Command line script to record a video of your screen on Android and convert it to a animated gif

gif-record.sh

function process_video {
  # let Android finish the recording
  sleep 5

  # pull the video off the device
  adb pull /sdcard/video-to-gif.mp4 .
  adb shell rm /sdcard/video-to-gif.mp4

  mkdir recorded-gifs

  # convert video to images
  mplayer -ao null -vo png:z=9:outdir=recorded-gifs video-to-gif.mp4
  VIDEO=$?

  cd recorded-gifs

  # remove half the frames to speed up gif
  for file in `find dir -type f | awk 'NR % 2 == 0'`; do
    rm $file
  done

  # convert the pngs to gifs
  mkdir gifs
  sips -s format gif *.png --out gifs > /dev/null 2> /dev/null
  CONVERT=$?

  cd gifs

  # create an animated gif
  gifsicle --colors=256 --delay=0 --loopcount=0 --dither *.gif > recorded.gif
  GIF=$?

  # cleanup
  mv recorded.gif ../../.
  cd ../..
  rm -rf recorded-gifs

  # only delete the original video if everything was successful
  if [ $VIDEO -eq 0 ] && [ $CONVERT -eq 0 ] && [ $GIF -eq 0 ]
  then
    rm -f video-to-gif.mp4
    echo "Your gif has been saved to `pwd`/recorded.gif"
  else
    rm recorded.gif
    echo "There was a problem creating your gif, your original video has been saved to `pwd`/video-to-gif.mp4"
  fi
}

trap 'echo "\n Processing video now..."; process_video' SIGINT
echo 'Recording video, ctrl-c to stop recording'
adb shell screenrecord /sdcard/video-to-gif.mp4

Requires mplayer and gifsicle