WatchOS 2 App Development Essentials

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		watchOS 2 Apps – An Overview

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Table of Contents

1. watchOS 2 Apps – An Overview
   • What is a watchOS App?
   • WatchKit App or watchOS App?
   • WatchKit Apps and iOS Apps
   • The watchOS SDK Frameworks
   • The Key Components of a WatchKit App
   • Basic WatchKit App Structure
   • WatchKit App Entry Points
     
     
2. Building an Example watchOS 2 WatchKit App
   • Creating the WatchKit App Project
   • Designing the iOS App User Interface
   • Designing the WatchKit App Storyboard
   • Running the WatchKit App
   • Running the App on a Physical Apple Watch Device
   • Setting the Scene Title and Key Color
   • Adding App Icons to the Project
   • Summary
     
     
3. An Overview of the watchOS 2 App Architecture
   • Basic WatchKit App Architecture
   • WatchKit Interface Controllers
   • WatchKit Action Methods
   • WatchKit Outlets
   • WatchKit App State Transitions
   • The WatchKit Extension Delegate
   • The Lifecycle of an Interface Controller
   • WatchKit Extension Guidelines
     
     
4. An Example Interactive watchOS 2 App
   • About the Example App
   • Creating the TipCalcApp Project
   • Adding the WatchKit App Target
   • Designing the WatchKit App User Interface
   • Reviewing the Interface Controller Class
   • Establishing Outlet Connections
   • Establishing Action Connections
   • Implementing the sliderChange Action Method
   • Implementing the calculateTip Action Method
   • Hiding the Tip Label
   • Removing the WatchKit App
     
     
5. An Overview of WatchKit Tables in watchOS 2
   • The WatchKit Table
   • Table Row Controller
   • Row Controller Type
   • Table Row Initialization
   • Implementing a Table in a WatchKit App Scene
   • Adding the Row Controller Class to the Extension
   • Associating a Row Controller with a Row Controller Class
   • Creating Table Rows at Runtime
   • Inserting Table Rows
   • Removing Table Rows
   • Scrolling to a Specific Table Row
   • Summary
     
     
6. A watchOS 2 WatchKit Table Tutorial
   • About the Table Example
   • Creating the Table Project
   • Adding the Table to the Scene
   • Creating the Row Controller Class
   • Establishing the Outlets
   • Connecting the Table Outlet
   • Creating the Data
   • Adding the Image Files to the Project
   • Testing the WatchKit App
   • Adding a Title Row to the Table
   • Connecting the Outlet and Initializing the Second Table Row
     
     
7. Implementing watchOS 2 WatchKit Table Navigation
   • Table Navigation in WatchKit Apps
   • Performing a Scene Transition
   • Extending the TableDemoApp Project
   • Adding the Detail Scene to the Storyboard
   • Adding the Detail Interface Controller
   • Adding the Detail Data Array
   • Implementing the didSelectRow Method
   • Modifying the awakeWithContext Method
   • Adjusting the Interface Controller Insets
     
     
8. watchOS 2 Page-based User Interfaces and Modal Interface Controllers
   • The Elements of a Page-based WatchKit Interface
   • Associating Page Scenes
   • Managing Pages at Runtime
   • Modal Presentation of Interface Controllers
   • Modal Presentation in Code
   • Modal Presentation using Storyboard Segues
   • Passing Context Data During a Modal Segue
   • Summary
     
     
9. A watchOS 2 WatchKit Page-based Interface Tutorial
   • Creating the Page Example Project
   • Adding the Image Files to the Project
   • Designing the First Interface Controller Scene
   • Adding More Interface Controllers
   • Establishing the Segues
   • Assigning Interface Controllers
   • Adding the Timer Interface Controller
   • Adding the Modal Segues
   • Configuring the Context Data
   • Configuring the Timer
   • Playing the Haptic Effect
     
     
10. Handling User Input in a watchOS 2 WatchKit App
11. An Introduction to Watch Connectivity in watchOS 2
12. A watchOS 2 WatchConnectivity Messaging Tutorial
    • About the Project
    • Creating the Project
    • Enabling Audio Background Mode
    • Designing the iOS App User Interface
    • Establishing Outlets and Actions
    • Initializing Audio Playback
    • Implementing the Audio Control Methods
    • Initializing the iOS App Watch Connectivity Session
    • Designing the WatchKit App Scene
    • Initializing the WatchKit App Connectivity Session
    • Sending the Message to the iOS app
    • Handling the Message in the iOS app
    • Testing the Application
      
      
13. A watchOS 2 WatchKit Dynamic Layout and Animation Tutorial
    • Changing the Position of an Interface Object
    • Changing the Size of an Interface Object
    • Setting the Visibility of an Interface Object
    • Animating Interface Changes
    • An Animation Example
    • Designing the User Interface
    • Performing the Layout Changes and Animation
    • Testing the Animation
      
      
14. An Introduction to the watchOS 2 WatchKit WKInterfacePicker Object
    • An Overview of the WKInterfacePicker Object
    • Adding a Picker Object to a Storyboard Scene
    • Understanding Picker Object Attributes
    • Understanding Picker Object Styles
    • Creating Picker Item Objects
    • Setting the Currently Selected Item
    • Coordinating Animations
    • Requesting Focus for the Picker Object
    • Enabling and Disabling a Picker Object
    • Responding to Picker Changes
      
      
15. A watchOS 2 WatchKit Picker Tutorial
    • Creating the Picker Project
    • Designing the WatchKit App Scene
    • Implementing the Picker List Items
    • Implementing the Action Method
    • Testing the App
      
      
16. A WatchKit WKInterfacePicker Coordinated Animation Example
    • About the Coordinate Image Picker Project
    • Generating Radial Animations
    • Creating the Example Project
    • Designing the WatchKit App user Interface
    • Adding the Picker Image Sequences to the Project
    • Adding the Group Background Image Sequences to the Project
    • Implementing the Picker Animation Sequence
    • Configuring the Group Background Animation
    • Testing the App
      
      
17. Playing Movies and Audio on watchOS 2 using the WKInterfaceMovie Class
    • An Introduction to WKInterfaceMovie
    • Configuring a WKInterfaceMovie Instance
    • Directly Playing Content
    • Creating the WKInterfaceMovie Example
    • Designing the WatchKit App Scene
    • Adding the Video File to the Project
    • Configuring the Movie URL
    • Testing the App
      
      
18. A watchOS 2 WatchKit Audio Recording and Playback Example
    • The Audio Recording Controller
    • Launching the Audio Recording Controller
    • Using App Groups to Share Media File Access
    • The Audio Recording and Playback Tutorial
    • Designing the Main Storyboard Scene
    • Creating and Joining the App Group
    • Constructing the Save File URL
    • Implementing the Recording Code
    • Implementing the Playback Code
    • Testing the WatchKit App
      
      
19. A watchOS 2 Complication Tutorial
    • About the Complication Project
    • Creating the Complication Project
    • Configuring the Supported Complication Families
    • Adding the Data and Image to the Data Source
    • Implementing the Placeholder Delegate Method
    • Configuring Travel Directions
    • Adding a Timeline Entry Creation Method
    • Specifying the Timeline Start and End Dates
    • Providing the Current Timeline Entry
    • Providing the Remaining Timeline Entries
    • Adding the Complication to a Clock Face
    • Testing the Complication
      
      

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	Table of Contents	Next
		watchOS 2 Apps – An Overview