flutter alertdialog close event

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

create a methos _showDialog then call it in your state // user defined function void _showDialog() { // flutter defined function showDialog( context: context, builder: (BuildContext context) { // return object of type Dialog return AlertDialog( title: new Text("Alert Dialog title"), content: new Text("Alert Dialog body"), actions: <Widget>[ // usually buttons at the bottom of the dialog new FlatButton( child: new Text("Close"), onPressed: () { Navigator.of(context).pop(); }, ), ], ); }, ); }

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