Fixed AnimatedSwitcher chain produced duplicates#106962
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youssef-attia merged 5 commits intoflutter:masterfrom Jul 7, 2022
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Fixed AnimatedSwitcher chain produced duplicates#106962youssef-attia merged 5 commits intoflutter:masterfrom
youssef-attia merged 5 commits intoflutter:masterfrom
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| Widget build(BuildContext context) { | ||
| _rebuildOutgoingWidgetsIfNeeded(); | ||
| return widget.layoutBuilder(_currentEntry?.transition, _outgoingWidgets!); | ||
| return widget.layoutBuilder(_currentEntry?.transition, _outgoingWidgets!.where((Widget outgoing) => outgoing.key != _currentEntry?.transition.key).toSet().toList()); |
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What does this look like? Does the existing one just disappear to be replaced by the new one?
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Yes. If we were to display both versions simultaneously then we would have the issue with duplicate keys. The duplicate keys issue seems to not only be a problem with the LayoutIds but also locally for the AnimatedSwitcher.
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This reverts commit 0d3cc92.
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* Fixed AnimatedSwitcher chain produced duplicates * Fixed issue with global keys being copied * trailing whitespace * removed unused dependencies * Fixed dependency loop
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)" (flutter#107318) This reverts commit 0d3cc92.
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When the child of an AnimatedSwitcher went through rapid changes, there were times where the same widget would be in the display chain many times. For example if the AnimatedSwitcher's child goes from A->B->A then B is displayed once and A is displayed twice. This did not mesh so well when A was given a key as duplicate local keys are disallowed and this would cause problems with the rendering of AnimatedSwitcher.
Pre-launch Checklist
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