There is an error regarding h1 Invalid constant value. expected result Here is the correct code (the const keyword is not at the right place): import 'package:flutter/material.dart'; class A extends StatelessWidget { const A({super.key}); @override Widget build(BuildContext context) { const...
Steps to Reproduce I have a Container and I want to set dynamic position with the position parameters. But when I use the parameters in Container position, the error was showed: "Invalid constant value.dart(invalid_constant)" This is my ...
问解密字符串时InvalidCipherTextException "Pad块损坏“ENpad一个张量。 这个操作根据指定的paddings填充一个tensor。padding是一个形状为[n, 2]的整数张量，其中n是张量的秩。对于输入的每个维度D，paddings[D, 0]表示在该维度tensor的内容之前要添加多少个值，paddings[D, 1]表示在该维度张量的内容之后要添加多少...
Flutter/客户端代码/机制 void loginSignUpWithApple() async { SignInWithApple.getAppleIDCredential( scopes: [ AppleIDAuthorizationScopes.email, AppleIDAuthorizationScopes.fullName ], ).then((value) { _socialLoginSignUp(value.authorizationCode, describeEnum(LoginMethod.APPLE)); }).catchError((e) {...
import 'dart:convert'; import 'package:flutter/material.dart'; import 'package:flutter/services.dart'; class HomeScreen extends StatefulWidget { const HomeScreen({Key? key}) : super(key: key); @override _HomeScreenState createState() => _HomeScreenState(); } class _HomeScreenState extends State...
Working on a new widget in the widgets layer, I defined a const Icon using the ascii value for the IconData: const Icon(IconData(0x25BA)); Since the Icon widget is defined in the widgets layer, I thought this should work fine. Running an app with this builds and works fine. When ...
then((value) => {FlutterDownloader.open(taskId: id)}); } IsolateNameServer.lookupPortByName('downloader_send_port') ?.send([id, status, progress]); } void _bindBackgroundIsolate() { IsolateNameServer.registerPortWithName( _port.sendPort, 'downloader_send_port'); _port.listen((dynamic ...
import 'dart:async'; import 'dart:io'; import 'package:flutter/material.dart'; import 'package:in_app_purchase/in_app_purchase.dart'; import 'package:in_app_purchase_android/billing_client_wrappers.dart'; import 'package:in_app_purchase_android/in_app_purchase_android.dart'; import 'package...
Flutter Flutter + 247396 flutter::PlatformMessageRouter::HandlePlatformMessage(std::__1::unique_ptr<flutter::PlatformMessage, std::__1::default_delete<flutter::PlatformMessage> >) const flutter/shell/platform/darwin/ios/framework/Source/platform_message_router.mm:27:5 flutter::PlatformViewIOS::...
import'package:flutter/material.dart';voidmain() {runApp(constMyApp()); }classMyAppextendsStatelessWidget{constMyApp({super.key});@overrideWidgetbuild(BuildContextcontext) {returnMaterialApp( title:'Flutter Demo', theme:ThemeData( colorScheme:ColorScheme.fromSeed(seedColor:Colors.deepPurple), ...