Created a new Expo app

Author: emmaodia

.expo-shared/assets.json

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+{
+  "e997a5256149a4b76e6bfd6cbf519c5e5a0f1d278a3d8fa1253022b03c90473b": true,
+  "af683c96e0ffd2cf81287651c9433fa44debc1220ca7cb431fe482747f34a505": true,
+  "12bb71342c6255bbf50437ec8f4441c083f47cdb74bd89160c15e4f43e52a1cb": true,
+  "40b842e832070c58deac6aa9e08fa459302ee3f9da492c7e77d93d2fbf4a56fd": true
+}

.gitignore

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+node_modules/**/*
+.expo/*
+npm-debug.*
+*.jks
+*.p8
+*.p12
+*.key
+*.mobileprovision
+*.orig.*
+web-build/
+
+# macOS
+.DS_Store

App.tsx

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+import { StatusBar } from 'expo-status-bar';
+import React from 'react';
+import { SafeAreaProvider } from 'react-native-safe-area-context';
+
+import useCachedResources from './hooks/useCachedResources';
+import useColorScheme from './hooks/useColorScheme';
+import Navigation from './navigation';
+
+export default function App() {
+  const isLoadingComplete = useCachedResources();
+  const colorScheme = useColorScheme();
+
+  if (!isLoadingComplete) {
+    return null;
+  } else {
+    return (
+      <SafeAreaProvider>
+        <Navigation colorScheme={colorScheme} />
+        <StatusBar />
+      </SafeAreaProvider>
+    );
+  }
+}

app.json

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+{
+  "expo": {
+    "name": "celodapp",
+    "slug": "celodapp",
+    "version": "1.0.0",
+    "orientation": "portrait",
+    "icon": "./assets/images/icon.png",
+    "scheme": "myapp",
+    "userInterfaceStyle": "automatic",
+    "splash": {
+      "image": "./assets/images/splash.png",
+      "resizeMode": "contain",
+      "backgroundColor": "#ffffff"
+    },
+    "updates": {
+      "fallbackToCacheTimeout": 0
+    },
+    "assetBundlePatterns": [
+      "**/*"
+    ],
+    "ios": {
+      "supportsTablet": true
+    },
+    "android": {
+      "adaptiveIcon": {
+        "foregroundImage": "./assets/images/adaptive-icon.png",
+        "backgroundColor": "#FFFFFF"
+      }
+    },
+    "web": {
+      "favicon": "./assets/images/favicon.png"
+    }
+  }
+}

assets/fonts/SpaceMono-Regular.ttf

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+module.exports = function(api) {
+  api.cache(true);
+  return {
+    presets: ['babel-preset-expo'],
+  };
+};

assets/images/adaptive-icon.png

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+import * as WebBrowser from 'expo-web-browser';
+import React from 'react';
+import { StyleSheet, TouchableOpacity } from 'react-native';
+
+import Colors from '../constants/Colors';
+import { MonoText } from './StyledText';
+import { Text, View } from './Themed';
+
+export default function EditScreenInfo({ path }: { path: string }) {
+  return (
+    <View>
+      <View style={styles.getStartedContainer}>
+        <Text
+          style={styles.getStartedText}
+          lightColor="rgba(0,0,0,0.8)"
+          darkColor="rgba(255,255,255,0.8)">
+          Open up the code for this screen:
+        </Text>
+
+        <View
+          style={[styles.codeHighlightContainer, styles.homeScreenFilename]}
+          darkColor="rgba(255,255,255,0.05)"
+          lightColor="rgba(0,0,0,0.05)">
+          <MonoText>{path}</MonoText>
+        </View>
+
+        <Text
+          style={styles.getStartedText}
+          lightColor="rgba(0,0,0,0.8)"
+          darkColor="rgba(255,255,255,0.8)">
+          Change any of the text, save the file, and your app will automatically update.
+        </Text>
+      </View>
+
+      <View style={styles.helpContainer}>
+        <TouchableOpacity onPress={handleHelpPress} style={styles.helpLink}>
+          <Text style={styles.helpLinkText} lightColor={Colors.light.tint}>
+            Tap here if your app doesn't automatically update after making changes
+          </Text>
+        </TouchableOpacity>
+      </View>
+    </View>
+  );
+}
+
+function handleHelpPress() {
+  WebBrowser.openBrowserAsync(
+    'https://docs.expo.io/get-started/create-a-new-app/#opening-the-app-on-your-phonetablet'
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: '#fff',
+  },
+  developmentModeText: {
+    marginBottom: 20,
+    fontSize: 14,
+    lineHeight: 19,
+    textAlign: 'center',
+  },
+  contentContainer: {
+    paddingTop: 30,
+  },
+  welcomeContainer: {
+    alignItems: 'center',
+    marginTop: 10,
+    marginBottom: 20,
+  },
+  welcomeImage: {
+    width: 100,
+    height: 80,
+    resizeMode: 'contain',
+    marginTop: 3,
+    marginLeft: -10,
+  },
+  getStartedContainer: {
+    alignItems: 'center',
+    marginHorizontal: 50,
+  },
+  homeScreenFilename: {
+    marginVertical: 7,
+  },
+  codeHighlightText: {
+    color: 'rgba(96,100,109, 0.8)',
+  },
+  codeHighlightContainer: {
+    borderRadius: 3,
+    paddingHorizontal: 4,
+  },
+  getStartedText: {
+    fontSize: 17,
+    lineHeight: 24,
+    textAlign: 'center',
+  },
+  helpContainer: {
+    marginTop: 15,
+    marginHorizontal: 20,
+    alignItems: 'center',
+  },
+  helpLink: {
+    paddingVertical: 15,
+  },
+  helpLinkText: {
+    textAlign: 'center',
+  },
+});

