How to provide visual structure using foreground styles
Updated for Xcode 13.0 beta 2
New in iOS 15
SwiftUI provides a foregroundStyle() modifier to control the way text, images, and shapes are styled all at once. In its simplest form this is similar to using foregroundColor() with .secondary, but not only does it unlock more of the semantic colors – .tertiary and .quaternary, it also adds support for anything that conforms to ShapeStyle.
So, here’s an example of an image and some text rendered using quaternary style, which is the lowest of four importance levels for content:
HStack {
Image(systemName: "clock.fill")
Text("Set the time")
}
.font(.largeTitle.bold())
.foregroundStyle(.quaternary)
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Like I said, anything that conforms to ShapeStyle also works, meaning that we can render our HStack with a red to black linear gradient using the same modifier:
HStack {
Image(systemName: "clock.fill")
Text("Set the time")
}
.font(.largeTitle.bold())
.foregroundStyle(
.linearGradient(
colors: [.red, .black],
startPoint: .top,
endPoint: .bottom
)
) Download this as an Xcode project
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