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 (22 chapters)
iOS Programming Cookbook
About the Author
About the Reviewer
Customer Feedback

Designing data models

Before getting started with Core Data, you should take a look at how we will organize or design the data models and determine the relations between these models. The data model in Core Data is called Entity.

Xcode provides an editor to add entities and to specify the relations between them. The design of your data models should be simple and organized, so anyone looking at it should understand what is going on between your data models and what the relations are between them. Check the following example of a design of data models:

The example shows four entities and the relations between them. The first entity is a Chef entity, which has a list of attributes, such as firstName and lastName. It has a one-to-many relation to the Recipe entity, as each Chef can have many recipes but each recipe has only one chef. The same idea applies to other entities and, through attributes and relations, you will understand the relations between entities.

How to do it...

  1. Create a new Xcode...