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Fix npe.

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This commit is contained in:
Andrew Wilson 2015-08-26 14:14:44 -07:00
parent 3a73fd631c
commit e2fdc2e7ea
1 changed files with 3 additions and 1 deletions
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4
sky/packages/sky/lib/widgets/mimic.dart
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@ -98,7 +98,9 @@ class Mimic extends GlobalKeyWatcher {
void _setMimicable(widget) {
if (_mimicable != widget) {
_stopMimic();
widget.startMimic();
if (widget != null) {
widget.startMimic();
}
}
setState(() {
_mimicable = widget;