The display screen is controlled to respond according to the difference value.

In some embodiments, the ambient light sensor is disposed facing an edge of the display region.

In some embodiments, a color of the predetermined picture is black.

The memory 302 is configured to store computer programs and data. The computer programs stored in the memory 302 include instructions executable in the processor. The computer programs may be combined into various functional modules. The processor 301 executes various functional applications and data processing by calling the computer programs stored in the memory 302.

In some embodiments, as illustrated in FIG. 10, the electronic device 300 further includes a radio frequency circuit 303, a display screen 304, a control circuit 305, an input unit 306, an audio circuit 307, a sensor 308, and a power source 309. The processor 301 is electrically coupled to the radio frequency circuit 303, the display screen 304, the control circuit 305, the input unit 306, the audio circuit 307, the sensor 308, and the power source 309, respectively.

The radio frequency circuit 303 is configured to receive and send a radio-frequency signal, to communicate with a network device or other electronic device through wireless communication.

The display screen 304 may be configured to display information entered by a user or information provided to the user and various graphical user interfaces of the electronic device, which may be composed of images, text, icons, video, and any combination thereof.