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Questions tagged [flutter-http]

241 questions
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Flutter RSS Feed XML Request Issue

Can anyone please advise what is going wrong? As far as I can this code is correct but I can't understand where i'm getting this XMLHttpRequest error in bash. I originally followed this - https://www.youtube.com/watch?v=F0xh7LMr_V0 and I have also…
Bridget Sarah
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How to sent image in 'application/octet-stream' content type to Azure Cognitive Services in flutter

Hi I'am trying to sent a local image using application/octet-stream' content type to Azure Cognitive Services from flutter. I have follow the following but it seem to be missing the example. The only example is for 'application/json' Future…
Azri
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Flutter http.get not getting body data

I am trying to get the data from my json feed which is this Json But when I try to use the body result it is not working ( but it works with other jsons like this one https://jsonplaceholder.typicode.com/users), my code looks like this: import…
Alfonso Mora De la Calle
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Showing progress bar until image loads. Flutter

I want to make a register screen with captcha and the api I am using is sending the raw image bytes and in header a secret value to validate the captcha. I want to take the bytes from http.get and show them to image.memory in my register screen and…
user14662023
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Flutter web Http post request not working using http package

Making http post request fails on flutter web. I am using http package for making request here is my code: http.post( 'http://x.x.x.x:5000', headers: { "Access-Control-Allow-Origin": "*", // Required for CORS…
Mateen Kiani
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Why I'm Getting this error while Using Flutter Post Method

I'm trying to create a login system Using Post Method But I'm getting Error I tested it with postman using it works like a charm. I Tried Other Things but can't be able to solve this error. if someone here can solve my problem it would be…
user14581222
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How do i create event listener for Json object in Flutter gridview

i would like to know how i can listen to json objects in my gridview so that i can use them for navigation logic.Forexample picking a category id of a gridview item and using it to display it's respective data or items in the next page.
mark nestor
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Flutter: jsonEncode for a List

I am trying to jsonEncode a list in Flutter. List _list = ["name1", "name2"] Things I tried: jsonEncode(_list); jsonEncode(_list.map((e) => e.toString()).toList()); This gives me a Json String however the data I get…
Ali Solanki
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Sending http patch request with list of maps in flutter

I have a class StyleItem, which looks like following: class StyleItem { String id; double dx; double dy; double scale; double rotation; StyleItem({this.id, this.dx, this.dy, this.scale, this.rotation}); Map toJson() { return { …
Kartik Pant
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Auto update flutter application with membership details

I am new to mobile development. I am developing a flutter application which has a web version. Users have memberships in that application. When ever a user cancels or activates a membership through web, I want that information to be updated in…
imacoder
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Unhandled Exception: type 'List' is not a subtype of type 'List'

I'm struggling to see how these type errors could be resolved in Flutter. I am making an HTTP request to a server which responds with the following JSON: { "message": "The given data was invalid.", "errors": { "email": ["Email is required"] …
Stephan-v
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Best practice to do an http request to receive JSON and display it within a list view in flutter

I am working on network requests within flutter using the flutter http package. So far I have a welcome screen and a network helper. The welcome screen has a scaffold with a list view and a bottom bar. The list view will show text and an image per…
user2684521
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Flutter http exception not throw on another try catch block

I get into this weird exception which keeps on coming and freezing my app. I am try to handle SocketException and TimeOutException in http package with provider package. class Auth with ChangeNotifier{ .......... Future getUser(String id)…
Nikhil kumar
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http Dart package examples are outdated, how to use client.get()

Here's the second example given by the http package: https://pub.dev/packages/http var client = http.Client(); try { var uriResponse = await client.post('https://example.com/whatsit/create', body: {'name': 'doodle', 'color': 'blue'}); …
Shayan
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Bringing SSL certificate bye[] array from jni to flutter

I'm performing certificate pinning in flutter by securely storing the certificate in JNI and fetching it during run time. But I get BAD_PKCS12_DATA(pkcs8_x509.c:626), errno = 0) when I fetch the data from JNI. The pinning works if I set it directly…
Vijai
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