HC-05 sending and receiver date

I am doing connection arduino (hc-05) with android device, the codec of side android i already have, my problem is in side of arduino, i need a example about how receiver and send date...help me

You might find the following background notes useful

http://homepages.ihug.com.au/~npyner/Arduino/GUIDE_2BT.pdf
http://homepages.ihug.com.au/~npyner/Arduino/BT_2_WAY.ino

The examples in Serial Input Basics are simple reliable ways to receive data.

...R