flutter alertbox
showAlertDialog(BuildContext context) {
// set up the button
Widget okButton = TextButton(
child: Text("OK"),
onPressed: () { },
);
// set up the AlertDialog
AlertDialog alert = AlertDialog(
title: Text("My title"),
content: Text("This is my message."),
actions: [
okButton,
],
);
// show the dialog
showDialog(
context: context,
builder: (BuildContext context) {
return alert;
},
);
}show error message in flutter
class MyApp extends StatelessWidget {
...
@override
Widget build(BuildContext context) {
return MaterialApp(
...
builder: (BuildContext context, Widget widget) {
Widget error = Text('...rendering error...');
if (widget is Scaffold || widget is Navigator)
error = Scaffold(body: Center(child: error));
ErrorWidget.builder = (FlutterErrorDetails errorDetails) => error;
return widget;
},
);
}
}Copyright © 2021 Codeinu
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