iOS Model View Controller Design Pattern

Question

How do I exactly implement MVC design pattern to my code?

Controller -> Call Rest Service with RestKit.
Bind the JSON to a Object --> Which is A model
Controller display bunch of data based on the model.

Now where do I implement View? Am I missing something?

If you are using UIViewController, that will have a "View" as well as a "Controller". — iDev
– iDev, Commented Mar 7, 2013 at 22:50
A good starting point: developer.apple.com/library/ios/#documentation/general/… — Mike D
– Mike D, Commented Mar 7, 2013 at 23:06

danh · Accepted Answer · 2013-03-07 22:56:39Z

2

Your ViewController should observe changes to the model and update it's view hierarchy, whose root is self.view.

- (void)viewDidLoad {
    [super viewDidLoad];
    // observe the model, via kvo, or subscribe to notification, or make self == somebody's delegate, etc.
}

- (IBAction)doSomething:(id)sender {
    // change the model  [self.model change]
    // or start a web request with self as delegate
}

// called by kvo or delegate or notification or [self modelDidChange];

- (void)modelDidChange {
    // update self.view or children viewWithTag: or outlets setup to subviews
}

answered Mar 7, 2013 at 22:56

danh

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