[admob] Add openDebugMenu support

android/src/main/java/io/invertase/firebase/admob/RNFirebaseAdMob.java

@@ -45,6 +45,11 @@ public class RNFirebaseAdMob extends ReactContextBaseJavaModule {
     MobileAds.initialize(this.getContext(), appId);
   }
 
+  @ReactMethod
+  public void openDebugMenu(String appId) {
+    MobileAds.openDebugMenu(getActivity(), appId);
+  }
+
   @ReactMethod
   public void interstitialLoadAd(String adUnit, ReadableMap request) {
     RNFirebaseAdmobInterstitial interstitial = getOrCreateInterstitial(adUnit);

docs/modules/admob.md

@@ -13,6 +13,15 @@ Initialize takes your AdMob App ID, where you can find on your AdMob dashboard.
 firebase.admob().initialize("ca-app-pub-3940256099942544~3347511713");
 ```
 
+## Debugging
+
+Once initialized, you can debug ((Android)[https://developers.google.com/mobile-ads-sdk/docs/dfp/android/debug]/(iOS)[https://developers.google.com/mobile-ads-sdk/docs/dfp/ios/debug])
+your ads using the debug menu.
+
+```js
+firebase.admob().openDebugMenu();
+```
+
 ## API
 
 ### Banner

ios/RNFirebase/admob/RNFirebaseAdMob.m

@@ -32,6 +32,14 @@ RCT_EXPORT_METHOD(initialize:
     [GADMobileAds configureWithApplicationID:appId];
 }
 
+RCT_EXPORT_METHOD(openDebugMenu:
+    (NSString *) appId) {
+    GADDebugOptionsViewController *debugOptionsViewController = [GADDebugOptionsViewController debugOptionsViewControllerWithAdUnitID:appId];
+    UIWindow* window = [UIApplication sharedApplication].keyWindow;
+
+    [[window rootViewController] presentViewController:debugOptionsViewController animated:YES completion:nil];
+}
+
 RCT_EXPORT_METHOD(interstitialLoadAd:
     (NSString *) adUnit
             request:

lib/modules/admob/index.js

@@ -21,6 +21,7 @@ export default class Admob extends Base {
     }
 
     this._initialized = false;
+    this._appId = null;
     FirebaseAdMobEvt.addListener('interstitial_event', this._onInterstitialEvent.bind(this));
     FirebaseAdMobEvt.addListener('rewarded_video_event', this._onRewardedVideoEvent.bind(this));
   }
@@ -54,9 +55,20 @@ export default class Admob extends Base {
     }
 
     this._initialized = true;
+    this._appId = appId;
     return FirebaseAdMob.initialize(appId);
   }
 
+  openDebugMenu() {
+    if (!this._initialized) {
+      this.log.warn('AdMob needs to be initialized before opening the dev menu!');
+      return;
+    }
+
+    this.log.info('Opening debug menu');
+    return FirebaseAdMob.openDebugMenu(this._appId);
+  }
+
   interstitial(adUnit: string) {
     return new Interstitial(this, adUnit);
   }
@@ -68,6 +80,10 @@ export default class Admob extends Base {
   static get statics() {
     return statics;
   }
+
+  get namespace(): string {
+    return 'firebase:admob';
+  }
 }
 
 export const statics = {

tests/src/tests/admob/admob.js

@@ -22,6 +22,7 @@ export default function addTests({ before, fdescribe, describe, it, firebase })
         const admob = firebase.native.admob();
 
         admob.should.have.property('initialize').and.be.a.Function();
+        admob.should.have.property('openDebugMenu').and.be.a.Function();
         admob.should.have.property('interstitial').and.be.a.Function();
         admob.should.have.property('rewarded').and.be.a.Function();
         resolve();