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2b56011f9c
Summary: This PR adds support for the dark mode and dynamic theme changing to the default App template and to the related `NewAppScreen` components. Using `useColorScheme` hook forced me to refactor a bit main `App.js` file, but I think those changes are step in the right direction according to way in which React Native is used in larger apps, so new `Section` component has been extracted to reduce code redundancy/repetition inside `App`. Additional color `darker` has been added to the `Colors` statics from `NewAppScreen` because `dark` was too bright for the Dark Mode backgrounds. Also main `StoryBoard` on iOS has been updated to use theme based colors instead of static or hardcoded ones. There was also an unused, empty `Label` which I have removed. ~~I'm not so much experienced with Android. If someone could also update Android splash screen (if Android requires such change) it will be nice. I want to look at this later using simulator.~~ > I have updated the Android splash screen and tested this change on the Android emulator. If you have any comment or corrections feel free to post them out, I would like to put more work into this PR if it's needed. Dark Mode this days is a part of near every OS, so it could be considered as a standard feature. I hope those changes helps people which struggle with the basic theming implementation (+ there is now an example of hook and `children` prop usage in the template). ## Changelog [Internal] [Added] - Add dark mode support to the default app template Pull Request resolved: https://github.com/facebook/react-native/pull/28711 Test Plan: I have tested the App from the template on the iOS device and in Android emulator with RN `0.63.0-rc`. Screen recording on iOS (demonstarates both modes, both splash screens and transition):  Screenshot of iOS app in Dark Mode:  Screenshot of iOS app splash screen in Dark Mode:  Screenshot of Android app in the emulator:  Differential Revision: D21236148 Pulled By: shergin fbshipit-source-id: 0c8a9534d3a3f8f8099af939243a889ac4df6cda
144 lines
3.4 KiB
JavaScript
144 lines
3.4 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow strict-local
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* @format
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*/
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'use strict';
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import Colors from './Colors';
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import type {Node} from 'react';
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import openURLInBrowser from 'react-native/Libraries/Core/Devtools/openURLInBrowser';
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import {
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StyleSheet,
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Text,
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TouchableOpacity,
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useColorScheme,
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View,
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} from 'react-native';
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import React, {Fragment} from 'react';
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const links = [
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{
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id: 1,
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title: 'The Basics',
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link: 'https://reactnative.dev/docs/tutorial',
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description: 'Explains a Hello World for React Native.',
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},
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{
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id: 2,
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title: 'Style',
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link: 'https://reactnative.dev/docs/style',
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description:
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'Covers how to use the prop named style which controls the visuals.',
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},
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{
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id: 3,
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title: 'Layout',
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link: 'https://reactnative.dev/docs/flexbox',
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description: 'React Native uses flexbox for layout, learn how it works.',
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},
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{
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id: 4,
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title: 'Components',
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link: 'https://reactnative.dev/docs/components-and-apis',
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description: 'The full list of components and APIs inside React Native.',
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},
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{
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id: 5,
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title: 'Navigation',
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link: 'https://reactnative.dev/docs/navigation',
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description:
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'How to handle moving between screens inside your application.',
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},
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{
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id: 6,
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title: 'Networking',
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link: 'https://reactnative.dev/docs/network',
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description: 'How to use the Fetch API in React Native.',
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},
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{
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id: 7,
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title: 'Help',
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link: 'https://reactnative.dev/help',
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description:
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'Need more help? There are many other React Native developers who may have the answer.',
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},
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{
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id: 8,
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title: 'Follow us on Twitter',
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link: 'https://twitter.com/reactnative',
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description:
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'Stay in touch with the community, join in on Q&As and more by following React Native on Twitter.',
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},
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];
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const LinkList = (): Node => {
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const isDarkMode = useColorScheme() === 'dark';
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return (
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<View style={styles.container}>
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{links.map(({id, title, link, description}) => (
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<Fragment key={id}>
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<View
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style={[
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styles.separator,
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{
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backgroundColor: isDarkMode ? Colors.dark : Colors.light,
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},
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]}
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/>
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<TouchableOpacity
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accessibilityRole="button"
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onPress={() => openURLInBrowser(link)}
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style={styles.linkContainer}>
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<Text style={styles.link}>{title}</Text>
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<Text
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style={[
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styles.description,
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{
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color: isDarkMode ? Colors.lighter : Colors.dark,
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},
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]}>
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{description}
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</Text>
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</TouchableOpacity>
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</Fragment>
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))}
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</View>
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);
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};
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const styles = StyleSheet.create({
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container: {
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marginTop: 32,
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paddingHorizontal: 24,
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},
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linkContainer: {
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flexWrap: 'wrap',
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flexDirection: 'row',
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justifyContent: 'space-between',
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alignItems: 'center',
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paddingVertical: 8,
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},
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link: {
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flex: 2,
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fontSize: 18,
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fontWeight: '400',
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color: Colors.primary,
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},
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description: {
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flex: 3,
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paddingVertical: 16,
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fontWeight: '400',
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fontSize: 18,
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},
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separator: {
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height: StyleSheet.hairlineWidth,
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},
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});
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export default LinkList;
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