registerOnFollowPositionState method

void registerOnFollowPositionState(
  1. FollowPositionStateCallback? followPositionStateUpdatedCallback
)

Registers for follow-position state changes.

The callback is invoked when the map enters or exits follow mode.

Parameters

  • Receives the current follow state. Pass null to unregister.

Implementation

void registerOnFollowPositionState(
  final FollowPositionStateCallback? followPositionStateUpdatedCallback,
) {
  _followPositionStateCallback = followPositionStateUpdatedCallback;

  GemKitPlatform.instance.filterEvent(
    pointerId,
    'mapViewFollowPositionEntered',
    followPositionStateUpdatedCallback == null,
  );
  GemKitPlatform.instance.filterEvent(
    pointerId,
    'mapViewFollowPositionExited',
    followPositionStateUpdatedCallback == null,
  );
}