Ok just want to inform that now I got everything working. Had to includ Touch library and calibrate.
As for the compiling error with
unknown type name ‘lv_obj_t’
That was caused because my Project name had space letter inbetween.
for e.g.: E Bike Menu GUI renamed to E_Bike_Menu_GUI
The Project name is defined in ui.h
#ifndef _E_Bike_Menu_GUI_UI_UI_H
#define _E_Bike_Menu_GUI_UI_UI_H
Now having space letters here will give compiling error.
Porblem solved!
Thanks for your help