Centralize Mobile Ads initialization with AdUtils

app/src/main/java/com/d4rk/androidtutorials/java/ads/AdUtils.java

@@ -0,0 +1,34 @@
+package com.d4rk.androidtutorials.java.ads;
+
+import android.content.Context;
+import android.view.View;
+
+import com.d4rk.androidtutorials.java.ads.views.NativeAdBannerView;
+import com.google.android.gms.ads.AdRequest;
+import com.google.android.gms.ads.AdView;
+import com.google.android.gms.ads.MobileAds;
+
+public final class AdUtils {
+    private static boolean initialized = false;
+
+    private AdUtils() {
+        // no-op
+    }
+
+    public static synchronized void initialize(Context context) {
+        if (!initialized) {
+            MobileAds.initialize(context.getApplicationContext());
+            initialized = true;
+        }
+    }
+
+    public static void loadBanner(View adView) {
+        if (adView instanceof AdView view) {
+            initialize(view.getContext());
+            view.loadAd(new AdRequest.Builder().build());
+        } else if (adView instanceof NativeAdBannerView nativeView) {
+            initialize(nativeView.getContext());
+            nativeView.loadAd();
+        }
+    }
+}

app/src/main/java/com/d4rk/androidtutorials/java/ads/managers/AppOpenAd.java

@@ -18,7 +18,7 @@
 import com.google.android.gms.ads.AdRequest;
 import com.google.android.gms.ads.FullScreenContentCallback;
 import com.google.android.gms.ads.LoadAdError;
-import com.google.android.gms.ads.MobileAds;
+import com.d4rk.androidtutorials.java.ads.AdUtils;
 import com.google.android.gms.ads.appopen.AppOpenAd.AppOpenAdLoadCallback;
 
 import java.util.Date;
@@ -35,10 +35,7 @@ public class AppOpenAd extends Application implements ActivityLifecycleCallbacks
     public void onCreate() {
         super.onCreate();
         registerActivityLifecycleCallbacks(this);
-        MobileAds.initialize(
-                this,
-                initializationStatus -> {
-                });
+        AdUtils.initialize(this);
         CookieManager.getInstance();
         ProcessLifecycleOwner.get().getLifecycle().addObserver(this);
         appOpenAdManager = new AppOpenAdManager(this);

app/src/main/java/com/d4rk/androidtutorials/java/data/repository/DefaultSupportRepository.java

@@ -12,7 +12,7 @@
 import com.android.billingclient.api.ProductDetails;
 import com.android.billingclient.api.QueryProductDetailsParams;
 import com.google.android.gms.ads.AdRequest;
-import com.google.android.gms.ads.MobileAds;
+import com.d4rk.androidtutorials.java.ads.AdUtils;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -150,7 +150,7 @@ public BillingFlowLauncher initiatePurchase(String productId) {
      * can be done here if needed for the support screen).
      */
     public AdRequest initMobileAds() {
-        MobileAds.initialize(context);
+        AdUtils.initialize(context);
         return new AdRequest.Builder().build();
     }
 

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/about/AboutFragment.java

@@ -18,8 +18,7 @@
 import com.d4rk.androidtutorials.java.R;
 import com.d4rk.androidtutorials.java.databinding.FragmentAboutBinding;
 import com.d4rk.androidtutorials.java.utils.ConsentUtils;
-import com.google.android.gms.ads.AdRequest;
-import com.google.android.gms.ads.MobileAds;
+import com.d4rk.androidtutorials.java.ads.AdUtils;
 
 import dagger.hilt.android.AndroidEntryPoint;
 import me.zhanghai.android.fastscroll.FastScrollerBuilder;
@@ -42,9 +41,8 @@ public android.view.View onCreateView(@NonNull android.view.LayoutInflater infla
         new FastScrollerBuilder(binding.scrollView).useMd2Style().build();
 
         if (ConsentUtils.canShowAds(requireContext())) {
-            MobileAds.initialize(requireContext());
             binding.adView.setVisibility(android.view.View.VISIBLE);
-            binding.adView.loadAd(new AdRequest.Builder().build());
+            AdUtils.loadBanner(binding.adView);
         } else {
             binding.adView.setVisibility(android.view.View.GONE);
         }

