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