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SDK Initialization

The latest version of the Nielsen App SDK allows instantiating multiple instances of the SDK object, which can be used simultaneously without any issue. The sharedInstance API that creates a singleton object was deprecated prior to version 5.1.1. (Click here for an example of multiple instances)

The following table contains the list of arguments that can be passed via the AppInfo JSON schema.

Parameter / Argument Description Source Required? Example
appid Unique Nielsen ID for the application. The ID is a GUID data type. If you did not receive your App ID, let us know and we will provide you. Nielsen-specified Yes PXXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
nol_devDebug Enables Nielsen console logging. Only required for testing
Nielsen-specified Optional DEBUG

Debug flag for development environment

Player application developers / integrators can use Debug flag to check whether an App SDK API call made is successful. To activate the Debug flag, Pass the argument @"nol_devDebug":@"INFO", in the JSON string . The permitted values are:

  • INFO: Displays the API calls and the input data from the application (validate player name, app ID, etc.). It can be used as certification Aid.
  • WARN: Indicates potential integration / configuration errors or SDK issues.
  • ERROR: Indicates important integration errors or non-recoverable SDK issues.
  • DEBUG: Debug logs, used by the developers to debug more complex issues.

Once the flag is active, it logs each API call made and the data passed. The log created by this flag is minimal.

Note: DO NOT activate the Debug flag in a production environment.

Swift Example

Sample SDK Initialization Code

NielsenInit.swift

class NielsenInit: NSObject {
    class func createNielsenAppApi(delegate: NielsenAppApiDelegate) -> NielsenAppApi?{
    let appInformation:[String: String] = [
           "appid": "PE392366B-F2C1-4BC4-AB62-A7DAFDCXXXX",
           "nol_devDebug": "DEBUG"
        ]
        return NielsenAppApi(appInfo:appInformation, delegate:delegate)}}


ViewController.swift

class ViewController: UIViewController, NielsenAppApiDelegate, AVPictureInPictureControllerDelegate, CLLocationManagerDelegate  {

    let avPlayerViewController = AVPlayerViewController()
    var avPlayer:AVPlayer?
    var nielsenAppApi: NielsenAppApi!

  override func viewDidLoad() {
        super.viewDidLoad()
        self.nielsenAppApi = NielsenInit.createNielsenAppApi(delegate: self)
        NSLog("Nielsen SDK initialized")
}}

Objective C

Sample SDK Initialization Code

Initialize the Nielsen App object within the viewDidLoad view controller delegate method using initWithAppInfo:delegate:

If App SDK is initialized using init or new methods, it will ignore the API calls resulting in no measurement. The SDK will not return any errors.

#import "NlsAppApiFactory.h"
#import <NielsenAppApi/NielsenAppApi.h>

@implementation NlsAppApiFactory
+ (NielsenAppApi *)createNielsenAppApiWithDelegate:(id<NielsenAppApiDelegate>)delegate;
{
    NSDictionary *appInformation = @{
                                     @"appid": "PE392366B-F2C1-4BC4-AB62-A7DAFDC51XXX",
                                     @"nol_devDebug": @"DEBUG"
                                     };
    return [[NielsenAppApi alloc] initWithAppInfo:appInformation delegate:delegate];
}
@end


The following would be the NlsAppApiFactory.h file:

#import <Foundation/Foundation.h>

@class NielsenAppApi;
@protocol NielsenAppApiDeligate;
@interface NlsAppApiFactory : NSObject
+ (NielsenAppAPI *) createNielsenAppApiWithDelegate:(id<NielsenAppApiDelegate>)delegate;
@end
}}


The following might be in the Viewcontroller.m

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    //Setting background image
    UIImage *backgroundImage = [UIImage imageNamed:@"new_ios_bg.png"];
    UIImageView *backgroundImageView=[[UIImageView alloc]initWithFrame:self.view.frame];
    backgroundImageView.image=backgroundImage;
    [self.view insertSubview:backgroundImageView atIndex:0];
    
    //Mark: In NielsenInit class we are initialising the Nielsen SDK.
    
    //Getting the instance of Nielsen SDK
    nielsenApi = [NielsenInit createNielsenAppApiWithDelegate:nil];
}