Book Image

Swift 2 By Example

By : Giordano Scalzo
Book Image

Swift 2 By Example

By: Giordano Scalzo

Overview of this book

Swift is no longer the unripe language it was when launched by Apple at WWDC14, now it’s a powerful and ready-for-production programming language that has empowered most new released apps. Swift is a user-friendly language with a smooth learning curve; it is safe, robust, and really flexible. Swift 2 is more powerful than ever; it introduces new ways to solve old problems, more robust error handling, and a new programming paradigm that favours composition over inheritance. Swift 2 by Example is a fast-paced, practical guide to help you learn how to develop iOS apps using Swift. Through the development of seven different iOS apps and one server app, you’ll find out how to use either the right feature of the language or the right tool to solve a given problem. We begin by introducing you to the latest features of Swift 2, further kick-starting your app development journey by building a guessing game app, followed by a memory game. It doesn’t end there, with a few more apps in store for you: a to-do list, a beautiful weather app, two games: Flappy Swift and Cube Runner, and finally an ecommerce app to top everything off. By the end of the book, you’ll be able to build well-designed apps, effectively use AutoLayout, develop videogames, and build server apps.
Table of Contents (18 chapters)
Swift 2 By Example
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Free Chapter
1
Welcome to the World of Swift
2
Building a Guess the Number App
Index

Adding a Todo task


So far, the app works very well, presenting all the Todo tasks, but we need to allow the user to create their own Todo task.

The add a Todo view

As the specifications require that a Todo task is editable, it makes sense to use the same View Controller either to create a new Todo task, or to edit an already existing Todo task.

To implement the desired layout, we are going to use a TableViewController class again using static cells so that we can configure and lay it out directly in Interface Builder.

Add another TableViewController class close to TodoTableViewController, and after selecting the Table View inside, set the content as Static Cells instead of Dynamic Cells.

Then, select the first and only section, that is, Table View Section.

Now set the number of Rows to 5.

Before implementing the cells, select Table View and set the height of each cell to 50.

The first row must contain the description of Todo, so we use UITextField to handle this.

Select the UITextField component...