PORTABLE TERMINAL DEVICE, METHOD FOR CONTROLLING PORTABLE TERMINAL DEVICE, PROGRAM EXECUTED BY PORTABLE TERMINAL DEVICE, AND CARDLE FOR PORTABLE TERMINAL DEVICE

摘要

A portable terminal includes a control device that inhibits reception of an operator's operation input to a home button until coupling of the portable terminal to an onboard device is intercepted when the portable terminal is coupled to the onboard device an predetermined application software is operating in the portable terminal. The predetermined application software transmits details of the operator's operation input to a touch panel of the portable terminal to application software that is operating in the onboard device so as to control a screen displayed on an onboard display.