DevMountain Lesson 17 (Submodules, AVFoundation, CocoaPods) copy/paste blocks

Lesson17.m

git submodule add https://github.com/AFNetworking/AFNetworking.git External/AFNetworking

NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.timeapi.org/utc/now"]];

AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request]; 
operation.responseSerializer = [AFHTTPResponseSerializer serializer];

[operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, NSData *responseObject) {
	NSString *response = [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding];
	NSLog(@"response: %@", response);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
	NSLog(@"error: %@", error);
}];

[operation start];