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POError 400 while uploading image from ios
 

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  1. POError 400 while uploading image from ios
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    <p>I am very much new to ios.I have to upload an image to rest server from ios application. I have referred stackoverflow. But everytime the response is 400 which is bad request from client side. I am taking image from device document directory.Could some one post the exact code for image upload.Please refer the code I am using. I am not sure what to use as file name since I am downloading image from documents directory.</p> <pre><code>NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init]; [request setHTTPMethod:@"POST"]; [request setURL:[NSURL URLWithString:@"urltoupload"]]; NSString *stringBoundary = @"----1010101010"; NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",stringBoundary]; [request setValue:contentType forHTTPHeaderField:@"Content-Type"]; NSMutableData *body = [NSMutableData data]; [body appendData:[[NSString stringWithFormat:@"--%@\r\n", stringBoundary] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[[NSString stringWithFormat:@"Content-Disposition:attachment; name=\"userfile\"; filename=\"image.png\"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:pngImageData]; [body appendData:[[NSString stringWithFormat:@"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[[NSString stringWithFormat:@"--%@--\r\n", stringBoundary] dataUsingEncoding:NSUTF8StringEncoding]]; [request setHTTPBody:body]; NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil]; NSString *str = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding]; NSLog(@"return Data ---- %@", str); </code></pre>
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    1. COHave you looked into AFNetworking? https://github.com/AFNetworking/AFNetworking They have a lot of methods that make different Networking requests easy, and I've never had problems downloading or uploading images with it. Worth looking into.
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