Chèn quảng cáo banner cho Android

+ Build.Gradle :

implementation 'com.google.android.gms:play-services-ads:15.0.0'

+ AndroidManifest :

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

<meta-data    android:name="com.google.android.gms.ads.APPLICATION_ID"    android:value="[ca-app-pub-6969222413270843~1915825861]"/>

+ Layout : 

 <com.google.android.gms.ads.AdView
    xmlns:ads="http://schemas.android.com/apk/res-auto"    android:id="@+id/adView"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_centerHorizontal="true"    android:layout_alignParentBottom="true"    ads:adSize="BANNER"    android:background="@color/colorPrimary"    ads:adUnitId="ca-app-pub-6969222413270843/9657696463">
</com.google.android.gms.ads.AdView>

+ MainActivity : 

private AdView mAdView;

// quang caoMobileAds.initialize(this, "ca-app-pub-6969222413270843~1915825861");
mAdView = findViewById(R.id.adView);
AdRequest adRequest = new AdRequest.Builder().build();
mAdView.loadAd(adRequest);