addOnProgressUpdateListener
abstract fun addOnProgressUpdateListener(listener: OnProgressUpdateListener)
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Adds an OnProgressUpdateListener which will inform about new progress along the route each time a location change occurs and the RouteProgressCalculationEngine successfully calculates it.
Important: This is a Public Preview API. It may be changed or removed at any time.
Parameters
listener
The listener to be registered.
Throws
if listener is already added.