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/android/AndroidStudioFragment.java

@@ -34,7 +34,7 @@
 import com.d4rk.androidtutorials.java.databinding.ItemAndroidStudioLessonBinding;
 import com.google.android.gms.ads.AdListener;
 import com.google.android.gms.ads.LoadAdError;
-import com.google.android.gms.ads.MobileAds;
+import com.d4rk.androidtutorials.java.ads.AdUtils;
 import com.google.android.material.card.MaterialCardView;
 import com.google.android.material.textview.MaterialTextView;
 import com.google.android.material.shape.CornerFamily;
@@ -138,7 +138,7 @@ public void onDestroyView() {
 
     private void ensureMobileAdsInitialized() {
         if (!mobileAdsInitialized) {
-            MobileAds.initialize(requireContext());
+            AdUtils.initialize(requireContext());
             mobileAdsInitialized = true;
         }
     }

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/android/lessons/basics/history/AndroidHistory.java

@@ -5,8 +5,7 @@
 import com.d4rk.androidtutorials.java.databinding.ActivityAndroidHistoryBinding;
 import com.d4rk.androidtutorials.java.ui.components.navigation.UpNavigationActivity;
 import com.d4rk.androidtutorials.java.utils.EdgeToEdgeDelegate;
-import com.google.android.gms.ads.AdRequest;
-import com.google.android.gms.ads.MobileAds;
+import com.d4rk.androidtutorials.java.ads.AdUtils;
 
 import me.zhanghai.android.fastscroll.FastScrollerBuilder;
 
@@ -16,12 +15,10 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         ActivityAndroidHistoryBinding binding = ActivityAndroidHistoryBinding.inflate(getLayoutInflater());
         setContentView(binding.getRoot());
-        MobileAds.initialize(this);
-
         EdgeToEdgeDelegate.apply(this, binding.scrollView);
 
-        binding.adView.loadAd(new AdRequest.Builder().build());
-        binding.adViewBottom.loadAd(new AdRequest.Builder().build());
+        AdUtils.loadBanner(binding.adView);
+        AdUtils.loadBanner(binding.adViewBottom);
         new FastScrollerBuilder(binding.scrollView).useMd2Style().build();
     }
 }

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/android/lessons/basics/permissions/PermissionsTutorialActivity.java

@@ -7,8 +7,7 @@
 import com.d4rk.androidtutorials.java.databinding.ActivityPermissionsTutorialBinding;
 import com.d4rk.androidtutorials.java.ui.components.navigation.UpNavigationActivity;
 import com.d4rk.androidtutorials.java.utils.EdgeToEdgeDelegate;
-import com.google.android.gms.ads.AdRequest;
-import com.google.android.gms.ads.MobileAds;
+import com.d4rk.androidtutorials.java.ads.AdUtils;
 
 import me.zhanghai.android.fastscroll.FastScrollerBuilder;
 
@@ -18,12 +17,10 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         com.d4rk.androidtutorials.java.databinding.ActivityPermissionsTutorialBinding binding = ActivityPermissionsTutorialBinding.inflate(getLayoutInflater());
         setContentView(binding.getRoot());
-        MobileAds.initialize(this);
-
         EdgeToEdgeDelegate.apply(this, binding.scrollView);
 
-        binding.adViewBottom.loadAd(new AdRequest.Builder().build());
-        binding.adViewLarge.loadAd(new AdRequest.Builder().build());
+        AdUtils.loadBanner(binding.adViewBottom);
+        AdUtils.loadBanner(binding.adViewLarge);
         new FastScrollerBuilder(binding.scrollView).useMd2Style().build();
         binding.buttonMore.setOnClickListener(v -> startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("https://developer.android.com/guide/topics/permissions/overview"))));
     }

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/android/lessons/basics/sdk/AndroidSDK.java

