1)Xposed installer must be installed.
2)Gravity Box must be installed.It may be installed through Xposed installer itself from "Download" section.
3)Above applications must be of same android version of the phone(Jellybean,Kitkat or Lollypop)
Open Xposed Installer and follow the steps below:
Click on Framework,then select "Do not show this box again" and then click OK.Then click on Install/update.Grant super User request if asked.Then Cancel the reboot option.
Then Go back and Select Modules.Check Gravity Box.Now its almost done.
Reboot then Open Gravity-Box and do settings as per your requirements.
1)For Status-bar settings:
Open gravity-box and select Status-bar tweaks,then go to Quick-setting management.Then press on Status-bar quick-settings tiles and select the tiles you want to display,then press OK.Then select tiles per row(You can select 3,4 or 5)
1)For data traffic monitor settings:
Inside status-bar tweaks,select Data traffic monitor.Enable Data traffic monitor style(Simple or Omni) .Select Position of display(auto,left or right),select display size(normal,smaller or smallest.