Fix npe.

c6ae3303 · Andrew Wilson · b1229696 · c6ae3303
Commit c6ae3303 authored Aug 26, 2015 by Andrew Wilson
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Showing with 3 additions and 1 deletion

mimic.dart packages/flutter/lib/widgets/mimic.dart +3 -1

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--- a/packages/flutter/lib/widgets/mimic.dart
+++ b/packages/flutter/lib/widgets/mimic.dart
@@ -98,8 +98,10 @@ class Mimic extends GlobalKeyWatcher {
  void _setMimicable(widget) {
    if (_mimicable != widget) {
      _stopMimic();
+      if (widget != null) {
        widget.startMimic();
      }
+    }
    setState(() {
      _mimicable = widget;
    });