Acquire and master the information to take you to the next level beyond beginning iPhone development with Swift.In this follow up to the best selling Beginning iPhone Development with SwiftAcquire and master the information to take you to the next level beyond beginning iPhone development with Swift.In this follow up to the best selling Beginning iPhone Development with Swift, you?ll learn how to improve your apps by managing the performance of your programs using parallelization, getting data in and out of the cloud, using gestures, the camera, 3D touch, sensors as well as newer features having debuted this year.In its fourth edition, Pro iPhone Development with Swift 4 covers the additional information you want to know to extend your apps into the next level.What You Will LearnAdding Parallel Functionality using Grand Central DispatchUsing the Camera and Accessing PhotosUsing SiriKitWho This Book is ForAspiring iOS app developers familiar with the Apple Swift programming language and/or the iOS SDK, but ready to move to the next level.