RenderBox was not laid out: RenderPhysicalShape#0c124

[mwawrusch]

I receive the following error when embedding a more complex widget in the popup:

RenderBox was not laid out: RenderPhysicalShape#0c124
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1681 pos 12: 'hasSize'

This is one sample that fails with this error:

Widget build(BuildContext context) {
     return CustomScrollView(slivers: <Widget>[
          new SliverList(
              delegate: new SliverChildListDelegate(
[

   Text('trest'),
    Text('trest'),
     Text('trest'),
      Text('trest'),
]

              ))
        ]);
  }

[dhimasdewanto]

You need to specify the height of your widgets. You can use Container for example.

On Sat, Nov 2, 2019, 11:46 AM Martin Wawrusch notifications@github.com wrote:

I receive the following error when embedding a more complex widget in the popup:

RenderBox was not laid out: RenderPhysicalShape#0c124 'package:flutter/src/rendering/box.dart': Failed assertion: line 1681 pos 12: 'hasSize'

This is one sample that fails with this error:

Widget build(BuildContext context) { return CustomScrollView(slivers: [ new SliverList( delegate: new SliverChildListDelegate( [

Text('trest'), Text('trest'), Text('trest'), Text('trest'), ]

          ))
    ]);

}

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[mwawrusch]

How would I correctly go about this to place a scrollable list of content within the popup dialog? I tried a few variations but can't get it to work.

Also, as a feature request, it would be awesome to:

• allow for a custom height of the popup, e.g. the area of the main screen it covers
• a custom dragging element.

Thanks for the good work. Much appreciated

[fannnu]

Hi mwawrusch, I'm trying to fit a scrollable list of content just like you did. It shows bottombar overflow. It would be appreciated if you could share a solution, if you did found any