where to control view controllers?

i'm working in view-based template, and I have main.m, which I haven't touched. and one view controller which is my current display, and one dummy controller which has nothing.

If I implement the dummy controller, and want to switch between two view controllers, where and how should I do it? I've only worked with subviews, but not qu开发者_StackOverflow中文版ite sure where to touch the view controllers... does it work the same as addView, release as with subviews? Please help me out..

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It depends on how you want you're looking to do. You could present your dummy view controller either modally or non-modally. To do it modally, check out:

- (void)presentModalViewController:(UIViewController *)modalViewController animated:(BOOL)animated

Here is a sample on how you would do something like that:

DummyViewController *dummyController = [[DummyViewController alloc] init];
[self presentModalViewController: dummyController];

You could also do something like:

- (void)presentFlipSideViewController:(UIViewController *)flipsideViewController

You would call these methods when the user did something, such as tap a button. Both of these methods would be implemented in the view controller handling the tap or action, in your case, the project template view controller .