auto launch scrcpy on android device connect

monitor_device_connected.sh

#!/bin/bash

export PATH="/Users/suwardhana/Library/Android/sdk/platform-tools:$PATH"

ADB="/Users/suwardhana/Library/Android/sdk/platform-tools/adb"
SCRCPY="/usr/local/bin/scrcpy"
LOG="/tmp/monitor-android.log"

echo "Starting Android device monitor..." >> "$LOG"

while true; do
    DEVICE_COUNT=$($ADB devices | awk '/device$/{count++} END{print count+0}')
    SCRCPY_RUNNING=$(pgrep -x scrcpy >/dev/null && echo true || echo false)

    if [ "$DEVICE_COUNT" -gt 0 ] && [ "$SCRCPY_RUNNING" = false ]; then
        echo "Device connected. Launching scrcpy..." >> "$LOG"
        "$SCRCPY" >/dev/null 2>&1 &
    elif [ "$DEVICE_COUNT" -eq 0 ] && [ "$SCRCPY_RUNNING" = true ]; then
        echo "Device disconnected. Stopping scrcpy..." >> "$LOG"
        pkill -x scrcpy
    fi

    sleep 5
done