Style tab navigation.

App.js

@@ -1,4 +1,5 @@
 import React, { useState } from "react";
+import Color from "color";
 import PropTypes from "prop-types";
 import {
 	Appbar,
@@ -9,12 +10,14 @@ import {
 	Button,
 	Provider,
 	RadioButton,
-	TouchableRipple
+	TouchableRipple,
+	overlay,
 } from "react-native-paper";
 
-import { View, StatusBar, StyleSheet } from "react-native";
+import { View, StatusBar, StyleSheet, Text as RNText } from "react-native";
 import { NavigationContainer } from "@react-navigation/native";
 import { TabView, SceneMap, TabBar } from "react-native-tab-view";
+import Icon from "react-native-vector-icons/MaterialCommunityIcons";
 
 import SubjectsContainer from "./containers/SubjectsContainer";
 import TimetableContainer from "./containers/TimetableContainer";
@@ -59,6 +62,27 @@ ThemePicker.propTypes = {
 };
 
 const App = ({ theme, setTheme }) => {
+
+	function renderLabel({ route, focused, color }) {
+		return <RNText style={{color: focused ? color : backgroundColor}}>{route.title}</RNText>;
+	}
+
+	renderLabel.propTypes = {
+		route: PropTypes.object,
+		focused: PropTypes.bool,
+		color: PropTypes.string,
+	};
+
+	function renderIcon({ route, color }) {
+		return (
+			<View>
+				<Icon name={route.icon} color={color} size={20}/>
+			</View>
+		);
+	}
+
+	renderIcon.propTypes = renderLabel.propTypes;
+
 	const [ pane, setPane ] = useState({
 		index: 0,
 		routes: [
@@ -79,6 +103,12 @@ const App = ({ theme, setTheme }) => {
 		subjects: SubjectsContainer,
 	});
 
+	const backgroundColor = theme.dark && theme.mode === "adaptive" ?
+		overlay(4, theme.colors.surface):
+		theme.colors.primary;
+
+	const activeColor = Color(backgroundColor).isLight() ? "#000" : "#FFF";
+	const inactiveColor = Color(backgroundColor).isLight() ? "#222" : "#AAA";
 	function dialogSelection(theme, idx) {
 		setNewTheme(idx);
 		setTheme(theme.theme);
@@ -86,11 +116,7 @@ const App = ({ theme, setTheme }) => {
 	return (
 		<NavigationContainer theme={theme}>
 			<StatusBar
-				backgroundColor={
-					theme.dark && theme.mode === "adaptive" ?
-						theme.colors.surface :
-						theme.colors.primary
-				}
+				backgroundColor={backgroundColor}
 			/>
 			<Provider theme={theme}>
 				<Appbar.Header>
@@ -110,18 +136,23 @@ const App = ({ theme, setTheme }) => {
 					})}
 					renderScene={renderScene}
 					shifting={true}
+					tabBarPosition="bottom"
 					renderTabBar={props => (
 						<TabBar
 							{...props}
 							style={{
-								backgroundColor: theme.dark && theme.mode === "adaptive" ?
-									theme.colors.surface :
-									theme.colors.primary,
-								color: theme.colors.text,
+								backgroundColor: backgroundColor,
 							}}
+							activeColor={activeColor}
+							inactiveColor={inactiveColor}
+							renderLabel={renderLabel}
+							renderIcon={renderIcon}
+							renderIndicator={() => null}
 						/>)
 					}
-					tabBarPosition="bottom"
+					sceneContainerStyle={{
+						backgroundColor: theme.colors.background
+					}}
 				/>
 				<Portal>
 					<Dialog

package.json

@@ -16,7 +16,9 @@
     "@react-navigation/native": "^5.1.0",
     "@react-navigation/stack": "^5.2.1",
     "buffer": "^5.5.0",
+    "color": "^3.1.2",
     "date-fns": "^2.11.0",
+    "jsan": "^3.1.13",
     "react": "16.9.0",
     "react-native": "0.61.5",
     "react-native-gesture-handler": "^1.6.0",
@@ -29,6 +31,7 @@
     "react-native-vector-icons": "^6.6.0",
     "react-redux": "^7.2.0",
     "redux": "^4.0.5",
+    "redux-devtools-extension": "^2.13.8",
     "redux-persist": "^6.0.0"
   },
   "devDependencies": {

yarn.lock

@@ -3885,6 +3885,11 @@ js-yaml@^3.13.1:
     argparse "^1.0.7"
     esprima "^4.0.0"
 
+jsan@^3.1.13:
+  version "3.1.13"
+  resolved "https://registry.npmjs.org/jsan/-/jsan-3.1.13.tgz#4de8c7bf8d1cfcd020c313d438f930cec4b91d86"
+  integrity sha512-9kGpCsGHifmw6oJet+y8HaCl14y7qgAsxVdV3pCHDySNR3BfDC30zgkssd7x5LRVAT22dnpbe9JdzzmXZnq9/g==
+
 jsbn@~0.1.0:
   version "0.1.1"
   resolved "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
@@ -5415,6 +5420,11 @@ realpath-native@^1.1.0:
   dependencies:
     util.promisify "^1.0.0"
 
+redux-devtools-extension@^2.13.8:
+  version "2.13.8"
+  resolved "https://registry.npmjs.org/redux-devtools-extension/-/redux-devtools-extension-2.13.8.tgz#37b982688626e5e4993ff87220c9bbb7cd2d96e1"
+  integrity sha512-8qlpooP2QqPtZHQZRhx3x3OP5skEV1py/zUdMY28WNAocbafxdG2tRD1MWE7sp8obGMNYuLWanhhQ7EQvT1FBg==
+
 redux-persist@^6.0.0:
   version "6.0.0"
   resolved "https://registry.npmjs.org/redux-persist/-/redux-persist-6.0.0.tgz#b4d2972f9859597c130d40d4b146fecdab51b3a8"