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  • Book Overview & Buying Mac Application Development by Example: Beginner's Guide
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Mac Application Development by Example: Beginner's Guide

Mac Application Development by Example: Beginner's Guide

By : Robert Wiebe
3.5 (2)
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Mac Application Development by Example: Beginner's Guide

Mac Application Development by Example: Beginner's Guide

3.5 (2)
By: Robert Wiebe
Buy this Book

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)
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Mac Application Development by Example Beginner's Guide
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Mac Application Development by Example Beginner's Guide
Credits
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Credits
About the Author
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About the Author
About the Reviewers
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About the Reviewers
www.PacktPub.com
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www.PacktPub.com
Preface
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Preface
Lock Free Chapter
1
Our First Program – SimpleCalc
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Our First Program – SimpleCalc
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Locating developer tools
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Time for action - Installing the Xcode App
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Working with projects
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Time for action - creating the SimpleCalc Xcode project
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Understanding the Xcode project template
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Time for action – examine the items in the project navigator
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Configuring an Xcode project
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Time for action - configuring the SimpleCalc Xcode project
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Running an App
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Time for action – run the SimpleCalc App
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Customizing an Xcode template's interface
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Time for action – creating the SimpleCalc interface
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Customizing an Xcode template's implementation
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Time for action – implement the SimpleCalc behavior
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Building an App
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Time for action – building and installing the SimpleCalc App
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Summary
2
Debugger – Finding and Fixing Problems
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Debugger – Finding and Fixing Problems
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The Debug area in Xcode
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Time for action – displaying the Debug area in Xcode
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The Debug area appears on its own
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Time for action - integer division by zero
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Examining variable values in the debugger
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Time for action – examining a variable value
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Unexpected App behavior – no debugger?
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Time for action – index out of range
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Using breakpoints to get more information from Xcode
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Time for action – set a breakpoint
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Summary
3
System Preferences – NewDefaults
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System Preferences – NewDefaults
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Understanding preference panes
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The transition to 64 bit from 32 bit
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Creating an Xcode preference pane project
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Time for action – creating the NewDefaults Xcode project
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Configuring an Xcode preference pane project
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Time for action – customizing the icon and copyright
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Customizing the preference pane template interface
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Time for action – creating the NewDefaults interface
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Customizing the preference pane Xcode template's .h implementation
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Time for action – completing the NewDefaults.h interface definition
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Customizing the preference pane Xcode template's .m implementation
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Time for action – completing the NewDefaults.m implementation
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Time for action – writing the readDefaults:forKey: program code
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Time for action – writing the didSelect: program code
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Time for action – writing the myButtonAction: program code
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Summary
4
Business Application – Global Currency Converter
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Business Application – Global Currency Converter
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Designing the GUI for global currency converter
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Time for action – creating our project and GUI
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Connecting the GUI to program elements
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Time for action – connecting the App Delegate to the GUI
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What is an XML file?
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Format of the XML file we will download
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Time for action – downloading an XML file
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Parsing an XML document
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Time for action – parsing the XML Document
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How to invoke a background thread
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Time for action – invoking a background thread
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Managing a pop-up menu
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Time for action – implementing the program code for the pop-up menu
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Creating the Table View Interface
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Time for action – configuring the table view in Interface Builder
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Creating the table view implementation
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Time for action – implementing the dataSource and delegate
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Summary
5
Personal Information – Numbers in the iCloud
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Personal Information – Numbers in the iCloud
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What is iCloud?
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Installing an iCloud enabled development profile
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Time for action – creating and installing an iCloud enabled development profile
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Designing the GUI for numbers in the cloud
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Time for action – creating our project and GUI
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Connecting the GUI to program elements
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Time for action – connecting the App Delegate to the GUI
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Using two tables in one window
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Time for action – implementing the TableView delegate
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Implementing the toolbar
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Time for action – implementing the Toolbar delegate
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Accessing iCloud
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Time for action – accessing iCloud for key-value storage
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Summary
6
Painting – Multi-finger Paint
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Painting – Multi-finger Paint
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What is multi-touch?
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Implementing a custom view
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Time for action – creating a GUI with a custom view
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How to receive multi-touch events
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Time for action – drawing our fingers
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How to manage the mouse cursor
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Time for action – detaching the mouse cursor from the mouse hardware
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Performing 2D drawing in a custom view
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Time for action – drawing the active strokes
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Saving strokes
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Time for action – saving the strokes
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How to receive gesture events
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Time for action – handling rotate gestures
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Summary
7
Capturing Still Images – iSight iMage cApture App
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Capturing Still Images – iSight iMage cApture App
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What is Image Kit?
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Adding framework to a project
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Time for action – creating a project and adding the Quartz framework
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Browsing images
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Time for action – implementing the interface for browsing our pictures folder
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Time for action – implementing the methods for browsing our Pictures folder
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Capturing and saving images
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Time for action – capturing and saving images
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Modifying the behavior of the Picture Taker
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Time for action – drawing our fingers
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Deleting images
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Time for action – deleting an image
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Summary
8
Video Recording – iSight Recorder
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Video Recording – iSight Recorder
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What is Quicktime Kit Capture?
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Previewing the video capture
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Time for action – creating a project and adding the program code to preview video and audio
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Capturing a single frame as a still image
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Time for action – capturing a frame
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Previewing audio capture
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Time for action – capturing and saving images
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Capturing a movie to disk
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Time for action – capturing a Quicktime movie
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Capturing compressed movies to disk
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Time for action – saving a compressed movie
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Summary
9
Video Recording – Full Screen iSight Recorder
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Video Recording – Full Screen iSight Recorder
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What is the full screen mode?
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Enabling the full screen mode
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Time for action – enabling full screen mode in iSight Recorder
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Disabling auto layout
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Time for action – using the traditional layout model
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Modifying our user interface to take advantage of full screen
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Time for action – refining how we enter and exit full screen
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Time for action – refining text colors
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Time for action – refining controls using fading
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Customizing the full screen window size
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Time for action – adding a full screen window that has depth
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Customizing the full screen animation
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Time for action – customizing the full screen animation
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Summary
10
Sharing Our App with Others – Becoming a Mac Developer
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Sharing Our App with Others – Becoming a Mac Developer
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What is the Mac developer program?
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What are the benefits of joining the Mac developer program?
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The opportunity to join a paid developer program
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Step by step developer program sign up
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Time for action – joining the Mac developer program
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More developer tools
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Time for action – accessing the online developer tools
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What is code signing?
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What is Gatekeeper?
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Signing an App with a Developer ID
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Time for action – signing an App with our Developer ID
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Summary
1
Index
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Index

