NavigationGuidanceObserver

public protocol NavigationGuidanceObserver : Observer

An observer that receives navigation guidance events.

  • Reports that instructions have been updated.

    Declaration

    Swift

    func didUpdateInstructions(instructions: [GuidanceInstruction])

    Parameters

    instructions

    The new instructions.

  • Reports that the distance to the next instruction has been updated.

    Declaration

    Swift

    func didUpdateDistanceToNextInstruction(
    distance: Measurement<UnitLength>,
    instructions: [GuidanceInstruction],
    currentPhase: InstructionPhase
)

    Parameters

    distance

    The distance to the next instruction.
    instructions

    The next instructions.
    currentPhase

    The current instruction phase.

  • Reports that a new announcement has been generated.

    Declaration

    Swift

    func didGenerateAnnouncement(announcement: GuidanceAnnouncement, shouldPlay: Bool)

    Parameters

    announcement

    The new announcement.
    shouldPlay

    Flag indicating whether the announcement should be played.

  • Reports that new lane guidance has been generated

    Declaration

    Swift

    func didStartLaneGuidance(laneGuidance: LaneGuidance)

    Parameters

    laneGuidance

    The new lane guidance.

  • Reports that lane guidance should be hidden.

    Declaration

    Swift

    func didEndLaneGuidance(laneGuidance: LaneGuidance)

    Parameters

    laneGuidance

    The lane guidance that should be hidden.