To integrate Inneractive banner ad's please register first using this link.
Once registered you will be able to create an application id with which you will be able to associate ads with your account.
To initiate the inneractive ads you will need to enter the following line in your application init(Object) or start() method:
From here on you can just use the standard Codename One Ads Component and place it as you wish within the UI or drag it into place within the GUI builder. The Ads Component has multiple properties you can set to indicate your activity but the most important one is the setAppID() attribute (appId in the GUI builder) with which you can determine the application that will receive the payouts for the ads.