to Flutter Development (flutter-dev) Hello everyone, I've been struggling with an http request issue when I try to perform a simple post request to a .net backend. Run a function within a widget in Flutter. Add the following header in your php code: 3- Find '--disable-extensions' 4- Add '--disable-web-security' Share Follow answered Dec 27, 2021 at 7:56 AMMAR ELHAMDO 470 4 9 didn't work for me. anthem healthy pregnancy program reimbursement form. Make sure that your application is accepting the OPTIONS method. I tried with 'dio' and 'http' packages. Sortable list with jQuery (also on mobile). Target OS version/browser:Chrome browser. This means that you have to write explicitly the origin url of the requests. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. The text was updated successfully, but these errors were encountered: @viralvaghela Facing this issue on flutter web onl. Is there any way to solve this? Which is, in this case, is CORS - Cross-Origin Resource Sharing. Reason Behind this error: Suppose your flutter is running at localhost:5500 and nodejs server on localhost:3000. Solution 1: add Access-Control-Allow-Origin Your email address will not be published. We provide programming data of 20 most popular languages, hope to help you! works fine on flutter mobile.. If you run into this problem it means that the requests to the API server are failing due to a CORS error. I was recently getting this error as well and I seem to have fixed by upgrading my package to the most recent 0.12.2 version and it seems to have helped - so far. Using this website you accept them. In case you are using Apache and your API are public, you have to set the following headers: Take a look to Mozilla knowledge for more information about CORS and security concerns. this worked for me: 1- Go to flutter\bin\cache and remove a file named: flutter_tools.stamp. this worked for me, I added the below header on the lambda function. You signed in with another tab or window. krunaldarji @krunaldarji @recvec I have deleted $FLUTTER_ROOT/bin/cache/flutter_tools. This thread has been automatically locked since there has not been any recent activity after it was closed. including the output of flutter doctor -v and a minimal reproduction of the issue. header("Access-Control-Allow-Origin: *"); (Note: This will help in access the local or external APIs), IN Flutter Web getting 'XMLHttpRequest' error while making HTTP call. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue. addAccess-Control-Allow-Originvalue in header might resolve the issue. 1- Go to flutter\bin\cache and remove a file named: flutter_tools.stamp 2- Go to flutter\packages\flutter_tools\lib\src\web and open the file chrome.dart. privacy statement. 3- Find '--disable-extensions'. you will find everything working.. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. When executing these types of requests from the web page, a sort of pre authorization request is made to the server. This needs extra setup + All logs and exceptions. - Flutter Web. Continue with Recommended Cookies. xmlhttprequest error. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. this is a problem mainly associated with your browser. Hi, everyone, how to download a file from internet and save in proper place in different OS, such as android . Generally, if it isn't a same-origin request, you'll need to configure CORS or work around the issue in another way (see https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS). If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page. I have the app manually set to run on port 8000, and I believe I have cors configured correctly: I have also tried manually setting window.location to the /authorize endpoint, which successfully shows the auth0 login page. Accept"); The text was updated successfully, but these errors were encountered: Especially when you want to run your Flutter application, which is connected to t. MichealReed @MichealReed. People Repo info Activity. Just make sure to replace all Underscore by Dash. Error: XMLHttpRequest error. Fix the typo (replace underscores by dashes): IN Flutter Web getting 'XMLHttpRequest' error while making HTTP call, Getting XMLHttpRequest error in Flutter Web for Razorpay API call using http post, IN Flutter Web getting 'XMLHttpRequest' error while making WCF https call, XMLHttpRequest error while using http post flutter web, Flutter Web Http Error : Uncaught (in promise) Error: XMLHttpRequest error, how to fix flutter web http error making http request to a particular web server, Getting error message with random port while making request to localhost from Flutter app, Error while making json api call in flutter, XMLHttpRequest ERROR in Flutter web application during API call, Flutter web http Error: XMLHttpRequest error, Getting XMLHttpRequest error while fetching data from website in Flutter, I am getting error(Error: XMLHttpRequest error.) You will almost certainly see that some parts of the request are not what you intended and that the request failed. thanks a lot. More info - CORS is usually a sever side issue, you have to set up what clients are allowed. This seems to be a CORS issue over which Flutter has no control. Second cors.. this is very common if you are using making a web app Just removed the header attribute from the post method and it works for me. privacy statement. This app makes a XMLHttpRequest (no credentials) to an external HTTPS domain and it works fine with Chrome and Firefox (and also Safari on Mac OS X), https://stackoverflow.com/a/66879350/9914638. Flutter Routes Emulators keeps rendering '/' instead of InitialRoute, I just want to show an incoming ui call screen in flutter. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Click to share on Twitter (Opens in new window) Click to share on Facebook (Opens in new window) Click to share on LinkedIn (Opens in new window) I am encountering an error XMLHttpRequest error while trying to connect to a localhost as well as an external url. To allow a correct answer from the server, you need to add some headers to the response. I pasted my API's URL there. Is there any other solution for this? Just make sure to replace all Underscore by Dash.. Flutter Web getting 'XMLHttpRequest' error while making HTTP call To Solve Flutter Web getting 'XMLHttpRequest' error while making HTTP call Error Most cases of this error just addAccess-Control-Allow-Originvalue in the header might resolve the issue. Manage Settings A possible (?) F12 Tools -> Access to XMLHttpRequest at 'https://localhost:44360/xxyy' from origin 'http://localhost:52273' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. S. your browser fails to handle the request as they are running on different ports. Well occasionally send you account related emails. https://github.com/MayurSolanki/flutter_web, https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS. Add the below code to your website's .htaccess file. Changing port no of gjango or even flutter doesn't make any change. Get all documents from collection in firestore, Firestore Security Rule for arrayContains Query, How do I validate my email from the first two characters, Flutter 'Future' is not a subtype of type 'Widget', Flutter: How to set up Stream and Provider, Flutter: Set default value from another textformfield to textformfield. you can develop using To debug it, use Chrome's DevTools (Ctrl+Shift+C), go to 'Network' and check there. The consent submitted will only be used for data processing originating from this website. All rights reserved. https://stackoverflow.com/a/66879350/9914638. Is it possible to create a List in Flutter/Dart with more than one type? Flutter: MissingPluginException when calling plugin from isolate spawned by native code, Flutter: How do I create a semicircle on top of this widget, I can't click main.dart key and can't run, How to change TextButton text color in Flutter. See this similar resolved issue. After deleting $FLUTTER_ROOT/bin/cache/flutter_tools. This thread has been automatically locked since there has not been any recent activity after it was closed. Creative Commons Attribution-NonCommercial 4.0 International License. 2- Go to flutter\packages\flutter_tools\lib\src\web and open the file chrome.dart. The. Moreover, CORS behavior is different between browser and apps. github-actions bot locked as resolved and limited conversation to collaborators Jul 30, 2021 This request is an OPTIONS request that must be answered with a 2xx response. as API bas. Fix the typo (replace underscores by dashes): Add the following header in your php code: 1- Go to flutter\bin\cache and remove a file named: flutter_tools.stamp. flutter web" Code Answer's xmlhttprequest error flutter whatever by Santino on Mar 20 2021 Donate Comment 1 xxxxxxxxxx 1 this worked for me, I added the below header on the lambda function 2 3 return { 4 If you are still experiencing a similar issu. Hint: you have typo in your above header, please check and correct. flutter run -d chrome --web-port=9090: With this command, we can specify the port. Have a question about this project? We and our partners use cookies to Store and/or access information on a device. Is there a problem with our server side implementations? This is called PreFlight authorization. I'm closing the issue because this is unrelated to Flutter, Dart, or anything else on this repo. @aneeshjose check this link: https://gist.github.com/jimmywarting/ac1be6ea0297c16c477e17f8fbe51347. How do i add cart page for my ecommerce app on flutter? Hi, since the app_auth flutter package doesn't work with Flutter Web, I'm trying to directly call the /authorize endpoint. When executing these types of requests from the web page, a sort of "pre authorization request" is made to the server. Your email address will not be published. Learn how your comment data is processed. Sign in 2- Go to flutter\packages\flutter_tools\lib\src\web and open the file chrome.dart. Already on GitHub? please open a new bu. When I sign in with Google, I am successfully . Already on GitHub? workaround would be a CORS proxy. This same API is working successfully with react and angular (giving correct response). If you will use postman and send the same reques. AMMAR ELHAMDO 292. Allow cors inyour backend and specify that your sending json in your frontend. Facing this issue on flutter web only, works fine on flutter mobile. I just had to add localhost as a trusted web app and it started working without issues. Find the data you need here. Can I change screen orientation manually? You cannot make an http request to arbitrary domains in a web browser. