/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 vote158 views1 answer
Create an array for looping typescript
TypeScript
0 vote134 views2 answers
Scroll, Position
TypeScript
0 vote156 views4 answers
How to implement read more and readless in angular
TypeScript
1 vote163 views2 answers
Merge arrays angular
TypeScript
3 votes144 views3 answers
File C:\Users\Praveen\AppData\Roaming\npm\ng.ps1 cannot be loaded because running scripts is disabled on this system. For more information, see about_Execution_Policies at https:/go.microsoft.com/fwlink/?LinkID=135170.
TypeScript
0 vote157 views1 answer
How many arguments are in this function call? range(0, 100, 5) 20
TypeScript
0 vote93 views1 answer
How to separately print digits of a number in python
TypeScript
1 vote128 views1 answer
Can't bind to 'mat-dialog-close' since it isn't a known property of 'button'
TypeScript
0 vote127 views1 answer
InsertSheet() at the beginning of active sheets google script
TypeScript
1 vote163 views1 answer
Stretch grid column to fit page mui
TypeScript