dependencies {
implementation 'com.google.android.gms:play-services-ads:20.4.0'
}
import com.google.android.gms.ads.identifier.AdvertisingIdClient;
import com.google.android.gms.common.GooglePlayServicesNotAvailableException;
import com.google.android.gms.common.GooglePlayServicesRepairableException;
import com.google.android.gms.common.GoogleApiAvailability;
...
AdvertisingIdClient.Info adInfo = null;
try {
adInfo = AdvertisingIdClient.getAdvertisingIdInfo(context);
} catch (GooglePlayServicesNotAvailableException e) {
e.printStackTrace();
} catch (GooglePlayServicesRepairableException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
String adId = adInfo.getId();
