Home > @magiclane/maps-sdk > GemView > registerTouchHandlerModifyFollowPositionCallback
GemView.registerTouchHandlerModifyFollowPositionCallback() method
Register a callback for touch-handler follow-position modification state transitions.
Signature:
registerTouchHandlerModifyFollowPositionCallback(touchHandlerModifyFollowPositionCallback: FollowPositionStateCallback | null): void;Parameters
Parameter | Type | Description |
|---|---|---|
touchHandlerModifyFollowPositionCallback | FollowPositionStateCallback | null | Callback invoked when touch-handler follow-position modification enters or exits. Pass null to unregister. |
Returns:
void