Flutter iOS App crashing sometimes unexpectedly

Question

After building the app ios app using flutter and running it on a device, the flutter code gave an exception on visual studio IDE sometimes and crashed. The exception looks like -

Can anyone help why is this happening or provide a possible solution to this ?

Answer 1

Call your code that calls setState with some delay like the following example.

Future.delayed(Duration.zero, () async     {
   setState(() {
      myController.text = widget.valueText ?? '';
   });
});