By Ken Maskrey
Remarkable! great excited to determine an components e-book pop out. The ExternalAccessoriesFramework has been a dozing enormous for a yr now looking ahead to sufficient momentum to truly get away. i'd fairly like to see a neighborhood of MFi businesses liberating add-ons with publicly on hand EA Protocols for any iPhone developer. i will be able to absolutely see a way forward for one MFi corporation freeing a product that 1000's of apps/ app builders may use.
Get a leap at the components gold rush (okay gold rush is incorrect, might be gold trickle) and develop into a grasp of the exterior components framework. i haven't accomplished the publication but. i am simply tremendous excited that Apress has an add-ons e-book to be had now!
Read or Download Building iPhone OS Accessories: Use the iPhone Accessories API to Control and Monitor Devices (Books for Professionals by Professionals) PDF
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Amazing! great excited to work out an add-ons e-book pop out. The ExternalAccessoriesFramework has been a napping vast for a yr now expecting sufficient momentum to actually get away. i might quite like to see a neighborhood of MFi businesses freeing components with publicly on hand EA Protocols for any iPhone developer.
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Additional info for Building iPhone OS Accessories: Use the iPhone Accessories API to Control and Monitor Devices (Books for Professionals by Professionals)
What’s worse is that the EA framework actually uses both definitions of protocol. First, let’s make sure you understand Cocoa’s use of protocols. Protocols provide a mechanism for objects to communicate with each other. This interprocess communication comes about through the use of Objective-C messages. The UIApplication Delegate protocol fits the bill as the most common and frequently used protocol. It’s one you see in almost any app you build. This protocol declares methods that are implemented by the delegate of the UIApplication.
Open the disclosure triangle and you should see Item 0. You can set as many protocols as you need by clicking the + sign at the rightmost part of the row. 9. p1, then hit enter. Congratulations, you have now created your first iPhone external accessory protocol name. 29 30 CHAPTER 2: EAAccessory Framework Choosing the name for your external accessory protocol may appear to be a totally arbitrary exercise. It is not. Because the protocol is the agreement made between the iPhone application and the external accessory firmware, the accessory also has a say in what name to use.
At the time of this writing, there are no commercially available iPhone accessories using the EA Framework, so this is somewhat subject to change. But I believe that hardware accessories will be sold and the application given away for free, or really, as part of the purchase price of the accessory. However, since a lot of work likely went into the app that goes with the accessory, I suspect these apps won’t be listed as free in order to keep everyone from downloading and possibly dissecting them.
Building iPhone OS Accessories: Use the iPhone Accessories API to Control and Monitor Devices (Books for Professionals by Professionals) by Ken Maskrey