gistfile1.m

// In the class continuation or private category
{
    UIView *_portraitView;
    UIView *_landscapeView;
}
@property (nonatomic, readonly) UIView *portraitView;
@property (nonatomic, readonly) UIView *landscapeView;

- (UIView *)subViewForOritentation:(UIInterfaceOrientation)orientation;

//In the main @implementation

- (UIView *)subViewForOritentation:(UIInterfaceOrientation)orientation
{
    return (orientation == UIInterfaceOrientationPortrait ? self.portraitView : self.landscapeView);
}

- (UIView *)portraitView
{
    if (_portraitView == nil) {
         _portraitView = [[UIView alloc] init];
        //Any setup could go here or a common method if it can be abstracted
    }
    
    return _portraitView;
}

- (UIView *)landscapeView
{
    if (_landscapeView == nil) {
        _landscapeView = [[UIView alloc] init];
        //Any setup could go here or a common method if it can be abstracted
    }
    
    return _landscapeView;
}

- (void)performLayout
{
    [super performLayout];
    
    myScrubView.frame = self.bounds;
    
    UIInterfaceOrientation orientation = [[UIApplication sharedApplication] statusBarOrientation];
    UIView *subview = [self subViewForOritentation:orientation];
    subview.alpha = 1.0;
    [[[myScrubView subviews] lastObject] removeFromSuperView];
    [myScrubView addSubView:subview];
    subview.frame = myScrubView.bounds;
    [self reloadData];
}