CN107102808B - Desktop returning method and system - Google Patents
Desktop returning method and system Download PDFInfo
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- CN107102808B CN107102808B CN201710244331.3A CN201710244331A CN107102808B CN 107102808 B CN107102808 B CN 107102808B CN 201710244331 A CN201710244331 A CN 201710244331A CN 107102808 B CN107102808 B CN 107102808B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/048—Indexing scheme relating to G06F3/048
- G06F2203/04808—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
Abstract
The invention provides a desktop returning method, which is applied to touch display equipment and comprises the following steps: when detecting that a plurality of touch sensing points exist on a touch screen of the touch display device, judging whether the plurality of touch sensing points are concentrated into two touch sensing areas; if yes, judging whether the touch sensing points in the two touch sensing areas move oppositely or not; and if so, returning to display the desktop of the touch display equipment. According to the desktop returning method and the desktop returning system, when a user wants to return to the desktop of the touch display device, the user only needs to put fingers of two hands on the touch screen of the touch display device, and then slides the two hands on the touch screen oppositely, so that the desktop of the touch display device can be returned to be displayed. Therefore, according to the desktop returning method and system, the operation of returning to the desktop can be completed by adopting the specific gesture on the touch screen, the experience is good, and the smoothness of the operation is improved.
Description
Technical Field
The invention relates to the technical field of touch display, in particular to a desktop returning method and a desktop returning system.
Background
With the rapid development and application of information technology, wireless mobile communication, information appliances and touch display technology, touch display devices have been developed for the purpose of more convenience in carrying, lighter volume and more humanization in operation, and touch display devices (such as large-screen touch display panels) are input/output devices formed by combining touch technology, display technology and communication technology, and are widely used in life.
As is well known, in the use of a touch display device, it is usually necessary to return to the desktop.
In the prior art, when an operation of returning to a desktop is performed, it is often necessary to find and click an "exit" button of a current application or press a home physical key (or a home virtual key) to return to the desktop of the touch display device. However, in the specific using process of the scheme for returning to the desktop, the user experience is poor, the operation is not smooth easily, particularly for some large-screen touch display panels, the process of searching for the [ exit ] button on a large screen or pressing the lower home physical key (or home virtual key) is troublesome, and meanwhile, the home key is easily damaged even if the desktop is returned by the home key for a long time.
Disclosure of Invention
Based on the above, the invention aims to provide a desktop returning method and system with good experience.
The desktop returning method is applied to touch display equipment and comprises the following steps:
when detecting that a plurality of touch sensing points exist on a touch screen of the touch display device, judging whether the plurality of touch sensing points are concentrated into two touch sensing areas;
if yes, judging whether the touch sensing points in the two touch sensing areas move oppositely or not;
and if so, returning to display the desktop of the touch display equipment.
In addition, the desktop returning method according to the above embodiment of the present invention may further have the following additional technical features:
further, before the step of determining whether the touch sensing points are concentrated into two touch sensing areas, the method further includes:
and combining all the touch sensing points with the adjacent distance smaller than a first preset value into one touch sensing area.
Further, after the step of determining whether the touch sensing points are concentrated into two touch sensing areas, the method further includes:
if so, judging whether the quantity of the touch sensing points in the two touch sensing areas is a preset quantity or not;
and if so, executing the step of judging whether the touch sensing points in the two touch sensing areas move oppositely.
Further, after the step of determining whether the touch sensing points are concentrated into two touch sensing areas, the method further includes:
if so, judging whether the distance between the two touch sensing areas is larger than a second preset value or not;
and if so, executing the step of judging whether the touch sensing points in the two touch sensing areas move oppositely.
Further, the step of determining whether the distance between the two touch sensing areas is greater than a second predetermined value includes:
calculating the distance between each touch sensing point in the touch sensing area and all touch sensing points in the other touch sensing area;
comparing all the calculated induction point distances, and taking the minimum induction point distance as the distance between the two touch induction areas;
and judging whether the minimum induction point distance is larger than a second preset value or not.
