React Native on tvOS - Speaker Deck

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React Native on tvOS by Neil Kimmett

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!"#$%&'()*

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Plan • hi • Build grid view in RN • Wrap grid in tvOS tab bar • Add a native search tab • bye ✌

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hi @neilkimmett kimmett.me mobile dev since 2011

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boilerroom.tv

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RN on tvOS Basics • mostly the same as iOS • input with remote, not touch • a little rough around the edges

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Lets write some code! grid view, which shows you current selected item

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FlatList App Card Title of talk Speaker Name

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FlatList App Card Title of talk Speaker Name

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Navigation in tvOS • UIViewController • UINavigationController • UITabBarController

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UITabBarController on iOS

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UITabBarController on iOS

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UITabBarController • owns a list of UIViewControllers, one for each tab • each UIViewController owns a UITabBarItem it uses to describe it's tab in the tab bar

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Navigation libraries - react-navigation JS reimplementation of navigation - airbnb/native-navigation Swift native navigation (beta) - wix/react-native-navigation “a complete native navigation solution”

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TabBarIOS

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TabBarIOS // ur dope content

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FlatList App Card

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App TabBarIOS TabBarIOS.Item

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App TabBarIOS TabBarIOS.Item

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App TabBarIOS Search

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Objective-C !

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JS vs ObjC var mittens = new Cat(); Cat *mittens = [[Cat alloc] init];

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JS vs ObjC var mittens = new Cat(“Mittens”); Cat *mittens = [[Cat alloc] initWithName:@“Mittens”];

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JS vs ObjC @interface Cat : Animal @property NSString *name; - (instancetype)initWithName:(NSString *)name; @end

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JS vs ObjC @interface Cat : Animal @property NSString *name; - (Cat *)initWithName:(NSString *)name; @end

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JS vs ObjC @implementation Cat - (void)throwBall:(Ball *)ball toFriend:(Person *)friend { // … } @end

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JS vs ObjC mittens.throw(ball, friend); [mittens throwBall:ball toFriend:friend];

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Native components • inherit from UIView • paired with a Manager class to expose to React https://facebook.github.io/react-native/docs/native-components-ios.html

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Native components import { requireNativeComponent } from ‘react-native’; var Map = requireNativeComponent('Map', null); https://facebook.github.io/react-native/docs/native-components-ios.html

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App TabBarIOS Search

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App TabBarIOS NKSearchComponent

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TabBarIOS NKSearchComponent SearchResults

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UISearchController

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UISearchController

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UISearchController - searchResultsController a UIViewController - searchResultsUpdater some

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UISearchContainerController UISearchController TabBarIOS NKSearchComponent NKSearchResultsVC SearchResults

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TabBarIOS NKSearchComponent UISearchContainerController UISearchController NKSearchResultsVC SearchResults

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Recap • hi • Build grid view in RN • Wrap grid in tvOS tab bar • Add a native search tab • bye ✌

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bye ✌ @neilkimmett [email protected]