Book Image

Animating SwiftUI Applications

By : Stephen DeStefano
Book Image

Animating SwiftUI Applications

By: Stephen DeStefano

Overview of this book

Swift and SwiftUI are the backbone of Apple application development, making them a crucial skill set to learn. Animating SwiftUI Applications focuses on the creation of stunning animations, making you proficient in this declarative language and employing a minimal code approach. In this book, you'll start by exploring the fundamentals of SwiftUI and animation, before jumping into various projects that will cement these skills in practice. You will explore some simple projects, like animating circles, creating color spectrums with hueRotation, animating individual parts of an image, as well as combining multiple views together to produce dynamic creations. The book will then transition into more advanced animation projects that employ the GeometryReader, which helps align your animations across different devices, as well as creating word and color games. Finally, you will learn how to integrate the SpriteKit framework into our SwiftUI code to create scenes with wind, fire, rain, and or snow scene, along with adding physics, gravity, collisions, and particle emitters to your animations. By the end of this book, you’ll have created a number of different animation projects, and will have gained a deep understanding of SwiftUI that can be used for your own creations.
Table of Contents (18 chapters)

Understanding SwiftUI structures

SwiftUI gives us views, controls, modifiers, and layout structures for declaring the user interface. The framework also includes event handlers for providing taps, gestures, and other kinds of input for our app, as well as tools for managing the flow of data coming from your app’s models.

But what’s a model? A model is simply a folder we create in the Project Navigator window where we usually keep the app’s data; for example, if we are working on a weather app, we can keep our wind, temperature, precipitation, and snow accumulation data in the app’s model after it has been received from the internet through an Application Programming Interface (API) call, which is prebuilt software that talks to other programs for us. That data will then be processed and sent down to the views and controls that the user will see and can interact with.

SwiftUI allows us to avoid using Interface Builder and Storyboards to design the...