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Update TabController.indexIsChanging doc (#28663)

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Hans Muller 2019-03-01 08:03:01 -08:00 committed by GitHub
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commit 4f185ecde6
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1 changed files with 6 additions and 1 deletions
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packages/flutter/lib/src/material/tab_controller.dart
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@ -150,7 +150,12 @@ class TabController extends ChangeNotifier {
int get previousIndex => _previousIndex;
int _previousIndex;
/// True while we're animating from [previousIndex] to [index].
/// True while we're animating from [previousIndex] to [index] as a
/// consequence of calling [animateTo].
///
/// This value is true during the [animateTo] animation that's triggered when
/// the user taps a [TabBar] tab. It is false when [offset] is changing as a
/// consequence of the user dragging (and "flinging") the [TabBarView].
bool get indexIsChanging => _indexIsChangingCount != 0;
int _indexIsChangingCount = 0;