April 2020
Beginner
316 pages
8h 20m
English
Content preview from Learn SwiftUI
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Spinning star
Now, let's head on over to our Recipe app and make some changes ourselves. We'll start by heading on over to RecipeDetailView.swift and finding our favorite button. Add the following highlighted code to add a little spin to our selection:
Button(action: { Helper.addRemoveFavourite(recipe: self.recipe) self.recipe.favourite.toggle() withAnimation(.spring()) { self.angle = self.angle == 1080 ? 0 : 1080 }}) { Image(systemName: isFavourite ? "star.fill" : "star") .resizable() .aspectRatio(contentMode: .fit)}.rotationEffect(.degrees(angle)).frame(height: 45)
Here, we've added an explicit animation to our star view. Looking at the action in our button, it's clear we're performing a .spring() animation when we set the angle of our ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.