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PO
 

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    <p>I created a light-weight solution for this. It's called Sequencer and it's up on <a href="https://github.com/berzniz/Sequencer" rel="noreferrer">github</a>.</p> <p>It makes chaining API calls (or any other async code) easy and straightforward.</p> <p>Here's an example of using AFNetworking with it:</p> <pre><code>Sequencer *sequencer = [[Sequencer alloc] init]; [sequencer enqueueStep:^(id result, SequencerCompletion completion) { NSURL *url = [NSURL URLWithString:@"https://alpha-api.app.net/stream/0/posts/stream/global"]; NSURLRequest *request = [NSURLRequest requestWithURL:url]; AFJSONRequestOperation *operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) { completion(JSON); } failure:nil]; [operation start]; }]; [sequencer enqueueStep:^(NSDictionary *feed, SequencerCompletion completion) { NSArray *data = [feed objectForKey:@"data"]; NSDictionary *lastFeedItem = [data lastObject]; NSString *cononicalURL = [lastFeedItem objectForKey:@"canonical_url"]; NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:cononicalURL]]; AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request]; [operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) { completion(responseObject); } failure:nil]; [operation start]; }]; [sequencer enqueueStep:^(NSData *htmlData, SequencerCompletion completion) { NSString *html = [[NSString alloc] initWithData:htmlData encoding:NSUTF8StringEncoding]; NSLog(@"HTML Page: %@", html); completion(nil); }]; [sequencer run]; </code></pre>
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    1. COThat's a nice neat, simple solution. Thanks for sharing.
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    2. COLooks like in the case of an error in step 1 or 2, the rest of the steps won't be executed.
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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