We try!'d Swift - Speaker Deck

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@ O R TA

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apps 1,700,000+

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We try!’d Swift

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¯\_(ツ)_/¯

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`\_(ツ)_/¯

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Problem

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Patterns

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RE-USE

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ARTSY SWIFT COMPONENTS

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JSON-POWERED COMPONENTS SPOTS / HUB

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REACT IN SWIFT KATANA

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POD VIEW CONTROLLERS

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REACT NATIVE

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Swift

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CONSISTENT EXCITING EVOLVING LEAST RESISTANCE KNOWN-UNKNOWN

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SLOW

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SLOW NOT BUILT FOR OUR APPS

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React

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593 DEPENDENCIES YOUNG CHANGING PRAGMATIC DEVS SEEN AS PANACEA

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BETTER CORE ABSTRACTIONS THAN UIKIT FOR API DRIVEN APPS

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BETTER LIBRARIES

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NATIVE STILL POSSIBLE

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HARD TO WRITE BLOCKING CODE

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SIMPLER LAYOUTING SYSTEM

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TESTING

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OPEN COMMUNICATION

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OPEN COMMUNICATION

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LEARN ONCE, WRITE EVERYWHERE

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OPEN SOURCE BY DEFAULT

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OPEN SOURCE BY DEFAULT

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A BIG DEPENDENCY

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React

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React Native

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React Native

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export default class ArtistHeader extends React.Component { }

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import React from "react" export default class ArtistHeader extends React.Component { }

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import React from "react" import { View } from "react-native" export default class ArtistHeader extends React.Component { render() { return } }

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import React from "react" import { View, Label } from "react-native" export default class ArtistHeader extends React.Component { render() { return ( Josef Albers b. 1888 ); } }

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import React from "react" import { View, Label } from "react-native" import Header from " ../components/header" export default class ArtistHeader extends React.Component { render() { return ( Josef Albers b. 1888 ); } }

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import React from "react" import { View, Label } from "react-native" import Relay from 'react-relay' import Header from " ../components/header" class ArtistHeader extends React.Component { render() { const artist = this.props.artist return ( {artist.name} {artist.year} ); } }

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{artist.name} {artist.year} ); } } export default Relay.createContainer(ArtistHeader, { fragments: { artist: () => Relay.QL` fragment on Artist { name year } `, } })

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{artist.name} {artist.year} ); } } export default Relay.createContainer(ArtistHeader, { fragments: { artist: () => Relay.QL` fragment on Artist { name year } `, } })

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{artist.name} {artist.year} ); } } export default Relay.createContainer(ArtistHeader, { fragments: { artist: () => Relay.QL` fragment on Artist { name year } `, } })

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class Biography extends React.Component { render() { const artist = this.props.artist if (!artist.blurb && !artist.bio) { return null } const bio = this.props.artist.bio.replace('born', 'b.') return ( Biography { this.blurb(artist) } {bio} ) } blurb(artist) { return artist.blurb ?

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: null } } const styles = StyleSheet.create({ blurb: { fontSize: 16, lineHeight: 20, marginBottom: 20 }, bio: { fontSize: 16, lineHeight: 20, marginBottom: 40 } }) export default Relay.createContainer(Biography, { fragments: { artist: () => Relay.QL` fragment on Artist { bio blurb } `, } })