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[LinearPercentIndicator] Cannot get size from a render object that has not been through layout #210

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[LinearPercentIndicator] Cannot get size from a render object that has not been through layout #210

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a8077c0
check hasSize before reading size
garbidge May 23, 2024
1836868
add extension for getting RenderBox size from GlobalKey
garbidge May 24, 2024
fa667b6
rename
garbidge May 24, 2024
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11 changes: 6 additions & 5 deletions lib/linear_percent_indicator.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -177,13 +177,14 @@ class _LinearPercentIndicatorState extends State<LinearPercentIndicator>
void initState() {
WidgetsBinding.instance.addPostFrameCallback((_) {
if (mounted) {
final RenderObject? containerObject = _containerKey.currentContext?.findRenderObject();
final RenderObject? keyObject = _keyIndicator.currentContext?.findRenderObject();
setState(() {
_containerWidth = _containerKey.currentContext?.size?.width ?? 0.0;
_containerHeight = _containerKey.currentContext?.size?.height ?? 0.0;
_containerWidth = (containerObject is RenderBox && containerObject.hasSize) ? containerObject.size.width : 0.0;
_containerHeight = (containerObject is RenderBox && containerObject.hasSize) ? containerObject.size.height : 0.0;
if (_keyIndicator.currentContext != null) {
_indicatorWidth = _keyIndicator.currentContext?.size?.width ?? 0.0;
_indicatorHeight =
_keyIndicator.currentContext?.size?.height ?? 0.0;
_indicatorWidth = (keyObject is RenderBox && keyObject.hasSize) ? keyObject.size.width : 0.0;
_indicatorHeight = (keyObject is RenderBox && keyObject.hasSize) ? keyObject.size.height : 0.0;
}
});
}
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