addPermissionCallback method

void addPermissionCallback({
  1. Granted? onGranted,
  2. Denied? onDenied,
  3. VoidCallback? onSettingsReturned,
})

Implementation

void addPermissionCallback({
  Granted? onGranted,
  Denied? onDenied,
  VoidCallback? onSettingsReturned,
}) {
  this._granted = onGranted;
  this._denied = onDenied;
  this._onSettingsReturned = onSettingsReturned;
  _callbacks.add(this);
  if (!_isSetMethodCallHandler) {
    _isSetMethodCallHandler = true;
    _callbackChannel.setMethodCallHandler(_handler);
  }
}