How To Integrate Mopub Interstitial Ads Swift

How To Integrate Mopub Interstitial Ads Swift

Before integrating interstitial ads into your app, create an ad account on Mopub’s website and download the SDK using Cocoapod.

pod 'mopub-ios-sdk' # Mopub SDK

For Ad adapters such as Facebook, Admob and Pangle mediation add:

pod 'MoPub-FacebookAudienceNetwork-Adapters' # facebook Mopub adapter
pod 'MoPub-AdMob-Adapters' # Admob Mopub adapters
pod 'MoPub-Pangle-Adapters' # Pangle Mopub adapters

For a full of available adapters, please visit here.

Run pod install in your terminal.

Testing Ads

It’s always advised you use a test ad unit when testing your apps. Testing your app using live ads could lead to your account being terminated or suspended. Mopub’s available test ads:

FormatSizeAd unit ID
Banner320×500ac59b0996d947309c33f59d6676399f
Banner (MRect)300×2502aae44d2ab91424d9850870af33e5af7
Interstitial320×4804f117153f5c24fa6a3a92b818a5eb630
Rewarded Ad320×4808f000bd5e00246de9c789eed39ff6096
Rewarded Playable (MRAID)320×48098c29e015e7346bd9c380b1467b33850
NativeN/A76a3fefaced247959582d2d2df6f4757

Load Ad

The first step in integrating your ad is by initialising it in your App Delegate. To initialise your ads, import Mopub and configure your ad units.

import MoPubSDK // Mopub ad

// Uncomment this line for Adapters
// import MoPub_FacebookAudienceNetwork_Adapters // Facebook adapter
// import MoPub_Pangle_Adapters // Pangle mobile adapters
// import MoPub_AdMob_Adapters // Mopub adapters

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {


func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {

   // Mopub ad network
   let sdkConfig = MPMoPubConfiguration(adUnitIdForAppInitialization: "YOUR_AD_UNIT")
   sdkConfig.loggingLevel = .none
   sdkConfig.allowLegitimateInterest = true

   /* Uncomment this line for Adapters
     let pangleConfig: NSMutableDictionary = [
          "app_id": "YOUR_APP_ID"
     ] 
     let facebookConfig: NSMutableDictionary = [
            "native_banner": "true"
     ]
     let googleConfig: NSMutableDictionary = [
            "native_banner": "true"
     ]
     sdkConfig.additionalNetworks = [PangleAdapterConfiguration.self]
     sdkConfig.additionalNetworks = [AppLovinAdapterConfiguration.self]
     sdkConfig.additionalNetworks = [FacebookAdapterConfiguration.self]
     sdkConfig.additionalNetworks = [GoogleAdMobAdapterConfiguration.self]
     sdkConfig.mediatedNetworkConfigurations = [
          "PangleAdapterConfiguration": pangleConfig,
          "FacebookAdapterConfiguration": facebookConfig,
           "GoogleAdMobAdapterConfiguration": googleConfig
        ]
     */
        
     // Mopub Configuration
     MoPub.sharedInstance().grantConsent()
     MoPub.sharedInstance().allowLegitimateInterest = false
     MoPub.sharedInstance().initializeSdk(with: sdkConfig, completion: nil)
  }
}

Display Ad

The next step is to import the Mopub in your View controller and prepare your ad unit for later use. To do so, prepare the following variables:

import MoPubSDK // Mopub

class ViewController: UIViewController {


// For mobile ads
var interstitial: MPInterstitialAdController!
var adIntersUnit = "YOUR_AD_UNIT"

// To show your ad every 7th time the user views the page
var adState = 7
var adCnt = 0

}

Now it’s time to load your ad. You can load your ad when a user views the view controller for the first time or show it after x number of times. The latter is the best option.

override func viewDidLoad() {
        
   super.viewDidLoad()
   self.becomeFirstResponder()
      
    // Instantiate the interstitial ad.
    self.interstitial = MPInterstitialAdController(forAdUnitId: self.adIntersUnit)
    self.interstitial.delegate = self
        
    // Prepare ad for use later
    self.interstitial.loadAd()
}

To show ads on the nth time (i.e when a user views the view controller every 7th time), put this in your viewDidAppear.

override func viewDidAppear(_ animated: Bool) {
        
     // if the view has appeared  n number of times reference adCnt
     if self.adState % self.adCnt == 0 {
          self.callWhenYouNeedInterstitial()
          self.adState = self.adState + 1
     } else {
          self.adState = self.adState + 1
     }
 }

Now your ad is ready to be shown. A rule of thumb is to check if an ad is present, if not, request an ad to show for next time and continue the cycle.

func callWhenYouNeedInterstitial() {
    // load interstitial ad with desired ad size
    if self.interstitial.ready == true {
        self.interstitial.show(from: self)
        self.interstitial.loadAd()
    } else {
         self.interstitial.loadAd()
       }
 }

That’s it, run your app in Xcode.

Going Live

Once you are ready to go live, change your app unit to the one you’ve created on Mopub.

To monitor your app’s monetisation, set targets and much more download our Motics app.

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