POST Multipart Form Data using AFNetworking iOS

1:  NSString *urlString = @"yourUrl";  
2:    NSURL* url = [NSURL URLWithString:urlString];  
3:      
4:    AFHTTPClient *httpClient = [[AFHTTPClient alloc] initWithBaseURL:url];  
5:    NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];  
6:    NSURL *localVideoURL = [NSURL URLWithString:[userDefaults objectForKey:@"videoURL"]];  
7:    NSData *videoData = [NSData dataWithContentsOfURL:localVideoURL];  
8:      
9:    NSMutableURLRequest *request = [httpClient multipartFormRequestWithMethod:@"POST" path:nil parameters:nil constructingBodyWithBlock: ^(id <AFMultipartFormData>formData) {  
10:      [formData appendPartWithFileData:videoData name:@"video_file" fileName:@"testvideo.mov" mimeType:@"video/quicktime"];  
11:      [formData appendPartWithFormData:[[BAUserInfoParser userInfoJson] dataUsingEncoding:NSUTF8StringEncoding] name:@"userInfo"];  
12:      [formData appendPartWithFormData:[[userDefaults objectForKey:@"transactionReceiptData"] dataUsingEncoding:NSUTF8StringEncoding] name:@"transactionData"];  
13:    }];  
14:      
15:    AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];  
16:    [operation setUploadProgressBlock:^(NSUInteger bytesWritten, long long totalBytesWritten, long long totalBytesExpectedToWrite) {  
17:      // NSLog(@"Sent %lld of %lld bytes", totalBytesWritten, totalBytesExpectedToWrite);  
18:      float uploadPercentge = (float)totalBytesWritten / (float)totalBytesExpectedToWrite;  
19:      float uploadActualPercentage = uploadPercentge *100;  
20:      [lblUploadInfoText setText:[NSString stringWithFormat:@"%.2f %%",uploadActualPercentage]];  
21:      if (uploadActualPercentage >= 100) {  
22:        lblStatus.text = @"Waitting for response ...";  
23:      }  
24:      progressBar.progress = uploadPercentge;  
25:    }];  
26:    [httpClient enqueueHTTPRequestOperation:operation];  
27:      
28:    [operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {  
29:  lblStatus.text = @"Upload Complete";  
30:   NSData *JSONData = [operation.responseString dataUsingEncoding:NSUTF8StringEncoding];  
31:      NSDictionary *jsonObject = [NSJSONSerialization JSONObjectWithData:JSONData options:NSJSONReadingMutableContainers error:nil];  
32:      }  
33:      failure:^(AFHTTPRequestOperation *operation, NSError *error) {  
34:        NSLog(@"error: %@", operation.responseString);  
35:        NSLog(@"%@",error);  
36:    }];  
37:    [operation start];  
38:  }  

Swift 2.0

1:  let imageData = UIImageJPEGRepresentation(self.myImage.image, 0.2)  
2:        let manager = AFHTTPRequestOperationManager(baseURL: nil)  
3:        manager.requestSerializer.setValue(self.accessToken, forHTTPHeaderField: "Authorization")  
4:        manager.requestSerializer.setValue("multipart/form-data", forHTTPHeaderField: "Content-Type")  
5:        manager.responseSerializer = AFJSONResponseSerializer()  
6:        let operation = manager.POST(URL.PackageImageUploadURL, parameters: parameters, constructingBodyWithBlock: { formData in  
7:          formData.appendPartWithFileData(  
8:            imageData!,  
9:            name: "image",  
10:            fileName: "image.jpg",  
11:            mimeType: "image/jpeg")  
12:          }, success: { (operation, response) in 

13:                                 print(response)    
15:          }, failure: { (operation, error) in  
16:            // TODO: - Handle error case  
17:            print(error)  
19:        })  
20:        operation?.start()