Last week Apple updated iPad Pro and added trackpad support to iPadOS. We finally have Xcode 11.4, which introduces the onHover and hoverEffect modifiers to help us utilize trackpad and mouse support in SwiftUI. This week we will learn how to be a good iOS citizen and add support for the trackpad to our SwiftUI views.
Today we will continue mastering view preferences in SwiftUI that we touched a few weeks ago. Anchor preferences are another type of view preferences provided by SwiftUI. The main goal of anchor preferences is to pass layout data like bounds, center coordinates, etc. to its parent view.
This week we will talk about another great tool that we have in SwiftUI. The alignment guide is a way that we can use to speak to SwiftUI’s layout system. By using alignment guides, we can easily align views that live in different parts of a view hierarchy.
This week we will continue mastering SwiftUI components by learning Toggle. Toggle is a view that we can use to allow users to toggle any boolean state in the app. SwiftUI enables us to customize toggles in a very convenient way by providing ToggleStyle protocol.
This week I want to talk to you about a TextField component in SwiftUI. It might look like an elementary tutorial, but TextField has pretty exciting features like out of the box formatting that we don’t have in UIKit. But let’s start with the basics of the TextField component.
Button is one of the regularly used components in SwiftUI. We use buttons to allow users to produce actions. That’s why it is so essential to generalize the look and feel of buttons in our apps. This week we will master buttons in SwiftUI. We will learn how to customize the look and feel of our buttons.
SwiftUI provides us several exciting ways to change the shape of our views. It allows clipping, masking, and a few other operations on the shape of views. This week I want to talk to you about altering view’s shape in SwiftUI.
One of my first posts on this blog was about using the ViewModel pattern in iOS apps. I’m still using this concept in some old school UIKit projects. But I think it’s time to remaster that post. This week we will talk about building reactive ViewModels using Combine framework.
A few weeks ago, we talked about building views like PagerView and BottomSheetView from scratch in SwiftUI. SwiftUI is pretty young and misses some components that we expect to have out of the box. But it provides all the needed APIs to build whatever we want. However, sometimes we need to reuse UIKit views instead of making the SwiftUI versions. This week I want to talk to you about using UIKit views in SwiftUI.
SwiftUI provides us a very fast and easy to use diffing algorithm, but as you might know, diffing is a linear operation. It means that diffing will be very fast for simple layouts and can take some time for a complicated layout.