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Setting Up Voice Commands

Voice commands are global commands available anywhere on the head unit to users of your app. Once the user has opened your SDL app (i.e. your SDL app has left the HMI state of NONE) they have access to the voice commands you have setup. Your app will be notified when a voice command has been triggered even if the SDL app has been backgrounded.

Note

The head unit manufacturer will determine how these voice commands are triggered and some head units will not support voice commands.

You have the ability to create voice command shortcuts to your Main Menu cells which we highly recommended that you implement. Global voice commands should be created for functions that you wish to make available as voice commands that are not available as menu cells. We recommend creating global voice commands for common actions such as the actions performed by your Soft Buttons.

Creating Voice Commands

To create voice commands, you simply create and set VoiceCommand objects to the voiceCommands array on the screen manager.

VoiceCommand voiceCommand = new VoiceCommand(Collections.singletonList("Command One"), new VoiceCommandSelectionListener() {
    @Override
    public void onVoiceCommandSelected() {
        // <#Handle the VoiceCommand's Selection#>
    }
});

sdlManager.getScreenManager().setVoiceCommands(Collections.singletonList(voiceCommand));

Using RPCs

If you wish to do this without the aid of the screen manager, you can create AddCommand objects without the menuParams parameter to create global voice commands.

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