init(timerInterval:countsDown:label:currentValueLabel:)
Creates a progress view for showing continuous progress as time passes, with descriptive and current progress labels.
Declaration
nonisolated init(timerInterval: ClosedRange<Date>, countsDown: Bool = true, @ViewBuilder label: () -> Label, @ViewBuilder currentValueLabel: () -> CurrentValueLabel)Parameters
- timerInterval:
The date range over which the view should progress.
- countsDown:
A Boolean value that determines whether the view empties or fills as time passes. If
true(the default), the view empties. - label:
An optional view that describes the purpose of the progress view.
- currentValueLabel:
A view that displays the current value of the timer.
Discussion
Use this initializer to create a view that shows continuous progress within a date range. The following example initializes a progress view with a range of start...end, where start is 30 seconds in the past and end is 90 seconds in the future. As a result, the progress view begins at 25 percent complete. This example also provides custom views for a descriptive label (Progress) and a current value label that shows the date range.
struct ContentView: View {
let start = Date().addingTimeInterval(-30)
let end = Date().addingTimeInterval(90)
var body: some View {
ProgressView(interval: start...end,
countsDown: false) {
Text("Progress")
} currentValueLabel: {
Text(start...end)
}
}
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By default, the progress view empties as time passes from the start of the date range to the end, but you can use the countsDown parameter to create a progress view that fills as time passes, as the above example demonstrates.