Add includecode snippets for Android adaptive banner getAdSize

PiperOrigin-RevId: 697991795

Author: ericleich

java/admanager/BannerExample/app/src/main/java/com/google/android/gms/example/bannerexample/MyActivity.java

@@ -204,6 +204,7 @@ private void initializeMobileAdsSdk() {
         .start();
   }
 
+  // [START get_ad_size]
   // Get the ad size with screen width.
   public AdSize getAdSize() {
     DisplayMetrics displayMetrics = getResources().getDisplayMetrics();
@@ -218,4 +219,5 @@ public AdSize getAdSize() {
     int adWidth = (int) (adWidthPixels / density);
     return AdSize.getCurrentOrientationAnchoredAdaptiveBannerAdSize(this, adWidth);
   }
+  // [END get_ad_size]
 }

java/admob/BannerExample/app/src/main/java/com/google/android/gms/example/bannerexample/MyActivity.java

@@ -213,6 +213,7 @@ private void initializeMobileAdsSdk() {
 
   // [END request_ads]
 
+  // [START get_ad_size]
   // Get the ad size with screen width.
   public AdSize getAdSize() {
     DisplayMetrics displayMetrics = getResources().getDisplayMetrics();
@@ -227,4 +228,5 @@ public AdSize getAdSize() {
     int adWidth = (int) (adWidthPixels / density);
     return AdSize.getCurrentOrientationAnchoredAdaptiveBannerAdSize(this, adWidth);
   }
+  // [END get_ad_size]
 }

kotlin/admanager/BannerExample/app/src/main/kotlin/com/google/android/gms/example/bannerexample/MyActivity.kt

@@ -45,6 +45,7 @@ class MyActivity : AppCompatActivity() {
   private lateinit var binding: ActivityMyBinding
   private lateinit var googleMobileAdsConsentManager: GoogleMobileAdsConsentManager
 
+  // [START get_ad_size]
   // Get the ad size with screen width.
   private val adSize: AdSize
     get() {
@@ -61,6 +62,8 @@ class MyActivity : AppCompatActivity() {
       return AdSize.getCurrentOrientationAnchoredAdaptiveBannerAdSize(this, adWidth)
     }
 
+  // [END get_ad_size]
+
   override fun onCreate(savedInstanceState: Bundle?) {
     super.onCreate(savedInstanceState)
     binding = ActivityMyBinding.inflate(layoutInflater)

kotlin/admob/BannerExample/app/src/main/java/com/google/android/gms/example/bannerexample/MainActivity.kt

@@ -45,6 +45,7 @@ class MainActivity : AppCompatActivity() {
   private lateinit var binding: ActivityMainBinding
   private lateinit var googleMobileAdsConsentManager: GoogleMobileAdsConsentManager
 
+  // [START get_ad_size]
   // Get the ad size with screen width.
   private val adSize: AdSize
     get() {
@@ -61,6 +62,8 @@ class MainActivity : AppCompatActivity() {
       return AdSize.getCurrentOrientationAnchoredAdaptiveBannerAdSize(this, adWidth)
     }
 
+  // [END get_ad_size]
+
   override fun onCreate(savedInstanceState: Bundle?) {
     super.onCreate(savedInstanceState)
     binding = ActivityMainBinding.inflate(layoutInflater)