Time for action - configuring the SimpleCalc Xcode project

To change the Mac OS X deployment target for our project we need to do the following:

  1. In the project navigator, click the folder icon to show the project navigator.
  2. In the project navigator, click on the very top item, just under the icons, named SimpleCalc.
  3. Under PROJECT, click on SimpleCalc.
  4. Under Deployment Target, click on the drop-down menu beside Mac OS X Deployment Target and select the oldest version of Mac OS X on which we want our App to run as shown in the following screenshot:
    Time for action - configuring the SimpleCalc Xcode project
  5. Change TARGETS setting for the Organization of the Project Document to our name or the name of our company as shown in the following screenshot:
    Time for action - configuring the SimpleCalc Xcode project
  6. Before we continue to configure our Xcode target, we need to take a small detour and create an App Icon. We are going to need our App Icon as part of the process of configuring an Xcode target.
  7. The first thing we need to do is create the icon. We can do this in any image editing program, from Illustrator, to Photoshop, to Gimp. The program that we use does not matter. What matters is that the image has a transparent background and that the image size is 512 x 512 pixels. We need to export our image in PNG format and it may look like the following image, which has been created in Photoshop Elements:
    Time for action - configuring the SimpleCalc Xcode project

    Note

    Apple recommends we create App Icon images in a variety of different sizes ranging from 16 x 16 to 1024 x 1024. If we were building an App to deploy in the App Store, we would create more than a single 512 x 512 icon but for our SimpleCalc App a single icon is all we need.

  8. Once we have the image that we want to use as our icon, we need to save it in a folder named SimpleCalc.iconset with the name icon_512x512.png.

    Note

    The filename must be exact. If you name it anything other than icon_512x512.png the icon will not be correctly updated and you will see a generic icon instead of your App Icon.

    Time for action - configuring the SimpleCalc Xcode project
  9. Once we have our PNG image saved in the iconset folder, we simply drag that folder to the App Icon section of our project target and Xcode will automatically convert it to a suitable .icns file as shown in the following screenshot:
    Time for action - configuring the SimpleCalc Xcode project
  10. Because we have not provided all the required image sizes, Xcode will warn us that some image sizes are missing. For the purposes of our SimpleCalc App we can ignore these warnings but if we planned to deploy our App to the Mac OS X App Store we would create a PNG file for each required icon size and place it in our iconset folder prior to dragging the folder in to the App Icon section of the Target as shown in the following screenshot:
    Time for action - configuring the SimpleCalc Xcode project

What just happened?

When we set up the Deployment Target and App Icon, we made changes to our Xcode project. Xcode will use those changes and apply them to the App when we build it so that the App is ready to run on the versions of Mac OS X that we need and the Finder will display our unique icon to identify our App on the desktop.

Have a go hero – make your own icon

Create your own 512 x 512 bitmapped image, save it in .png format, and put it in the iconset folder for the SimpleCalc App. You can use any image editing software that you like. You may want to create all of the required image sizes so that you don't get warnings from Xcode. The following screenshot shows the images of all required sizes present in the SimpleCals.iconset folder:

Have a go hero – make your own icon

If you need a free bitmap editor take a look at Gimp for Mac OS X:

http://www.gimp.org/downloads/

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