The document discusses the use of React Native for mobile app development, highlighting pros like instant reload and code reuse, as well as cons including performance issues. It outlines requirements for setup and development environments for both iOS and Android. Additionally, it mentions future improvements expected in React Native, such as a new asset system and enhanced developer tools.

1. AlexeyVolkov
Rumble News,Tel Aviv
React Native.
Introduction

2. What’s your problem?

3. http://www.ft86club.com/forums/showthread.php?p=2064659

5. Cons:
• Speed of development
• Size of team -➤ cost

7. Cons:
• Application performance
• “Write once…” is utopia
• Same approaches to deal
with UI

8. propertycross.com

10. React DOM React Native

12. Facebook Ads Manager
iOS - 7 engineers - 5 months
Android (after iOS) - same 7 engineers - 3 months
87% (!) code reuse

13. Pros:
1. Build & install on every change
Instant reload
2. Different environments for each platform
Single environment for multiple platforms
3. Imperative APIs
Declarative APIs

14. Requirements:
• OSX
• Homebrew
(to install nvm, watchman and flow)
• Node.js 4.0 nvm install node && nvm alias default node
• Xcode 6.3+ / Android Studio
• iOS 7+ / Android 5.1.1 (API 22)
• npm install -g react-native-cli
• react-native init BlaBlaProject

15. Let the fun begin!

16. iOS & Android: two ways to differentiate
if (Platform.OS === ‘android’) {
// Android
} else if (Platform.OS === ‘ios’) {
// iOS
} else {
// Who knows?
}
SearchScreen.ios.js
SearchScreen.android.js

17. Hybrid apps support

18. What’s next?
1. New asset system
2. Better developer tooling
3. More Android modules

19. facebook.github.io/react-native/

20. ReactNative.com

21. AppHub.io
React Native Playground

22. • awesome-react-native
github.com/jondot/awesome-react-native
• “An iOS Developer on React Native”
goo.gl/6rxAzx

23. Questions?