ios navigation bar + react native code example

Example 1: react native drawer navigation example

import * as React from 'react';
import { Button, View } from 'react-native';
import { createDrawerNavigator } from '@react-navigation/drawer';
import { NavigationContainer } from '@react-navigation/native';

function HomeScreen({ navigation }) {
  return (
    <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center' }}>
      <Button
        onPress={() => navigation.navigate('Notifications')}
        title="Go to notifications"
      />
    </View>
  );
}

function NotificationsScreen({ navigation }) {
  return (
    <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center' }}>
      <Button onPress={() => navigation.goBack()} title="Go back home" />
    </View>
  );
}

const Drawer = createDrawerNavigator();

export default function App() {
  return (
    <NavigationContainer>
      <Drawer.Navigator initialRouteName="Home">
        <Drawer.Screen name="Home" component={HomeScreen} />
        <Drawer.Screen name="Notifications" component={NotificationsScreen} />
      </Drawer.Navigator>
    </NavigationContainer>
  );
}

Example 2: react native expo change color android navigation bar

{
  "androidNavigationBar": {
     /*
        Determines to show or hide bottom navigation bar.
        "true" to show, "false" to hide.
        If set to false, status bar will also be hide. As it's a general rule to hide both status bar and navigation bar on Android developer official docs.
      */
    "visible": BOOLEAN,
    /*
      Configure the navigation bar icons to have light or dark color.
      Valid values: "light-content", "dark-content".
    */
    "barStyle": STRING,

    /*
      Configuration for android navigation bar.
      6 character long hex color string, eg: "#000000"
    */
    "backgroundColor": STRING
  }
}