Abstract: The embodiments of the present disclosure discloses a method and electronic device for adjusting video subtitles, which includes: first, obtaining a to-be-played video and subtitles corresponding to the video; obtaining subtitle adjusting parameters if the video is required to be played; adjusting a size of the subtitles corresponding to the video according to the subtitle adjusting parameters to obtain the subtitles corresponding to the subtitle adjusting parameters; and packaging the adjusted subtitles to the video and playing the video packaged with the subtitles. By solution disclosed in the disclosure, a terminal device can adjust, when a video is played, the size of the subtitles according to subtitle adjusting parameters, thereby being convenient for a user to watch.

Abstract: The present disclosure relates to a method and device for controlling brightness of a display screen, applied to a terminal, including: obtaining remaining safe quantity of electricity of the terminal and obtaining a remaining duration of a video when the video is played in full screen at the terminal; determining a target brightness value of the display screen when the playing of the video corresponding to the remaining duration in full screen state is completed, according to the remaining safe quantity of electricity; and regulating a brightness value of the display screen of the terminal to the target brightness value. The method can realize that screen brightness values corresponding to a video available for the user to watch are automatically set without quitting the full screen mode during the video is played in full screen.