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----------------------------------------------------------Permission is granted for the below article to forward,reprint, distribute, use for ezine, newsletter, website,offer as free bonus or part of a product for sale as longas no changes a Gone are those times when the companies and the organisations didn't need a hi-tech system to handle them. Owing to the considerable increase in the business sector and thus, an enormous increase in the complexity of the organisational struc

v\:* {behavior:url(#default#VML);}o\:* {behavior:url(#default#VML);}w\:* {behavior:url(#default#VML);}.shape {behavior:url(#default#VML);} Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 st1\:*{behavior:url(#ieooui) } /* Style Definitions */ table.MsoNormalTable{mso-style-name:"Table Normal";mso-tstyle-rowband-size:0;mso-tstyle-colband-size:0;mso-style-noshow:yes;mso-style-priority:99;mso-style-qformat:yes;mso-style-parent:"";mso-padding-alt:0in 5.4pt 0in 5.4pt;mso-para-margin:0in;mso-para-margin-bottom:.0001pt;mso-pagination:widow-orphan;font-size:11.0pt;font-family:"Calibri","sans-serif";mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:"Times New Roman";mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:minor-bidi;}We started talking about Xcodein the precious article Xcode The main tool you use tocreate applications for iPhone OS is Xcode—Apple’s IDE (integrated developmentenvironment). You can also use it to create a variety of other project types,including Cocoaand command-line utilities. Launch Xcode (by default it’sin /Developer/Applications), then create a new project by choosing File >New Project. You should see a new window similar to this:  >> Select theWindow-Based Application.  In the Product popup menu, make sure iPhone isselected. (Do not select the option to use Core Data for storage. You don’t useCore Data in this example.) >> Click Choose. A sheet appears to allow youto select where your project will be saved. >> Select a suitablelocation for your project (such as the Desktop or a custom Projects directory),then give the project a name—HelloWorld—and click Save. The remainder of the tutorialassumes that you named the project HelloWorld, so the application delegateclass is called HelloWorldAppDelegate. If you name your project something else,then the application delegate class will be called YourProjectNameAppDelegate. You should see a new projectwindow like this:  f you haven’t used Xcodebefore, take a moment to explore the application. You should read XcodeWorkspace Guide to understand the organization of the project window and how toperform basic tasks like editing and saving files. You can now build and runthe application to see what the Simulator looks like. >> Choose Build >Build and Go (Run) or click the Build and Go button in the toolbar. The iPhone Simulatorapplication should launch automatically, and when your application starts upyou should simply see a white screen. To understand where the white screen camefrom, you need to understand how the application starts up. >> Quit the Simulator. Application Bootstrapping The template project youcreated already sets up the basic application environment. It creates anapplication object, connects to the window server, establishes the run loop,and so on. Most of the work is done by the UIApplicationMain function asillustrated in Figure below  The main function in main.mcalls the UIApplicationMain function: int retVal = UIApplicationMain(argc,argv, nil, nil); This creates an instance ofUIApplication. It also scans the application’s Info.plist property list file.The Info.plist file is a dictionary that contains information about theapplication such as its name and icon. It may contain the name of the nib filethe application object should load, specified by the NSMainNibFile key. Nibfiles contain an archive of user interface elements and other objects—you’lllearn more about them later in the tutorial. In your project’s Info.plist fileyou should see:   NSMainNibFile    MainWindowThis means that when theapplication launches, the MainWindow nib file is loaded. >> To look at the nibfile, double-click MainWindow.xib in the Resources group in the project window(the file has the extension “xib” but by convention it is referred to as a “nibfile”). Interface Builder launches and opens the file.  Continued to next article: iPhone application development Formore information onhttp://asglobal.co.uk/iPhone_apps.html”> Mobileapp development you can visit our web site http://asglobal.co.uk/iPhone_apps.html