inputstream.available() is 0 always

Question

I have no idea of what is happening to my code. i am getting no errors and no response as well. I am writing the data to the serialport and waiting for the response by activ

Answer 1

To partially answer your question.

From the javadocs

The available method for class InputStream always returns 0.

http://download.oracle.com/javase/6/docs/api/java/io/InputStream.html#available()

So that part at least is as expected