In this follow up work to the introductory Beginning iPhone Development with Swift, Wallace Wang gives tips for organizing and debugging Swift code, using multi-threaded programming with Grand Central Dispatch, passing data between view controllers, and designing apps for multiple languages. The book also covers how to play audio and video files, access the camera and save pictures to the Photos library, use location services to pinpoint your position on a map, display web pages, and create animation to spice up any user interface.

<ASIN:1484249437>

Author: Wallace Wang
Publisher: Apress
Date: June 2019
Pages: 608
ISBN: 978-1484249437
Print: 1484249437
Kindle: B07T9KV28D
Audience: iPhone developers
Level: Intermediate
Category: Phone/mobile 

• Save and retrieve data when apps close or get pushed in the background
• Recognize speech with Apple’s advanced frameworks 
• Create augmented reality apps
• Understand spoken commands with Siri

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