What’s New in TVMLKit

WWDC 2018

Web Inspector Enhancement

• Toggle Event Listeners

• Image Network Resources

• Safari technology preview
• Using Web Inspector with tvOS Apps ( WWDC 2017 )

Data Binding

• Transformation of data to UI elements
• Separation of layout and application logic
• Reduces JavaScript code

Binding keys

• Attribute

• Text Content

• Items

• Children ( new )
  - Generic form of item binding
  - Generates children of any element
  - Works like items binding

• Fragment ( new )
  - Invisible element to help compartmentalize DOM
  - Children of a fragment are visible
  - Work with children binding

• Rules ( new )
  - Refinement of UI based on data states
  - Invisible element
  - Operates on sibling elements

Customizing Playback

• Works with all playback experiences
• Provide TVPlayer and UIViewController
• Close analogue to TVMLKit JS APIs

• Limited JavaScript Bridge

TVPlayer

• Public AVPlayer adaptor to Playback Pipeline
• Dispatch custom events to JavaScript
• KVO properties for changes from JavaScript
• Sequential playlist

Playback User Interface

• Implement your own playback UI

Caveats

• Handle “should” events yourself

• Use AVContentKeySession for secure key loading
  - Advanced in HTTP Live Streaming ( WWDC 2017 )
  - AVContentKeySession Best Practice ( WWDC 2018 )
• Bring your own additional UI