The desktop returning system provided by the embodiment of the invention is applied to touch display equipment, and comprises:
the touch sensing area judging module is used for judging whether a plurality of touch sensing points are concentrated into two touch sensing areas or not when the touch sensing points are detected to exist on the touch screen of the touch display equipment;
the opposite movement judging module is used for judging whether the touch sensing points in the two touch sensing areas move oppositely or not when judging that the touch sensing points in the plurality of touch sensing point sets form the two touch sensing areas;
and the desktop returning module is used for returning and displaying the desktop of the touch display equipment when the touch induction points in the two touch induction areas move oppositely.
In addition, the desktop returning system according to the above embodiment of the present invention may further have the following additional technical features:
further, the desktop return system further comprises:
and the sensing point processing module is used for combining all the touch sensing points with the adjacent distance smaller than a first preset value into one touch sensing area when detecting that a plurality of touch sensing points exist on the touch screen.
Further, the desktop return system further comprises:
the touch control device comprises a sensing point quantity judging module, a touch control sensing area judging module and a touch control sensing area judging module, wherein the sensing point quantity judging module is used for judging whether the quantity of the touch control sensing points in the two touch control sensing areas is a preset quantity when judging that the touch control sensing points are concentrated into the two touch control sensing areas;
when the quantity of the touch sensing points in the two touch sensing areas is judged to be the preset quantity, the opposite motion judging module judges whether the touch sensing points in the two touch sensing areas move oppositely or not.
Further, the desktop return system further comprises:
the distance judging module is used for judging whether the distance between the two touch sensing areas is greater than a second preset value or not when the touch sensing points are concentrated into the two touch sensing areas;
when the distance between the two touch sensing areas is judged to be larger than the second preset value, the opposite movement judging module judges whether the touch sensing points in the two touch sensing areas move oppositely or not.
Further, the distance determination module includes:
the calculating unit is used for calculating the distance between each touch sensing point in the touch sensing area and all the touch sensing points in the other touch sensing area;
the comparison unit is used for comparing all the calculated induction point distances and taking the minimum induction point distance as the distance between the two touch control induction areas;
and the judging unit is used for judging whether the minimum induction point distance is larger than a second preset value or not.
According to the desktop returning method and the desktop returning system, when a user wants to return to the desktop of the touch display device, the user can touch the touch screen of the touch display device through the gathered fingers (or a single finger) of two hands, at the moment, the touch screen is detected to have a plurality of touch sensing points, the touch sensing points are necessarily concentrated into two touch sensing areas, then the gathered fingers of the two hands slide on the touch screen in a relative direction, the touch sensing points in the two touch sensing areas necessarily move in a relative direction according to a touch principle, and the desktop of the touch display device can be returned to be displayed. Therefore, according to the desktop returning method and system, the operation of returning to the desktop can be completed by adopting the specific gesture on the touch screen, the experience is good, and the smoothness of the operation is improved.
Drawings
Fig. 1 is a flowchart of a desktop return method in a first embodiment of the present invention.
Fig. 2 is a flowchart of a desktop return method in a second embodiment of the present invention.
Fig. 3 is a flowchart illustrating an embodiment of step S14 in fig. 2.
FIG. 4 is a diagram illustrating a return gesture to a desktop.
Fig. 5 is a schematic structural diagram of a desktop return system in a third embodiment of the present invention.
Description of the main element symbols:
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| Touch sensing |
11 | Opposite |
12 |
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13 | Sensing |
14 |
| Sensing point |
15 | |
16 |
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161 | |
162 |
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163 |
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a desktop returning method applied to a touch display device in a first embodiment of the present invention is shown, and includes steps S01 to S03.
Step S01, when it is detected that a plurality of touch sensing points exist on the touch screen of the touch display device, determining whether the plurality of touch sensing points are concentrated into two touch sensing areas.
It is understood that, according to the touch control principle, when the touch screen is touched, the touch screen will sense the touch at the corresponding position, so as to generate the touch sensing point, and therefore, when the touch screen is detected to have a plurality of touched sensing points, it represents that a plurality of points (such as a plurality of fingers of a user) are touching the touch screen.
It should be noted that when two touch sensing points are close to each other, the two touch sensing points can be divided into the same sensing area, and therefore all the touch sensing points in the touch sensing area are necessarily close to each other. If the user touches the touch screen with the four fingers which are closed together, the touch screen generates four touch sensing points, and the four touch sensing points are concentrated in one touch sensing area at the moment because the four touch sensing points are close to each other.
