# 通过 ADB Shell 调节音量

## 方法一

可以通过模拟音量建的方法进行调节：

```bash
adb shell input keyevent
```

## 方法二

```bash
adb shell media volume --stream <n> --adj <lower|same|raise>
```

一般而言，stream 有如下配置

* stream0=STREAM_VOICE_CALL
* stream1=STREAM_SYSTEM
* stream2=STREAM_RING
* stream4=STREAM_ALARM
* stream5=STREAM_NOTIFICATION
* stream6=STREAM_BLUETOOTH_SCO
* stream7=STREAM_SYSTEM_ENFORCED
* stream8=STREAM_DTMF
* stream9=STREAM_TTS
* stream10=STREAM_ACCESSIBILITY
* stream11=STREAM_VR_TTS
* stream12=STREAM_NAVI_TTS
* stream13=STREAM_TUNER
* stream14=STREAM_ICALL
* stream15=STREAM_CARPLAY_ALT
* stream16=STREAM_MOIVE
* stream17=STREAM_USB_MUSIC
* stream18=STREAM_QQ_MUSIC
* stream19=STREAM_BT_MUSIC
* stream20=STREAM_XMLY_MUSIC