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Question by $$anonymous$$ · Aug 11, 2018 at 02:54 AM · admobunity ads

interstitial ad script error help need.

so I'm following instructions available on google's website, and this is what I wrote based on examples on that website

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 using GoogleMobileAds.Api;

 public class Advertisement : MonoBehaviour
 {
    
 private void Start ()
 {
     string appId = "xyz";
     MobileAds.Initialize(appId);
 }

 private void RequestInterstitial()
 {
     string adUnitId = "xyz";
     InterstitialAd interstitial = new InterstitialAd(adUnitId);

     AdRequest request = new AdRequest.Builder().Build();
     interstitial.LoadAd(request);
 }

 private void LoadAd()
 {
     if (interstitial.IsLoaded())
     {
         interstitial.Show();
         Debug.Log("interstitial ad shown");
     }
 }

 public void show() //added this function to a button
 {
     LoadAd();
 }

 }

script shows following error

 private void LoadAd()
 {
     if (interstitial.IsLoaded())
     {
         interstitial.Show();
         Debug.Log("interstitial ad shown");
     }
 }

in code above it says interstitial does not exist in current context, so I added

 InterstitialAd interstitial;

on top of the script, then it shows following error 'object reference is not set to an instance'

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Answer by madhav-aspiration · Aug 11, 2018 at 06:41 AM

public class AdsManager : MonoBehaviour { public static AdsManager Instanse;

 public string AndroidInterstitalID;  // use test ad id here
 private InterstitialAd interstitial;

 void Awake()
 {
     if (Instanse == null)
     {
         Instanse = this;
         DontDestroyOnLoad(gameObject);
     }
     else
     {
         Destroy(gameObject);
     }
 }

 void Start()
 {
     RequestInterstitialAds();
 }

 private void RequestInterstitialAds()
 {
     // Initialize an InterstitialAd.
     interstitial = new InterstitialAd(AndroidInterstitalID);
     // Create an empty ad request.
     AdRequest request = new AdRequest.Builder().Build();

     // ads event add here
     interstitial.OnAdOpening += Interstitial_OnAdOpened;
     interstitial.OnAdClosed += Interstitial_OnAdClosed;
     // etc...

     // Load the interstitial with the request.
     interstitial.LoadAd(request);
 }

 private void Interstitial_OnAdOpened(object sender, System.EventArgs e)
 {
     // pause game
     Time.timeScale = 0;
 }

 private void Interstitial_OnAdClosed(object sender, System.EventArgs e)
 {
     // resume game
     Time.timeScale = 1;
     // new request
     RequestInterstitialAds();
 }

 public void ShowInterstialAd(bool value)
 {
     if (interstitial.IsLoaded())
     {
         interstitial.Show();
     }
     else
     {
         RequestInterstitialAds();
     }
 }

}

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