Android 2.2. How to set up serial port(com,rfcomm) port?

Android 2.2. 

How to set up 

serial port

(com,rfcomm) port?

http://stackoverflow.com/questions/4503740/android-2-2-how-to-set-up-serial-portcom-rfcomm-port

Activate Bluetooth SPP in Android?

http://stackoverflow.com/questions/4031434/activate-bluetooth-spp-in-android

This might answer your question ..http://source.android.com/porting/bluetooth.html#androidBluetoothFeatures

SPP (or ability to use Java API's to establish RFCOMM channels) is available from Android (2.0/2.1) release (Eclair) onwards

http://goldenking.tistory.com/10

http://blog.naver.com/oh4zzang/40111958220

http://bwoh.tistory.com/42

http://arsviator.blogspot.kr/2010/05/%EC%95%88%EB%93%9C%EB%A1%9C%EC%9D%B4%EB%93%9C-%EB%B8%94%EB%A3%A8%ED%88%AC%EC%8A%A4-%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%B0%8D-bluewatch-project-2.html