Honor Patente

Embodiments of this application disclose a terminal antenna and an electronic device, and relate to the field of antenna technologies. A metal material on a secondary screen is disposed in a targeted manner, so that the metal material like a metal frame on the secondary screen does not significantly affect normal operation of a main screen antenna in a closed state. The solution includes: a first radiation part and a second radiation part. The first radiation part is disposed on a first part. An operating frequency band of the first radiation part includes a first frequency band and a second frequency band. A center frequency of the second frequency band is higher than that of the first frequency band. The second radiation part is disposed on a second part. The second radiation part includes at least one of the following: at least one first radiation unit and at least one second radiation unit, where a ground point is disposed on the first radiation unit; a length of the first radiation unit is less than a quarter of a wavelength of the second frequency band; the second radiation unit is a suspended radiator; and a length of the second radiation unit is less than a half of the wavelength of the second frequency band.

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Embodiments of this application provide a power supply circuit and a related apparatus, used in the field of terminal technologies. The power supply circuit includes: an EIS module connected to a battery, a controller, and a power management module. The EIS module is connected to the controller, and the controller is connected to the power management module. The EIS module may detect an internal resistance of the battery and transmit the internal resistance of the battery to the controller. The controller may obtain a charge cutoff voltage and/or a charge cutoff current of the battery according to the internal resistance of the battery, and send a first control signal to the power management module. The power management module may control the charge cutoff voltage and/or the charge cutoff current of the battery according to the first control signal. In this way, a charging policy of the battery is adjusted by using the internal resistance of the battery that is detected by the EIS module. Based on the internal resistance of the battery, an aging degree of the battery is represented and adjusted, to reduce a case in which the charging policy does not match the aging degree of the battery, so as to reduce phenomena such as heat generation, bulging, and insufficient charging of the battery, and improve safety of the battery.

Embodiments of this application are applied to the field of voice control technologies, and provide a voice control method, a device selection method, and an electronic device. When a first electronic device receives a voice instruction sent by a user, the first electronic device sends an action instruction to a target device according to the voice instruction when the voice instruction includes a wakeup keyword corresponding to the target device, where the action instruction is used for representing an action that the user wants the target device to execute in the voice instruction. In this application, remote interaction between electronic devices can be implemented, accuracy of action execution of a target device is improved, and interaction experience of the user is further improved.

This application provides a photographing parameter setting method and an electronic device. In the method, an electronic device delivers an exposure parameter to hardware at an SOF of an Nth frame, so that the new exposure parameter starts to take effect in an (N+2)th frame. In addition, a new aperture parameter is enabled to start to take effect at an EOF of the Nth frame, thereby effectively reducing impact of aperture adjustment on the image frame.

This application discloses a transition animation effect playing method, and pertains to the field of interface switching technologies. The method includes: displaying, by an electronic device, a first interface, where the first interface includes a first control; performing a drawing operation on a second interface in response to a tap operation input by a user on the first control; sending an animation effect start notification message to a target animation effect playing thread after the drawing operation on the second interface is completed; drawing, by the target animation effect playing thread, a transition animation effect between the first interface and the second interface in response to the animation effect start notification message; and displaying, by the electronic device, the second interface after display of a plurality of frames of animation effect pictures is completed. In this way, compared with a solution in which a Vsync signal is used to trigger to draw a transition animation effect, in this application, after the animation effect playing thread receives the animation effect start notification message, a procedure of drawing a transition animation effect can be triggered without waiting for triggering by a Vsync signal. In this case, a tap response delay can be shortened by half a Vsync period on average.

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