I am trying to change my code from ASIHTTPRequest to AFNetworking. Currently I want to select 10-15 different HTTP URLs (files) and download them to a documents folder.
With ASIHTTPRequest that was pretty easy with
[myQueue setDownloadProgressDelegate:myUIProgressView];
In AFNetworking I can't figure out how to do it. I have the following code which downloads the files, stores them and notifies when a file downloads successfully, but I can't create the progress bar for this queue with total size.
for (i=0; i<3; i++) {
NSString *urlpath = [NSString stringWithFormat:@"http://www.domain.com/file.zip"];
NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:urlpath]];
AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *path = [[paths objectAtIndex:0] stringByAppendingPathComponent:[NSString stringWithFormat:@"testFile%i.zip",i]];
operation.outputStream = [NSOutputStream outputStreamToFileAtPath:path append:NO];
[operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(@"Successfully downloaded file to %@", path);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"Error: %@", error);
}];
[operation setDownloadProgressBlock:^(NSInteger bytesWritten, NSInteger totalBytesWritten, NSInteger totalBytesExpectedToWrite) {
NSLog(@"Sent %d of %d bytes, %@", totalBytesWritten, totalBytesExpectedToWrite, path);
}];
[myQueue addOperation:operation];
}
Imagine downloading 200+ files this way by assuming a file size of 1 MB each. What happens when you create such a bunch of requests (with a default timeout of 30s)? Right after 30 seconds you will be bombed by timeout errors.
Just sayin' Martin
I think you will have to create your own UIProgressView, which I will call progressView for the example.
Then just update the progress bar: