How to Implement Admob Ads in Android Studio | Banner and interstitial ads | Google Admob Ads 2023

Hello, and Welcome to the #CodingWithDev​ channel! In this tutorial, We will learn how to integrate AdMob ads into your Android app step by step using a Kotlin.

Here’s the official website for Admob detailed instructions:
https://developers.google.com/admob/android/quick-start

1. Create an AdMob Account:

If you don’t have an AdMob account, sign up at https://apps.admob.com.

2. Create an Ad Unit ID:

After logging in to your AdMob account, create a new Ad Unit ID for each type of ad you want to display (Banner and Interstitial).

3. Integrate Google Play Services:

Ensure that you have Google Play Services integrated into your Android Studio project. You can add it to your app’s build.gradle file:

dependencies {
    implementation 'com.google.android.gms:play-services-ads:20.4.0' // Use the latest version available
}

4. Add Permissions to the AndroidManifest.xml:

Add the required permissions to display ads in your AndroidManifest.xml file:

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

5. Implement Banner Ads:

To display Banner ads in your activity or fragment, you’ll need to add a com.google.android.gms.ads.AdView to your layout XML file:

<com.google.android.gms.ads.AdView
    android:id="@+id/adView"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="bottom"
    ads:adSize="BANNER"
    ads:adUnitId="@string/banner_ad_unit_id" />

Then, in your activity or fragment, load the ad:

AdView adView = findViewById(R.id.adView);
AdRequest adRequest = new AdRequest.Builder().build();
adView.loadAd(adRequest);

Replace @string/banner_ad_unit_id with the actual Ad Unit ID for your Banner ad.

6. Implement Interstitial Ads:

For Interstitial ads, you’ll need to create an com.google.android.gms.ads.InterstitialAd object:

InterstitialAd interstitialAd;

// In onCreate or wherever you initialize your InterstitialAd
interstitialAd = new InterstitialAd(this);
interstitialAd.setAdUnitId(getString(R.string.interstitial_ad_unit_id));
interstitialAd.loadAd(new AdRequest.Builder().build());

To show the Interstitial ad, you’ll typically do this when it’s appropriate, such as after a user completes an action:

if (interstitialAd.isLoaded()) {
    interstitialAd.show();
}

Replace @string/interstitial_ad_unit_id with the actual Ad Unit ID for your Interstitial ad.

7. Test Your Ads:

While testing your app, use test ads to avoid invalid clicks. Add the following code in your AdRequest setup:

AdRequest adRequest = new AdRequest.Builder()
    .addTestDevice(AdRequest.DEVICE_ID_EMULATOR)        // For emulator
    .addTestDevice("YOUR_DEVICE_TEST_ID")              // For your physical device
    .build();

Replace "YOUR_DEVICE_TEST_ID" with your device's test ID. You can find the test ID in the logcat when you run the app with test devices enabled.

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