The name 'File' is defined in the libraries 'dart:html' and 'dart:io'

user_15974947 0
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Does anybody know how to solve this error here's my code and the imports the error is in the "File" the error is as follows:

The name 'File' is defined in the libraries 'dart:html' and 'dart:io'.

 @override
  State createState() => ChatScreenState(receiverId: receiverId, receiverAvatar: receiverAvatar);
}




class ChatScreenState extends State<ChatScreen>
{
  final String receiverId;
  final String receiverAvatar;

  ChatScreenState({
    Key key,
    @required this.receiverId,
    @required this.receiverAvatar,
  });

  final TextEditingController textEditingController = TextEditingController();
  final ScrollController listScrollController = ScrollController();
  final FocusNode focusNode = FocusNode();
  bool isDisplaySticker;
  bool isLoading;

  File imageFile;
  String imageUrl;

  String chatId;
  SharedPreferences preferences;
  String id;
  var listMessage;

  @override
  void initState() {
    // TODO: implement initState
    super.initState();
    focusNode.addListener(onFocusChange);

    isDisplaySticker = false;
    isLoading = false;

    chatId = "";

    readLocal();
  }

I also imported this

import 'dart:async';
import 'dart:html';
import 'dart:io';
import 'package:file/file.dart';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:firebase_storage/firebase_storage.dart';
import 'package:flutter/material.dart';
import 'package:telegramchatapp/Widgets/FullImageWidget.dart';
import 'package:telegramchatapp/Widgets/ProgressWidget.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:image_picker/image_picker.dart';
import 'package:intl/intl.dart';
import 'package:shared_preferences/shared_preferences.dart';

imports Main sample of code

dart flutter android java
2 Answers

Please check you need dart.html or not. If you need both packages, you can use a typecast operator as.

//import
import 'dart:io' as io;
import 'dart:html';


//Usage
io.File imageFile;
File htmlFile;
user_158466520

You just need to remove the unneeded import files, which will be shown with a blue underline.

user_165566510
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