void OnGUI() { // Puts some basic buttons onto the screen. GUI.skin.button.fontSize = (int)(0.05f * Screen.height); Rect requestBannerRect = new Rect(0.1f * Screen.width, 0.05f * Screen.height, 0.8f * Screen.width, 0.1f * Screen.height); if (GUI.Button(requestBannerRect, "Initialize")) { Debug.Log("AdManager initialization"); AdManager.initialize(); AdManager.setInterstitialCallbacks(this); AdManager.setVideoCallbacks(this); } Rect showInterstitialRect = new Rect(0.1f * Screen.width, 0.175f * Screen.height, 0.8f * Screen.width, 0.1f * Screen.height); if (GUI.Button(showInterstitialRect, "Show Interstitial")) { AdManager.showInterstitial(); } Rect showVideoRect = new Rect(0.1f * Screen.width, 0.3f * Screen.height, 0.8f * Screen.width, 0.1f * Screen.height); if (GUI.Button(showVideoRect, "Show Video")) { AdManager.showRewardedVideo(); } }