UISplitViewController default behaviour

[bguidolim]

Is there a way to hide master view when it's in portrait mode, just showing when button item was tapped without changing detail view frame?

Is there a way to show master view when it's in landscape mode without possibilities to hide it?

These two question is about the default behaviour of UISplitViewController.

[bguidolim]

I've used this:

- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration {
    [super willRotateToInterfaceOrientation:toInterfaceOrientation duration:duration];

    if (UIDeviceOrientationIsPortrait(toInterfaceOrientation)) {
        self.bdb_splitViewController.masterViewDisplayStyle = BDBSplitViewControllerMasterDisplayStyleDrawer;
        self.navigationItem.leftBarButtonItem = self.bdb_splitViewController.showHideMasterViewButtonItem;
    } else {
        self.bdb_splitViewController.masterViewDisplayStyle = BDBSplitViewControllerMasterDisplayStyleNormal;
        self.navigationItem.leftBarButtonItem = nil;
    }
}

Is this a best practice?