adb shell --help


说明：4.4以上设备可以用来录制视频，不需要root权限，极为方便。

E:\workspace\TaoParking\script>adb shell screenrecord --help

Usage: screenrecord [options] <filename>


Records the device's display to a .mp4 file.


Options:

--size WIDTHxHEIGHT

Set the video size, e.g. "1280x720". Default is the device's main

display resolution (if supported), 1280x720 if not. For best results,

use a size supported by the AVC encoder.

--bit-rate RATE

Set the video bit rate, in megabits per second. Default 4Mbps.

--time-limit TIME

Set the maximum recording time, in seconds. Default / maximum is 180.

--rotate

Rotate the output 90 degrees.

--verbose

Display interesting information on stdout.

--help

Show this message.


Recording continues until Ctrl-C is hit or the time limit is reached.