@@ -12,8 +12,7 @@
 import com.d4rk.androidtutorials.java.databinding.ActivityAndroidSdkBinding;
 import com.d4rk.androidtutorials.java.ui.components.navigation.UpNavigationActivity;
 import com.d4rk.androidtutorials.java.utils.EdgeToEdgeDelegate;
-import com.google.android.gms.ads.AdRequest;
-import com.google.android.gms.ads.MobileAds;
+import com.d4rk.androidtutorials.java.ads.AdUtils;
 
 import java.util.Arrays;
 import java.util.List;
@@ -65,13 +64,10 @@ public class AndroidSDK extends UpNavigationActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         binding = ActivityAndroidSdkBinding.inflate(getLayoutInflater());
-        setContentView(binding.getRoot());
+        setContentView(binding.getRoot());        EdgeToEdgeDelegate.apply(this, binding.scrollView);
 
-        MobileAds.initialize(this);
-        EdgeToEdgeDelegate.apply(this, binding.scrollView);
-
-        binding.adViewBottom.loadAd(new AdRequest.Builder().build());
-        binding.adView.loadAd(new AdRequest.Builder().build());
+        AdUtils.loadBanner(binding.adViewBottom);
+        AdUtils.loadBanner(binding.adView);
         new FastScrollerBuilder(binding.scrollView).useMd2Style().build();
 
         createDynamicTable();

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/android/lessons/basics/shortcuts/ShortcutsActivity.java

@@ -11,8 +11,7 @@
 import com.d4rk.androidtutorials.java.databinding.ActivityShortcutsBinding;
 import com.d4rk.androidtutorials.java.ui.components.navigation.UpNavigationActivity;
 import com.d4rk.androidtutorials.java.utils.EdgeToEdgeDelegate;
-import com.google.android.gms.ads.AdRequest;
-import com.google.android.gms.ads.MobileAds;
+import com.d4rk.androidtutorials.java.ads.AdUtils;
 
 public class ShortcutsActivity extends UpNavigationActivity {
     @Override
@@ -21,10 +20,7 @@ protected void onCreate(Bundle savedInstanceState) {
         ActivityShortcutsBinding binding = ActivityShortcutsBinding.inflate(getLayoutInflater());
         setContentView(binding.getRoot());
 
-        EdgeToEdgeDelegate.apply(this, binding.container);
-
-        MobileAds.initialize(this);
-        binding.adViewBottom.loadAd(new AdRequest.Builder().build());
+        EdgeToEdgeDelegate.apply(this, binding.container);        AdUtils.loadBanner(binding.adViewBottom);
 
         getSupportFragmentManager().beginTransaction().replace(R.id.frame_layout_shortcuts, new SettingsFragment()).commit();
         ActionBar supportActionBar = getSupportActionBar();

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/android/lessons/basics/shortcuts/tabs/BuildShortcutsActivity.java

@@ -5,8 +5,7 @@
 import com.d4rk.androidtutorials.java.databinding.ActivityShortcutsBuildBinding;
 import com.d4rk.androidtutorials.java.ui.components.navigation.UpNavigationActivity;
 import com.d4rk.androidtutorials.java.utils.EdgeToEdgeDelegate;
-import com.google.android.gms.ads.AdRequest;
-import com.google.android.gms.ads.MobileAds;
+import com.d4rk.androidtutorials.java.ads.AdUtils;
 
 import me.zhanghai.android.fastscroll.FastScrollerBuilder;
 
@@ -16,11 +15,9 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         com.d4rk.androidtutorials.java.databinding.ActivityShortcutsBuildBinding binding = ActivityShortcutsBuildBinding.inflate(getLayoutInflater());
         setContentView(binding.getRoot());
-        MobileAds.initialize(this);
-
         EdgeToEdgeDelegate.apply(this, binding.scrollView);
 
-        binding.adView.loadAd(new AdRequest.Builder().build());
+        AdUtils.loadBanner(binding.adView);
         new FastScrollerBuilder(binding.scrollView).useMd2Style().build();
     }
 }

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/android/lessons/basics/shortcuts/tabs/CodeShortcutsActivity.java

@@ -5,8 +5,7 @@
 import com.d4rk.androidtutorials.java.databinding.ActivityShortcutsCodeBinding;
 import com.d4rk.androidtutorials.java.ui.components.navigation.UpNavigationActivity;
 import com.d4rk.androidtutorials.java.utils.EdgeToEdgeDelegate;
-import com.google.android.gms.ads.AdRequest;
-import com.google.android.gms.ads.MobileAds;
+import com.d4rk.androidtutorials.java.ads.AdUtils;
 
 import me.zhanghai.android.fastscroll.FastScrollerBuilder;
 
