@EnvironmentObject var workoutManager: WorkoutManager
@State var presentedWorkout: [HKWorkoutActivityType] = []
var workoutTypes: [HKWorkoutActivityType] = [.cycling, .running, .walking]
var body: some View {
NavigationStack(path: $presentedWorkout) {
List(workoutTypes) { workoutType in
NavigationLink(
workoutType.name,
value: workoutType
)
.padding(EdgeInsets(top: 15, leading: 5, bottom: 15, trailing: 5))
.navigationDestination(for: HKWorkoutActivityType.self) { workoutType in
SessionPagingView()
}
.onChange(of: presentedWorkout) { _ in
guard let workout = presentedWorkout.last else { return }
workoutManager.selectedWorkout = workout
}
}
.listStyle(.elliptical)
.navigationBarTitle("Workouts")
.onAppear {
workoutManager.requestAuthorization()
}
}
}
https://developer.apple.com/documentation/swiftui/navigationstack
When click the list, the stack puts the HKWorkoutActivityType data in the presentedWorkout array. So you can use onChange(of) to catch the workout your selected, and set this value to Workoutmanager.selecteWorkout.
NeilWang
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