ADB Command to set volume?

Question

Is there any Adb command to set the volume to a particular value? I know that we can do

adb shell input keyevent 

for volume up and down b

Answer 1

On a rooted phone you can call setMasterVolume() with service call audio i32 . The codes are version specific. Let's say you want to set volume to 50% on a KitKat device. The command will be:

service call audio 9 i32 50