insidegui
/ ScrollViewOffsetModifier.swift
Created
July 20, 2021 20:28
A SwiftUI ViewModifier that can be used to read a ScrollView's offset and store it into a @State property of the view
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| struct ScrollViewOffsetPreferenceKey: PreferenceKey { | |
| static var defaultValue: CGPoint = .zero | |
| static func reduce(value: inout CGPoint, nextValue: () -> CGPoint) { | |
| value = nextValue() | |
| print("value = \(value)") | |
| } | |
| typealias Value = CGPoint |
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