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Fixes issue with removing and re-adding a toolbar which is connected to the same TabBarController (#9015)

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Viktor Lidholt 2017-03-27 20:12:10 +02:00 committed by Hans Muller
parent 657a4c3fc6
commit e271fa3e76
1 changed files with 3 additions and 1 deletions
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4
packages/flutter/lib/src/material/tabs.dart
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@ -478,8 +478,10 @@ class _TabBarState extends State<TabBar> {
@override
void dispose() {
if (_controller != null)
if (_controller != null) {
_controller.animation.removeListener(_handleTabControllerAnimationTick);
_controller.removeListener(_handleTabControllerTick);
}
// We don't own the _controller Animation, so it's not disposed here.
super.dispose();
}