Til að forðast að láta glugganum segja að flögra
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flögra sýna að láta glugganum eftir þjóninum villa
Provider.of<NewsProvider>(context, listen: false)
.fetchAndSetNewsList()
.catchError((error) => showDialog(context: context, builder: (context) {
return new SimpleDialog(
children: <Widget>[
new Center(child: new Container(child: new Text('foo')))
]);
}))
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