Add Theme Picker.

Moved Provider into App.js. Add AppContainer to store theme in redux
store. Add reducers and actions for theme, SET_THEME.

App.js

@@ -1,20 +1,22 @@
-/**
- * Sample React Native App
- * https://github.com/facebook/react-native
- *
- * @format
- * @flow
- */
-
 import React, { useState } from "react";
+import PropTypes from "prop-types";
 import {
 	Appbar,
 	BottomNavigation,
 	Text,
 	Card,
+	Dialog,
+	Portal,
+	Button,
+	Provider,
+	RadioButton,
+	TouchableRipple
 } from "react-native-paper";
 
+import { View, StatusBar, StyleSheet } from "react-native";
+
 import SubjectsContainer from "./containers/SubjectsContainer";
+import themes from "./themes";
 
 
 function Dummy() {
@@ -28,7 +30,32 @@ function Dummy() {
 	);
 }
 
-const App = () => {
+function ThemePicker({ onPress, selectionIdx }) {
+	return (
+		<>
+			{themes.map((t, idx) => (
+				<TouchableRipple
+					onPress={() => onPress(t, idx)}
+					key={idx}
+				>
+					<View style={styles.radio}>
+						<RadioButton
+							status={selectionIdx === idx ? "checked": "unchecked"}
+						/>
+						<Text>{t.name}</Text>
+					</View>
+				</TouchableRipple>
+			))}
+		</>
+	);
+}
+
+ThemePicker.propTypes = {
+	onPress: PropTypes.func,
+	selectionIdx: PropTypes.number,
+};
+
+const App = ({ theme, setTheme }) => {
 	const [ pane, setPane ] = useState({
 		index: 0,
 		routes: [
@@ -38,30 +65,81 @@ const App = () => {
 			{ key: "subjects", title: "Subjects", icon: "book-open" },
 		],
 	});
+	const [ showDialog, setShowDialog ] = useState(false);
+	const [ newTheme, setNewTheme ] = useState(themes.findIndex(
+		i => JSON.stringify(i.theme) === JSON.stringify(theme)
+	));
 	const renderScene = BottomNavigation.SceneMap({
 		add: Dummy,
 		statistics: Dummy,
 		timetable: Dummy,
 		subjects: SubjectsContainer,
 	});
+
+	function dialogSelection(theme, idx) {
+		setNewTheme(idx);
+		setTheme(theme.theme);
+	}
 	return (
 		<>
-			<Appbar.Header>
+			<StatusBar
-				<Appbar.Content
+				backgroundColor={
-					title="Sonzai"
+					theme.dark && theme.mode === "adaptive" ?
-				/>
+						theme.colors.surface :
-			</Appbar.Header>
+						theme.colors.primary
-			<BottomNavigation
+				}
-				navigationState={pane}
-				onIndexChange={(index) => setPane({
-					index,
-					routes: pane.routes
-				})}
-				renderScene={renderScene}
-				shifting={true}
 			/>
+			<Provider theme={theme}>
+				<Appbar.Header>
+					<Appbar.Content
+						title="Sonzai"
+					/>
+					<Appbar.Action
+						icon="brush"
+						onPress={() => setShowDialog(true)}
+					/>
+				</Appbar.Header>
+				<BottomNavigation
+					navigationState={pane}
+					onIndexChange={(index) => setPane({
+						index,
+						routes: pane.routes
+					})}
+					renderScene={renderScene}
+					shifting={true}
+				/>
+				<Portal>
+					<Dialog
+						visible={showDialog}
+						onDismiss={() => setShowDialog(false)}>
+						<Dialog.Title>Theme</Dialog.Title>
+						<Dialog.Content>
+							<ThemePicker
+								onPress={dialogSelection}
+								selectionIdx={newTheme}
+							/>
+						</Dialog.Content>
+						<Dialog.Actions>
+							<Button onPress={() => setShowDialog(false)}>Close</Button>
+						</Dialog.Actions>
+					</Dialog>
+				</Portal>
+			</Provider>
 		</>
 	);
 };
 
+App.propTypes = {
+	theme: PropTypes.object,
+	setTheme: PropTypes.func,
+};
+
+const styles = StyleSheet.create({
+	radio: {
+		flexDirection: "row",
+		alignItems: "center",
+		margin: 5
+	}
+});
+
 export default App;

AppContainer.js

@@ -0,0 +1,19 @@
+import { connect } from "react-redux";
+import App from "./App";
+import { setTheme } from "./actions";
+
+const mapStateToProps = state => {
+	return {
+		theme: state.theme,
+	};
+};
+
+const mapDispatchToProps = dispatch => {
+	return {
+		setTheme: theme => dispatch(setTheme(theme))
+	};
+};
+
+const AppContainer = connect(mapStateToProps, mapDispatchToProps)(App);
+
+export default AppContainer;

actions.js

@@ -13,3 +13,10 @@ export function removeSubject(id) {
 	};
 }
 
+
+export function setTheme(theme) {
+	return {
+		type: "SET_THEME",
+		theme: theme,
+	};
+}

components/Subjects.js

@@ -67,6 +67,8 @@ Subjects.propTypes = {
 const style = StyleSheet.create({
 	card: {
 		marginTop: 12,
+		marginLeft: 10,
+		marginRight: 10,
 	},
 	text: {
 		marginTop: 12,

index.js

@@ -1,40 +1,18 @@
 import React from "react";
 import {AppRegistry} from "react-native";
-import App from "./App";
+import AppContainer from "./AppContainer";
 import {name as appName} from "./app.json";
-import { DarkTheme, Provider } from "react-native-paper";
 import { Provider as ReduxProvider } from "react-redux";
 import { PersistGate } from "redux-persist/integration/react";
 
 import configureStore from "./configureStore";
 const { store, persistor } = configureStore();
 
