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I've looked into a good number of articles on how to do a multipart/form-data POST on iOS, but none really explain what to do if there were normal parameters as well as the file upload.I have used the multipart/form-data POST on iOS & I had written the following code and it is uploading data but not image data - (void)postWithImage:(NSDictionary *)dictionary{ NSString *urlString = [NSString stringWithFormat:@"YourHostString"]; NSURL *url = [NSURL URLWithString:urlString]; NSString *boundary = @"----1010101010"; // define content type and add Body Boundry NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary]; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url]; [request setHTTPMethod:@"POST"]; [request addValue:contentType forHTTPHeaderField: @"Content-Type"]; NSMutableData *body = [NSMutableData data]; [body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]]; NSEnumerator *enumerator = [dictionary keyEnumerator]; NSString *key; NSString *value; NSString *content_disposition; while ((key = (NSString *)[enumerator nextObject])) { if ([key isEqualToString:@"file"]) { value = (NSString *)[dictionary objectForKey:key]; NSData *postData = UIImageJPEGRepresentation([UIImage imageNamed:value], 1.0); [body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\";\r\nfilename=\"screen.png\"\r\n\r\n",value] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:postData]; } else { value = (NSString *)[dictionary objectForKey:key]; content_disposition = [NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n", key]; [body appendData:[content_disposition dataUsingEncoding:NSUTF8StringEncoding]]; NSError *error; NSData *jsonData = [NSJSONSerialization dataWithJSONObject:value options:NSJSONWritingPrettyPrinted error:&error]; [body appendData:jsonData]; //[body appendData:[value dataUsingEncoding:NSUTF8StringEncoding]]; } [body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]]; } //Close the request body with Boundry [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]]; [request setHTTPBody:body]; [request addValue:[NSString stringWithFormat:@"%d", body.length] forHTTPHeaderField: @"Content-Length"]; NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil]; NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding]; NSLog(@"%@", returnString);}Can anyone please help me to get why image data is not uploading

We are creating a framework using Xcode and it is working fine with Xcode 12.1 but not working on Xcode 12.2 & above. When the adopter app imports the framework file it shows the below error The compiler that produced it, 'Apple Swift version 5.3 (swiftlang-1200.0.29.2 clang-1200.0.30.1)', may have used features that aren't supported by this compiler, 'Apple Swift version 5.3.1 (swiftlang-1200.0.41 clang-1200.0.32.8)

We are creating a custom framework using CI Jenkins build which is having Xcode 12 and try to import in another project which is using Xcode 11.6 and that shows the above error. I am getting the above error while I am importing the above framework created by Xcode 12 but not working on Xcode 11.6. Please provide the solution.

Module compiled with Swift 5.3 cannot be imported by the Swift 5.2.4 We are creating a custom framework using CI Jenkins build which is having Xcode 12 and try to import in another project which is using Xcode 11.6 and that shows the above error. We have tried "builddistributionflag" - Yes in the custom framework but we having the same error. We are installing our custom framework by using pod into projects.