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React Native Template Project

To improve quality of our work and delivery to clients the best products, we created the template based on our experience in mobile development, and now we can use it as a fundamental for further projects. We found out and combined the patterns and libraries to make a robust app that works properly on both platforms: Android and iOS.

Read article here

The template project interacts with Github API and contains user flows that coverage majority of use cases, such as:

Login List of items Detail Screen LogOut

Get Started

If you have not React Native installed, you can use this tutorial.

Use git clone to get project. Then go to the root folder of project and install all node modules using npm install command.

Run on Android

  1. You have to connect hardware device using ADB or run emulator.
  2. Invoke react-native run-android command.

Run on iOS

  1. You have to get Xcode installed on your machine.
  2. Invoke react-native run-ios command.

Project Description

  1. Architecture: Redux + saga https://github.com/redux-saga/redux-saga

  2. Project structure:

    • android
    • ios
    • node_modules
    • index.android.js
    • index.ios.js
    • …
    • app
    • actions
    • login-actions.js
    • sign-up-actions.js
    • …
    • components
    • Login.js
    • SignUp.js
    • …
    • reducers
    • loginReducer.js
    • signUpReducer.js
    • …
    • resources
    • strings.js
    • colors.js
    • dimens.js
    • styles.js
    • store
    • configureStore.js
    • api.js
    • app.js
    • const.js

  3. Code style: https://github.com/airbnb/javascript

  4. Navigator: https://reactnavigation.org/

  5. Strings localization: https://github.com/stefalda/ReactNativeLocalization

  6. Networking: rx-fetch + rxjs

  7. Maps: https://github.com/airbnb/react-native-maps

  8. Permissions: https://github.com/yonahforst/react-native-permissions

  9. Image picker: https://github.com/ivpusic/react-native-image-crop-picker

  10. OpenGL: https://github.com/ProjectSeptemberInc/gl-react-native

  11. Fabric: https://www.npmjs.com/package/react-native-fabric

  12. Icons: https://oblador.github.io/react-native-vector-icons/

  13. UI components: https://nativebase.io/

  14. Dialogs: https://www.npmjs.com/package/react-native-popup-dialog

  15. Antipatterns:

  • Do not use setState() in componentWillMount()
  • Do not perform any logic in render() function
  • Do not use indexes of an array as its keys
  • Do not validate forms with redux store
  • Do not perform any logic in reducers
  • Do not perform too much dispatches
  • Do not rely on JS single thread
  • Do not use x-index a lot
  • Do not use ListView, use FlatList instead
  • Remove console.log() calls
  • Do not use object literals in render()
  • Reduce render() function calls
  • Use InteractionManager.runAfterInteractions() to perform any hard stuff
  • Use requestAnimationFrame to perform animations
  • Extend React.PureComponent as much as possible
  • Use shouldRasterizeIOS
  • Use renderToHardwareTextureAndroid
  • Do not perform any logic in componentWillMount()
  • Use useNativeDriver
  • Don't use toJS() with immutable to avoid creation unnecessary object.

  1. Versioning: packadge.json - замораживаем версии библиотек на время жизни проекта.

  2. Use formatting tabulation of 2. Needs to be changed in WebStorm settings

  3. Add all component props to propTypes. It adds safety, shows you what props available, and allows IDEA/WebStorm to autocomplete them. https://facebook.github.io/react/docs/typechecking-with-proptypes.html

  4. Use redux-immutable to create immutable store. Redux FAQ: Immutable Data

    import { combineReducers } from 'redux-immutable';
import loginReducer from "../reducers/loginReducer";
import rootReducer from "../reducers/rootReducer";
import listReducer from "../reducers/listReduser";

const combinedReducers = combineReducers({
    root: rootReducer,
    login: loginReducer,
    list: listReducer,
});

    redux-persist can't work with immutable state. So, we have to use redux-persist-immutable.

    import { autoRehydrate, persistStore } from 'redux-persist-immutable'
import { applyMiddleware, compose, createStore } from "redux";
const sagaMiddleware = createSagaMiddleware();
const store = createStore(
    combinedReducers,
    initialState,
    compose(applyMiddleware(sagaMiddleware), autoRehydrate({log: true})));
persistStore(
    store,
    {
        storage: AsyncStorage,
        blacklist: ['root'],
    }
);