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- Put your header and content bodies code into a ScalingHeaderScrollView constructor.
- Set the necessary modifiers, see below.
struct ContentView: View {
var body: some View {
ScalingHeaderScrollView {
ZStack {
Rectangle()
.fill(.gray.opacity(0.15))
Image("header")
}
} content: {
Text("↓ Pull to refresh ↓")
.multilineTextAlignment(.center)
.padding()
}
}
}header - @ViewBuilder for your header
content - @ViewBuilder for your content
passes current collapse progress value into progress binding: 0 for not collapsed at all, 1 - for fully collapsed
.collapseProgress(_ progress: Binding<CGFloat>)allows set up callback and isLoading state for pull-to-refresh action
.pullToRefresh(isLoading: Binding<Bool>, perform: @escaping () -> Void)allows content scroll reset, need to change Binding to true
.scrollToTop(resetScroll: Binding<Bool>)changes min and max heights of Header, default min = 150.0 and max = 350.0
.height(min: CGFloat = 150.0, max: CGFloat = 350.0)when scrolling up - switch between actual header collapse and simply moving it up (by default moving up)
.allowsHeaderCollapse()when scrolling down - enable (disabled by default) header scale
.allowsHeaderGrowth()enable (disabled by default) header snap (once you lift your finger header snaps either to min or max height automatically)
.allowsHeaderSnap()Set custom positions for header snap (explained previous point). Specify any amount of values in 0...1 to set snapping points, 0 - fully collapsed header, 1 - fully expanded
.headerSnappingPositions(snapPositions: [CGFloat])Set custom initial position to which scroll view will be automatically snapped to. Specify a value in 0...1, 0 - fully collapsed header, 1 - fully expanded
.initialSnapPosition(initialSnapPosition: CGFloat)hide scroll indicators (false by default)
.hideScrollIndicators()To try ScalingHeaderScrollView examples:
- Clone the repo
https://github.com/exyte/ScalingHeaderScrollView.git - Open terminal and run
cd <ScalingHeaderScrollViewRepo>/Example/ - Run
pod installto install all dependencies - Run open
Example.xcworkspace/to open project in the Xcode - Try it!
dependencies: [
.package(url: "https://github.com/exyte/ScalingHeaderScrollView.git")
]To install ScalingHeaderScrollView, simply add the following line to your Podfile:
pod 'ScalingHeaderScrollView'To integrate ScalingHeaderScrollView into your Xcode project using Carthage, specify it in your Cartfile
github "Exyte/ScalingHeaderScrollView"
- iOS 14+
- Xcode 12+
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