Coding iPhone apps for kids a playful introduction to swift
Apple's Swift is a powerful, beginner-friendly programming language that anyone can use to make cool apps for the iPhone or iPad. In Coding iPhone Apps for Kids , you'll learn how to use Swift to write programs, even if you've never programmed before. You'll work in the Xcode pla...
| Otros Autores: | , |
|---|---|
| Formato: | Libro electrónico |
| Idioma: | Inglés |
| Publicado: |
San Francisco :
No Starch Press
[2017]
|
| Edición: | 1st edition |
| Materias: | |
| Ver en Biblioteca Universitat Ramon Llull: | https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009630121906719 |
Tabla de Contenidos:
- Intro
- Title Page
- Copyright Page
- About the Authors
- About the Technical Reviewer
- About the Illustrator
- Brief Contents
- Contents in Detail
- Acknowledgments
- Introduction
- Who Should Read This Book?
- What's in This Book?
- The Companion Website
- Have Fun!
- Part 1: Xcode and Swift
- 1 Hello, World!
- Installing Xcode, Your Code Editor
- Your First App!
- Introducing the Storyboard
- Adding User Interface Elements with the Object Library
- Saving Your Work
- Running the App on a Real Device
- What You Learned
- 2 Learning to Code in a Playground
- Constants and Variables
- When to Use Constants vs. Variables
- Naming Constants and Variables
- Data Types
- Declaring Data Types
- Common Data Types
- Type Inference
- Transforming Data Types with Casting
- Operators
- Order of Operations
- Ordering Operations with Parentheses
- Compound Assignment Operators
- What You Learned
- 3 Making Choices
- Boolean Expressions
- Is Equal and Is Not Equal
- Greater Than and Less Than
- Compound Boolean Expressions
- Conditional Statements
- if Statements
- switch Statements
- What You Learned
- 4 Writing Code That Loops
- Open the Debug Area
- Looping Through Ranges and Collections with for-in
- Say Hello!
- Say Good Morning!
- Testing Conditions with while Loops
- Guess My Number
- Shrink Away
- Which Loop to Use?
- Nesting and Scope
- Nesting Blocks of Code
- Constant and Variable Scope
- What You Learned
- 5 Keeping Your Programs Safe with Optionals
- What Is an Optional?
- Creating Optionals
- Unwrapping Optionals
- A Special Kind of Operator: ??
- What You Learned
- 6 Storing Collections in Dictionaries and Arrays
- Keeping Things in Order with Arrays
- Using Mutable and Immutable Arrays
- Using Type Inference
- Accessing Items in an Array
- Watching the Range.
- Adding Items to an Array
- Combining Arrays
- Removing Items from an Array
- Replacing Items in an Array
- Using Array Properties
- Looping Over an Array
- Dictionaries Are Key!
- Initializing a Dictionary
- Accessing Values in a Dictionary
- Adding Items to a Dictionary
- Removing Items from a Dictionary
- Replacing Items in a Dictionary
- Using Dictionary Properties
- Looping Over a Dictionary
- What You Learned
- 7 Functions are a Party, and You're Invited
- In with the Input, Out with the Output
- Writing a Custom Function
- Functions Do Even More with Input Parameters
- Making Party Invitations
- Inviting All Your Friends at Once
- Messaging Your Guests
- Argument Labels
- Adding a Custom Argument Label
- Removing an Argument Label
- Return Values
- Which Is the Bigger Box?
- Conditional Returns
- What You Learned
- 8 Custom Classes and Structs
- Making a Class
- Writing a Class Definition
- Storing Information in Properties
- Creating an Instance of a Class
- Accessing the Properties of a Class
- Customizing Each Cake with Initializers
- Adding a Birthday Greeting Method
- Writing a Helper Method
- A Special Property Called self
- Class Inheritance
- Creating a Superclass
- Creating a Subclass
- Detecting the Data Type by Typecasting
- Refining the Data Type by Downcasting
- Value Types and Reference Types
- Using Structs
- What You Learned
- Part 2: Birthday Tracker
- 9 Creating Buttons and Screens on the Storyboard
- An Outline of Your App
- Creating a New Xcode Project
- Adding the App Icon
- Displaying Your Friends' Birthdays
- Adding the Table View Controller
- Adding the Navigation Controller
- Adding a Button
- Setting Up Control Inputs and Labels
- Adding Your Friends' Names and Birthdays
- Making Your App Look Perfect on Every Device with Auto Layout.
