SwiftUI Charts automatically groups accessibility elements on the graph (Double / Date for example) when there's a lot of data, which overrides the accessibilityLabel and value I set for each data point. This makes sense, but how do we modify the chart navigation accessibility readout when this grouping occurs?
Here's an example:
var body: some View {
let salesData: [(Date, Double)] = [
(Date().addingTimeInterval(-1 * 24 * 60 * 60), 1200),
(Date().addingTimeInterval(-2 * 24 * 60 * 60), 1500),
(Date().addingTimeInterval(-3 * 24 * 60 * 60), 1000),
(Date().addingTimeInterval(-4 * 24 * 60 * 60), 500),
(Date().addingTimeInterval(-5 * 24 * 60 * 60), 1500),
(Date().addingTimeInterval(-6 * 24 * 60 * 60), 1400),
(Date().addingTimeInterval(-7 * 24 * 60 * 60), 1300),
(Date().addingTimeInterval(-8 * 24 * 60 * 60), 1800),
(Date().addingTimeInterval(-9 * 24 * 60 * 60), 500),
(Date().addingTimeInterval(-10 * 24 * 60 * 60), 800),
(Date().addingTimeInterval(-11 * 24 * 60 * 60), 800),
(Date().addingTimeInterval(-12 * 24 * 60 * 60), 1000),
(Date().addingTimeInterval(-13 * 24 * 60 * 60), 1500),
(Date().addingTimeInterval(-14 * 24 * 60 * 60), 1500),
(Date().addingTimeInterval(-15 * 24 * 60 * 60), 900),
]
Chart {
ForEach(salesData, id: \.0) { date, sales in
LineMark(
x: .value("Foo", date),
y: .value("Bar", sales)
).accessibilityLabel("Foo: \(date.formatted(date: .abbreviated, time: .omitted)) Bar: \(sales.formatted(.currency(code: "USD")))")
}
}
.accessibilityElement(children: .contain)
}
}
I am wondering if there's a protocol, modifier.. or maybe something like UIAccessibilityContainerType.
6chk6
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