By Duncan Campbell
With a wealthy set of over 1,000 new APIs, iPhone SDK for iPhone OS three presents an awesome diversity of applied sciences to reinforce the performance of iPhone and iPod contact purposes. This ebook takes an introductory examine Objective-C and Cocoa sooner than relocating directly to the instruments you will use to create iPhone functions. beginning with universal and projects and UI components, the booklet covers utilizing tabs and tables, documents and networking, the multi-touch show, and the integrated GPS hardware.This publication will entice either present builders desiring to appreciate and replace their apps to the iPhone OS 3.0 and for these builders simply beginning out who want a entire educational and connection with the iPhone SDK three.
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With a wealthy set of over 1,000 new APIs, iPhone SDK for iPhone OS three offers an grand diversity of applied sciences to reinforce the performance of iPhone and iPod contact functions. This booklet takes an introductory examine Objective-C and Cocoa ahead of relocating directly to the instruments you are going to use to create iPhone purposes.
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Choose Project > New Smart Group > Simple Regular Expression Smart Group. 2. (png|gif|jpg|tif)$. 12 Settings for the XIB Files smart group. 13 shows the completed group definition. You should now see this group at the bottom of your Groups & Files list. Any image files you add to your project will automatically be shown here. 13 The completed smart group settings. 14 The Overview menu showing the current build settings for the application. Overview—Shows you the current build settings for your application.
About the Xcode IDE Finally, pressing Option+Command+O causes the current file to open in its own window. To quickly open files in your project from the keyboard, you can use the Open Quickly dialog box (Shift+Command+D), which lets you start typing to find the filename. 22). 21 The editor pane with all other panes collapsed. 22 Quickly find and open files in your projects. 23 Adding external files to your projects. 24 The Xcode editor pane with a breakpoint set. 23). It’s advisable to always select this option and to use the default reference type.
Finally, you can also use the dateFormat property of a date formatter to manually set a style: NSDate *now = [NSDate date]; NSDateFormatter *formatter = [[NSDateFormatter alloc] init]; [formatter setDateFormat: @”yyyy-mm-dd”]; NSString *friendlyDate = [formatter stringFromDate:now]; ✔✔Tip ■■ See the “Date Formatters” section of the Data Formatting Programming Guide for Cocoa in the developer documentation for a complete list of available format strings. 2 Predefined NSDateFormatter styles St yle Description NSDateFormatterNoStyle The default style if none is specified.
iPhone SDK 3: Visual QuickStart Guide by Duncan Campbell