How to integrate admob banner and interstitial ads in your Unity game ?

This tutorial help you to add admob interstitial and banner ads in your android unity game.

Step 1

Create your apps banner & interstitial ID’s from https://www.admob.com/

Step 2

Download latest unity admob plugin from  https://github.com/googleads/googleads-mobile-unity/releases

Step 3

Open your project in unity and import the admob package into your project

Step 4

Add permission to use internet in your AndroidManifest.xml File by using following line of code.

<!-- Required --><uses-permissionandroid:name="android.permission.INTERNET"/>

Step 5

Now move to your c# file where you want to implement ads

using UnityEngine;
using UnityEngine.UI;
using System.Collections;
using System.Collections.Generic;
using System;
using DG.Tweening;
using UnityEngine.Events;
using UnityEngine.EventSystems;
using GoogleMobileAds.Api;         // add this line to import admob library

public class GameManager : MonobehaviourHelper
{
 InterstitialAd interstitial;
 public int adcount = 1;

 private void RequestBanner()
    {
        #if UNITY_ANDROID
        string adUnitId = "ca-app-pub-39408797879842544/878797897";     // Add your banner ID here
        //#elif UNITY_IPHONE
        //                string adUnitId = "INSERT_IOS_BANNER_AD_UNIT_ID_HERE";
        //#else
        //                string adUnitId = "unexpected_platform";
        #endif

        // Create a 320x50 banner at the top of the screen.
        BannerView bannerView = new BannerView(adUnitId, AdSize.SmartBanner, AdPosition.Bottom);
        // Create an empty ad request.
        AdRequest request = new AdRequest.Builder().Build();
        // Load the banner with the request.
        bannerView.LoadAd(request);
    }

private void RequestInterstitial()
    {
        #if UNITY_ANDROID
        string adUnitId = "ca-app-pub-392245445942544/1055173325";      // Add your interstitial ID here

        #endif

        // Initialize an InterstitialAd.
        interstitial = new InterstitialAd(adUnitId);
        // Create an empty ad request.
        AdRequest request = new AdRequest.Builder().Build();
        // Load the interstitial with the request.
        interstitial.LoadAd(request);



    }

    private void GameOver1()
    {
        if (interstitial.IsLoaded())      // Call this function in the event where you want to display interstitial ads
        {
            interstitial.Show();
          
        }
    }

void Start()
  {

        RequestBanner();
        RequestInterstitial();          // Add these 2 functions for requesting the ads 
        
    }

}