FirebaseAd

const advert = firebase.admob().rewarded('ca-app-pub-4796389498971323~7794037532');

class HomeScreen extends PureComponent {
    

    componentDidMount() {
        const AdRequest = firebase.admob.AdRequest;
        const request = new AdRequest();
        advert.loadAd(request.build());
        console.log(firebase)

        advert.on('onAdLoaded', () => {
            alert('Advert ready to show.');
        });


    }

   showAd = () => {
        if (advert.isLoaded()) {
           advert.show();
        } else {
            alert('not loaded')
        }
    }


    render() {
        return (
            <View style={styles.container}>
                <Button title="Show ad" onPress={this.showAd}/>
                <Button title="Sign out :)" onPress={this._signOutAsync}/>
                {firebase.admob.nativeModuleExists && <Text style={styles.module}>Admob</Text>}
            </View>
        );
    }

    _showMoreApp = () => {
        this.props.navigation.navigate('Other');
    };

    _signOutAsync = async () => {
        await AsyncStorage.clear();
        this.props.navigation.navigate('Auth');
    };
}