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SDLManagerDelegate Protocol Reference

Section Contents

Overview

Undocumented

-managerDidDisconnect

Called upon a disconnection from the remote system.

Objective-C

- (void)managerDidDisconnect;

Swift

func managerDidDisconnect()

-hmiLevel:didChangeToLevel:

Called when the HMI level state of this application changes on the remote system. This is equivalent to the application’s state changes in iOS such as foreground, background, or closed.

Objective-C

- (void)hmiLevel:(nonnull SDLHMILevel)oldLevel
    didChangeToLevel:(nonnull SDLHMILevel)newLevel;

Swift

func hmiLevel(_ oldLevel: SDLHMILevel, didChangeToLevel newLevel: SDLHMILevel)

Parameters

oldLevel

The previous level which has now been left.

newLevel

The current level.

-audioStreamingState:didChangeToState:

Called when the audio streaming state of this application changes on the remote system. This refers to when streaming audio is audible to the user.

Objective-C

- (void)audioStreamingState:(nullable SDLAudioStreamingState)oldState
           didChangeToState:(nonnull SDLAudioStreamingState)newState;

Swift

optional func audioStreamingState(_ oldState: SDLAudioStreamingState?, didChangeToState newState: SDLAudioStreamingState)

Parameters

oldState

The previous state which has now been left.

newState

The current state.

-systemContext:didChangeToContext:

Called when the system context of this application changes on the remote system. This refers to whether or not a user-initiated interaction is in progress, and if so, what it is.

Objective-C

- (void)systemContext:(nullable SDLSystemContext)oldContext
    didChangeToContext:(nonnull SDLSystemContext)newContext;

Swift

optional func systemContext(_ oldContext: SDLSystemContext?, didChangeToContext newContext: SDLSystemContext)

Parameters

oldContext

The previous context which has now been left.

newContext

The current context.

-managerShouldUpdateLifecycleToLanguage:

Called when the lifecycle manager detected a language mismatch. In case of a language mismatch the manager should change the apps registration by updating the lifecycle configuration to the specified language. If the app can support the specified language it should return an Object of SDLLifecycleConfigurationUpdate, otherwise it should return nil to indicate that the language is not supported.

Objective-C

- (nullable SDLLifecycleConfigurationUpdate *)
managerShouldUpdateLifecycleToLanguage:(nonnull SDLLanguage)language;

Swift

optional func managerShouldUpdateLifecycle(toLanguage language: SDLLanguage) -> SDLLifecycleConfigurationUpdate?

Parameters

language

The language of the connected head unit the manager is trying to update the configuration.

Return Value

An object of SDLLifecycleConfigurationUpdate if the head unit language is supported, otherwise nil to indicate that the language is not supported.

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