Custom size for Modal View loaded with Form Sheet presentation

Solution 1:

For iOS 8, use:

self.preferredContentSize = CGSizeMake(width, height);

I've placed this in viewDidLoad.

Swift 3

self.preferredContentSize = CGSize(width: 100, height: 100)

Solution 2:

In Attributes inspector check Use Preferred Explicit Size

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Solution 3:

Setting preferredContentSize didn't work for me on iOS 11 for example when presenting EKEventEditViewController.

It works only if I override getter of preferredContentSize. Something like this:

private class CLEventEditViewController: EKEventEditViewController {
    override var preferredContentSize: CGSize {
        get {
            if let fullSize = self.presentingViewController?.view.bounds.size {
                return CGSize(width: fullSize.width * 0.5,
                              height: fullSize.height * 0.75)
            }
            return super.preferredContentSize
        }
        set {
            super.preferredContentSize = newValue
        }
    }
}

enter image description here

Solution 4:

EDIT

Use preferredContentSize.

Old

You can try this for show view in center

HelpViewController * viewController = [[[HelpViewController alloc] init] autorelease];
viewController.modalPresentationStyle=UIModalPresentationFormSheet;
viewController.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
[self presentViewController:viewController animated:YES completion:^{
    viewController.view.superview.frame = CGRectMake(0, 0, 200, 200);
    viewController.view.superview.center = self.view.center;
}];