Method for Controlling Display of Touchscreen, and Mobile Device

• US 20160313849A1
• Filed: 12/05/2013
• Published: 10/27/2016
• Est. Priority Date: 12/05/2013
• Status: Active Grant

• Current Assignee: Honor Device Company Limited
• Original Assignee: Huawei Device Company Limited (Huawei Investment & Holding Co., Ltd.)
• Inventors: Zhou, Jinfeng, Guo, Yukun, Wang, Zhengquan, Zhang, Wei
• Granted Patent: US 10,025,420 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G06F 2203/04806 Zoom, i.e. interaction techniques or interactors for controlling the zooming operation
• CPC Class Codes: G06F 2203/04808 Several contacts: gestures triggering a specific function, e.g. scrolling, zooming, right-click, when the user establishes several contacts with the surface simultaneously; e.g. using several fingers or a combination of fingers and pen
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures
• CPC Class Codes: G06F 3/04883 for inputting data by handwriting, e.g. gesture or text

Abstract

Embodiments of the present disclosure disclose a method for controlling display of a touchscreen, and a mobile device, which relate to the field of electronic device technologies, so that the mobile device can control to zoom-in or zoom-out displayed content on the touchscreen according to received information about two touches. The method in the present disclosure includes receiving first touch information, where the first touch information comprises a first touch position; receiving second touch information, where the second touch information comprises a second touch position; determining zooming times according to a distance between the first touch position and the second touch position; and zooming displayed content on the touchscreen according to a position relationship between the first touch position and the second touch position and the zooming times. The present disclosure is applicable to a mobile device.

Claims

1. A method for controlling display of a touchscreen of a mobile device, comprising:

receiving first touch information, wherein the first touch information comprises a first touch position;

dividing a display area of the touchscreen into a first display area and a second display area according to the first touch position, wherein a boundary between the first display area and the second display area passes the first touch position, or. dividing a display area of the touchscreen into four quadrants by using the first touch position as an origin, and wherein two quadrants in the four quadrants serve respectively as a first display area and a second play area;

receiving second touch information, wherein the second touch information comprises a second touch position;

determining zooming times according to a distance between the first touch position and the second touch position;

zooming in a displayed content on the touchscreen according to a position relationship when the second touch position is located in the first display area; and

zooming out the displayed content on the touchscreen according to the position relationship when the second touch position is located in the second display area.

6. The method according to claim 1, wherein zooming the displayed content on the touchscreen according to the position relationship between the first touch position and the second touch position and the zooming times comprises:

wholly zooming in the displayed content on the touchscreen;

or

partially zooming in the displayed content on the touchscreen.

7. The method according to claim 1, wherein partially zooming in the displayed content on the touchscreen comprises:

zooming in or zooming out a circular display area that uses the first touch position or the second touch position as a center and uses a preset length as a radius;

or

zooming a display area of a closed graph that uses the first touch position or the second touch position as a center and uses a preset length as a circumference.

8. The method according to claim 1, wherein determining the zooming times according to the distance between the first touch position and the second touch position comprises:

determining the distance according to coordinates of the first touch position and the coordinates of the second touch position;

determining a ratio of the distance to a preset distance and setting the ratio as the zooming times when the distance is greater than or equal to the preset distance; and

directly determining the zooming times according to the distance when a correspondence between the distance and the zooming times is preset.

9. The method according to claim 8, wherein the preset distance is a minimum distance for distinguishing the first touch position and the second touch position as two different positions.

10. The method according to claim 1, wherein a time interval between a moment for receiving the first touch information and a moment for receiving the second touch information is less than a preset time.

2-5. -5. (canceled)

11-21. -21. (canceled)

22. A method for controlling display of a touchscreen of a mobile device, comprising:

receiving first touch information, wherein the first touch information comprises a first touch position;

receiving second touch information, wherein the second touch information comprises a second touch position;

determining zooming times according to a distance between the first touch position and the second touch position;

determining a first difference and a second difference according to coordinates of the first touch position and coordinates of the second touch position, wherein the first difference is a difference between a horizontal coordinate of the first touch position and a horizontal coordinate of the second touch position, and the second difference is a difference between a vertical coordinate of the first touch position and a vertical coordinate of the second touch position; and

zooming a displayed content on the touchscreen according to the first difference, the second difference, and the zooming times.

23. The method according to claim 22, comprising at least one of:

zooming in the displayed content on the touchscreen when both the first difference and the second difference are positive;

zooming out the displayed content on the touchscreen when both the first difference and the second difference are negative;

zooming in the displayed content on the touchscreen when both the first difference and the second difference are negative; and

zooming out the displayed content on the touchscreen when both the first difference and the second difference are positive.

24. The method according to claim 22, comprising at least of:

zooming in the displayed content on the touchscreen when the first difference is positive and the second difference is negative;

zooming out the displayed content on the touchscreen when the first difference is negative and the second difference is positive;

zooming in the displayed content on the touchscreen when the first difference is negative and the second difference is positive; and

zooming out the displayed content on the touchscreen when the first difference is positive and the second difference is negative.

25. The method according to claim 22, wherein zooming the displayed content on the touchscreen according to a position relationship between the first touch position and the second touch position and the zooming times comprises:

wholly zooming in the displayed content on the touchscreen;

or

partially zooming in the displayed content on the touchscreen.

26. A mobile device, comprising:

a display;

one or more processors coupled to the display; and

a memory coupled to the one or more processors and configured to store programming for execution by the one or more processors, wherein the programming includes instructions for;

receiving first touch information, wherein the first touch information comprises a first touch position;

receiving second touch information, wherein the second touch information comprises a second touch position;

determining zooming times according to a distance between the first touch position and the second touch position;

zooming displayed content on a touchscreen according to a position relationship between the first touch position and the second touch position and the zooming times;

determining a first difference and a second difference according to coordinates of the first touch position and coordinates of the second touch position, wherein the first difference is a difference between a horizontal coordinate of the first touch position and a horizontal coordinate of the second touch position, and wherein the second difference is a difference between a vertical coordinate of the first touch position and a vertical coordinate of the second touch position; and

zooming the displayed content on the touchscreen according to the first difference, the second difference, and the zooming times.

27. The mobile device according to claim 26, wherein the programming further including instructions for:

zooming in the displayed content on the touchscreen when both the first difference and the second difference are positive, and zooming out the displayed content on the touchscreen when both the first difference and the second difference are negative;

or

zooming in the displayed content on the touchscreen when both the first difference and the second difference are negative, and zooming out the displayed content on the touchscreen when both the first difference and the second difference are positive.

28. The mobile device according to claim 27, wherein the programming further includes instructions for zooming in or zooming out a circular display area that uses the first touch position or the second touch position as a center and uses a preset length as a radius.

29. The mobile device according to claim 27, wherein the programming further includes instructions for zooming a display area of a closed graph that uses the first touch position or the second touch position as a center and uses a preset length as a circumference.

30. The mobile device according to claim 26, wherein determining zooming times according to the distance between the first touch position and the second touch position comprises:

determining the distance according to the coordinates of the first touch position and the coordinates of the second touch position;

determining a ratio of the distance to a preset distance; and

setting the ratio as the zooming times, wherein the distance is greater than or equal to the preset distance.

31. The mobile device according to claim 26, wherein a time interval between a moment for receiving the first touch information and a moment for receiving the second touch information is less than a preset time.