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Merge pull request #2236 from Hixie/raw-gesture-detector-assert

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Fix crash in Block.
This commit is contained in:
Ian Hickson
2016-02-26 16:41:15 -08:00
parent 6f7ceff048 fcb3071936
commit d998edd366
1 changed files with 2 additions and 16 deletions
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18
packages/flutter/lib/src/widgets/gesture_detector.dart
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@@ -279,22 +279,8 @@ class RawGestureDetectorState extends State<RawGestureDetector> {
/// the gesture detector should be enabled.
void replaceGestureRecognizers(Map<Type, GestureRecognizerFactory> gestures) {
assert(() {
RenderObject renderObject = context.findRenderObject();
if (!config.excludeFromSemantics) {
assert(renderObject is RenderSemanticsGestureHandler);
RenderSemanticsGestureHandler semanticsGestureHandler = renderObject;
renderObject = semanticsGestureHandler.child;
}
assert(renderObject is RenderPointerListener);
RenderPointerListener pointerListener = renderObject;
renderObject = pointerListener.child;
if (!renderObject.debugDoingThisLayout) {
throw new WidgetError(
'replaceGestureRecognizers() can only be called during the layout phase of the GestureDetector\'s nearest descendant RenderObjectWidget.\n'
'In this particular case, that is:\n'
' $renderObject'
);
}
if (!RenderObject.debugDoingLayout)
throw new WidgetError('replaceGestureRecognizers() can only be called during the layout phase.');
return true;
});
_syncAll(gestures);