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 – implementing the program code for the pop-up menu


Now, we need to handle the user interaction with the pop-up menu so that the Global Currency App updates the table view when the user selects a currency code from the menu.

  1. In Xcode, click on the file named BTSAppDelegate.h in the project navigator and add the following interface method definition:

    // Handle the Pop Up Menu selection
    - (IBAction)selectToCurrency:(id)a_sender;
  2. Click on the file named BTSAppDelegate.m in the project navigator and add the following method implementation stub:

    // This method will be invoked whenever a currency
    // code is selected from the Pop Up Menu
    - (IBAction)selectToCurrency:(id)a_sender
    {
        
            NSBeep();
    }
  3. Click on the file named MainMenu.xib in the project navigator.

  4. Right-click on the pop-up menu and drag to the App Delegate object and release the mouse button.

  5. When the Received Actions item is displayed, select selectToCurrency:.

  6. Click the Run button to run the project.

  7. Select any currency...