Вы можете сделать что-то вроде этого:
import React from 'react';
import { createAppContainer } from 'react-navigation';
import { createStackNavigator } from 'react-navigation-stack';
import { createDrawerNavigator, DrawerItems } from 'react-navigation-drawer';
import { View, Text, StyleSheet,Button, SafeAreaView, ScrollView, Image } from "react-native";
import Load from './components/Load';
import Home from './components/Homescreen'
import SignIn from './components/SignIn'
import SignUp from './components/SignOut'
const MainDrawer = createDrawerNavigator({
SignUp:SignUp,
},
);
const App = createStackNavigator({
Load: {
screen: Load,
navigationOptions: {
headerShown:false
},
},
Home: {
screen: Home,
navigationOptions: {
headerShown:false,
},
},
SignIn: {
screen: SignIn,
navigationOptions: {
headerShown:false,
},
},
SignUp: {
screen: MainDrawer,
navigationOptions: {
headerShown:false,
},
},
});
export default createAppContainer(App);
Надеюсь, это поможет!