feat: add method to reload banner ad

RNGoogleMobileAdsExample/App.tsx

@@ -187,6 +187,7 @@ class BannerTest implements Test {
 
   constructor(bannerAdSize) {
     this.bannerAdSize = bannerAdSize;
+    this.bannerRef = React.createRef();
   }
 
   getPath(): string {
@@ -203,9 +204,13 @@ class BannerTest implements Test {
   }
 
   render(onMount: (component: any) => void): React.ReactNode {
+    const reload = () => {
+      this.bannerRef.current?.reload();
+    };
     return (
       <View ref={onMount}>
         <BannerAd
+          ref={this.bannerRef}
           unitId={
             this.bannerAdSize.includes('ADAPTIVE_BANNER')
               ? TestIds.ADAPTIVE_BANNER
@@ -220,6 +225,7 @@ class BannerTest implements Test {
             );
           }}
         />
+        <Button title="reload" onPress={reload} />
       </View>
     );
   }

android/src/main/java/io/invertase/googlemobileads/ReactNativeGoogleMobileAdsBannerAdViewManager.java

@@ -62,6 +62,7 @@ public class ReactNativeGoogleMobileAdsBannerAdViewManager
   private final String EVENT_SIZE_CHANGE = "onSizeChange";
   private final String EVENT_APP_EVENT = "onAppEvent";
   private final int COMMAND_ID_RECORD_MANUAL_IMPRESSION = 1;
+  private final int COMMAND_ID_RELOAD = 2;
 
   @Nonnull
   @Override
@@ -85,7 +86,9 @@ public Map<String, Object> getExportedCustomDirectEventTypeConstants() {
   @Nullable
   @Override
   public Map<String, Integer> getCommandsMap() {
-    return MapBuilder.of("recordManualImpression", COMMAND_ID_RECORD_MANUAL_IMPRESSION);
+    return MapBuilder.of(
+      "recordManualImpression", COMMAND_ID_RECORD_MANUAL_IMPRESSION,
+      "reload", COMMAND_ID_RELOAD);
   }
 
   @Override
@@ -99,6 +102,10 @@ public void receiveCommand(
       if (adView instanceof AdManagerAdView) {
         ((AdManagerAdView) adView).recordManualImpression();
       }
+    } else if (commandIdInt == COMMAND_ID_RELOAD) {
+      BaseAdView adView = getAdView(reactViewGroup);
+      AdRequest request = reactViewGroup.getRequest();
+      adView.loadAd(request);
     }
   }
 

ios/RNGoogleMobileAds/RNGoogleMobileAdsBannerComponent.h

@@ -37,6 +37,7 @@
 
 - (void)requestAd;
 - (void)recordManualImpression;
+- (void)reload;
 
 @end
 

ios/RNGoogleMobileAds/RNGoogleMobileAdsBannerComponent.m

@@ -137,6 +137,15 @@ - (void)requestAd {
           }];
 }
 
+- (void)reload {
+  [_banner loadRequest:[RNGoogleMobileAdsCommon buildAdRequest:_request]];
+  [self sendEvent:@"onSizeChange"
+          payload:@{
+            @"width" : @(_banner.bounds.size.width),
+            @"height" : @(_banner.bounds.size.height),
+          }];
+}
+
 - (void)sendEvent:(NSString *)type payload:(NSDictionary *_Nullable)payload {
   if (!self.onNativeEvent) {
     return;

ios/RNGoogleMobileAds/RNGoogleMobileAdsBannerView.mm

@@ -161,6 +161,8 @@ - (void)requestAd {
 - (void)handleCommand:(const NSString *)commandName args:(const NSArray *)args {
   if ([commandName isEqual:@"recordManualImpression"]) {
     [self recordManualImpression];
+  } else if ([commandName isEqual:@"reload"]) {
+    [self reload];
   }
 }
 
@@ -170,6 +172,20 @@ - (void)recordManualImpression {
   }
 }
 
+- (void)reload {
+  if ([_banner class] == [GAMBannerView class]) {
+    [_banner loadRequest:[RNGoogleMobileAdsCommon buildAdRequest:_request]];
+    if (_eventEmitter != nullptr) {
+      std::dynamic_pointer_cast<const facebook::react::RNGoogleMobileAdsBannerViewEventEmitter>(
+          _eventEmitter)
+          ->onNativeEvent(facebook::react::RNGoogleMobileAdsBannerViewEventEmitter::OnNativeEvent{
+              .type = "onSizeChange",
+              .width = _banner.bounds.size.width,
+              .height = _banner.bounds.size.height});
+    }
+  }
+}
+
 #pragma mark - Events
 
 - (void)bannerViewDidReceiveAd:(GADBannerView *)bannerView {

ios/RNGoogleMobileAds/RNGoogleMobileAdsBannerViewManager.mm

@@ -55,6 +55,20 @@ @implementation RNGoogleMobileAdsBannerViewManager
 #endif
 }
 
+RCT_EXPORT_METHOD(reload : (nonnull NSNumber *)reactTag) {
+#if !TARGET_OS_MACCATALYST
+  [self.bridge.uiManager
+      addUIBlock:^(RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry) {
+        RNGoogleMobileAdsBannerComponent *banner = viewRegistry[reactTag];
+        if (!banner || ![banner isKindOfClass:[RNGoogleMobileAdsBannerComponent class]]) {
+          RCTLogError(@"Cannot find NativeView with tag #%@", reactTag);
+          return;
+        }
+        [banner reload];
+      }];
+#endif
+}
+
 #ifdef RCT_NEW_ARCH_ENABLE
 
 #else

src/ads/BannerAd.tsx

@@ -15,10 +15,21 @@
  *
  */
 
-import React from 'react';
+import React, { createRef } from 'react';
 import { BannerAdProps } from '../types/BannerAdProps';
 import { BaseAd } from './BaseAd';
+import GoogleMobileAdsBannerView, { Commands } from './GoogleMobileAdsBannerViewNativeComponent';
 
-export function BannerAd({ size, ...props }: BannerAdProps) {
-  return <BaseAd sizes={[size]} {...props} />;
+export class BannerAd extends React.Component<BannerAdProps> {
+  private ref = createRef<React.ElementRef<typeof GoogleMobileAdsBannerView>>();
+
+  reload() {
+    if (this.ref.current) {
+      Commands.reload(this.ref.current);
+    }
+  }
+
+  render() {
+    return <BaseAd ref={this.ref} sizes={[this.props.size]} {...this.props} />;
+  }
 }

src/ads/GAMBannerAd.tsx

@@ -29,6 +29,12 @@ export class GAMBannerAd extends React.Component<GAMBannerAdProps> {
     }
   }
 
+  reload() {
+    if (this.ref.current) {
+      Commands.reload(this.ref.current);
+    }
+  }
+
   render() {
     return <BaseAd ref={this.ref} {...this.props} />;
   }

src/ads/GoogleMobileAdsBannerViewNativeComponent.ts

@@ -29,10 +29,11 @@ export type ComponentType = HostComponent<NativeProps>;
 
 interface NativeCommands {
   recordManualImpression: (viewRef: React.ElementRef<ComponentType>) => void;
+  reload: (viewRef: React.ElementRef<ComponentType>) => void;
 }
 
 export const Commands: NativeCommands = codegenNativeCommands<NativeCommands>({
-  supportedCommands: ['recordManualImpression'],
+  supportedCommands: ['recordManualImpression', 'reload'],
 });
 
 export default codegenNativeComponent<NativeProps>(