Upload image from Image Picker to Web server in Stream format - ios

Question

I need to upload the Image into the web server in stream format. Here i used Image Picker to select the images from the gallery.

Answer 1

// add image data
NSData *imageData = UIImageJPEGRepresentation(image, 1.0);
NSString *contentType = [NSString stringWithFormat:#"multipart/form-data; boundary=%#",boundary];
[request addValue:contentType forHTTPHeaderField: #"Content-Type"];
[postData appendData:[[NSString stringWithFormat:#"--%#\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[postData appendData:[[NSString stringWithFormat:#"Content-Disposition: form-data; name=\"%#\"; filename=\"image.jpg\"\r\n", #"file"] dataUsingEncoding:NSUTF8StringEncoding]];
[postData appendData:[#"Content-Type: image/jpeg\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[postData appendData:imageData];
[postData appendData:[[NSString stringWithFormat:#"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[postData appendData:[[NSString stringWithFormat:#"--%#--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];

Answer 2

- (IBAction)selectingPicture
{
if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypePhotoLibrary])
{
UIImagePickerController *picker = [[UIImagePickerController alloc] init];
picker.delegate = self;
picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
[self presentModalViewController:picker animated:YES];
[picker release];
}
else
{
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:#"ALERT_TITLE"
message:#"ALERT_MSG"
delegate:nil
cancelButtonTitle:#"OK"
otherButtonTitles:nil];
[alert show];
[alert release];
}
}
#pragma mark -
- (void) imagePickerController:(UIImagePickerController *)picker
didFinishPickingImage:(UIImage *)image
editingInfo:(NSDictionary *)editingInfo
{
imageData= UIImagePNGRepresentation(image); ////declare as a public variable in iterface
[picker dismissModalViewControllerAnimated:YES];
}
- (void) imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
[picker dismissModalViewControllerAnimated:YES];
}
-(void)WebserviceCallMtd
{
ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:url];
[request addPostValue:#"Martin" forKey:#"names"];
[request addPostValue:#"Newyork" forKey:#"City"];
[request addData:imageData withFileName:#"george.jpg" andContentType:#"image/jpeg" forKey:#"photos"];
}

Answer 3

elow is my code , i am using in my project
- (void)uploadFile:(NSData*)imgData FileName:(NSString*)fileName Path:(NSString*)postPath{
isFileUploading = YES;
if (appDel.isOnline)
{
NSLog(#"file path = %#",postPath);
NSData *_lastImageData = [NSData dataWithData:imgData];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:postPath]];
[request setHTTPMethod:#"POST"];
[request addValue:#"text/plain" forHTTPHeaderField:#"Content-Type"];
[request setValue:[NSString stringWithFormat:#"%lu",(unsigned long)[_lastImageData length]] forHTTPHeaderField:#"Content-Length"];
AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request] ;
operation.inputStream = [NSInputStream inputStreamWithData:_lastImageData];
[operation setUploadProgressBlock:^(NSUInteger bytesWritten, long long totalBytesWritten, long long totalBytesExpectedToWrite) {
if (totalBytesExpectedToWrite > 0) {
float progress = totalBytesWritten*100/totalBytesExpectedToWrite;
NSLog(#"%f",progress);
}
}];
[operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(#"Sent image: ");
[self.delegate uploadCompletedWithStatus:YES];
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(#"Failed to send image");
NSLog(#"Error sending: Code:%li",(long)[error code]);
}];
[operation start];
}
else
{
}
}