adb shell input keyevent code详解
adb shell input keyevent 7 # for key ‘0’
adb shell input keyevent 8 # for key ‘1’
adb shell input keyevent 29 # for key ‘A’
adb shell input keyevent 54 # for key ‘B’

官方keyevent文档
地址: https://developer.android.com/reference/android/view/KeyEvent.html

电话键

控制键

基本

多媒体键