Add includecode tags for SwiftUI full-screen ad snippets

PiperOrigin-RevId: 660022142

Swift/advanced/SwiftUIDemo/SwiftUIDemo/Interstitial/InterstitialContentView.swift

@@ -1,3 +1,19 @@
+//
+//  Copyright (C) 2022 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
 import SwiftUI
 
@@ -7,7 +23,9 @@ struct InterstitialContentView: View {
   private let viewModel = InterstitialViewModel()
   let navigationTitle: String
 
+  // [START show_ad]
   var body: some View {
+    // [START_EXCLUDE]
     VStack(spacing: 20) {
       Text("The Impossible Game")
         .font(.largeTitle)
@@ -33,6 +51,7 @@ struct InterstitialContentView: View {
     .onDisappear {
       countdownTimer.pause()
     }
+    // [END_EXCLUDE]
     .onChange(of: countdownTimer.isComplete) { newValue in
       showGameOverAlert = newValue
     }
@@ -46,6 +65,7 @@ struct InterstitialContentView: View {
             viewModel.showAd()
           }))
     }
+    // [END show_ad]
     .navigationTitle(navigationTitle)
   }
 

Swift/advanced/SwiftUIDemo/SwiftUIDemo/Interstitial/InterstitialViewModel.swift

@@ -1,8 +1,26 @@
+//
+//  Copyright (C) 2022 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.
+//
+
+// [START load_interstitial_ad]
 import GoogleMobileAds
 
 class InterstitialViewModel: NSObject, GADFullScreenContentDelegate {
   private var interstitialAd: GADInterstitialAd?
 
+  // [START ad_events]
   func loadAd() async {
     do {
       interstitialAd = try await GADInterstitialAd.load(
@@ -12,18 +30,48 @@ class InterstitialViewModel: NSObject, GADFullScreenContentDelegate {
       print("Failed to load interstitial ad with error: \(error.localizedDescription)")
     }
   }
+  // [END load_interstitial_ad]
 
+  // [START_EXCLUDE silent]
+  // [START show_ad]
   func showAd() {
     guard let interstitialAd = interstitialAd else {
       return print("Ad wasn't ready.")
     }
 
     interstitialAd.present(fromRootViewController: nil)
   }
-
+  // [END show_ad]
+  // [END_EXCLUDE silent]
   // MARK: - GADFullScreenContentDelegate methods
 
+  func adDidRecordImpression(_ ad: GADFullScreenPresentingAd) {
+    print("\(#function) called")
+  }
+
+  func adDidRecordClick(_ ad: GADFullScreenPresentingAd) {
+    print("\(#function) called")
+  }
+
+  func ad(
+    _ ad: GADFullScreenPresentingAd,
+    didFailToPresentFullScreenContentWithError error: Error
+  ) {
+    print("\(#function) called")
+  }
+
+  func adWillPresentFullScreenContent(_ ad: GADFullScreenPresentingAd) {
+    print("\(#function) called")
+  }
+
+  func adWillDismissFullScreenContent(_ ad: GADFullScreenPresentingAd) {
+    print("\(#function) called")
+  }
+
   func adDidDismissFullScreenContent(_ ad: GADFullScreenPresentingAd) {
+    print("\(#function) called")
+    // Clear the interstitial ad.
     interstitialAd = nil
   }
+  // [END ad_events]
 }