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copied!<p>check out my blog it will surely help you. here is the link.</p> <p><a href="http://blog.paxcel.net/blog/expandablecollapsible-table-for-ios/" rel="nofollow">Expandable/Collapsible Table For iOS</a></p> <p>you need to do the following things</p> <ol> <li>First design your classes according to your json file as in my case it is "Category".</li> <li>Once you are done with model classes you need to edit the following method to prepare array of model objects. </li> </ol> <blockquote> <p>Hint: From json, we can directly find out our dictionary like</p> </blockquote> <pre><code>id result = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:&error]; </code></pre> <p>where result can further casted to get the dictinary object. And the load data simply like the following method</p> <pre><code> - (void) setCategoryArray { NSURL *url = [[NSBundle mainBundle] URLForResource:@”CategoryList” withExtension:@”plist”]; NSArray *mainArray = [[NSArray alloc] initWithContentsOfURL:url]; NSMutableArray *categoryArray = [[NSMutableArray alloc] initWithCapacity:[mainArray count]]; for (NSDictionary *dictionary in mainArray) { Category *category = [[Category alloc] init]; category.name = [dictionary objectForKey:@"name"]; category.list = [dictionary objectForKey:@"list"]; [categoryArray addObject:category]; } self.categoryList = categoryArray; } </code></pre> <ol> <li>Once this done, the only thing left to edit the table view's data source and delegate methods accordingly.</li> </ol>

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