New PDF release: Building iPhone OS Accessories: Use the iPhone Accessories
By Ken Maskrey
This publication presents a significant, in-depth examine Apple’s exterior accent framework and the iPhone components API. You’ll find out how to create new, built-in recommendations that mix iPhone apps with devoted undefined. The iPhone OS add-ons API expands the possibilities for cutting edge iPhone builders, permitting you to manage and video display exterior units, no matter if you’ve outfitted them your self or acquired them from a 3rd social gathering. What you’ll research improve components and apps for the iPhone and iPod contact. Use Apple’s exterior accent framework to create hardware/software interplay. keep watch over and video display exterior units utilizing the iPhone components API. Use the categorical controller sessions in the iPhone OS software program improvement package. construct and keep an eye on your individual accent. Get your add-ons licensed by means of Apple’s AE software. Who this booklet is forThis booklet is for iPhone and iPod contact builders who are looking to write apps to regulate exterior components and builders who are looking to create components for iPhone and iPod contact. This comprises embedded platforms programmers who've been omitted of the iPhone gold rush formerly. The iPhone OS components API expands the marketplace of iPhone builders all over again, and this ebook is for all these builders eager to use those new APIs to regulate and visual display unit exterior device—whether self-built or bought from different resources. desk of Contents accent evaluate EAAccessory Framework EA Framework layout Patterns the sport Controller Specifying a Pong Game Coding a Pong Game including the sport Controller bettering the layout Apple Developer Programs layout Firmware every little thing Else
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Additional info for Building iPhone OS Accessories: Use the iPhone Accessories API to Control and Monitor Devices
A delegate is nothing more than one of those objects within the set of objects that make up your program, or, specifically, your application. You might have view-controller objects, tab-bar controller objects, and even special, unique objects that you’ve made up. Because we tend, as developers, to get caught up in the details, it is easy to forget that your set of objects is also an object in itself. Together they form a UIApplication object. Now, it’s easy to see that this higher-level object, the UIApplication, also contains properties and methods.
ModelNumber NSString The model number of the connected accessory. name NSString The, usually decorative, name of the device attached to the iPhone. protocolStrings NSArray An array of protocol names used by the accessory. serialNumber NSString A number that uniquely identifies the specific unit. May or may not be available depending on manufacturer 37 38 CHAPTER 2: EAAccessory Framework EAAccessory Class Constants The EAAccessory class also provides the constant EAConnectionIDNone; a constant to be used when identifying an unconnected accessory.
Property (nonatomic, readonly) NSString *protocolString This property returns the NSString containing the protocol associated with the session. When you create a session, you set the protocolString value as shown in the following statement: EASession *session = [[EASession alloc] initWithAccessory:accessory forProtocol:protocolString]; Here, you create a reference to an EASession object called session using the standard alloc-init methods. Remember, when using alloc-init, you must release the object somewhere else in the code.
Building iPhone OS Accessories: Use the iPhone Accessories API to Control and Monitor Devices by Ken Maskrey