@@ -16,11 +15,9 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         ActivityShortcutsCodeBinding binding = ActivityShortcutsCodeBinding.inflate(getLayoutInflater());
         setContentView(binding.getRoot());
-        MobileAds.initialize(this);
-
         EdgeToEdgeDelegate.apply(this, binding.scrollView);
 
-        binding.adView.loadAd(new AdRequest.Builder().build());
+        AdUtils.loadBanner(binding.adView);
         new FastScrollerBuilder(binding.scrollView).useMd2Style().build();
     }
 }

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/android/lessons/basics/shortcuts/tabs/DebuggingShortcutsActivity.java

@@ -5,8 +5,7 @@
 import com.d4rk.androidtutorials.java.databinding.ActivityShortcutsDebuggingBinding;
 import com.d4rk.androidtutorials.java.ui.components.navigation.UpNavigationActivity;
 import com.d4rk.androidtutorials.java.utils.EdgeToEdgeDelegate;
-import com.google.android.gms.ads.AdRequest;
-import com.google.android.gms.ads.MobileAds;
+import com.d4rk.androidtutorials.java.ads.AdUtils;
 
 import me.zhanghai.android.fastscroll.FastScrollerBuilder;
 
@@ -18,10 +17,7 @@ protected void onCreate(Bundle savedInstanceState) {
         setContentView(binding.getRoot());
 
 
-        EdgeToEdgeDelegate.apply(this, binding.scrollView);
-
-        MobileAds.initialize(this);
-        binding.adView.loadAd(new AdRequest.Builder().build());
+        EdgeToEdgeDelegate.apply(this, binding.scrollView);        AdUtils.loadBanner(binding.adView);
         new FastScrollerBuilder(binding.scrollView).useMd2Style().build();
     }
 }

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/android/lessons/basics/shortcuts/tabs/GeneralShortcutsActivity.java

@@ -5,8 +5,7 @@
 import com.d4rk.androidtutorials.java.databinding.ActivityShortcutsGeneralBinding;
 import com.d4rk.androidtutorials.java.ui.components.navigation.UpNavigationActivity;
 import com.d4rk.androidtutorials.java.utils.EdgeToEdgeDelegate;
-import com.google.android.gms.ads.AdRequest;
-import com.google.android.gms.ads.MobileAds;
+import com.d4rk.androidtutorials.java.ads.AdUtils;
 
 import me.zhanghai.android.fastscroll.FastScrollerBuilder;
 
@@ -16,11 +15,9 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         com.d4rk.androidtutorials.java.databinding.ActivityShortcutsGeneralBinding binding = ActivityShortcutsGeneralBinding.inflate(getLayoutInflater());
         setContentView(binding.getRoot());
-        MobileAds.initialize(this);
-
         EdgeToEdgeDelegate.apply(this, binding.scrollView);
 
-        binding.adView.loadAd(new AdRequest.Builder().build());
+        AdUtils.loadBanner(binding.adView);
         new FastScrollerBuilder(binding.scrollView).useMd2Style().build();
     }
 }

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/android/lessons/basics/shortcuts/tabs/NavigationAndSearchingShortcutsActivity.java

@@ -14,8 +14,7 @@
 import com.d4rk.androidtutorials.java.databinding.ActivityShortcutsNavigationAndSearchingBinding;
 import com.d4rk.androidtutorials.java.ui.components.navigation.UpNavigationActivity;
 import com.d4rk.androidtutorials.java.utils.EdgeToEdgeDelegate;
-import com.google.android.gms.ads.AdRequest;
-import com.google.android.gms.ads.MobileAds;
+import com.d4rk.androidtutorials.java.ads.AdUtils;
 
 import java.util.List;
 
