String host, int port) => true); final request = await client .getUrl(Uri.parse(url)) .timeout(Duration(seconds: 5)); HttpClientResponse response = await request.close(); var responseBody = await
],),// method1: Padding -> child// methods2: PaddingPadding(padding:constEdgeInsets.only(top:10.0),child:SizedBox(width:120,child:ElevatedButton(child:Text('登录'),onPressed:()async{Stringmobile=controller.text;Stringcode=codeController.text;if(RegExp(RegParttern.mobileParttern).hasMatch(...
Noticed that you didn't have to use context to do any of these things? That's one of the biggest advantages of using Get route management. With this, you can execute all these methods from within your controller class, without worries.More details about route management...
hasData('token') ? Home() : Login(); }) ] )Why Getx?1- Many times after a Flutter update, many of your packages will break. Sometimes compilation errors happen, errors often appear that there are still no answers about, and the developer needs to know where the error came from, ...
String errorText = 'Error: ${e.code}\nError Message: ${e.description}'; print(errorText); Fluttertoast.showToast( msg: 'Error: ${e.code}\n${e.description}', toastLength: Toast.LENGTH_SHORT, gravity: ToastGravity.CENTER, backgroundColor: Colors.red, ...
我试图创建一个按钮,该按钮可以将一个特殊字符插入到TextField中,这是我最初的实现:input.insertText(input.getCaretPosition这不是我想要的,所以我尝试像这样直接使用侦听caretPosition属性:input.caretPositionProperty().addListener((obs, old 浏览5提问于2020-04-16得票数 0 回答已采纳 ...
TextField(decoration:constInputDecoration(border:OutlineInputBorder(),labelText:'Contact Name',),) 但是Flutter 是声明式 UI 编程,我们无法像 Android 里那样拿到 TextField 的实例,类似这样(textFieldInstance.text)获取到内部的输入内容。 不过,办法还是有的,只是略有不同而已。
get dataMenus => { // 'icon': Icons.text_fields, }, { - 'path': '/Image', + 'path': '/image', 'label': 'Image', 'subtitle': '图片', 'isFlutter': true, diff --git a/lib/navigation/menu/feedback.dart b/lib/navigation/menu/feedback.dart index 1e7c9aa..6217c01 100644 ...
When textfield is used to pop up the keyboard, an error is reported, code sample import'package:flutter/material.dart';voidmain() {runApp(constMyApp()); }classMyAppextendsStatelessWidget{constMyApp({Key?key}):super(key:key);// This widget is the root of your application.@overrideWidget...
import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( title: 'Flutter Demo', theme: ThemeData( primarySwatch: Col...