ADB录屏命令

开始录制命令

adb shell screenrecord /sdcard/demo.mp4

限制录制时间

参数: –time-limit

adb shell screenrecord  --time-limit 10 /sdcard/demo.mp4

说明:限制视频录制时间为10s,如果不限制,默认180s

指定视频分辨率大小

参数: –size

adb shell screenrecord --size 1280*720 /sdcard/demo.mp4

说明:录制视频，分辨率为1280*720，如果不指定默认使用手机的分辨率,为获得最佳效果，请使用设备上的高级视频编码(AVC)支持的大小

指定视频的比特率

参数: –bit-rate

adb shell screenrecord --bit-rate 6000000 /sdcard/demo.mp4

说明:指定视频的比特率为6Mbps,如果不指定,默认为4Mbps. 你可以增加比特率以提高视频质量或为了让文件更小而降低比特率

在命令行显示log

参数: –verbose

~$ adb shell screenrecord --time-limit 10 --verbose /sdcard/demo.mp4
Main display is 1080x1920 @60.00fps (orientation=0)
Configuring recorder for 1080x1920 video at 4.00Mbps
Content area is 1080x1920 at offset x=0 y=0
Time limit reached
Encoder stopping; recorded 96 frames in 10 seconds
Stopping encoder and muxer
Executing: /system/bin/am broadcast -a android.intent.action.MEDIA_SCANNER_SCAN_FILE -d file:///sdcard/demo.mp4
 
Broadcasting: Intent { act=android.intent.action.MEDIA_SCANNER_SCAN_FILE dat=file:///sdcard/demo.mp4 }
Broadcast completed: result=0

旋转90度

参数: –rotate

adb shell screenrecord --rotate /sdcard/demo.mp4

查看帮助命令

参数: –help

~$ 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.

导出视频

adb pull /sdcard/demo.mp4 ./

说明:导出视频到当前目录

Android版本要支持Android4.4(API level 19)以上
支持视频格式: mp4
录制视频的时候声音不会被录下来
不支持录制过程中屏幕旋转