Expo example

examples/expo/.babelrc

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+{
+  "presets": ["babel-preset-expo"],
+  "env": {
+    "development": {
+      "plugins": ["transform-react-jsx-source"]
+    }
+  }
+}

examples/expo/.eslintrc

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+{
+  "extends": "universe/native"
+}

examples/expo/.gitignore

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+node_modules/**/*
+.expo/**/*

examples/expo/.prettierrc

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+{
+  "printWidth": 100,
+  "tabWidth": 2,
+  "singleQuote": true,
+  "jsxBracketSameLine": true,
+  "trailingComma": "es5"
+}

examples/expo/.watchmanconfig

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+{}

examples/expo/App.js

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+import React from 'react';
+import { Platform, StatusBar, StyleSheet, View } from 'react-native';
+import { AppLoading, Asset, Font, Icon } from 'expo';
+import AppNavigator from './navigation/AppNavigator';
+
+export default class App extends React.Component {
+  state = {
+    isLoadingComplete: false,
+  };
+
+  render() {
+    if (!this.state.isLoadingComplete && !this.props.skipLoadingScreen) {
+      return (
+        <AppLoading
+          startAsync={this._loadResourcesAsync}
+          onError={this._handleLoadingError}
+          onFinish={this._handleFinishLoading}
+        />
+      );
+    } else {
+      return (
+        <View style={styles.container}>
+          {Platform.OS === 'ios' && <StatusBar barStyle="default" />}
+          <AppNavigator />
+        </View>
+      );
+    }
+  }
+
+  _loadResourcesAsync = async () => {
+    return Promise.all([
+      Asset.loadAsync([
+        require('./assets/images/robot-dev.png'),
+        require('./assets/images/robot-prod.png'),
+      ]),
+      Font.loadAsync({
+        // This is the font that we are using for our tab bar
+        ...Icon.Ionicons.font,
+        // We include SpaceMono because we use it in HomeScreen.js. Feel free
+        // to remove this if you are not using it in your app
+        'space-mono': require('./assets/fonts/SpaceMono-Regular.ttf'),
+      }),
+    ]);
+  };
+
+  _handleLoadingError = error => {
+    // In this case, you might want to report the error to your error
+    // reporting service, for example Sentry
+    console.warn(error);
+  };
+
+  _handleFinishLoading = () => {
+    this.setState({ isLoadingComplete: true });
+  };
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: '#fff',
+  },
+});

examples/expo/__tests__/App-test.js

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+import 'react-native';
+import React from 'react';
+import renderer from 'react-test-renderer';
+import NavigationTestUtils from 'react-navigation/NavigationTestUtils';
+import App from '../App';
+
+describe('App snapshot', () => {
+  jest.useFakeTimers();
+  beforeEach(() => {
+    NavigationTestUtils.resetInternalState();
+  });
+
+  it('renders the loading screen', async () => {
+    const tree = renderer.create(<App />).toJSON();
+    expect(tree).toMatchSnapshot();
+  });
+
+  it('renders the root without loading screen', async () => {
+    const tree = renderer.create(<App skipLoadingScreen />).toJSON();
+    expect(tree).toMatchSnapshot();
+  });
+});

examples/expo/app.json

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+{
+  "expo": {
+    "name": "ExpoExample",
+    "description": "A very interesting project.",
+    "slug": "ExpoExample",
+    "privacy": "public",
+    "sdkVersion": "30.0.0",
+    "platforms": ["ios", "android"],
+    "version": "1.0.0",
+    "orientation": "portrait",
+    "icon": "./assets/images/icon.png",
+    "splash": {
+      "image": "./assets/images/splash.png",
+      "resizeMode": "contain",
+      "backgroundColor": "#ffffff"
+    },
+    "updates": {
+      "fallbackToCacheTimeout": 0
+    },
+    "assetBundlePatterns": [
+      "**/*"
+    ],
+    "ios": {
+      "supportsTablet": true
+    }
+  }
+}

examples/expo/components/DrawerContent.js

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+import React from 'react';
+import PropTypes from 'prop-types';
+import { StyleSheet, Text, View, ViewPropTypes } from 'react-native';
+import Button from 'react-native-button';
+import { Actions } from 'react-native-router-flux';
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+    backgroundColor: 'transparent',
+    borderWidth: 2,
+    borderColor: 'red',
+  },
+});
+
+class DrawerContent extends React.Component {
+  static propTypes = {
+    name: PropTypes.string,
+    sceneStyle: ViewPropTypes.style,
+    title: PropTypes.string,
+  };
+
+  static contextTypes = {
+    drawer: PropTypes.object,
+  };
+
+  render() {
+    return (
+      <View style={styles.container}>
+        <Button onPress={Actions.pop}>Back</Button>
+        <Button onPress={Actions.main_home}>Switch to Home</Button>
+        <Button onPress={Actions.main_links}>Switch to Links</Button>
+        <Button onPress={Actions.main_settings}>Switch to Settings</Button>
+      </View>
+    );
+  }
+}
+
+export default DrawerContent;

examples/expo/components/MenuIcon.js

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+import React from 'react';
+import { Icon } from 'expo';
+
+export default class MenuIcon extends React.Component {
+  render() {
+    return <Icon.Ionicons name={isAndroid ? 'md-more' : 'ios-more'} size={32} />;
+  }
+}

