User contributions
31 March 2011
The Anatomy of an iPhone 4 (iOS 4 Xcode 4)
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About iPhone iOS 4 App Development Essentials - Xcode 4 Edition
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IPhone iOS 4 Development Essentials Xcode 4 Edition
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The Anatomy of an iPhone 4 (iOS 4 Xcode 4)
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IPhone iOS 4 Development Essentials Xcode 4 Edition
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IPhone iOS 4 Development Essentials Xcode 4 Edition
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IPhone iOS 4 Development Essentials Xcode 4 Edition
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IPhone iOS 4 Development Essentials Xcode 4 Edition
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IPhone iOS 4 Development Essentials Xcode 4 Edition
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IPhone iOS 4 Development Essentials Xcode 4 Edition
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Detecting when an iOS 4 iPhone Headphone or Docking Connector is Unplugged (Xcode 4)
New page: The iPhone provides three options for the playback of audio. These consist of the built-in speakers, a connection to the headphone socket or via a device attached to the docking connector....
IPhone iOS 4 Development Essentials Xcode 4 Edition
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File:Xcode 4 record ui.jpg
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Recording Audio on an iOS 4 iPhone with AVAudioRecorder (Xcode 4)
New page: In addition to audio playback, the iOS AV Foundation framework provides the ability to record sound on the iPhone using the AVAudioRecorder class. This chapter will work step-by-step throu...
IPhone iOS 4 Development Essentials Xcode 4 Edition
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Playing Audio on an iOS 4 iPhone using AVAudioPlayer (Xcode 4)
New page: The iOS 4 SDK provides a number of mechanisms for implementing audio playback from within an iPhone application. The easiest technique from the perspective of the application developer is ...
IPhone iOS 4 Development Essentials Xcode 4 Edition
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30 March 2011
IPhone iOS 4 Development Essentials Xcode 4 Edition
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Video Playback from within an iOS 4 iPhone Application (Xcode 4)
New page: Whilst the iPhone 3GS model introduced support for recording videos using the built in camera, all iPhone models and iOS versions have included support for video playback. Video playback s...
IPhone iOS 4 Development Essentials Xcode 4 Edition
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File:Xcode 4 camera ui.jpg
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An Example iOS 4 iPhone Camera Application (Xcode 4)
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An Example iOS 4 iPhone Camera Application (Xcode 4)
New page: In the chapter entitled Accessing the iPhone Camera and Photo Library we looked in some detail at the steps necessary to provide...
IPhone iOS 4 Development Essentials Xcode 4 Edition
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Accessing the iPhone Camera and Photo Library (Xcode 4)
New page: The iOS 4 SDK provides access to both the iPhone camera device and photo library through the UIImagePickerController class. This allows videos and photographs to be taken from within an iP...
IPhone iOS 4 Development Essentials Xcode 4 Edition
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IPhone iOS 4 Development Essentials Xcode 4 Edition
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File:Xcode 4 location ui.jpg
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An Example iOS 4 iPhone Location Application (Xcode 4)
Configuring the View Controller
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An Example iOS 4 iPhone Location Application (Xcode 4)
New page: Having covered the basics of location management in iOS 4 iPhone applications in the previous chapter it is now time to put theory into practice and work step-by-step through an example ap...
IPhone iOS 4 Development Essentials Xcode 4 Edition
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Getting iPhone Location Information using the iOS 4 Core Location Framework (Xcode 4)
New page: The iPhone is able to employ a number of different techniques for obtaining information about the current geographical location of the device. These mechanisms include GPS, cell tower tria...
IPhone iOS 4 Development Essentials Xcode 4 Edition
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Scheduling iOS 4 iPhone Local Notifications (Xcode 4)
New page: Local Notifications were introduced with iOS 4.0 and provide a mechanism for an application to schedule an alert to notify the user about an event. These notifications take the form of an ...
IPhone iOS 4 Development Essentials Xcode 4 Edition
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File:Xcode 4 disable multitasking.jpg
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File:Xcode 4 required background modes.jpg
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An Overview of iOS 4 iPhone Multitasking (Xcode 4)
New page: Multitasking refers to the ability of an operating system to run more than one application concurrently. The introduction of iOS version 4.0 was met with much fanfare relating to the fact ...
IPhone iOS 4 Development Essentials Xcode 4 Edition
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File:Xcode 4 iad example table view.jpg
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Integrating iAds into an iOS 4 iPhone App (Xcode 4)
New page: In the first 11 months of business, Apple’s iTunes App Store reached 1 billion downloads. This actually turned out to be something of a slow start, and in the following year and a half t...
IPhone iOS 4 Development Essentials Xcode 4 Edition
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Basic iPhone Animation using Core Animation (Xcode 4)
New page: The majority of the visual effects used throughout the iOS 4 user interface on the iPhone are performed using Core Animation. Core Animation provides a simple mechanism for implementing ba...
IPhone iOS 4 Development Essentials Xcode 4 Edition
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File:Xcode 4 draw2D class change.jpg
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An iOS 4 iPhone Graphics Drawing Tutorial using Quartz 2D (Xcode 4)
Creating the UIView Subclass
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An iOS 4 iPhone Graphics Drawing Tutorial using Quartz 2D (Xcode 4)
New page: As previously discussed in Drawing iOS 4 iPhone 2D Graphics with Quartz, the Quartz 2D API is the primary mechanism by which 2D d...
IPhone iOS 4 Development Essentials Xcode 4 Edition
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Drawing iOS 4 iPhone 2D Graphics with Quartz (Xcode 4)
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Drawing iOS 4 iPhone 2D Graphics with Quartz (Xcode 4)
New page: The ability to draw two dimensional graphics on the iPhone is provided as part of the Core Graphics Framework in the form of the Quartz 2D API. The iOS implementation of Quartz on the iPho...