A method for operating an electronic device includes displaying a first input window on a screen, displaying a first input window in a first layer on a screen; displaying a virtual keyboard in a second layer over the first layer; determining whether the virtual keyboard is overlapped with the first input window; and in response to determine whether the virtual keyboard is overlapped with the first input window: displaying a second input window in a third layer over the second layer wherein the second input window is not overlapped with the virtual keyboard, or adjusting a transparency of the virtual keyboard. Other embodiments including an electronic device and a computer-readable medium are also disclosed.