ALLOC。 OpenGL同一个上下文在多线程中使用问题 ...
Because flutteroc depends on Shared preferences plugin any which doesn't exist (could not find package Shared preferences plugin at https://pub.flutter-io.cn), version solving failed. 2019-12-24 09:59 −出现这个问题本质原因是找不到第三方的库基本可以确认库的名字错了 1.库名中有空格请用"_...
flutter/packages/flutter/test/widgets/form_test.dart Line 889 in tester.pumpWidget(builder()); // The issue only happens on the second build so we// need to rebuild the tree twice.awaittester.pumpWidget(builder());awaittester.pumpWidget(builder()); ...