adb screenshot to desktop

screenshot.sh

#!/bin/bash

echo "$(basename "$0")"

KEEP_ON_PHONE=false
FILE_NAME="screenshot_$(date +"%Y-%m-%d_%H-%M-%S")"
TARGET_DIR_PHONE="//sdcard"
TARGET_DIR_COMP="$(pwd)"

printUsage() {
    echo "Usage: screenshot [-k] [-f <FILE_NAME>] [-p <TARGET_DIR_PHONE>] [-c <TARGET_DIR_COMP>]"
    echo "  -k KEEP_ON_PHONE: Keep thecap file on the phone. Default '${KEEP_ON_PHONE}'."
    echo "  -f FILE_NAME: Name of thecap file. No extension. Default screen_recording_<date>_<time>.mp4."
    echo "  -p TARGET_DIR_PHONE: Target directory on the phone. Default '${TARGET_DIR_PHONE}'."
    echo "  -c TARGET_DIR_COMP: Target directory on the computer. Default pwd."
}

while getopts "hkf:p:c:" OPT; do
    case "${OPT}" in
        k)
            KEEP_ON_PHONE=true
        ;;
        f)
            FILE_NAME="${OPTARG}"
        ;;
        p)
            TARGET_DIR_PHONE="${OPTARG}"
        ;;
        c)
            TARGET_DIR_COMP="${OPTARG}"
        ;;
        *)
            printUsage
            exit 1
        ;;
    esac
done

FULL_PATH_PHONE="${TARGET_DIR_PHONE}/${FILE_NAME}.png"
FULL_PATH_COMP="${TARGET_DIR_COMP}/${FILE_NAME}.png"

mkdir -p "${TARGET_DIR_COMP}"

function finish() {
    # Pull the recorded screencap from the device
    adb pull "${FULL_PATH_PHONE}" "${FULL_PATH_COMP}"

    echo "Screenshot taken and saved!"
    
    # Optionally remove the screen recording file from the device
    if ! ${KEEP_ON_PHONE} ; then 
        adb shell "rm '${FULL_PATH_PHONE}'"
    fi
}

trap finish SIGINT

echo "Press Ctrl+C to stop screenshot."

adb exec-out screencap -p "${FULL_PATH_PHONE}"

# Call the finish function explicitly when the script exits
finish