using the serial-port-api with an i.MX53

[GoogleCodeExporter]

What steps will reproduce the problem?
1.lunch the app
2.choosing to send a command using the mFileOutputStream.write
3.the activity is on the background

What is the expected output? What do you see instead?
the activity has to stay in the foreground not in the background

What version of the product are you using? On what operating system?
I workin on the android 2.3.4 gingerbread on an i.MX53 board

Please provide any additional information below.
the application sending the command without any probleme. but it goes to 
background

Original issue reported on code.google.com by spx94...@gmail.com on 11 Jun 2012 at 12:38