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Merge pull request #639 from abarth/default_enter_exit

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Add a default onEnter/onExit for EnterExitTransition
This commit is contained in:
Adam Barth 2015-11-30 15:13:18 -08:00
commit 97cca4d47b
1 changed files with 4 additions and 2 deletions
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6
packages/flutter/lib/src/widgets/enter_exit_transition.dart
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@ -93,14 +93,16 @@ class _Entry {
typedef Widget TransitionBuilderCallback(PerformanceView performance, Widget child);
Widget _identityTransition(PerformanceView performance, Widget child) => child;
class EnterExitTransition extends StatefulComponent {
EnterExitTransition({
Key key,
this.child,
this.duration,
this.curve: Curves.linear,
this.onEnter,
this.onExit
this.onEnter: _identityTransition,
this.onExit: _identityTransition
}) : super(key: key) {
assert(child != null);
assert(duration != null);