DJI Mobile SDK Documentation
      Manager Classes
      DJISDKManager
      DJIKeyManager
      DJIFlyZoneManager
      DJIAppActivationManager
      DJIUserAccountManager
      DJIDataProtectionManager
      DJILDMManager
      DJIFlightHubManager
      Base Classes
      DJIBaseProduct
      DJIBaseComponent
      Product Classes
      DJIAircraft
      DJIHandheld
      Component Classes
      DJIFlightController
      DJIBattery
      DJICamera
      DJIGimbal
      DJIAirLink
      DJIRemoteController
      DJIHandheldController
      DJIMobileRemoteController
      DJIPayload
      DJIAccessoryAggregation
      Mission Classes
      DJIMissionControl
      DJIMissionAction
      DJIMissionTrigger
      DJIWaypointMissionOperator
      DJIFollowMeMissionOperator
      DJIPanoramaMissionOperator
      DJIHotpointMissionOperator
      DJIIntelligentHotpointMissionOperator
      DJITapFlyMissionOperator
      DJIActiveTrackMissionOperator
      DJIMission
      Misc Classes
      DJIParamCapability
      NSError
      DJIDiagnostics
      DJIRemoteLogger

      class DJIFollowMeMissionOperator

      @interface DJIFollowMeMissionOperator : NSObject
      Header:DJIFollowMeMissionOperator.h
      Inherits From:NSObject
      Description:

      The follow me mission operator is the only object that controls, runs and monitors FollowMe Missions. It can be accessed from DJIMissionControl.

      Class Members:
      Current State
      property
      currentState
      property currentState
      @property (readonly, nonatomic) DJIFollowMeMissionState currentState
      Header:DJIFollowMeMissionOperator.h
      Description:

      The current state of the executing Follow Me mission.

      See Also:

      DJIFollowMeMissionState

      method addListenerToEvents:withQueue:andBlock
      - (void)addListenerToEvents:(id)listener
                        withQueue:(nullable dispatch_queue_t)queue
                         andBlock:(DJIFollowMeMissionOperatorEventBlock)block
      Header:DJIFollowMeMissionOperator.h
      Description:

      Adds a listener object to the listener pool that will listen to all events.

      Input Parameters:
      id listenerA listener object.
      nullable dispatch_queue_t queueThe dispatch queue that block will be called on.
      DJIFollowMeMissionOperatorEventBlock blockA DJIFollowMeMissionOperatorEventBlock block.
      method addListenerToStarted:withQueue:andBlock
      - (void)addListenerToStarted:(id)listener
                         withQueue:(nullable dispatch_queue_t)queue
                          andBlock:(DJIFollowMeMissionOperatorSimpleEventBlock)block
      Header:DJIFollowMeMissionOperator.h
      Description:

      Adds listener to receive the notification when a Follow Me mission is started.

      Input Parameters:
      id listenerListener that will listen for mission start.
      nullable dispatch_queue_t queueThe dispatch queue that block will be called on.
      DJIFollowMeMissionOperatorSimpleEventBlock blockBlock to be called when mission starts.
      method addListenerToFinished:withQueue:andBlock
      - (void)addListenerToFinished:(id)listener
                          withQueue:(nullable dispatch_queue_t)queue
                           andBlock:(DJICompletionBlock)block
      Header:DJIFollowMeMissionOperator.h
      Description:

      Adds listener to receive the notification when a Follow Me mission has finished.

      Input Parameters:
      id listenerListener that will listen for mission end.
      nullable dispatch_queue_t queueThe dispatch queue that block will be called on.
      DJICompletionBlock blockBlock to be called when mission ends. If the mission is interrupted with an error, the error will be passed to the block.
      Remove Listener
      method
      removeListener
      method removeListener
      - (void)removeListener:(id)listener
      Header:DJIFollowMeMissionOperator.h
      Description:

      Removes listener. If the listener is listening to more than one event, it will be removed from listening for all events.

      Input Parameters:
      id listenerListener to be removed.
      method removeListenerOfEvents
      - (void)removeListenerOfEvents:(id)listener
      Header:DJIFollowMeMissionOperator.h
      Description:

      Removes listener from listener pool for specific event.

      Input Parameters:
      id listenerListener to be removed.
      method removeListenerOfStarted
      - (void)removeListenerOfStarted:(id)listener
      Header:DJIFollowMeMissionOperator.h
      Description:

      Removes listener from listener pool for specific start mission events.

      Input Parameters:
      id listenerListener to be removed.
      method removeListenerOfFinished
      - (void)removeListenerOfFinished:(id)listener
      Header:DJIFollowMeMissionOperator.h
      Description:

      Removes listener from listener pool for specific finish mission events.

      Input Parameters:
      id listenerListener to be removed.
      method removeAllListeners
      - (void)removeAllListeners
      Header:DJIFollowMeMissionOperator.h
      Description:

      Remove all listeners.

      Start Mission
      method
      startMission:withCompletion
      method startMission:withCompletion
      - (void)startMission:(DJIFollowMeMission *)mission withCompletion:(DJICompletionBlock)completion
      Header:DJIFollowMeMissionOperator.h
      Description:

      Starts to execute a Follow Me mission. It can only be called when the currentState is DJIFollowMeMissionStateReadyToStart. After a mission is started successfully, the currentState will become DJIFollowMeMissionStateExecuting.

      Input Parameters:
      DJIFollowMeMission * missionAn object of DJIFollowMeMission.
      DJICompletionBlock completionCompletion block that will be called when the operator succeeds or fails to start the execution. If it fails, an error will be returned.
      Stop Mission
      method
      stopMissionWithCompletion
      method stopMissionWithCompletion
      - (void)stopMissionWithCompletion:(DJICompletionBlock)completion
      Header:DJIFollowMeMissionOperator.h
      Description:

      Stops the executing mission. It can only be called when the currentState is DJIFollowMeMissionStateExecuting. After a mission is stopped successfully, currentState will become DJIFollowMeMissionStateReadyToStart.

      Input Parameters:
      DJICompletionBlock completionThe completion block of DJICompletionBlock.
      method updateFollowMeCoordinate
      -(nullable NSError *)updateFollowMeCoordinate:(CLLocationCoordinate2D)coordinate
      Header:DJIFollowMeMissionOperator.h
      Description:

      Update the Follow Me mission's target location to follow.

      Input Parameters:
      CLLocationCoordinate2D coordinateA CLLocationCoordinate2D struct of the following target.
      Return:
      nullable NSError *The possible error if the functionality fails.
      method followMeCoordinate
      -(CLLocationCoordinate2D)followMeCoordinate
      Header:DJIFollowMeMissionOperator.h
      Description:

      The latest Follow Me coordinate. The operator will send the updated Follow Me coordinate to the aircraft at a fixed frequency in order to maintain the mission heart-beat. The value is only valid when the currentState is DJIFollowMeMissionStateExecuting.

      Return:
      CLLocationCoordinate2DThe latest Follow Me mission target location.
      typedef block DJIFollowMeMissionOperatorEventBlock
      typedef void (^DJIFollowMeMissionOperatorEventBlock)(DJIFollowMeMissionEvent *event)
      Header:DJIFollowMeMissionOperator.h
      Description:

      Block to receive the Follow Me operator event.

      Input Parameters:
      DJIFollowMeMissionEvent * eventThe Follow Me operator event with the state change.
      typedef block DJIFollowMeMissionOperatorSimpleEventBlock
      typedef void (^DJIFollowMeMissionOperatorSimpleEventBlock)()
      Header:DJIFollowMeMissionOperator.h
      Description:

      An simple event block for follow me mission.