Google AnalyticsをUIViewControllerで使う

UIViewController+Analytics.h

@implementation UIViewController (Analytics)

- (void)startScreen:(NSString*)screenName
{
    // Google Analytics
    id tracker = [[GAI sharedInstance] defaultTracker];
    [tracker set:kGAIScreenName value:screenName];
    [tracker send:[[GAIDictionaryBuilder createAppView] build]];
}

- (void)sendGaiEvent:(NSString *)category action:(NSString *)action label:(NSString *)label value:(NSNumber *)value
{
    id<GAITracker> tracker = [[GAI sharedInstance] defaultTracker];
    [tracker send:[[GAIDictionaryBuilder createEventWithCategory:category
                                                          action:action
                                                           label:label
                                                           value:value] build]];
}

@end