assets/images/favicon.png

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+import * as React from 'react';
+
+import { Text, TextProps } from './Themed';
+
+export function MonoText(props: TextProps) {
+  return <Text {...props} style={[props.style, { fontFamily: 'space-mono' }]} />;
+}

assets/images/icon.png

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+import * as React from 'react';
+import { Text as DefaultText, View as DefaultView } from 'react-native';
+
+import Colors from '../constants/Colors';
+import useColorScheme from '../hooks/useColorScheme';
+
+export function useThemeColor(
+  props: { light?: string; dark?: string },
+  colorName: keyof typeof Colors.light & keyof typeof Colors.dark
+) {
+  const theme = useColorScheme();
+  const colorFromProps = props[theme];
+
+  if (colorFromProps) {
+    return colorFromProps;
+  } else {
+    return Colors[theme][colorName];
+  }
+}
+
+type ThemeProps = {
+  lightColor?: string;
+  darkColor?: string;
+};
+
+export type TextProps = ThemeProps & DefaultText['props'];
+export type ViewProps = ThemeProps & DefaultView['props'];
+
+export function Text(props: TextProps) {
+  const { style, lightColor, darkColor, ...otherProps } = props;
+  const color = useThemeColor({ light: lightColor, dark: darkColor }, 'text');
+
+  return <DefaultText style={[{ color }, style]} {...otherProps} />;
+}
+
+export function View(props: ViewProps) {
+  const { style, lightColor, darkColor, ...otherProps } = props;
+  const backgroundColor = useThemeColor({ light: lightColor, dark: darkColor }, 'background');
+
+  return <DefaultView style={[{ backgroundColor }, style]} {...otherProps} />;
+}

assets/images/splash.png

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+import * as React from 'react';
+import renderer from 'react-test-renderer';
+
+import { MonoText } from '../StyledText';
+
+it(`renders correctly`, () => {
+  const tree = renderer.create(<MonoText>Snapshot test!</MonoText>).toJSON();
+
+  expect(tree).toMatchSnapshot();
+});

babel.config.js

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+const tintColorLight = '#2f95dc';
+const tintColorDark = '#fff';
+
+export default {
+  light: {
+    text: '#000',
+    background: '#fff',
+    tint: tintColorLight,
+    tabIconDefault: '#ccc',
+    tabIconSelected: tintColorLight,
+  },
+  dark: {
+    text: '#fff',
+    background: '#000',
+    tint: tintColorDark,
+    tabIconDefault: '#ccc',
+    tabIconSelected: tintColorDark,
+  },
+};

components/EditScreenInfo.tsx

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+import { Dimensions } from 'react-native';
+
+const width = Dimensions.get('window').width;
+const height = Dimensions.get('window').height;
+
+export default {
+  window: {
+    width,
+    height,
+  },
+  isSmallDevice: width < 375,
+};

components/StyledText.tsx

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+import { Ionicons } from '@expo/vector-icons';
+import * as Font from 'expo-font';
+import * as SplashScreen from 'expo-splash-screen';
+import * as React from 'react';
+
+export default function useCachedResources() {
+  const [isLoadingComplete, setLoadingComplete] = React.useState(false);
+
+  // Load any resources or data that we need prior to rendering the app
+  React.useEffect(() => {
+    async function loadResourcesAndDataAsync() {
+      try {
+        SplashScreen.preventAutoHideAsync();
+
+        // Load fonts
+        await Font.loadAsync({
+          ...Ionicons.font,
+          'space-mono': require('../assets/fonts/SpaceMono-Regular.ttf'),
+        });
+      } catch (e) {
+        // We might want to provide this error information to an error reporting service
+        console.warn(e);
+      } finally {
+        setLoadingComplete(true);
+        SplashScreen.hideAsync();
+      }
+    }
+
+    loadResourcesAndDataAsync();
+  }, []);
+
+  return isLoadingComplete;
+}

components/Themed.tsx

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+import { ColorSchemeName, useColorScheme as _useColorScheme } from 'react-native';
+
+// The useColorScheme value is always either light or dark, but the built-in
+// type suggests that it can be null. This will not happen in practice, so this
+// makes it a bit easier to work with.
+export default function useColorScheme(): NonNullable<ColorSchemeName> {
+  return _useColorScheme() as NonNullable<ColorSchemeName>;
+}

components/__tests__/StyledText-test.js

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+// useColorScheme from react-native does not support web currently. You can replace
+// this with react-native-appearance if you would like theme support on web.
+export default function useColorScheme() {
+  return 'light';
+}