debyamitsh

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        MobileAds.initialize(this, "YOUR_ADMOB_APP_ID")
    }
}

debyamitsh

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:ads="http://schemas.android.com/apk/res-auto"
    tools:context=".MainActivity"
    android:orientation="vertical">
    <com.google.android.gms.ads.AdView

debyamitsh

import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import com.google.android.gms.ads.AdRequest
import com.google.android.gms.ads.AdView
import com.google.android.gms.ads.MobileAds


class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {

debyamitsh

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        MobileAds.initialize(this) {}

        val mInterstitialAd = InterstitialAd(this)
        mInterstitialAd.adUnitId = "ca-app-pub-3940256099942544/1033173712"

debyamitsh

mInterstitialAd.loadAd(AdRequest.Builder().build())

debyamitsh

clickButton.setOnClickListener {
            if (mInterstitialAd.isLoaded) {
                mInterstitialAd.show()
            } else {
                Log.d("TAG", "The interstitial wasn't loaded yet.")
            }
        }

debyamitsh

class MainActivity : AppCompatActivity(), RewardedVideoAdListener {
    lateinit var mRewardedVideoAd : RewardedVideoAd
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        MobileAds.initialize (this)

        mRewardedVideoAd = MobileAds.getRewardedVideoAdInstance(this)
        mRewardedVideoAd.rewardedVideoAdListener = this

debyamitsh

class MainActivity : AppCompatActivity(), RewardedVideoAdListener {
    lateinit var mRewardedVideoAd : RewardedVideoAd
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        MobileAds.initialize (this)

        mRewardedVideoAd = MobileAds.getRewardedVideoAdInstance(this)
        mRewardedVideoAd.rewardedVideoAdListener = this

debyamitsh

class MainActivity : AppCompatActivity(), RewardedVideoAdListener {
    lateinit var mRewardedVideoAd : RewardedVideoAd
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        MobileAds.initialize (this)

        mRewardedVideoAd = MobileAds.getRewardedVideoAdInstance(this)
        mRewardedVideoAd.rewardedVideoAdListener = this

debyamitsh

class MainActivity : AppCompatActivity(), RewardedVideoAdListener {
    lateinit var mRewardedVideoAd : RewardedVideoAd
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        MobileAds.initialize (this)

        //using Rewarded ads
        mRewardedVideoAd = MobileAds.getRewardedVideoAdInstance(this)