When it is determined in the step S01 that the touch sensing points are concentrated into two touch sensing areas, the step S02 is executed, and when it is determined in the step S01 that the touch sensing points are not concentrated into two touch sensing areas, the operation is not performed, and the detection is continued.
Step S02, determining whether the touch sensing points in the two touch sensing areas move in opposite directions.
The judging whether the touch sensing points in the two touch sensing areas move oppositely refers to judging whether the touch sensing points in the touch sensing areas move oppositely relative to the touch sensing points in the other touch sensing area.
It can be understood that when two touch points touching the touch screen move oppositely on the touch screen, the corresponding two touch sensing points also move oppositely correspondingly. Therefore, when it is determined in step S02 that the touch sensing points in the two touch sensing areas move towards each other, it represents that the touch points (the points touching the touch screen) on the two touch sensing areas move towards each other accordingly. For example, when the user touches the touch-sensitive screen with the four fingers of the both hands that are drawn together, and when doing the motion in opposite directions on the touch-sensitive screen, the touch-sensitive screen will produce eight touch-sensitive induction points, and will concentrate on two in the touch-sensitive district, every will contain four in the touch-sensitive district touch-sensitive induction points, simultaneously when the four fingers of the both hands that are drawn together are in when doing the motion in opposite directions on the touch-sensitive screen, two four in the touch-sensitive district touch-sensitive induction points will correspondingly do the motion in opposite directions.
When it is determined in the step S02 that the touch sensing points in the two touch sensing areas move in opposite directions, the step S03 is executed, and when it is determined in the step S02 that the touch sensing points in the two touch sensing areas do not move in opposite directions, the operation is not performed, and the detection is continued.
And step S03, returning to display the desktop of the touch display equipment.
In summary, in the desktop returning method in the above embodiments of the present invention, when a user wants to return to the desktop of the touch display device, the user can touch the closed fingers (or a single finger) of the two hands on the touch screen of the touch display device, and at this time, it is detected that a plurality of touch sensing points exist on the touch screen, and the touch sensing points are necessarily collected into two touch sensing areas, and then the closed fingers of the two hands slide on the touch screen in an opposite direction. Therefore, according to the desktop returning method and system, the operation of returning to the desktop can be completed by adopting the specific gesture on the touch screen, the experience is good, and the smoothness of the operation is improved.
Referring to fig. 2, a desktop returning method according to a second embodiment of the present invention is shown, including steps S11 through S19.
Step S11, when it is detected that a plurality of touch sensing points exist on the touch screen of the touch display device, combining all the touch sensing points whose adjacent distances are smaller than a first predetermined value into a touch sensing area.
The touch sensing area comprises the touch sensing point and an area in a certain range around the touch sensing point.
It can be understood that, the step of combining all the touch sensing points whose adjacent distances are smaller than the first predetermined value into one touch sensing area is to combine all the touch sensing points that are close to each other into one touch sensing area. For example, when a user touches the touch screen with four fingers which are closed together, the touch screen generates four touch sensing points, and the distance between the four adjacent touch sensing points is smaller than the first predetermined value, so that the four touch sensing points are combined into one touch sensing area.
Step S12, determining whether the touch sensing points are concentrated into two touch sensing areas.
It is to be understood that the step of determining whether the touch sensing points are concentrated into two touch sensing areas may be that the step S11 combines the touch sensing points into several touch sensing areas, and when the step S11 combines the touch sensing points into two touch sensing areas, the step S12 determines that the touch sensing points are concentrated into two touch sensing areas.
When it is determined in the step S12 that the touch sensing points are concentrated into two touch sensing areas, the step S13 is executed, and when it is determined in the step S12 that the touch sensing points are not concentrated into two touch sensing areas, the operation is not performed, and the detection is continued.
Step S13, determining whether the number of the touch sensing points in the two touch sensing areas is a preset number.
When it is determined in the step S13 that the numbers of the touch sensing points in the two touch sensing areas are both the preset number, executing a step S14, and when it is determined in the step S13 that the numbers of the touch sensing points in the two touch sensing areas are not both the preset number, deactivating and continuing the detection.
In other words, when the number of the touch sensing points in the two touch sensing areas is not both the preset number (e.g., 4), the operation of displaying the desktop of the touch display device will not be performed.
Step S14, determine whether the distance between the two touch sensing areas is greater than a second predetermined value.
