adb shell screenrecord 录屏命令

adb_shell

screenrecord 命令在4.x后才有，有些手机需要root权限才能使用

i.e

# 开始录屏，输出文件为outputfile.mp4，直到手动（Ctrl-C）或者定时停止录屏
screenrecord outputfile.mp4

帮助命令

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.