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- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

//	this subclass defines itemsSize as {320, 88}
	MyUICollectionViewFlowLayout *l = [[MyUICollectionViewFlowLayout alloc] init];

	//	initialize one subclass of UICollectionViewController
	MainViewController *mvc = [[MainViewController alloc] initWithCollectionViewLayout:l];

	//	initialize another with same layout
	//	but inside this init method do: 

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+ (void)pulseView:(UIView *)view completion:(void (^)(void))block {

	// if you use auto layout, view-based transform go haywire, as they trigger layoutSubviews
	// consequence is that you have no idea where the view will end up on the screen once animation completes
	// see this discussion: http://stackoverflow.com/questions/12943107/how-do-i-adjust-the-anchor-point-of-a-calayer-when-auto-layout-is-being-used

	// thus (per solution 4 from link above), rewriting with CAKeyframeAnimation

	CAKeyframeAnimation *ka = [CAKeyframeAnimation animationWithKeyPath:@"transform"];
	ka.duration = .49;

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//	##	inserting. this can be done in viewDidLoad
//	this can be any view, here I'm adding to main view
UIView *containerView = self.view;
//	load child controller
UIViewController *svc = [[UIViewController alloc] initWithNibName:nil bundle:nil];
//	kill the randomness
svc.view.translatesAutoresizingMaskIntoConstraints = NO;
//	add child VC to hierarchy
[self addChildViewController:svc];
//	set initial rect

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	// hide Legal link in the bottom left corner of Apple maps in iOS 6
	for (UIView *v in [self.map subviews]) {
		NSLog(@"%@", NSStringFromClass([v class]));
		if ([NSStringFromClass([v class]) isEqualToString:@"MKAttributionLabel"]) {
			v.hidden = YES;
		}
	}