Turn on/off gprs code
===

Hi i am working on an application that need to turn on/off the gprs via code.
I am using this methord to check if connection is On/Off. But i have no idea to to on gprs if it is off

code

    NetworkInfo i = conMgr.getActiveNetworkInfo();
      if (i == null)
        return false;
      if (!i.isConnected())
        return false;
      if (!i.isAvailable())
        return false;
      return true;