-const theme = {
-	...DarkTheme,
-	mode: "exact",
-	colors: {
-		primary: "#ededed",
-		accent: "#1a237e",
-		backdrop: "rgba(0, 0, 0, 0.5)",
-		background: "#000000",
-		disabled: "rgba(255, 255, 255, 0.38)",
-		error: "#CF6679",
-		notification: "#ff80ab",
-		onBackground: "#FFFFFF",
-		onSurface: "#FFFFFF",
-		placeholder: "rgba(255, 255, 255, 0.54)",
-		surface: "#121212",
-		text: "#ffffff"
-	}
-};
-
 export default function Main() {
 	return (
 		<ReduxProvider store={store}>
 			<PersistGate persistor={persistor}>
-				<Provider theme={theme}>
+				<AppContainer />
-					<App />
-				</Provider>
 			</PersistGate>
 		</ReduxProvider>
 	);

reducers/index.js

@@ -3,11 +3,13 @@ import { combineReducers } from "redux";
 import timetable from "./timetable";
 import classes from "./classes";
 import subjects from "./subjects";
+import theme from "./theme";
 
 const rootReducer = combineReducers({
 	timetable,
 	classes,
 	subjects,
+	theme,
 });
 
 export default rootReducer;

reducers/theme.js

@@ -0,0 +1,9 @@
+import themes from "../themes";
+export default function theme(state, action) {
+	if (typeof state === "undefined")
+		return themes[0].theme;
+	if (action.type === "SET_THEME") {
+		return action.theme;
+	}
+	return state;
+}

themes.js

@@ -0,0 +1,119 @@
+import { DefaultTheme, DarkTheme } from "react-native-paper";
+export default [
+	{
+		"name": "Dark: Pink and Gray",
+		"theme": {
+			...DarkTheme,
+			mode: "exact",
+			colors: {
+				primary: "#ff1744",
+				accent: "#e0e0e0",
+				backdrop: "rgba(0, 0, 0, 0.5)",
+				background: "#000000",
+				disabled: "rgba(255, 255, 255, 0.38)",
+				error: "#CF6679",
+				notification: "#ff80ab",
+				onBackground: "#FFFFFF",
+				onSurface: "#FFFFFF",
+				placeholder: "rgba(255, 255, 255, 0.54)",
+				surface: "#121212",
+				text: "#ffffff"
+			}
+		}
+	},
+	{
+		"name": "Dark: Pastel Colors",
+		"theme": {
+			...DarkTheme,
+			mode: "exact",
+			colors: {
+				primary: "#ef9a9a",
+				accent: "#fce4ec",
+				backdrop: "rgba(0, 0, 0, 0.5)",
+				background: "#000000",
+				disabled: "rgba(255, 255, 255, 0.38)",
+				error: "#CF6679",
+				notification: "#ff80ab",
+				onBackground: "#FFFFFF",
+				onSurface: "#FFFFFF",
+				placeholder: "rgba(255, 255, 255, 0.54)",
+				surface: "#121212",
+				text: "#ffffff"
+			}
+		}
+	},
+	{
+		"name": "Dark: Pastel Colors 2",
+		"theme": {
+			...DarkTheme,
+			mode: "exact",
+			colors: {
+				primary: "#e0f7fa",
+				accent: "#ffebee",
+				backdrop: "rgba(0, 0, 0, 0.5)",
+				background: "#000000",
+				disabled: "rgba(255, 255, 255, 0.38)",
+				error: "#CF6679",
+				notification: "#ff80ab",
+				onBackground: "#FFFFFF",
+				onSurface: "#FFFFFF",
+				placeholder: "rgba(255, 255, 255, 0.54)",
+				surface: "#121212",
+				text: "#ffffff"
+			}
+		}
+	},
+	{
+		"name": "Absolute Dark: Pink and Gray",
+		"theme": {
+			...DarkTheme,
+			colors: {
+				...DarkTheme.colors,
+				primary: "#ff1744",
+				accent: "#e0e0e0",
+			}
+		}
+	},
+	{
+		"name": "Absolute Dark: Purple and Gray",
+		"theme": DarkTheme
+	},
+	{
+		"name": "Light: Pink and Gray",
+		"theme": {
+			...DefaultTheme,
+			colors: {
+				...DefaultTheme.colors,
+				primary: "#ff1744",
+				accent: "#e0e0e0",
+			}
+		}
+	},
+	{
+		"name": "Light: Pastel Colors",
+		"theme": {
+			...DefaultTheme,
+			mode: "exact",
+			colors: {
+				...DefaultTheme.colors,
+				primary: "#ef9a9a",
+				accent: "#fce4ec",
+			}
+		}
+	},
+	{
+		"name": "Light: Pastel Colors 2",
+		"theme": {
+			...DefaultTheme,
+			colors: {
+				...DefaultTheme.colors,
+				primary: "#ffcccb",
+				accent: "#fce4ec",
+			}
+		}
+	},
+	{
+		"name": "Light: Purple and Green",
+		"theme": DefaultTheme
+	},
+];