Upload Multiple Images to Ftp Server in iOS

How to compress multiple images and upload in FTP server from iPhone app?

You should definitly try out this library -> http://code.google.com/p/objective-zip/ . I've had good results zipping up to 3 images. Guess 25 will work as well

EDIT:

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Here's a post of mine which has some sample code wich you can use :)

How can I convert my Zip-file to NSData to email my Zip file as an attachment

How to upload image either .png or .jpg on ftp server in ios.?

Finally i got success to upload image file on ftp server.

To upload image on ftp i used Gold Raccoon external library.with this library you can easily upload image to ftp server.

https://github.com/albertodebortoli/GoldRaccoon

Upload File to FTP Server on iPhone

I use a PHP Page to post a file to and have PHP handle the uploading....

This code is used to upload a photo, but it can be adapted to work with any file.

PHP Code:

<?php
$uploaddir = 'photos/';
$file = basename($_FILES['userfile']['name']);
$uploadfile = $uploaddir . $file;

if (move_uploaded_file($_FILES['userfile']['tmp_name'], $uploadfile)) {
    echo "OK";
} else {
    echo "ERROR";
}

?>

iPhone Code:

- (BOOL)uploadImage:(NSData *)imageData filename:(NSString *)filename{

    NSString *urlString = @"http://www.yourdomainName.com/yourPHPPage.php";

    NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] init] autorelease];
    [request setURL:[NSURL URLWithString:urlString]];
    [request setHTTPMethod:@"POST"];

    NSString *boundary = [NSString stringWithString:@"---------------------------14737809831466499882746641449"];
    NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary];
    [request addValue:contentType forHTTPHeaderField: @"Content-Type"];

    NSMutableData *body = [NSMutableData data];
    [body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [body appendData:[[NSString stringWithString:[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"userfile\"; filename=\"%@\"\r\n",filename]] dataUsingEncoding:NSUTF8StringEncoding]];
    [body appendData:[[NSString stringWithString:@"Content-Type: application/octet-stream\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
    [body appendData:[NSData dataWithData:imageData]];
    [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [request setHTTPBody:body];

    NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
    NSString *returnString = [[[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding] autorelease];

    return ([returnString isEqualToString:@"OK"]);
}

Method Call:

[self uploadImage:UIImageJPEGRepresentation(imageView.image, 1.0) filename:imageName];

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