I have been trying to record my phone screen (Nexus 5) through command prompt. I have also downloaded the SDK. For some unknown reason I am unable to open or play the file saved using this script:
$adb shell /sdcard/video.mp4
You can exec this command from the pc
$ adb shell screenrecord /sdcard/video.mp4
Need Android 4.4 (which you should have).
DevBytes: Android 4.4 - Recording App Videos: http://youtu.be/ETzRxxOK_bs
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Why does my recording never play? I have used the same adb commands to get a screen video. I get an mp4 file too. But it never plays in any player. – happyme Jun 5 '14 at 15:16
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Are you sure you are using the correct command to record? In your original Q you said your using the command $adb shell /sdcard/video.mp4 but you need to add in the word 'screenrecord' after the word shell. – Jonny Wright Jun 5 '14 at 15:55
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Yes I did, I did everything religiously! Even when I try and play it on windows media player it gives me the following message, "Windows Media Player cannot play the file. The Player might not support the file type or might not support the codec that was used to compress the file." – happyme Jun 5 '14 at 16:05
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1Have you tried playing it in another media player, such as VLC? I had some issues when trying to record directly from the device where it would create a 3.3kb file and not play, however running the command from Windows works fine for me. – Jonny Wright Jun 9 '14 at 17:14
adb shelljust invokes a shell, without further parameters an interactive one. All you pass to it should be run on the device. But you didn't pass a command, but just a file name. So what shall be achieved here? Copying the file to your computer to play it there, or have the video played on the device? – Izzy♦ Jun 3 '14 at 22:00