Obtains the time in milliseconds that this object last spent in the active state (it may still be active in which case subsequent calls will return an increased value).
@return The time in milliseconds last spent in the active state
See Implementation
Obtains the time in milliseconds that this object last spent in the active state (it may still be active in which case subsequent calls will return an increased value).
@return The time in milliseconds last spent in the active state