examples/expo/components/StyledText.js

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+import React from 'react';
+import { Text } from 'react-native';
+
+export class MonoText extends React.Component {
+  render() {
+    return <Text {...this.props} style={[this.props.style, { fontFamily: 'space-mono' }]} />;
+  }
+}

examples/expo/components/TabBarIcon.js

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+import React from 'react';
+import { Icon } from 'expo';
+
+import Colors from '../constants/Colors';
+
+export default class TabBarIcon extends React.Component {
+  render() {
+    return (
+      <Icon.Ionicons
+        name={this.props.name}
+        size={26}
+        style={{ marginBottom: -3 }}
+        color={this.props.focused ? Colors.tabIconSelected : Colors.tabIconDefault}
+      />
+    );
+  }
+}

examples/expo/components/__tests__/StyledText-test.js

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

examples/expo/constants/Colors.js

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+const tintColor = '#2f95dc';
+
+export default {
+  tintColor,
+  tabIconDefault: '#ccc',
+  tabIconSelected: tintColor,
+  tabBar: '#fefefe',
+  errorBackground: 'red',
+  errorText: '#fff',
+  warningBackground: '#EAEB5E',
+  warningText: '#666804',
+  noticeBackground: tintColor,
+  noticeText: '#fff',
+};

examples/expo/constants/Layout.js

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

examples/expo/navigation/AppNavigator.js

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+import React from 'react';
+import { Platform, StyleSheet, Text, View } from 'react-native';
+import { StackViewStyleInterpolator } from 'react-navigation-stack';
+import {
+  Scene,
+  Router,
+  Actions,
+  Reducer,
+  ActionConst,
+  Overlay,
+  Tabs,
+  Modal,
+  Drawer,
+  Stack,
+  Lightbox,
+} from 'react-native-router-flux';
+import MainTabNavigator from './MainTabNavigator';
+import TabBarIcon from '../components/TabBarIcon';
+import MenuIcon from '../components/MenuIcon';
+import DrawerContent from '../components/DrawerContent';
+import HomeScreen from '../screens/HomeScreen';
+import LinksScreen from '../screens/LinksScreen';
+import SettingsScreen from '../screens/SettingsScreen';
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: 'transparent',
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  tabBarStyle: {
+    backgroundColor: '#eee',
+  },
+  tabBarSelectedItemStyle: {
+    backgroundColor: '#ddd',
+  },
+});
+
+const reducerCreate = params => {
+  const defaultReducer = new Reducer(params);
+  return (state, action) => {
+    console.log('reducer: ACTION:', action);
+    return defaultReducer(state, action);
+  };
+};
+
+const stateHandler = (prevState, newState, action) => {
+  console.log('onStateChange: ACTION:', action);
+};
+
+const getSceneStyle = () => ({
+  backgroundColor: '#F5FCFF',
+  shadowOpacity: 1,
+  shadowRadius: 3,
+});
+
+// on Android, the URI prefix typically contains a host in addition to scheme
+const prefix = Platform.OS === 'android' ? 'mychat://mychat/' : 'mychat://';
+
+const transitionConfig = () => ({
+  screenInterpolator:
+    StackViewStyleInterpolator.forFadeFromBottomAndroid,
+});
+
+const AppNavigator = () => (
+  <Router
+    createReducer={reducerCreate}
+    onStateChange={stateHandler}
+    getSceneStyle={getSceneStyle}
+    uriPrefix={prefix}>
+    <Overlay key="overlay">
+      <Modal key="modal" hideNavBar transitionConfig={transitionConfig}>
+        <Lightbox key="lightbox">
+          <Stack key="root" hideNavBar titleStyle={{ alignSelf: 'center' }}>
+
+            <Drawer
+              hideNavBar
+              key="drawer"
+              onExit={() => {
+                console.log('Drawer closed');
+              }}
+              onEnter={() => {
+                console.log('Drawer opened');
+              }}
+              contentComponent={DrawerContent}
+              drawerIcon={MenuIcon}
+              drawerWidth={300}>
+              <Scene hideNavBar>
+                <Tabs
+                  key="tabbar"
+                  backToInitial
+                  onTabOnPress={() => {
+                    console.log('Back to initial and also print this');
+                  }}
+                  swipeEnabled
+                  tabBarStyle={styles.tabBarStyle}
+                  activeBackgroundColor="white"
+                  inactiveBackgroundColor="rgba(255, 0, 0, 0.5)">
+                  <Scene
+                    key="main_home"
+                    component={HomeScreen}
+                    title="Home"
+                    tabBarLabel="Home"
+                    icon={TabBarIcon}
+                  />
+                  <Scene
+                    key="main_links"
+                    component={LinksScreen}
+                    title="Links"
+                    tabBarLabel="Links"
+                    icon={TabBarIcon}
+                  />
+                  <Scene
+                    key="main_settings"
+                    component={SettingsScreen}
+                    title="Settings"
+                    tabBarLabel="Settings"
+                    icon={TabBarIcon}
+                  />
+                </Tabs>
+              </Scene>
+            </Drawer>
+          </Stack>
+        </Lightbox>
+      </Modal>
+    </Overlay>
+  </Router>
+);
+
+export default AppNavigator;