AudioVolumeType

每个值代表不同的音量类型，例如媒体、语音通话、导航等。 具体使用情况参见以下项中的音量函数：

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枚举成员

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VOLUME_TYPE_DEFAULT

VOLUME_TYPE_DEFAULT: -1

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VOLUME_TYPE_MEDIA

VOLUME_TYPE_MEDIA: 0

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VOLUME_TYPE_VOICE_ASSISTANT

VOLUME_TYPE_VOICE_ASSISTANT: 1

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VOLUME_TYPE_VOICE_CALL

VOLUME_TYPE_VOICE_CALL: 2

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VOLUME_TYPE_RING

VOLUME_TYPE_RING: 3

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VOLUME_TYPE_ALARM

VOLUME_TYPE_ALARM: 4

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VOLUME_TYPE_NOTIFICATION

VOLUME_TYPE_NOTIFICATION: 5

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VOLUME_TYPE_ACCESSIBILITY

VOLUME_TYPE_ACCESSIBILITY: 6

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VOLUME_TYPE_SYSTEM

VOLUME_TYPE_SYSTEM: 7

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VOLUME_TYPE_NAVIGATION

VOLUME_TYPE_NAVIGATION: 8

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