Book Image

iOS Programming Cookbook

By : Hossam Ghareeb
Book Image

iOS Programming Cookbook

By: Hossam Ghareeb

Overview of this book

Do you want to understand all the facets of iOS programming and build complex iOS apps? Then you have come to the right place. This problem-solution guide will help you to eliminate expensive learning curves and focus on specific issues to make you proficient at tasks and the speed-up time involved. Beginning with some advanced UI components such as Stack Views and UICollectionView, you will gradually move on to building an interface efficiently. You will work through adding gesture recognizer and touch elements on table cells for custom actions. You will work with the Photos framework to access and manipulate photos. You will then prepare your app for multitasking and write responsive and highly efficient apps. Next, you will integrate maps and core location services while making your app more secure through various encryption methods. Finally, you will dive deep into the advanced techniques of implementing notifications while working with memory management and optimizing the performance of your apps. By the end of the book, you will master most of the latest iOS 10 frameworks.
Table of Contents (16 chapters)

Detecting user location

The first thing that a user needs to know when he opens the map is where he is on the map. Getting the user's current location helps him to get an idea of his location, nearby places, and points of interest. To respect the user's privacy, apps can't get the user's current location without the user granting them access to it. In this section, we will see how to ask for permission to access location services and display the current location to the user.

How to do it...

To help display the current location, perform the following steps:

  1. Create a new Xcode project with the Single View Application template and with name the LocationServicesDemo.
  2. In the view controller in storyboard, embed...