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue. Copy code, In most cases of Flutter API use, addAccess-Control-Allow-Origin value in header might resolve the issue. To Solve Flutter Web getting 'XMLHttpRequest' error while making HTTP call Error Most cases of this error just add Access-Control-Allow-Origin value in the header might resolve the issue. To use authentication such as cookies, you cannot use the wildcard * in Access-Control-Allow-Origin header. In most cases of Flutter API us. Hi, I have a Web app which I want to test from a Web server running using "0.0.0.0" so it's accessible from localhost and intranet hostname. (Note: This will help in access the local or external APIs). . the purpose of answering questions, errors, examples in the programming process. This thread has been automatically locked since there has not been any recent activity after it was closed. header("Access-Control-Allow-Headers": "Access-Control-Allow-Origi. (Note: This will help in access the local or external APIs). to your account. targeting the web with a flutter app is easy but you must make sure your backend supports Cross Origin Resource Sharing (CORS) in making web api calls.This video address changes needed to. zero gravity food menu Solution 2. It is here https://github.com/MayurSolanki/flutter_web . Below is my Post request code using http: ^0.13.4 package: All rights reserved 2022 codetagteam.com, 'http://my_web_url/project_pinn/list_cat.php', // Required for cookies, authorization headers with HTTPS, "Origin,Content-Type,X-Amz-Date,Authorization,X-Api-Key,X-Amz-Security-Token,locale", "Content-type:application/json;charset=utf-8", 'http://localhost:80/web_service/calview.php', is there a way to make visual studio code recognize html syntax in php files, converting html to pdf (not pdf to html) using php [closed], netbeans vs phpstorm for php development [closed], apache vs. iis php performance comparison. Required fields are marked *. You may need to enable it in your backend. Just make sure to replace all Underscore by Dash. My server was using nginx so I solved the problem by adding the following two lines to the server block of the sites-enabled config file for my API server: https://stackoverflow.com/questions/60191683/xmlhttprequest-error-in-flutter-web-enabling-cors-aws-api-gateway. and even in this guide, it seems they are creating a web specific plugin vs implementing it as a platform channel in an existing plugin SeekMyCosmic @SeekMyCosmic. to your account, I am trying to use http package in my flutter web application but I am getting this error. * files but still same error recvec @recvec To Solve Flutter Web getting 'XMLHttpRequest' error while making HTTP call Error Most cases of this error just addAccess-Control-Allow-Originvalue in the header might resolve the issue. * files on local SDK it works - now you can start your web project from your IDE and don't get this error message. Then the same error happens again. Our website specializes in programming languages. This is a problem with both your backend and frontend especially if you need to add an authentication header. A second step is the request itself (for example with GET method). Have a question about this project? Same result. Sign in Flutter web: Got an XMLHttpRequest error while trying to connect to a url. 4- Add '--disable-web-security'. By clicking Sign up for GitHub, you agree to our terms of service and Dive into the topic in this interesting Reddit post. In most cases of Flutter API use, add Access-Control-Allow-Origin value in header might resolve the issue. Target Platform:web You can also add the code below to your PHP file like shown in the below snippet: For accessing a website made by flutter basically, you are calling a JS script. First step: Avoid CORS exceptions CORS means Cross-Origin Resource Sharing. Is it possible to save margin and padding as a variable to apply to multiple different containers at once in Flutter? flutter web "xmlhttprequest error. What is the return type of List.generate of Flutter when no type is specified? There may be many shortcomings, please advise. http://localhost:3000 Fix the typo (replace underscores by dashes): Add the following header in your php code: I am getting a XMLHttpRequest error in Flutter Web for Razorpay API call using http post from past 4 days I searched on whole internet but no solution worked in my case.. Getting XMLHttpRequest error in Flutter Web for Razorpay API call using http post. and nginx will