枚举成员
USAGE_NONE
USAGE_NONE:0
USAGE_MEDIA
USAGE_MEDIA:1
音乐流式播放的音频使用情况
USAGE_COMMUNICATION
USAGE_COMMUNICATION:2
电话/VoIP通话的音频使用情况
USAGE_ALARM
USAGE_ALARM:3
闹钟的音频使用情况
USAGE_NOTIFICATION
USAGE_NOTIFICATION:4
通知声音的音频使用情况
USAGE_ACCESSIBILITY
USAGE_ACCESSIBILITY:5
无障碍功能提示的音频使用情况
USAGE_GAME
USAGE_GAME:6
USAGE_NAVIGATION
USAGE_NAVIGATION:7
导航音频指令的音频使用情况
USAGE_RING
USAGE_RING:8
铃声播放的音频使用情况
USAGE_VOICE_ASSISTANT
USAGE_VOICE_ASSISTANT:9
语音助手 (TTS) 响应的音频使用情况
USAGE_FLASH_BRIEFING
USAGE_FLASH_BRIEFING:15
Alexa新闻每日简报等的音频使用情况
