require "import"
import "android.media.AudioManager"
import "android.content.Context"

-- 获取上下文对象
context = activity or service
audioManager = context.getSystemService(Context.AUDIO_SERVICE)
audioManager.setStreamVolume(AudioManager.STREAM_RING,2, 0)
audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, 4, 0)
audioManager.setStreamVolume(AudioManager.STREAM_NOTIFICATION, 2, 0)
service.asyncSpeak("音量降低")
return true