refactor: move AdMob sample overrides to local config

Read API key, proxy URL, and all ad unit IDs from optional local build settings while preserving committed defaults in source so developers can test locally without creating tracked diffs.

Author: polmiro

AdapterSDKs/RevenueCatAdMob/Examples/AdMobIntegrationSample/README.md

@@ -72,9 +72,23 @@ This sample uses RevenueCatAdMob APIs exposed as experimental Swift SPI (`@_spi(
 
 ### 2. Configure the app
 
-1. Open `Sources/Constants.swift`.
-2. Replace `YOUR_REVENUECAT_API_KEY` with your real RevenueCat API key.
-3. Keep the default AdMob test ad unit IDs in each `Sources/AdManagers/*AdManager.swift` file for local testing.
+1. Copy `Local.xcconfig.SAMPLE` to `Local.xcconfig` (repo root). `Local.xcconfig` is ignored by git.
+2. Set local override keys in `Local.xcconfig` (without quotes), for example:
+   - `RC_REVENUECAT_API_KEY = appl_...`
+   - `RC_PROXY_URL = http://localhost:8000/`
+   - `RC_REWARDED_AD_UNIT_ID_OVERRIDE = ca-app-pub-.../...`
+   - `RC_REWARDED_INTERSTITIAL_AD_UNIT_ID_OVERRIDE = ca-app-pub-.../...`
+   - Available ad unit override keys:
+     - `RC_BANNER_AD_UNIT_ID_OVERRIDE`
+     - `RC_INTERSTITIAL_AD_UNIT_ID_OVERRIDE`
+     - `RC_APP_OPEN_AD_UNIT_ID_OVERRIDE`
+     - `RC_REWARDED_AD_UNIT_ID_OVERRIDE`
+     - `RC_REWARDED_INTERSTITIAL_AD_UNIT_ID_OVERRIDE`
+     - `RC_NATIVE_AD_UNIT_ID_OVERRIDE`
+     - `RC_NATIVE_VIDEO_AD_UNIT_ID_OVERRIDE`
+     - `RC_INVALID_AD_UNIT_ID_OVERRIDE`
+3. Run `tuist generate Projects/AdMobIntegrationSample` so these settings are applied to the generated project.
+4. Keep committed defaults in source files (placeholder RevenueCat key + Google test AdMob IDs).
 
 ### 3. Build and run
 
@@ -168,7 +182,7 @@ These are official Google test IDs and are safe for development.
 Native and native video test IDs can be less reliable than other formats depending on environment. For more reliable native testing:
 
 1. Create ad units in your [AdMob account](https://admob.google.com/)
-2. Replace test IDs in the relevant `Sources/AdManagers/*AdManager.swift` file
+2. Set override keys in `Local.xcconfig` (for example `RC_NATIVE_AD_UNIT_ID_OVERRIDE`) and regenerate with Tuist
 3. Configure your device as a test device in AdMob
 4. Keep test mode enabled during validation
 
@@ -188,7 +202,7 @@ Use the **Error Handling** section in the sample UI:
 
 ### "Missing RevenueCat API key" or build fails at startup
 
-Make sure `revenueCatAPIKey` in `Sources/Constants.swift` is set to your real RevenueCat API key (replace the `YOUR_REVENUECAT_API_KEY` placeholder).
+Set `RC_REVENUECAT_API_KEY` in `Local.xcconfig`, regenerate with Tuist, and relaunch the app.
 
 ### Ads not loading
 

AdapterSDKs/RevenueCatAdMob/Examples/AdMobIntegrationSample/Sources/AdManagers/AppOpenAdManager.swift

@@ -4,7 +4,12 @@ import GoogleMobileAds
 
 final class AppOpenAdManager: NSObject, ObservableObject {
 
-    private static let adUnitID = "ca-app-pub-3940256099942544/5575463023"
+    private static var adUnitID: String {
+        return Constants.configuredAdUnitID(
+            forOverrideKey: "RC_APP_OPEN_AD_UNIT_ID_OVERRIDE",
+            defaultValue: "ca-app-pub-3940256099942544/5575463023"
+        )
+    }
 
     var appOpenAd: AppOpenAd?
     @Published var message: String?

AdapterSDKs/RevenueCatAdMob/Examples/AdMobIntegrationSample/Sources/AdManagers/BannerAdManager.swift

@@ -4,7 +4,12 @@ import GoogleMobileAds
 
 final class BannerAdManager: NSObject, ObservableObject {
 
-    private static let adUnitID = "ca-app-pub-3940256099942544/2435281174"
+    private static var adUnitID: String {
+        return Constants.configuredAdUnitID(
+            forOverrideKey: "RC_BANNER_AD_UNIT_ID_OVERRIDE",
+            defaultValue: "ca-app-pub-3940256099942544/2435281174"
+        )
+    }
 
     private(set) var bannerView: BannerView?
 

