GoogleNavigation Framework Reference
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GMSVoiceGuidanceAudioDeviceType
enum GMSVoiceGuidanceAudioDeviceType : NSInteger {}
Determines what type of audio devices voice guidance may be played through.
-
Voice guidance plays only through the built-in device speaker or headphones.
Declaration
Swift
case builtInOnly = 0
Objective-C
GMSVoiceGuidanceAudioDeviceTypeBuiltInOnly = 0
-
Voice guidance plays over a bluetooth connection if available, else it uses the built-in device
speaker or headphones.
Declaration
Objective-C
GMSVoiceGuidanceAudioDeviceTypeBluetooth
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Last updated 2025-08-27 UTC.
[null,null,["Last updated 2025-08-27 UTC."],[[["\u003cp\u003e\u003ccode\u003eGMSVoiceGuidanceAudioDeviceType\u003c/code\u003e is an enum used to control audio output for voice guidance.\u003c/p\u003e\n"],["\u003cp\u003eIt offers two options: \u003ccode\u003ebuiltInOnly\u003c/code\u003e restricts audio to the device's built-in speaker or headphones, while \u003ccode\u003ebluetooth\u003c/code\u003e prioritizes Bluetooth but falls back to the built-in audio if unavailable.\u003c/p\u003e\n"]]],[],null,["# GoogleNavigation Framework Reference\n\nGMSVoiceGuidanceAudioDeviceType\n===============================\n\n enum GMSVoiceGuidanceAudioDeviceType : NSInteger {}\n\nDetermines what type of audio devices voice guidance may be played through.\n- `\n ``\n ``\n `\n\n ### [GMSVoiceGuidanceAudioDeviceTypeBuiltInOnly](#/c:@E@GMSVoiceGuidanceAudioDeviceType@GMSVoiceGuidanceAudioDeviceTypeBuiltInOnly)\n\n `\n ` \n Voice guidance plays only through the built-in device speaker or headphones. \n\n #### Declaration\n\n Swift \n\n case builtInOnly = 0\n\n Objective-C \n\n GMSVoiceGuidanceAudioDeviceTypeBuiltInOnly = 0\n\n- `\n ``\n ``\n `\n\n ### [GMSVoiceGuidanceAudioDeviceTypeBluetooth](#/c:@E@GMSVoiceGuidanceAudioDeviceType@GMSVoiceGuidanceAudioDeviceTypeBluetooth)\n\n `\n ` \n Voice guidance plays over a bluetooth connection if available, else it uses the built-in device\n speaker or headphones. \n\n #### Declaration\n\n Swift \n\n case bluetooth = 1\n\n Objective-C \n\n GMSVoiceGuidanceAudioDeviceTypeBluetooth"]]
