flutter show alert message

flutter alertdialog

Future<void> _showMyDialog() async {
  return showDialog<void>(
    context: context,
    barrierDismissible: false, // user must tap button!
    builder: (BuildContext context) {
      return AlertDialog(
        title: Text('AlertDialog Title'),
        content: SingleChildScrollView(
          child: ListBody(
            children: <Widget>[
              Text('This is a demo alert dialog.'),
              Text('Would you like to approve of this message?'),
            ],
          ),
        ),
        actions: <Widget>[
          TextButton(
            child: Text('Approve'),
            onPressed: () {
              Navigator.of(context).pop();
            },
          ),
        ],
      );
    },
  );
}

Posted by: Guest on January-27-2021

Source

showAlertDialog(BuildContext context) { // set up the button Widget okButton = FlatButton( 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; }, ); }

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