AdapterSDKs/RevenueCatAdMob/Examples/AdMobIntegrationSample/Sources/AdManagers/ErrorTestingAdManager.swift

@@ -4,7 +4,12 @@ import GoogleMobileAds
 
 final class ErrorTestingAdManager: NSObject, ObservableObject {
 
-    private static let invalidAdUnitID = "invalid-ad-unit-id"
+    private static var invalidAdUnitID: String {
+        return Constants.configuredAdUnitID(
+            forOverrideKey: "RC_INVALID_AD_UNIT_ID_OVERRIDE",
+            defaultValue: "invalid-ad-unit-id"
+        )
+    }
 
     private var errorTestBannerView: BannerView?
 

AdapterSDKs/RevenueCatAdMob/Examples/AdMobIntegrationSample/Sources/AdManagers/InterstitialAdManager.swift

@@ -4,7 +4,12 @@ import GoogleMobileAds
 
 final class InterstitialAdManager: NSObject, ObservableObject {
 
-    private static let adUnitID = "ca-app-pub-3940256099942544/4411468910"
+    private static var adUnitID: String {
+        return Constants.configuredAdUnitID(
+            forOverrideKey: "RC_INTERSTITIAL_AD_UNIT_ID_OVERRIDE",
+            defaultValue: "ca-app-pub-3940256099942544/4411468910"
+        )
+    }
 
     var interstitialAd: InterstitialAd?
     @Published var message: String?

AdapterSDKs/RevenueCatAdMob/Examples/AdMobIntegrationSample/Sources/AdManagers/NativeAdManager.swift

@@ -4,7 +4,12 @@ import GoogleMobileAds
 
 final class NativeAdManager: NSObject, ObservableObject {
 
-    private static let adUnitID = "ca-app-pub-3940256099942544/2247696110"
+    private static var adUnitID: String {
+        return Constants.configuredAdUnitID(
+            forOverrideKey: "RC_NATIVE_AD_UNIT_ID_OVERRIDE",
+            defaultValue: "ca-app-pub-3940256099942544/2247696110"
+        )
+    }
 
     var nativeAdLoader: AdLoader?
 

AdapterSDKs/RevenueCatAdMob/Examples/AdMobIntegrationSample/Sources/AdManagers/NativeVideoAdManager.swift

@@ -4,7 +4,12 @@ import GoogleMobileAds
 
 final class NativeVideoAdManager: NSObject, ObservableObject {
 
-    private static let adUnitID = "ca-app-pub-3940256099942544/1044960115"
+    private static var adUnitID: String {
+        return Constants.configuredAdUnitID(
+            forOverrideKey: "RC_NATIVE_VIDEO_AD_UNIT_ID_OVERRIDE",
+            defaultValue: "ca-app-pub-3940256099942544/1044960115"
+        )
+    }
 
     var nativeVideoAdLoader: AdLoader?
 

AdapterSDKs/RevenueCatAdMob/Examples/AdMobIntegrationSample/Sources/AdManagers/RewardedAdManager.swift

@@ -4,7 +4,12 @@ import GoogleMobileAds
 
 final class RewardedAdManager: NSObject, ObservableObject {
 
-    private static let adUnitID = "ca-app-pub-3940256099942544/1712485313"
+    private static var adUnitID: String {
+        return Constants.configuredAdUnitID(
+            forOverrideKey: "RC_REWARDED_AD_UNIT_ID_OVERRIDE",
+            defaultValue: "ca-app-pub-3940256099942544/1712485313"
+        )
+    }
 
     var rewardedAd: RewardedAd?
     @Published var message: String?

AdapterSDKs/RevenueCatAdMob/Examples/AdMobIntegrationSample/Sources/AdManagers/RewardedInterstitialAdManager.swift

@@ -4,7 +4,12 @@ import GoogleMobileAds
 
 final class RewardedInterstitialAdManager: NSObject, ObservableObject {
 
-    private static let adUnitID = "ca-app-pub-3940256099942544/6978759866"
+    private static var adUnitID: String {
+        return Constants.configuredAdUnitID(
+            forOverrideKey: "RC_REWARDED_INTERSTITIAL_AD_UNIT_ID_OVERRIDE",
+            defaultValue: "ca-app-pub-3940256099942544/6978759866"
+        )
+    }
 
     var rewardedInterstitialAd: RewardedInterstitialAd?
     @Published var message: String?

AdapterSDKs/RevenueCatAdMob/Examples/AdMobIntegrationSample/Sources/AdManagers/VerifiedRewardedAdManager.swift

@@ -4,7 +4,12 @@ import GoogleMobileAds
 
 final class VerifiedRewardedAdManager: NSObject, ObservableObject {
 
-    private static let adUnitID = "ca-app-pub-3940256099942544/1712485313"
+    private static var adUnitID: String {
+        return Constants.configuredAdUnitID(
+            forOverrideKey: "RC_REWARDED_AD_UNIT_ID_OVERRIDE",
+            defaultValue: "ca-app-pub-3940256099942544/1712485313"
+        )
+    }
 
     var rewardedAd: RewardedAd?
     @Published var message: String?