Added region tags for native advanced snippets.

PiperOrigin-RevId: 800470845

Author: JillSong

Objective-C/admob/NativeAdvancedExample/NativeAdvancedExample/ViewController.m

@@ -194,8 +194,11 @@ - (void)adLoader:(GADAdLoader *)adLoader didFailToReceiveAdWithError:(NSError *)
 
 #pragma mark GADNativeAdLoaderDelegate implementation
 
+// [START display_native_ad]
 - (void)adLoader:(GADAdLoader *)adLoader didReceiveNativeAd:(GADNativeAd *)nativeAd {
+  // [START_EXCLUDE]
   self.refreshButton.enabled = YES;
+  // [END_EXCLUDE]
 
   GADNativeAdView *nativeAdView = self.nativeAdView;
 
@@ -205,7 +208,9 @@ - (void)adLoader:(GADAdLoader *)adLoader didReceiveNativeAd:(GADNativeAd *)nativ
   // Populate the native ad view with the native ad assets.
   // The headline and mediaContent are guaranteed to be present in every native ad.
   ((UILabel *)nativeAdView.headlineView).text = nativeAd.headline;
+  // [START set_media_content]
   nativeAdView.mediaView.mediaContent = nativeAd.mediaContent;
+  // [END set_media_content]
 
   // This app uses a fixed width for the GADMediaView and changes its height
   // to match the aspect ratio of the media content it displays.
@@ -265,6 +270,7 @@ - (void)adLoader:(GADAdLoader *)adLoader didReceiveNativeAd:(GADNativeAd *)nativ
   // Note: this should always be done after populating the ad views.
   nativeAdView.nativeAd = nativeAd;
 }
+// [END display_native_ad]
 
 #pragma mark GADVideoControllerDelegate implementation
 

Objective-C/advanced/APIDemo/APIDemo/Snippets/NativeAdSnippets.m

@@ -0,0 +1,38 @@
+//
+//  Copyright (C) 2025 Google, Inc.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
+
+#import <GoogleMobileAds/GoogleMobileAds.h>
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface NativeAdSnippets : NSObject
+@end
+
+@implementation NativeAdSnippets
+
+- (void)setContentModeForNativeAdView:(GADNativeAdView *)nativeAdView nativeAd:(GADNativeAd *)ad {
+  // [START set_content_mode]
+  GADMediaView *mediaView = nativeAdView.mediaView;
+  if (mediaView) {
+    mediaView.contentMode = UIViewContentModeScaleAspectFit;
+  }
+  // [END set_content_mode]
+}
+
+NS_ASSUME_NONNULL_END
+
+@end

Swift/admob/NativeAdvancedExample/NativeAdvancedExample/ViewController.swift

@@ -200,16 +200,21 @@ extension ViewController: @preconcurrency AdLoaderDelegate {
 
 extension ViewController: @preconcurrency NativeAdLoaderDelegate {
 
+  // [START display_native_ad]
   func adLoader(_ adLoader: AdLoader, didReceive nativeAd: NativeAd) {
+    // [START_EXCLUDE]
     refreshAdButton.isEnabled = true
+    // [END_EXCLUDE]
 
     // Set ourselves as the native ad delegate to be notified of native ad events.
     nativeAd.delegate = self
 
     // Populate the native ad view with the native ad assets.
     // The headline and mediaContent are guaranteed to be present in every native ad.
     (nativeAdView.headlineView as? UILabel)?.text = nativeAd.headline
+    // [START set_media_content]
     nativeAdView.mediaView?.mediaContent = nativeAd.mediaContent
+    // [END set_media_content]
 
     // Some native ads will include a video asset, while others do not. Apps can use the
     // GADVideoController's hasVideoContent property to determine if one is present, and adjust their
@@ -270,6 +275,7 @@ extension ViewController: @preconcurrency NativeAdLoaderDelegate {
     // Note: this should always be done after populating the ad views.
     nativeAdView.nativeAd = nativeAd
   }
+  // [END display_native_ad]
 }
 
 // MARK: - GADNativeAdDelegate implementation

Swift/advanced/APIDemo/APIDemo/Snippets/NativeAdSnippets.swift

@@ -0,0 +1,27 @@
+//
+//  Copyright (C) 2025 Google, Inc.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
+
+import GoogleMobileAds
+
+class NativeAdSnippets {
+
+  private func setContentMode(_ nativeAdView: NativeAdView, for ad: NativeAd) {
+    // [START set_content_mode]
+    nativeAdView.mediaView?.contentMode = .scaleAspectFit
+    // [END set_content_mode]
+  }
+
+}