Book Image

RubyMotion iOS Development Essentials

By : Abhishek Nalwaya, Akshat Paul
Book Image

RubyMotion iOS Development Essentials

By: Abhishek Nalwaya, Akshat Paul

Overview of this book

RubyMotion is a revolutionary toolchain for iOS app development. With RubyMotion, you can quickly develop and test native iOS apps for the iPhone and iPad, combining the expressiveness and simplicity of Ruby with the power of the iOS SDK. "RubyMotion iOS Development Essentials" is a hands-on guide for developing iOS apps using RubyMotion. With RubyMotion, you can eliminate the complexity and confusion associated with the development of iOS applications using Objective-C. We'll begin from scratch. Starting by installing RubyMotion, we'll build ourselves up to developing an app that uses the various device capabilities iOS has to offer. What's more, we'll even learn how to launch your app on the App Store! We'll also learn to use iOS SDK classes to create application views. Discover how to use the camera, geolocation, gestures, and other device capabilities to create engaging, interactive apps. We'll develop stunning user interfaces faster with the XCode interface builder and make web apps by using WebView. We'll then augment applications with RubyMotion gems, doing more by writing less code and learn how to write test cases for RubyMotion projects. Finally, we'll understand the app submission process to push your app to Apple's App Store With "RubyMotion iOS Development Essentials", we will learn how to create iOS apps with ease. At the end of each chapter we will have a tangible and running app, which utilizes the concepts we have learnt in that chapter.
Table of Contents (19 chapters)
RubyMotion iOS Development Essentials
About the Authors
About the Reviewers


There are many types of bars available in the iOS SDK, such as a tab bar, navigation bar, toolbar, and status bar. These are UI elements that have been designed with explicit behavior and appearance. Although having bars is not mandatory in your application, it's advisable to add them as they make life easier for both developers and users alike. These bars provide common anchors to users of iOS devices who are familiar with the information they provide and the function they perform.

In this section, we will discuss the following types of bars in detail:

  • The tab bar

  • The navigation bar and toolbar

  • The status bar

The tab bar

A tab bar gives people the ability to switch between different subtasks, views, or modes. A tab bar is placed at the bottom of the screen, mainly at the footer section, which we can see in most of the popular iOS applications. Each tab in a tab bar has a separate view that can be used to initiate the navigation between your app's different modes, and it can also convey information...