Android detect wakeup

detect_wakeup.rb

#!/usr/bin/ruby

last_wake_time=0


while true

  IO.popen("adb shell dumpsys power") do |p|

    while line = p.gets
      
      if /mLastWakeTime=(\d+)/=~line
        if last_wake_time!=$1
          last_wake_time=$1
          puts last_wake_time
        end
        break
      end
      
    end
  end

  sleep 1
  
end