public static String getOSVersion() {
        String swVersion = null;
        ApplicationManager appMan = ApplicationManager.getApplicationManager();
        ApplicationDescriptor[] appDes = appMan.getVisibleApplications();

        int size = appDes.length;
        for (int i = 0; i < size; i++){
            if ((appDes[i].getModuleName()).equals("net_rim_bb_ribbon_app")) {
                swVersion = stripBuildId(appDes[i].getVersion());
                break;
            }
        }
        return swVersion;
    }

    public static int[] getOSVersionInt() {
        String version = getOSVersion();
        Vector result = new Vector();
        int num = version.length();
        int start = 0;
        int end = 0;
        for (int i = 0; i < num; i++) {
            char ch = version.charAt(i);
            if (ch == '.' || i == num - 1) {
                end = (i == num - 1) ? i + 1 : i;
                result.addElement(version.substring(start, end));
                start = end + 1;
            }
        }
        num = result.size();
        int[] resultArr = new int[num];
        for (int i = 0; i < num; i++) resultArr[i] = Integer.parseInt((String)result.elementAt(i));

        return resultArr;
    }

    public static String getUserAgent() {
        String version = getOSVersion();
        return "BlackBerry" + DeviceInfo.getDeviceName() + "/" + version + " "
        + "Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/" + Branding.getVendorId();
    }

    private static String stripBuildId(String version) {
        int index = version.lastIndexOf('.');
        return version.substring(0, index);
    }

protected boolean touchEvent(TouchEvent message) {
  switch(message.getEvent()) {
  case TouchEvent.GESTURE:
    TouchGesture gesture = message.getGesture();
     switch(gesture.getEvent()) {
     case TouchGesture.SWIPE:
       if(gesture.getSwipeDirection() == TouchGesture.SWIPE_EAST) {
         Dialog.alert("Eastward swipe occurred");
         return true;
       } else if(gesture.getSwipeDirection() == TouchGesture.SWIPE_WEST) {
         Dialog.alert("Westward swipe occurred");
         return true;
       }
     }
  }
  return super.touchEvent(message);
}