When the step S14 determines that the distance between the two touch sensing areas is greater than the second predetermined value, the step S15 is executed, and when the step S14 determines that the distance between the two touch sensing areas is not greater than the second predetermined value, the operation is not performed, and the detection is continued.
In other words, when the initial distance between the two touch-control senses is not greater than the second preset value, the operation of returning to display the desktop of the touch-control display device will not be performed.
It is understood that, in other embodiments, the sequence of the step S13 and the step S14 may be changed, or the step S13 or the step S14 may be adopted separately.
Specifically, the step S14 can be implemented by referring to the flowchart in fig. 3, please refer to fig. 3, and the flowchart includes steps S141 to S143:
step S141, calculating the distance between each touch sensing point in the touch sensing area and all touch sensing points in another touch sensing area;
step S142, comparing all the calculated sensing point distances, and taking the minimum sensing point distance as the distance between the two touch sensing areas;
it can be understood that the step S142 is to use a distance between two closest touch sensing points in the two touch sensing areas as a distance between the two touch sensing areas.
Step S143, determining whether the minimum sensing point distance is greater than the second predetermined value.
Step S15, determining whether the touch sensing points in the two touch sensing areas move in opposite directions.
When it is determined in the step S15 that the touch sensing points in the two touch sensing areas move in opposite directions, the step S16 is executed, and when it is determined in the step S15 that the touch sensing points in the two touch sensing areas do not move in opposite directions, the operation is not performed, and the detection is continued.
And step S16, returning to display the desktop of the touch display equipment.
In the step of returning to display the desktop of the touch display device, the current application (such as WeChat) may be closed or returned to the background for running, and what kind of method is specifically adopted may be preset.
Referring to fig. 4, the following illustrates the present invention, if the preset number is four and the second preset value is 10cm, if the user wants to return to display the desktop of the touch display device, the operation gesture may be: touch the four closed fingers of the two hands on the touch screen 1 of the touch display device, and make the distance between the four closed fingers of the two hands greater than 10cm, at the moment, eight touch sensing points 2 are detected, and the eight touch sensing points 2 are concentrated into two touch sensing areas M1 and M2 (the distance between M1 and M2 is N, N >10cm), and then the four closed fingers of the two hands move in opposite directions, and the touch sensing points 2 in M1 and M2 also correspondingly move in opposite directions (as shown by arrows in fig. 4), at the moment, the desktop of the touch display device can be returned to display.
Another aspect of the present invention further provides a desktop returning system, referring to fig. 5, which is a desktop returning system in a third embodiment of the present invention and applied to a touch display device, where the desktop returning system includes:
the touch sensing area determining module 11 is configured to determine whether a plurality of touch sensing points are concentrated into two touch sensing areas when it is detected that the touch screen of the touch display device has the plurality of touch sensing points.
The opposite movement determining module 12 is configured to determine whether the touch sensing points in the two touch sensing areas move opposite to each other when it is determined that two touch sensing areas in the multiple touch sensing point sets are included;
and the desktop returning module 13 is configured to return to display the desktop of the touch display device when it is determined that the touch sensing points in the two touch sensing areas move in the opposite directions.
Further, the desktop return system further comprises:
the sensing point processing module 14 is configured to, when it is detected that a plurality of touch sensing points exist on the touch screen, combine all the touch sensing points whose adjacent distances are smaller than a first predetermined value into one touch sensing area.
Further, the desktop return system further comprises:
the sensing point quantity judging module 15 is configured to, when it is judged that a plurality of touch sensing points are concentrated into two touch sensing areas, judge whether the quantity of the touch sensing points in the two touch sensing areas is a preset quantity;
and when the quantity of the touch sensing points in the two touch sensing areas is judged to be the preset quantity, the opposite motion judging module judges whether the touch sensing points in the two touch sensing areas move oppositely or not.
Further, the desktop return system further comprises:
the distance judging module 16 is configured to, when it is judged that the plurality of touch sensing points are concentrated into two touch sensing areas, judge whether a distance between the two touch sensing areas is greater than a second preset value;
and when the distance between the two touch sensing areas is judged to be larger than the second preset value, the opposite movement judging module judges whether the touch sensing points in the two touch sensing areas move oppositely or not.
