# React Native Intro

## 1. Api token
- rails gem: doorkeeper (https://github.com/doorkeeper-gem/doorkeeper)
- access token
- refresh token
- retryable
- identify non login user (devise ID)

## 2. Notification
- firebase
- ISO cert

## 3. App version update
- category like tool app OR not?
- force update
- hot update
- backend API version (maintan previous?)

## 4. Deep link (Universal link)
- in app browser support?
- not easy to handle every conditon
- ~~has exist SaaS service~~

## 5. Develop (javascript)
> O：Learn once write anywhere
> X：Write once, run anywhere

- should read `react doc` + `react native doc`
- asynchronous flow (localstorage、devise info、request api、promise, **best practice: redux-saga**)
- css line-style (flex base、**best practice: styled component**)
- screen routing not like web, like screen stack (handle gesture problem)
- Xcode is required (means need MAC)
- Code Signing (IOS develop team、pricing)
- handle multiple devise, not virtaul machine(iphone X, screen size, os version, camera, GPS, ...etc)
- handle library bugs (source code)
- handle user condition(network lose、network speed、trick、time locale)
- keep code quality
- weak support for animate、game
- React Native Debugger、Redux Devtools
- Using Graph QL?
- Apollo Data Fetcher
- Apollo Devtools
- design data schema

https://developer.apple.com/

## 6. Test
- React Component unit test
- React Story Book
- Rollbar error tracking

## 7. Release
- Fastlane (https://fastlane.tools/, write by ruby)
- Code Signing problem (IOS develop team)
- must be macOS system to build the IOS app
- release to TestFlight (like staging enviroment)

- Production
- english document
- provide testing account
- 2 weeks
- pricing

https://developer.apple.com/testflight/

> analytics: https://medium.com/swlh/top-11-mobile-app-analytics-platforms-pricing-included-cdc553578fd