User Activity

This is the application code, which I'm writing on GUI_App.c ,for (uint8_t i = 1; i < 5; i++) { GUI_DispDecAt(i, (LCD_GetXSize() - 150) / 2, (LCD_GetYSize() - 20) / 2, 1); GUI_Delay(1000);}can anyone please guide me through this, thanks in advan...