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iOS Displaying API Data with Collection Views in Objective-C Show Me the Data - API’s, OAuth, and NSURLSession Queues and User Interface

Posted by Jacob Carroll
Jacob Carroll
5,957 Points

Can some help me with this code?

Can some help me with this code challenge what do I need to fix and implement? Having a hard time understand this?

All help would be great, Thanks.

AwesomeViewController.m 
import "AwesomeViewController.h"

@implementation AwesomeViewController

(void)viewDidLoad { [super viewDidLoad];

NSURL *url = [NSURL URLWithString:@"http://blog.teamtreehouse.com/wp-content/themes/treehouse/images/logo-blog2x.png"];

NSURLRequest *request = [[NSURLRequest alloc] initWithURL:url]; NSURLSession *session = [NSURLSession sharedSession];

NSURLSessionDownloadTask *task = [session downloadTaskWithRequest:request completionHandler:^(NSURL *location, NSURLResponse *response, NSError *error) { NSData *data = [[NSData alloc] initWithContentsOfURL:location]; UIImage *image = [[UIImage alloc] initWithData:data];

        dispatch_async(dispatch_get_main_queue(), ^{
    self.imageView.image = image;
});  
}];

[task resume]; }

@end

1 Answer

Melvin Amador
Melvin Amador
5,239 Points
Melvin Amador
Melvin Amador
5,239 Points

Hi Jacob. You're so close. All you need to do is remove the "}" at the end of your [task resume]; It's preventing the compiler from making the method function.