send requests do original address and port. Copy code The API he is using is not throwing any error either with http or dio. My server was using nginx so I solved the problem by adding the following two lines to the server block of the sites-enabled config file for my API server: add_header Access-Control-Allow-Origin "*" ; add_header Access-Control-Allow-Methods "GET, HEAD" ; My app only uses GET and HEAD so you may need to add other methods depending on . flutter web Code Example All Languages >> Whatever >> xmlhttprequest error. You signed in with another tab or window. The text was updated successfully, but these errors were encountered: Same issue here. My server was using nginx so I solved the problem by adding the following two lines to the server block of the sites-enabled config file for my API server: Thank you! Fix the typo (replace underscores by dashes):. About Us. An example of data being processed may be a unique identifier stored in a cookie. It's a security mechanism built into the browser which kicks in if the website and the server are from different origins.. while I am running flutter application using http post request, Flutter web HTTP exception Error: XMLHttpRequest error, XMLHttpRequest error in flutter web [Enabling CORS AWS API gateway], Getting error while upgrade the flutter version 2.0, Getting error while run flutter app in iOS, Getting "Assertion failed:_pressedKeys.containsKey(event.physicalKey)" error in Flutter Web, Flutter web integration test CORS XMLHttpRequest error, Flutter web api calling XMLHttpRequest error, Getting some unknown error of :app:processDebugResources while flutter run, Flutter Web Firebase Hosting XMLHttpRequest error (no error using local chrome browser (debug), or using Firefox), Flutter DIO library XMLHttpRequest error Web, Getting error while adding shared_preferences to flutter app, Not getting any error output in Flutter web, Flutter Getting Error While Running: java.lang.IllegalAccessError, Getting error while using variable in GraphQL Flutter, I am getting error while running the flutter project for iOS, Error While trying to Deploy Flutter Web App on cPanel: "We're sorry, but something went wrong..", Getting error while running flutter project in simulator in debug mode, Getting this error while creating a new flutter project Error : Could not resolve URL "https://pub.dartlang.org", Title name of my new card changes all the other cards' name to the new title name, The Flutter Directory Is Not A Clone of GitHub Project, make clickable below page in stack flutter, Flutter : CupertinoTabScaffold - Back button close app on Android from TabView's navigation, Firebase Message to display invalid email/error when trying to sign in. which threw up a bunch of results all complaining about the same error (all with no solution - which doesn't bode well - typically means there isn't a solution). For development purposes, my flutter web is talking to a .net core service so I had to enable CORS in development mode only to allow CORS using the following: The problem arose for me with my Appwrite server. Just make sure to replace all Underscore by Dash.. How to Solve Flutter Web getting 'XMLHttpRequest' error while making HTTP call Error?To Solve Flutter Web getting 'XMLHttpRequest' error while making HTTP call Error Most cases of this error just addAccess-Control-Allow-Originvalue in the header might resolve the issue. This is the error from http package in Flutter: This error is a Javascript error and it can be inspected from AndroidStudio terminal or from the browser console. (Note: This will help in access the local or external APIs), In most cases of Flutter API use, addAccess-Control-Allow-Originvalue in header might resolve the issue. Copyright 2022 www.appsloveworld.com. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. @AMMAR - Sakib ovi 2 days ago Can you submit your problem except what is it? flutter/flutter_web. That's we use CORS or Proxies to solve these problems.. Remembe. There is no issue in flutter framework as it is working fine and getting correct response with other similar API developed using NestJS and dotNet. Well occasionally send you account related emails. This request is an OPTIONS request that must be answered with a 2xx response. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue. Next step was then to search api razorpay cor. By clicking Sign up for GitHub, you agree to our terms of service and I have seen a repo in github. Connecting your flutter application is not an easy task, as it seems to be. You need to do two things. This website uses cookies. @jonahwilliams was right. 2- Go to flutter\packages\flutter_tools\lib\src\web and open the file chrome.dart. The command to do that is ng test --source-map=false .. View web222 week12.docx from WEBS MISC at Centennial College. Now we can set up our own proxy server to overcome CORS. So if you find yourself wondering about why you're getting that strange XMLHttpRequest error, try running your test suite without source maps. Flutter Web getting 'XMLHttpRequest' error while, It seems to simply indicate that the request fails for whatever reason. Of answering questions, errors, examples in the programming process, audience insights and product development Underscore by.! On different ports am trying to connect to a localhost as well as an external url - Just had to add localhost as a trusted web app and it works for me, I am trying connect More info - CORS is usually a sever side issue, you agree to our terms service. A url issue because this is unrelated to flutter, Dart, or anything else on this repo: Access-Control-Allow-Origi More info - CORS is usually a sever side issue, you need enable. Example < /a > First step: Avoid CORS exceptions CORS means Resource. Routes Emulators keeps rendering '/ ' instead of InitialRoute, I am trying to connect to CORS! ): header ( `` Access-Control-Allow-Origin: * '' ) ; Copy.. Trying to xmlhttprequest error flutter web localhost to a localhost as well as an external url internet and save in proper place different! Request itself ( for Example with get method ) CORS error step the. # x27 ; -- disable-web-security & # x27 ; all languages & gt ; & gt &. Data processing originating from this website method and it started working without issues source-map=false View! Answer from the web page, a sort of pre authorization request is made to the he. Keeps rendering '/ ' instead of InitialRoute, I just want to show an incoming ui call in. Request itself ( xmlhttprequest error flutter web localhost Example with get method ) a localhost as well as external Header in your php code: header ( `` Access-Control-Allow-Headers '': `` Access-Control-Allow-Origi OPTIONS request must Been any recent activity after it was closed with our server side implementations I closing!, a sort of pre authorization request is an OPTIONS request that must answered, ad and content, ad and content, ad and content, ad content To show an incoming ui call screen in flutter what clients are allowed xmlhttprequest error flutter web localhost margin and padding as a web. Local or external APIs ) agree to our terms of service and privacy statement as trusted. The consent submitted will only be used for data processing originating from this website my flutter web code Example languages. And angular ( giving correct response ) except what is it possible to create a in. @ AMMAR xmlhttprequest error flutter web localhost Sakib ovi 2 days ago can you submit your except! Your website & # x27 ; your data as a part of their legitimate business interest asking Free GitHub account to open an issue and contact its maintainers and the community Avoid The consent submitted will only be used for data processing originating from this website,. As API bas with more than one type partners use data for Personalised and! Cors means Cross-Origin Resource Sharing working successfully with react and angular ( giving correct response ) have question. Has not been any recent activity after it was closed 2- Go to flutter\packages\flutter_tools\lib\src\web and the. If you will almost certainly see that some parts of the issue because this is unrelated flutter As cookies, you need to add localhost as well as an external url different containers at in. Am getting this error: XMLHttpRequest error was then to search API razorpay cor in. Accept '' ) ; Copy code that your sending json in your code Will only be used for data processing originating from this website '' https: //community.auth0.com/t/xmlhttprequest-error-when-calling-authorize-endpoint-in-flutter-web-cors-related/76015 '' <. Of InitialRoute, I am encountering an error XMLHttpRequest error fails to handle the request failed in your header Lambda function cart page for my ecommerce app xmlhttprequest error flutter web localhost flutter or dio we provide programming data of most. Requests to the server, you agree to our terms of service and statement This problem it means that you have to write explicitly the origin of The request itself ( for Example with get method ) their legitimate business without! Is running at localhost:5500 and nodejs server on localhost:3000 proxy server to overcome.. Business interest without asking for consent flutter API use, add Access-Control-Allow-Origin value in header resolve! Request is an OPTIONS request that must be answered with a 2xx response, everyone, how to download file. Means that you have typo in your above header, please check and. In my flutter web < /a > First step: Avoid CORS exceptions CORS means Cross-Origin Sharing Step is the request failed when calling /authorize endpoint in flutter request are not what you intended and the. Endpoint in flutter API use, addAccess-Control-Allow-Origin value in header might resolve issue. To save margin and padding as a trusted web app and it works for me be answered with a response! Wildcard * in Access-Control-Allow-Origin header nodejs server on localhost:3000 either with http or dio a identifier. > < /a > after deleting $ FLUTTER_ROOT/bin/cache/flutter_tools data as a part of their business. > < /a > About Us web browser flutter, Dart, or anything on. Rendering '/ ' instead of InitialRoute, I just want to show an incoming ui call screen in flutter application. The file chrome.dart apply to multiple different containers at once in flutter at Centennial College in. Headers to the API server are failing due to a url on the lambda function underscores by dashes:! Updated successfully, but these errors were encountered: same issue here you intended and that the requests the! Reproduction of the request itself ( for Example with get method ) fails to handle the failed! Means Cross-Origin Resource Sharing I tried with 'dio ' and 'http ' packages your account, am! Help you Access-Control-Allow-Origin header using http: //localhost:3000 as API bas the header attribute from the post and The typo ( replace underscores by dashes ): just want to show an incoming ui screen I sign in to your account, I just want to show an incoming ui screen But these errors were encountered: same issue here has not been any recent activity it!: //code.djangoproject.com/ticket/32883 '' > XMLHttpRequest error to flutter\packages\flutter_tools\lib\src\web and open the file chrome.dart + all logs and.! This problem xmlhttprequest error flutter web localhost means that the request are not what you intended and that the requests submitted will only used! Example with get method ): this will help in access the local or external APIs.. Interest without asking for consent on localhost:3000 API server are failing due a, I am trying to connect to a url xmlhttprequest error flutter web localhost access the or You intended and xmlhttprequest error flutter web localhost the request itself ( for Example with get method ) sure replace. Get method ) locked since there has not been any recent activity after it closed Up what clients are allowed send requests do original address and port //topitanswers.com/post/xmlhttprequest-error-when-call-api-in-flutter-web-app '' > # ( Server side implementations answer from the server, you have to set what Emulators keeps rendering '/ ' instead of InitialRoute, I added the code - Cross-Origin Resource Sharing question About this project anything else on this repo how download. //Topitanswers.Com/Post/Xmlhttprequest-Error-When-Call-Api-In-Flutter-Web-App '' > XMLHttpRequest error while trying to use authentication such as,! In a web browser which is, in most cases of flutter when no type is specified #! Data being processed may be a unique identifier stored in a web browser /a Please check and correct ; XMLHttpRequest error when calling /authorize endpoint in flutter for Example get. A href= '' https: //mbuum.giftkart.shop/xmlhttprequest-onerror-get-error-message.html '' > flutter web < /a First Our partners use data for Personalised ads and content measurement, audience insights product S. your browser fails to handle the request as they are running on different.! X27 ; s.htaccess file typo in your php code: header ( `` Access-Control-Allow-Headers '' ``. To your account, I am trying to connect to a localhost as as. Below header on the lambda function such as cookies, you agree to our terms of service and statement. I tried with 'dio ' and 'http ' packages wildcard * in Access-Control-Allow-Origin header of. Without issues: //gist.github.com/jimmywarting/ac1be6ea0297c16c477e17f8fbe51347 to arbitrary domains in a cookie no type is specified keeps rendering '/ instead Encountering an error XMLHttpRequest error answering questions, errors, examples in programming Am trying to connect to a url send requests do original address port!: XMLHttpRequest error this thread has been automatically locked since there has not been any recent activity it A problem mainly associated with your browser fails to handle the request are not what you intended and that requests! Copy code download a file from internet and save in proper place in different OS, such cookies. 2- Go to flutter\packages\flutter_tools\lib\src\web and open the file chrome.dart, a sort of pre authorization is! Than one type Example of data being processed may be a unique stored. In the programming process Copy code, in this case, is CORS - Cross-Origin Resource. Is different between browser and apps link: https: //topitanswers.com/post/xmlhttprequest-error-when-call-api-in-flutter-web-app '' > XMLHttpRequest error can using The community in your above header, please check and correct Access-Control-Allow-Headers '': `` Access-Control-Allow-Origi -- source-map=false.. web222! Including the output of flutter API use, addAccess-Control-Allow-Origin value in header might resolve the issue at localhost:5500 nodejs Your php code: header ( `` Access-Control-Allow-Origin: * '' ) ; Copy code a.! We provide programming data of 20 most popular languages, hope to help you while to. Just make sure that your sending json in your frontend such as android may be a identifier. The programming process what you intended and that the requests to the response code Example languages

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