PraveenGopalsamy
commented
2 years ago Hi JoelSuyati,
Greetings from Syncfusion support.
We have checked the mentioned scenario, we cannot reproduce the mentioned issue from our side. Please check the attached sample and if you are still facing the issue, then please update us with more details on which scenario you are getting this issue. If possible please send us a code snippet or a simple sample to reproduce the issue which you are facing. This will help us to assist you in a better way by reproducing the exact same scenario which you are facing.
@override
Widget build(BuildContext context) {
return SfRadialGauge(
axes: <RadialAxis>[
RadialAxis(
minimum: 0,
maximum: 100,
interval: 10,
pointers: <GaugePointer>[
WidgetPointer(child: Icon(Icons.brightness_4), value: 0),
WidgetPointer(child: CircleWidget(), value: 50),
WidgetPointer(child: Icon(Icons.brightness_2), value: 100),
],
),
],
);
}
class CircleWidget extends StatefulWidget {
@override
_CircleWidgetState createState() => _CircleWidgetState();
}
class _CircleWidgetState extends State<CircleWidget> {
@override
Widget build(BuildContext context) {
return _CircleRenderObject();
}
}
class _CircleRenderObject extends SingleChildRenderObjectWidget {
@override
RenderObject createRenderObject(BuildContext context) {
return _CircleRenderObjectWidget();
}
}
class _CircleRenderObjectWidget extends RenderBox {
@override
bool hitTestSelf(Offset position) {
return true;
}
@override
void performLayout() {
size = Size(20, 20);
}
@override
void paint(PaintingContext context, Offset offset) {
final Paint paint = Paint()..color = Colors.red;
final Offset center = offset + Offset(size.height, size.width) / 2;
context.canvas.drawCircle(center, size.width / 2, paint);
}
}
Please let us know if you need any further assistance in this.
Regards, Praveen G.
JoelSuyati
Cannot hit test a render box that has never been laid out. The hitTest() method was called on this RenderBox: RenderWidgetPointer#b1426 NEEDS-LAYOUT NEEDS-PAINT: creator: WidgetPointer ← RadialAxisScope ← RadialAxisParentWidget ← RadialAxisInheritedWidget ← RadialAxis ← RadialGaugeScope ← Stack ← Expanded ← Column ← ColoredBox ← Container ← LimitedBox ← ⋯ parentData: offset=Offset(0.0, 0.0); id=null constraints: MISSING size: MISSING Unfortunately, this object's geometry is not known at this time, probably because it has never been laid out. This means it cannot be accurately hit-tested. If you are trying to perform a hit test during the layout phase itself, make sure you only hit test nodes that have completed layout (e.g. the node's children, after their layout() method has been called).. Error thrown null.