Add isAdAvailable and pollAd methods to the Interstitial, UnityRe…

…wardedAd and UnityAppOpenAd classes in android library.

PiperOrigin-RevId: 683818191

source/android-library/app/src/main/java/com/google/unity/ads/Interstitial.java

@@ -42,15 +42,11 @@ public class Interstitial {
    */
   private InterstitialAd interstitialAd;
 
-  /**
-   * The {@code Activity} on which the interstitial will display.
-   */
-  private Activity activity;
+  /** The {@code Activity} on which the interstitial will display. */
+  private final Activity activity;
 
-  /**
-   * A listener implemented in Unity via {@code AndroidJavaProxy} to receive ad events.
-   */
-  private UnityInterstitialAdCallback callback;
+  /** A listener implemented in Unity via {@code AndroidJavaProxy} to receive ad events. */
+  private final UnityInterstitialAdCallback callback;
 
   public Interstitial(Activity activity, UnityInterstitialAdCallback callback) {
     this.activity = activity;
@@ -197,6 +193,19 @@ public void run() {
     });
   }
 
+  /** Returns {@code true} if there is an interstitial ad available in the pre-load queue. */
+  public boolean isAdAvailable(@NonNull String adUnitId) {
+    return InterstitialAd.isAdAvailable(activity, adUnitId);
+  }
+
+  /**
+   * Retrieves the next interstitial ad available in pre-load queue, or {@code null} if no ad is
+   * available.
+   */
+  public void pollAd(@NonNull String adUnitId) {
+    interstitialAd = InterstitialAd.pollAd(activity, adUnitId);
+  }
+
   /** Returns the {@link InterstitialAd} ad unit ID. */
   @Nullable
   public String getAdUnitId() {

source/android-library/app/src/main/java/com/google/unity/ads/UnityAppOpenAd.java

@@ -159,6 +159,19 @@ public void onAdFailedToLoad(@NonNull final LoadAdError error) {
                 }));
   }
 
+  /**
+   * Retrieves the next app open ad available in Preload queue, or {@code null} if no ad is
+   * available.
+   */
+  public void pollAd(@NonNull String adUnitId) {
+    appOpenAd = AppOpenAd.pollAd(activity, adUnitId);
+  }
+
+  /** Returns {@code true} if there is an interstitial ad available in the pre-load queue. */
+  public boolean isAdAvailable(@NonNull String adUnitId) {
+    return AppOpenAd.isAdAvailable(activity, adUnitId);
+  }
+
   public void show() {
     if (appOpenAd == null) {
       Log.e(PluginUtils.LOGTAG, "Tried to show app open ad before it was ready. This should "

source/android-library/app/src/main/java/com/google/unity/ads/UnityRewardedAd.java

@@ -30,17 +30,14 @@ public class UnityRewardedAd {
    */
   private RewardedAd rewardedAd;
 
-  /**
-   * The {@code Activity} on which the rewarded ad will display.
-   */
-  private Activity activity;
+  /** The {@code Activity} on which the rewarded ad will display. */
+  private final Activity activity;
 
   /**
    * A callback implemented in Unity via {@code AndroidJavaProxy} to receive ad events.
    */
   private UnityRewardedAdCallback callback;
 
-
   public UnityRewardedAd(Activity activity, UnityRewardedAdCallback callback) {
     this.activity = activity;
     this.callback = callback;
@@ -178,6 +175,18 @@ public void run() {
         });
   }
 
+  /**
+   * Retrieves the next rewarded ad available in Preload queue, or {@code null} if no ad is
+   * available.
+   */
+  public void pollAd(@NonNull String adUnitId) {
+    rewardedAd = RewardedAd.pollAd(activity, adUnitId);
+  }
+
+  /** Returns {@code true} if there is an interstitial ad available in the pre-load queue. */
+  public boolean isAdAvailable(@NonNull String adUnitId) {
+    return RewardedAd.isAdAvailable(activity, adUnitId);
+  }
 
   /**
    * Shows the rewarded ad if it has loaded.