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Bring your apps to the big screen 📺
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Boris Bügling
October 30, 2015
Programming
1
550
Bring your apps to the big screen 📺
An introduction to building tvOS apps, given at Swift Summit SF 2015.
Boris Bügling
October 30, 2015
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Transcript
BRING YOUR APP TO THE BIG SCREEN SWIFT SUMMIT, OCTOBER
2015 BORIS BÜGLING - @NEONACHO
None
COCOAPODS
CONTENTFUL
None
None
“‘I’d like to create an integrated television set that is
completely easy to use,’ he told me. [...] ‘It will have the simplest user interface you could imagine. I finally cracked it.’”
OCTOBER 21, 2011
SEPTEMBER 9, 2015
None
None
The future of TV is iOS
Accelerate AudioToolbox AudioUnit AVFoundation AVKit CFNetwork CloudKit CoreBluetooth CoreData CoreFoundation
CoreGraphics
CoreImage CoreLocation CoreMedia CoreSpotlight CoreText CoreVideo Darwin Foundation GameController GameKit
GameplayKit
GLKit ImageIO MachO MediaAccessibility MediaPlayer MediaToolbox Metal MetalKit MetalPerformanceShaders MobileCoreServices
ModelIO OpenGLES SceneKit Security simd SpriteKit StoreKit Swift Standard Library
SystemConfiguration UIKit
WEBKIT
MULTIPEERCONNE CTIVITY
PORTING EXISTING APPS
COCOAPODS ▸ Supports tvOS since 0.39.0 ▸ New platform: platform
:tvos, '9.0'
PODS SUPPORTING TVOS ["AFNetworking","Alamofire","CocoaLumberjack","SwiftyJSON","Charts", "Quick","Bolts","SnapKit","RxBlocking","RxCocoa","RxSwift","Nimble", "Argo","UICKeyChainStore","AsyncSwift","DTFoundation","Sync", "KeychainAccess","upnpx","AlamofireImage"] If you are
adventurous ! https://github.com/orta/cocoapods-expert-difficulty
SPRITEKIT EXAMPLE
DOOM CLASSIC ▸ UIKit changes (UIAlertView, UISlider) ▸ AudioSession isn't
available ▸ Newer C++ compiler
NIBS ! If you feel like copy-pasting stuff between NIBs
! https://github.com/neonichu/DOOM-IOS2/tree/tvos
STORAGE LIMITATIONS ▸ app is limited to 200 MB ▸
500 KB of persistent storage (NSUserDefaults) ▸ Use iCloud ▸ Use On-Demand resources
NO DIRECT MANIPULATION
FOCUS ENGINE UIButton().canBecomeFocused() // == true or false UIButton().focused //
== true or false UIScreen.mainScreen().focusedView // nil or the view in focus
REACTING TO FOCUS CHANGES func didUpdateFocusInContext(context: UIFocusUpdateContext, withAnimationCoordinator coordinator: UIFocusAnimationCoordinator)
context.nextFocusedView // the view which gets the focus context.previouslyFocusedView // the view which had the focus func addCoordinatedAnimations(_ animations: (() -> Void)?, completion completion: (() -> Void)?)
DEMO
SIRI?
GAME CONTROLLERS
None
NSNotificationCenter.defaultCenter().addObserverForName(GCControllerDidConnectNotification, object: nil, queue: nil) { (note) in if let
controller = note.object as? GCController { if let microPad = controller.microGamepad { microPad.dpad.valueChangedHandler = { (_, x, y) in if let paddle = self.childNodeWithName("Paddle") { paddle.position.y += CGFloat(y) } } } } }
GAME CONTROLLERS WORK WITH UIKIT COMPONENTS
SIRI REMOTE IS ALSO A GAME CONTROLLER ▸ Profile GCMicroGamepad
▸ Touch surface is a dpad ▸ Two action buttons ▸ Motion (GCMotion) ▸ Seems not to work in the simulator
2.27 If your app’s core functionality doesn’t work with the
Siri remote it will be rejected. The app may, however, provide enhanced functionality in connection with a game controller or other peripheral
A maximum of two game controllers (plus one remote) can
be connected to an Apple TV at any given time.
DEMO
TVML
APP REVIEW !
CONCLUSION ▸ tvOS works very well ▸ If you know
UIKit, it's easy to start ▸ Think about interaction
RESOURCES ▸ https://developer.apple.com/tvos/human-interface-guidelines/ ▸ "Ich glotz TV", @avbelow, Macoun 2015
▸ https://github.com/contentful/tvful ▸ http://nerds.airbnb.com/tvos-focus-engine/ ▸ https://eternalstorms.wordpress.com/2015/10/05/pair-the-apple- tv-developer-kit-siri-remote-with-xcodes-simulator/
THANKS!
@NeoNacho boris@contentful.com http://buegling.com/talks