/TypeScript/Flutter dialog prevent close

Flutter dialog prevent close

Flutter close dialog

showDialog(
    context: context,
    builder: (_) {
      return AlertDialog(
        title: Text('Wanna Exit?'),
        actions: [
          FlatButton(
            onPressed: () => Navigator.pop(context, false), // passing false
            child: Text('No'),
          ),
          FlatButton(
            onPressed: () => Navigator.pop(context, true), // passing true
            child: Text('Yes'),
          ),
        ],
      );
    }).then((exit) {
  if (exit == null) return;

  if (exit) {
    // user pressed Yes button
  } else {
    // user pressed No button
  }
});

Source: stackoverflow.com

Flutter dialog prevent close

showDialog(
  barrierDismissible: false,
  builder: ...
)

Source: stackoverflow.com

Similar codes

0 vote326 views1 answer
Number of increments and decrements to make array sorted
TypeScript
1 vote360 views1 answer
How to convert millisecond to second to date momentjs
TypeScript
4 votes322 views2 answers
When a vector in c++ is resized what happens to the elements of the vector
TypeScript
0 vote318 views1 answer
Order documents in firestore
TypeScript
2 votes301 views1 answer
Aws sts assume-role example
TypeScript
2 votes325 views1 answer
Adding headers to httpclient angular
TypeScript
0 vote345 views2 answers
How to remove one object in an array of objects in mongoose
TypeScript
1 vote275 views1 answer
Ionic pasword visible inside ion-input
TypeScript
1 vote322 views1 answer
React setstate in hooks to array of objects value
TypeScript
1 vote317 views1 answer
Template variables are read-only.
TypeScript