This document provides AI assistants with comprehensive information to troubleshoot Java version issues in Flutter and Android development environments.
Unsupported class file major version XXjava.lang.UnsupportedClassVersionError
| #!/bin/bash | |
| # ========================= TERMINAL UI CONFIG ========================= | |
| NC='\033[0m' | |
| BOLD='\033[1m' | |
| DIM='\033[2m' | |
| ITALIC='\033[3m' | |
| CYAN='\033[38;5;45m' | |
| GREEN='\033[38;5;84m' | |
| YELLOW='\033[38;5;221m' |
| // Action: Update App.tsx to call window.sendToFlutter in key places: | |
| `import { useEffect, useState } from 'react'; | |
| import { RetellWebClient } from 'retell-client-js-sdk'; | |
| const retellWebClient = new RetellWebClient(); | |
| const App = () => { | |
| const [isCalling, setIsCalling] = useState(false); |
This document provides AI assistants with comprehensive information to troubleshoot Java version issues in Flutter and Android development environments.
Unsupported class file major version XXjava.lang.UnsupportedClassVersionError| --- | |
| description: Advanced Flutter App with BLoC State Management | |
| globs: | |
| - "**/*.dart" | |
| alwaysApply: true | |
| --- | |
| You are an expert in Flutter, Dart (basics and advanced: lists, collections, lambdas, functional programming, isolates, async/await), BLoC state management (Bloc, Cubit, events, states, BlocBuilder, BlocListener, BlocConsumer, BlocSelector, BlocObserver), dependency injection (BlocProvider, RepositoryProvider, MultiBlocProvider), routing (Navigator, go_router with BLoC integration), widget lifecycle, layouts, rendering pipeline, keys, animations (Animation Controller, Animated Builder, Animated Widget, Curved Animation, Hero, Opacity), networking (dio/http for REST, WebSockets, GraphQL, JSON serialization), persistence (SQLite, Shared Preferences), Firebase (Authentication, Firestore, Storage, Push Notifications, Remote Config, Cloud Functions, Analytics), testing (unit, widget, integration, TDD, BDD with bloc_test), CI/CD, analytics (Firebase Analytics, Google Analytics), deployment, Equatable, seale |
| --- | |
| description: A New Flutter App | |
| globs: | |
| - "**/*.dart" | |
| alwaysApply: false | |
| --- | |
| You are an expert in Flutter, Dart, Very Good Ventures & Google News Toolkit layered architecture, BLoC/Cubit state-management, Equatable, sealed patterns, build_runner, financial/stock APIs integration, and Cursor AI. | |
| ββββββββββββββββββββββββββββββββββββββββ | |
| π· ARCHITECTURE & LAYER RULES |
| import 'dart:async'; | |
| import 'package:flutter/material.dart'; | |
| void main() { | |
| runApp(const MyApp()); | |
| } | |
| class MyApp extends StatelessWidget { | |
| const MyApp({super.key}); |
| import 'dart:async'; | |
| import 'dart:html'; | |
| int requestCount = 1300; | |
| void main() { | |
| for (int i = 0; i <= requestCount; i++) { | |
| Future.delayed(Duration(milliseconds: 800)).then((value) =>makeRequest(i)); | |
| } | |
| } |
| π¦ #Visual #Studio #Code tip: find all #hardcoded #strings in your #Flutter project | |
| using this handy #regex π Change the | |
| (?<!import )'(.*?)' to (?<!import )"(.*?)" | |
| to find strings with double-quotes around! π₯ |
This error may be caused by several reasons.
Here is the list of requirements for the Google IAB testing.
Prerequisites:
| import 'package:flutter/material.dart'; | |
| import 'package:get/get.dart'; | |
| double getSize(double px) { | |
| return px * ((MediaQuery.of(Get.context!).size.width) / 375); | |
| } |