- Adding Save and Cancel Buttons
- What You Learned
- 10 Adding a Birthday Class and Handling User Input
- The Birthday Class
- Creating a New File
- Writing the Birthday Class
- Programming User Input
- Creating the Add Birthday View Controller
- Connecting Code to the Input Controls
- Connecting Your Code to the Storyboard
- Setting a Maximum Birthdate
- Saving a Birthday
- Hooking Up the Save Button
- Reading Text from a Text Field
- Getting a Date from a Date Picker
- Creating a Birthday
- Adding the Cancel Button
- What You Learned
- 11 Displaying Birthdays
- Making the Birthday List
- Creating the Birthdays Table View Controller
- Adding Cells to the Table View
- Setting Up the Birthdays Table View Controller
- Displaying Birthdays in a Table View
- Putting It All Together
- Delegation
- Connecting the Two Controllers by Setting a Delegate
- What You Learned
- 12 Saving Birthdays
- Storing Birthdays in a Database
- The Birthday Entity
- The Birthday Attributes
- The Application Delegate
- Code Cleanup
- Adding More Features to Our App
- Alphabetizing Birthdays
- Removing Birthdays
- What You Learned
- 13 Getting Birthday Notifications
- The User Notifications Framework
- Registering for Local Notifications
- Scheduling a Notification
- Removing a Notification
- What You Learned
- Part 3: Schoolhouse Skateboarder
- 14 Setting the Stage
- Where Do I Get Art and Sound Effects?
- Making Games with Xcode's SpriteKit
- Creating the Game Project
- Adding Images
- The Scenery: Displaying a Background Image
- How It Will Be Played: Screen Orientation
- Sizing Images for Different Screen Resolutions
- What You Learned
- 15 Making Schoolhouse Skateboarder a Real Game
- Our Hero, the Skateboarder
- Creating a Skater Sprite Class
- Importing SpriteKit
- Adding Custom Properties to the Skater Class.
- Creating an Instance of the Skater in the Scene
- Setting Up the Skater
- Seeing the Skater on the Screen
- Understanding SpriteKit's Debugging Information
- Hittin' the Bricks
- Creating Sidewalk Bricks
- Updating Sidewalk Bricks
- Filling the Screen with Bricks
- Leaving Gaps to Jump
- The Game Loop
- Tracking the Update Time
- Calculating Elapsed Time for Each Update
- Adjusting Scroll Speed Using the Elapsed Time
- Updating the Bricks
- Up, Up, and Away-Making the Skater Jump
- Using a Tap Gesture Recognizer
- Simulating Gravity in a Simple Way
- Checking for Landings
- What You Learned
- 16 Using the Spritekit Physics Engine
- Setting Up the Physics World
- Physics Bodies
- Giving Shape to the Physics Bodies
- Setting Properties of Physics Bodies
- Giving the skater Sprite a Physics Body
- Adding Physics Bodies to Bricks
- Contacts and Collisions
- Handling Contacts and Collisions
- Responding to Contacts
- Applying Forces to Physics Bodies
- Starting and Ending the Game
- Starting the Game
- Ending the Game
- What You Learned
- 17 Adjusting Difficulty, Collecting Gems, and Keeping Score
- Speeding Things Up
- Adding Multilevel Platforms
- Defining Multiple Brick Levels
- Changing How Bricks Spawn
- Adding Gems to Collect
- Spawning and Tracking the Gems
- Deciding When to Spawn a Gem
- Removing Gems
- Updating Gems
- Collecting Gems
- Adding Scoring and Labels
- Creating Labels
- Tracking the Score
- Updating Labels
- Updating the Player's Score
- Making the Gems Valuable
- Tracking the High Score
- Tweaking the Gameplay
- What You Learned
- 18 Game State, Menus, Sounds, and Special Effects
- Tracking Game State
- Adding a Menu System
- Creating the MenuLayer Class
- Displaying the Menu Layers When Needed
- Removing the Menu Layer
- Making Sounds
- Adding the Sound Files.
- Playing the Sounds at the Right Time
- Shooting Sparks
- What You Learned
- Resources
- Troubleshooting Errors
- Apple Documentation
- Xcode Keyboard Shortcuts
- iOS Simulator Keyboard Shortcuts
- Xcode Versions
- Index.
