java - InputStream.read() is either missing or adding a value in my buffer - How come? -

i've created following procedure in run() method of connectedthread taken bluetoothchat sample.

// read inputstream byte[] buffer = new byte[16]; int offset = 0; while(buffer.length-offset != 0) {     int bytesread += mminstream.read(buffer, offset, buffer.length-offset);     offset += bytesread; } // stuff contents of buffer 

the buffer loaded in 16 bytes gradually expected reason @ 10th byte in array 0 inserted , shifts remaining part of package(and such corrupting entire package)

here example of happening

the following sent other client :

[-11, 126, -16, -30, -92, 110, -26, 13, 22, 91, -31, 32, 54, -125, -112, 45]

this receive :

[-11, 126, -16, -30, -92, 110, -26, 13, 22, 91, 0, -31, 32, 54, -125, -112]

as can see, 0 pushed in 10th byte , rest of package shifted right(cutting off last byte)

as part of debugging process tried having breakpoint @ bytesread += mminstream.read(buffer, offset, buffer.length-offset) , our surprise entire original message received. gives?

how "break" in reads correct issue? doing wrong or not understanding?

probably meant

bytesread = mminstream.read(buffer, offset, buffer.length-offset); offset += bytesread; 

instead of

bytesread += ...