adb shell wm命令获取屏幕相关信息

adb_shell

wm命令在4.x才有的，不同的版本下部分参数不同

wm [subcommand] [options]
获取屏幕大小:wm size
获取屏幕密度:wm density

i.e.

# 当前分辨率 width x height
wm size
> Physical size: 720x1280
# 当前屏幕密度
wm density
> Physical density: 320

# 改变屏幕的分辨率
wm size 1080x1920
# 重置分辨率
wm size reset

# 截屏命令
wm screen-capture

查看帮助命令

shell@htc_himauhl:/ $ wm
usage: wm [subcommand] [options]
       wm size [reset|WxH|WdpxHdp]
       wm density [reset|DENSITY]
       wm overscan [reset|LEFT,TOP,RIGHT,BOTTOM]
       wm scaling [off|auto]
       wm screen-capture [userId] [true|false]
wm size: return or override display size.
         width and height in pixels unless suffixed with 'dp'.
wm density: override display density.
wm overscan: set overscan area for display.
wm scaling: set display scaling mode.
wm screen-capture: enable/disable screen capture.
wm dismiss-keyguard: dismiss the keyguard, prompting the user for auth if necessary.