ELECTRONIC DEVICE AND METHOD FOR ADJUSTING FONT SIZE OF TEXT DISPLAYED ON DISPLAY SCREEN

摘要

A method for automatically adjusting a font size of a text displayed on a display screen of an electronic device is provided. The electronic device includes a distance sensor. The method sets a font display rule for displaying the text on the display screen when a user uses a reader software to view the text. The distance sensor senses a current distance between the user and the display screen in real time. The method calculates a proper font size of the displayed text according to the font display rule and the current distance, generates an adjustment command according to the proper font size of the displayed text, and controls the reader software to adjust the current font size of the displayed text to the proper font size according to the adjustment command.

主权项

1. An electronic device, comprising:
a display screen, a distance sensor, and at least one processor; and a storage device storing a computer-readable program including instructions that, which when executed by the at least one processor, causes the at least one processor to: set a font display rule for displaying a text on the display screen when a user uses a reader software to view the text; receive an activating signal when the reader software is activated, and control the distance sensor to detect a current distance between the user and the display screen according to activating signal; detect a current font size of the text displayed on the display screen, and calculate a proper font size of the displayed text according to the font display rule, the current distance and the current font size; and generate an adjustment command according to the proper font size of the displayed text, and control the reader software to adjust the current font size of the displayed text to the proper font size according to the adjustment command.