Book Image

Mac Application Development by Example: Beginner's Guide

By : Robert Wiebe
Book Image

Mac Application Development by Example: Beginner's Guide

By: Robert Wiebe

Overview of this book

It's never been more important to have the ability to develop an App for Mac OS X. Whether it's a System Preference, a business app that accesses information in the Cloud, or an application that uses multi-touch or uses a camera, you will have a solid foundation in app development to get the job done.Mac Application Development by Example takes you through all the aspects of using the Xcode development tool to produce complete working apps that cover a broad range of topics. This comprehensive book on developing applications covers everything a beginner needs to know and demonstrates the concepts using examples that take advantage of some of the most interesting hardware and software features available.You will discover the fundamental aspects of OS X development while investigating innovative platform features to create a final product which take advantage of the unique aspects of OS X.Learn how to use Xcode tools to create and share Mac OS X apps. Explore numerous OS X features including iCloud, multi-touch trackpad, and the iSight camera.This book provides you with an illustrated and annotated guide to bring your idea to life using fundamental concepts that work on Mac.
Table of Contents (17 chapters)
Mac Application Development by Example Beginner's Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Time for action – writing the didSelect: program code


Once more we can jump right in and start writing the program code for this method as follows:

  1. Start by putting a comment in the NewDefaults.m file that describes the method in plain English as follows:

    /*
        The didSelect delegate method is called whenever
        the Preference Pane is displayed, even if the 
        System Preferences were not quit and relaunched
     */
  2. The method needs to match the interface from the NSPreferencePane.h file because it is a delegate method defined in that file as follows:

    - (void) didSelect
    {
    
    }
  3. Using the readDefaults:forKey: method get the current value for the Finder's hidden files key as an NSString object:

        // Read the current setting for 
        // Showing Hidden files in he Finder
        NSString *l_showHiddenFile = [self readDefaults: D_DOMAIN_FINDER forKey:kHiddenFileKey];
  4. Using the readDefaults:forKey: method gets the current value for the Docks springboard hide and springboard show keys as NSString objects as...