dispose method

@override void dispose()

Releases everything this controller owns. The page that created the controller calls this from its own State.dispose(); a subclass that adds its own notifiers overrides this and ends with super.dispose().

Implementation

@override
void dispose() {
  serialFilterController.dispose();
  merchantIdFilterController.dispose();
  creatorIdFilterController.dispose();
  serialController.dispose();
  simCardNumberController.dispose();
  simCardSerialController.dispose();
  imeiController.dispose();
  terminalIdController.dispose();
  rejectReasonController.dispose();
  otpSerialController.dispose();
  otpLengthController.dispose();
  otpCodeController.dispose();
  super.dispose();
}