Further, the distance determining module 16 includes:
a calculating unit 161, configured to calculate a distance between each touch sensing point in the touch sensing area and all touch sensing points in another touch sensing area;
a comparing unit 162, configured to compare the calculated distances between all sensing points, and use the minimum distance between the sensing points as a distance between two touch sensing areas;
the determining unit 163 is configured to determine whether the minimum sensing point distance is greater than a second predetermined value.
Those of skill in the art will understand that the logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be viewed as implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (4)
1. A desktop returning method is applied to touch display equipment and is characterized by comprising the following steps:
when a plurality of touch sensing points are detected to exist on a touch screen of the touch display device, combining all the touch sensing points with the adjacent distance smaller than a first preset value into a touch sensing area, and judging whether the touch sensing points are concentrated into two touch sensing areas or not, wherein the touch sensing area comprises the touch sensing points and an area in a certain range around the touch sensing points;
if so, judging whether the distance between the two touch sensing areas is larger than a second preset value, and if so, judging whether the touch sensing points in the two touch sensing areas move oppositely;
if so, returning to display the desktop of the touch display equipment;
the step of judging whether the distance between the two touch sensing areas is greater than a second preset value comprises the following steps:
calculating the distance between each touch sensing point in the touch sensing area and all touch sensing points in the other touch sensing area;
comparing all the calculated induction point distances, and taking the minimum induction point distance as the distance between the two touch induction areas;
and judging whether the minimum induction point distance is larger than a second preset value or not.
2. The desktop returning method according to claim 1, further comprising, after the step of determining whether the touch sensing points are concentrated into two touch sensing areas:
if so, judging whether the quantity of the touch sensing points in the two touch sensing areas is a preset quantity or not;
and if so, executing the step of judging whether the touch sensing points in the two touch sensing areas move oppositely.
3. A desktop return system is applied to a touch display device, and is characterized by comprising:
the touch sensing area judging module is used for judging whether a plurality of touch sensing points are concentrated into two touch sensing areas when the touch sensing points are detected to exist on a touch screen of the touch display equipment, wherein the touch sensing areas comprise the touch sensing points and areas in a certain range around the touch sensing points;
the opposite movement judging module is used for judging whether the touch sensing points in the two touch sensing areas move oppositely or not when judging that the touch sensing points in the plurality of touch sensing point sets form the two touch sensing areas;
the desktop returning module is used for returning and displaying the desktop of the touch display equipment when the touch induction points in the two touch induction areas move oppositely;
the desktop return system further comprises:
the sensing point processing module is used for combining all the touch sensing points with the adjacent distance smaller than a first preset value into one touch sensing area when detecting that a plurality of touch sensing points exist on the touch screen;
the desktop return system further comprises:
the distance judging module is used for judging whether the distance between the two touch sensing areas is greater than a second preset value or not when the touch sensing points are concentrated into the two touch sensing areas;
when the distance between the two touch sensing areas is judged to be larger than the second preset value, the opposite movement judging module judges whether the touch sensing points in the two touch sensing areas move oppositely or not;
the distance judgment module comprises:
the calculating unit is used for calculating the distance between each touch sensing point in the touch sensing area and all the touch sensing points in the other touch sensing area;
the comparison unit is used for comparing all the calculated induction point distances and taking the minimum induction point distance as the distance between the two touch control induction areas;
and the judging unit is used for judging whether the minimum induction point distance is larger than a second preset value or not.
4. The desktop return system of claim 3, further comprising:
the touch control device comprises a sensing point quantity judging module, a touch control sensing area judging module and a touch control sensing area judging module, wherein the sensing point quantity judging module is used for judging whether the quantity of the touch control sensing points in the two touch control sensing areas is a preset quantity when judging that the touch control sensing points are concentrated into the two touch control sensing areas;
when the quantity of the touch sensing points in the two touch sensing areas is judged to be the preset quantity, the opposite motion judging module judges whether the touch sensing points in the two touch sensing areas move oppositely or not.
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| CN201710244331.3A CN107102808B (en) | 2017-04-14 | 2017-04-14 | Desktop returning method and system |
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| CN102750096A (en) * | 2012-06-15 | 2012-10-24 | 深圳乐投卡尔科技有限公司 | Vehicle-mounted Android platform multi-point gesture control method |
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