export const signOut = () => {
    const nav = NavigationActions.navigate({
        routeName: 'mainFlow', // It's navigation from drawer, so maybe I  // don't need to specify this routeName?
        action: NavigationActions.navigate({ routeName: 'intro' })
    });
    return () => {
        try {
            AsyncStorage.clear();
        } finally {
            AsyncStorage.getItem('token').then(function (response) {
                console.log(response);
            });
            return nav;
        }
    }

};

componentDidMount() {
    this.props.getData();
}

this.props.getData(this.props.navigation);

const getData =(navigation) => {
navigation.navigate('ToYourScreen');
...
}