뭔소리인지는 나중에 찬찬히 읽어봐야겠다
http://developer.radiusnetworks.com/2013/11/13/ibeacon-monitoring-in-the-background-and-foreground.html
뭔소리인지는 나중에 찬찬히 읽어봐야겠다
http://developer.radiusnetworks.com/2013/11/13/ibeacon-monitoring-in-the-background-and-foreground.html