Import the Google Analytics Library in your App

AppDelegate.h File

#import <UIKit/UIKit.h>

#import "GAI.h"

@interface AppDelegate : UIResponder <UIApplicationDelegate>

{

}

@property (strong, nonatomic) UIWindow *window;

@property(nonatomic, strong) id<GAITracker> tracker;

@end

AppDelegate.m File

#import "AppDelegate.h"

//Set your tracking ID here

static NSString *const kTrackingId = @"UA-XXXXXXXX-X”;

static NSString *const kAllowTracking = @"allowTracking";

@implementation AppDelegate

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

{

    NSDictionary *appDefaults = @{kAllowTracking: @(YES)};

    [[NSUserDefaults standardUserDefaults] registerDefaults:appDefaults];

    // User must be able to opt out of tracking

    [GAI sharedInstance].optOut =

    ![[NSUserDefaults standardUserDefaults] boolForKey:kAllowTracking];

    // Initialise Google Analytics with a 120-second dispatch interval. There is a

    // tradeoff between battery usage and timely dispatch.

    [GAI sharedInstance].dispatchInterval = 120;

    [GAI sharedInstance].trackUncaughtExceptions = YES;

    self.tracker = [[GAI sharedInstance] trackerWithName:@"AppName"

                                              trackingId:kTrackingId];

    return YES;

}

- (void)applicationDidBecomeActive:(UIApplication *)application

{

    [GAI sharedInstance].optOut = ![[NSUserDefaults standardUserDefaults] boolForKey:kAllowTracking];

}

ViewController.h File

#import <UIKit/UIKit.h>

#import "AppDelegate.h"

@interface ViewController : GAITrackedViewController

{

    AppDelegate *appDelegate;

}

@end

ViewController.m File

#import "ViewController.h"

#import "GAI.h"

#import "GAIDictionaryBuilder.h"

@interface ViewController ()

@end

@implementation ViewController

//Track the Pages

- (void)viewDidLoad

{

    appDelegate=(AppDelegate*)[[UIApplication sharedApplication]delegate];

    self.screenName = @“Home Screen";

}

/**** or ****/

-(void)viewWillAppear:(BOOL)animated

{

    appDelegate=(AppDelegate*)[[UIApplication sharedApplication]delegate];

    self.screenName = @“Home Screen";

}

//Track the Button Click Event

- (IBAction)loginButtonClicked:(id)sender

{

NSMutableDictionary *event =

                [[GAIDictionaryBuilder createEventWithCategory:@"Login Submit"

                                                        action:@"Success"

                                                         label:nil

                                                         value:nil] build];

                [[GAI sharedInstance].defaultTracker send:event];

                [[GAI sharedInstance] dispatch];

}