/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 vote227 views1 answer
Who sets up Jenkins
TypeScript
0 vote242 views1 answer
List of objects where linq
TypeScript
0 vote234 views1 answer
W/TextToSpeech: speak failed: not bound to TTS engine site:stackoverflow.com
TypeScript
0 vote230 views1 answer
How to loop the jquery formData key object in jqueyr
TypeScript
1 vote256 views3 answers
An attempt was made to access a socket in a way forbidden by its access permissions
TypeScript
0 vote240 views1 answer
Ggplots in r
TypeScript
0 vote256 views1 answer
Who indirectly elects the president
TypeScript
0 vote252 views1 answer
Whats $_.FullName in powershell
TypeScript
0 vote261 views1 answer
TypeError: autodiscover_tasks() takes at least 2 arguments (1 given) celery
TypeScript
0 vote232 views1 answer
How to Write a program that accepts three decimal numbers as input and outputs their sum on python
TypeScript