@@ -27,11 +26,9 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         ActivityShortcutsNavigationAndSearchingBinding binding = ActivityShortcutsNavigationAndSearchingBinding.inflate(getLayoutInflater());
         setContentView(binding.getRoot());
-        MobileAds.initialize(this);
-
         EdgeToEdgeDelegate.apply(this, binding.shortcutList);
 
-        binding.adView.loadAd(new AdRequest.Builder().build());
+        AdUtils.loadBanner(binding.adView);
         new FastScrollerBuilder(binding.shortcutList).useMd2Style().build();
 
         List<Shortcut> shortcuts = List.of(

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/android/lessons/basics/shortcuts/tabs/RefactoringShortcutsActivity.java

@@ -5,8 +5,7 @@
 import com.d4rk.androidtutorials.java.databinding.ActivityShortcutsRefractoringBinding;
 import com.d4rk.androidtutorials.java.ui.components.navigation.UpNavigationActivity;
 import com.d4rk.androidtutorials.java.utils.EdgeToEdgeDelegate;
-import com.google.android.gms.ads.AdRequest;
-import com.google.android.gms.ads.MobileAds;
+import com.d4rk.androidtutorials.java.ads.AdUtils;
 
 import me.zhanghai.android.fastscroll.FastScrollerBuilder;
 
@@ -16,11 +15,9 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         com.d4rk.androidtutorials.java.databinding.ActivityShortcutsRefractoringBinding binding = ActivityShortcutsRefractoringBinding.inflate(getLayoutInflater());
         setContentView(binding.getRoot());
-        MobileAds.initialize(this);
-
         EdgeToEdgeDelegate.apply(this, binding.scrollView);
 
-        binding.adView.loadAd(new AdRequest.Builder().build());
+        AdUtils.loadBanner(binding.adView);
         new FastScrollerBuilder(binding.scrollView).useMd2Style().build();
     }
 }

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/android/lessons/basics/shortcuts/tabs/VersionControlShortcutsActivity.java

@@ -5,8 +5,7 @@
 import com.d4rk.androidtutorials.java.databinding.ActivityShortcutsVersionControlBinding;
 import com.d4rk.androidtutorials.java.ui.components.navigation.UpNavigationActivity;
 import com.d4rk.androidtutorials.java.utils.EdgeToEdgeDelegate;
-import com.google.android.gms.ads.AdRequest;
-import com.google.android.gms.ads.MobileAds;
+import com.d4rk.androidtutorials.java.ads.AdUtils;
 
 import me.zhanghai.android.fastscroll.FastScrollerBuilder;
 
@@ -16,11 +15,9 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         com.d4rk.androidtutorials.java.databinding.ActivityShortcutsVersionControlBinding binding = ActivityShortcutsVersionControlBinding.inflate(getLayoutInflater());
         setContentView(binding.getRoot());
-        MobileAds.initialize(this);
-
         EdgeToEdgeDelegate.apply(this, binding.scrollView);
 
-        binding.adView.loadAd(new AdRequest.Builder().build());
+        AdUtils.loadBanner(binding.adView);
         new FastScrollerBuilder(binding.scrollView).useMd2Style().build();
     }
 }

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/android/lessons/basics/viewbinding/ViewBindingTutorialActivity.java

@@ -16,7 +16,7 @@
 import com.d4rk.androidtutorials.java.utils.CodeViewUtils;
 import com.d4rk.androidtutorials.java.utils.EdgeToEdgeDelegate;
 import com.d4rk.androidtutorials.java.utils.FontManager;
-import com.google.android.gms.ads.AdRequest;
+import com.d4rk.androidtutorials.java.ads.AdUtils;
 
 import java.io.BufferedReader;
 import java.io.IOException;
@@ -38,8 +38,8 @@ protected void onCreate(Bundle savedInstanceState) {
 
         EdgeToEdgeDelegate.apply(this, binding.scrollView);
 
-        binding.adViewBottom.loadAd(new AdRequest.Builder().build());
-        binding.adView.loadAd(new AdRequest.Builder().build());
+        AdUtils.loadBanner(binding.adViewBottom);
+        AdUtils.loadBanner(binding.adView);
         binding.moreAboutViewBindingButton.setOnClickListener(v ->
                 startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("https://developer.android.com/topic/libraries/view-binding#java"))));