RubyMotion iOS Develoment Essentials电子书

RubyMotion iOS Development Essentials

Table of Contents

RubyMotion iOS Development Essentials

Credits

About the Authors

Acknowledgement

About the Reviewers

www.PacktPub.com

Support files, eBooks, discount offers and more

Why Subscribe?

Free Access for Packt account holders

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

1. Getting Ready for RubyMotion

How can I develop an iOS application?

Native apps using Objective-C

Mobile web applications

Hybrid applications

What is RubyMotion?

Why RubyMotion?

If you are not an Objective-C fan

It is not a bridge

Managed memory

Terminal-based workflow

Easy debugging with REPL

It is extendable

Debugging and testing

Pop quiz

RubyMotion installation – furnish your environment

Prerequisites for RubyMotion

Installing RubyMotion

Update RubyMotion

How do we check we've done everything correctly?

Pick your own editor – you are not forced to use Xcode

How to get help

FAQs

Summary

2. Instant Gratification – Your First Application

Your first application

Folder structure

Some more goodies

Let's understand the code

Exploring the command line

Motion command – one-stopshop

Rake tasks – get things done fast

Rake file – configuring your application

REPL – the interactive console

Debugger – catch your mistakes!

How to start debugging

While testing on a simulator

While testing on a device

Entering commands before starting

Breakpoint

Listing breakpoints

Moving between the different breakpoints

Checking the value of a local variable

Checking the value of an instance variable

Disable breakpoint

Exit debugger

Summary

3. Evolution – From Objective-C to RubyMotion

Ruby and Objective-C – a partnership

Ruby and Objective-C share the same ancestor

Interfacing with C and Objective-C

Types

Enumerations and constants

Functions

Structures

Pointers

Classes

Objective-C messages

RubyMotion selectors

Memory management

Summary

4. Mastering MVC Paradigm

Model-View-Controller (MVC)

Model

View

Controller

The restaurant application

Creating a model

Writing more code

Restaurant controller

Restaurant view

Connecting to an external API

Search restaurant by city

What just happened

Picture speaks louder than words

Play time

Summary

5. User Interface – Cosmetics for Your App

Bars

The tab bar

Customizing the tab bar

The navigation bar

Customizing the navigation bar

The status bar

Basic UI elements

Label

Textfield

Switch button

Slider

Button

Picker view

Hands-on – add a Restro Application

Summary

6. Device Capability – Power Unleashed

Camera – smile please!

Camera example

Understanding the Camera code

Location Manager – directions for apps

Location Manager example

Gestures – non-verbal communication

Gesture example

Do it yourself

Core Data – manage your data

Core Data example

Creating an employee

Deleting the employee

Address Book – manage your contacts

Do it yourself

Task 1 – show nearest restaurant

Task 2 – mark each restaurant on a map with a pin

Summary

7. Interface Builder and WebView – More Goodies!

Interface Builder

Let's try the Interface Builder

.xib to RubyMotion

UIWebView – embed web content

Summary

8. Testing – Let's Fail Gracefully

Unit testing

Functional testing

Device events

Rotate device

Accelerometer device event

Gestures

Tap

Flick

Pinch open

Pinch close

Drag

Rotation

Summary

9. Creating a Game

Cocos2D

Let's create a game – Whac-A-Mole

Let's start coding!

Adding motion to moles

Adding touch events to the game

Adding scores

Games without any sounds are boring — let's add some sound

Summary

10. Getting Ready for the App Store

Generating certificates

Do it yourself

Provisioning profile

App ID

Adding devices

Developer Provisioning Profile

Do it yourself

Setting up the RubyMotion project

Entitlements

Info.plist settings

Building icons

Configuring your application

Installing on a device

iTunes Connect

Creating bundles for submission

Summary

11. Extending RubyMotion

RubyMotion gems

Teacup – say goodbye to Xcode and XIB files!

BubbleWrap – making Cocoa APIs more Ruby-like

motion-addressbook – access phonebook easily

CocoaPods – managing Objective-C libraries

Installing CocoaPods with RubyMotion

Summary

What next?

Index