- direction
- The direction to adjust the volume. One of AudioManager.ADJUST_LOWER, AudioManager.ADJUST_RAISE, or AudioManager.ADJUST_SAME.
- suggestedStreamType
- The stream type that will be used if there isn't a relevant stream. AudioManager.UseDefaultStreamType is valid here.
- flags
- One or more flags.
Adjusts the volume of the most relevant stream, or the given fallback stream.
This method should only be used by applications that replace the platform-wide management of audio settings or the main telephony application.
This method has no effect if the device implements a fixed volume policy as indicated by AudioManager.IsVolumeFixed.