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Add some more CupertinoPicker doc (#28166)

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xster 2019-02-21 22:16:29 -08:00 committed by GitHub
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packages/flutter/lib/src/cupertino/picker.dart
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@ -42,6 +42,10 @@ class CupertinoPicker extends StatefulWidget {
/// than using [Colors.transparent]. Also, if it has transparency, no gradient
/// effect will be rendered.
///
/// The [scrollController] argument can be used to specify a custom
/// [FixedExtentScrollController] for programmatically reading or changing
/// the current picker index or for selecting an initial index value.
///
/// The [looping] argument decides whether the child list loops and can be
/// scrolled infinitely. If set to true, scrolling past the end of the list
/// will loop the list back to the beginning. If set to false, the list will