CN106598365A - Method and device for increasing recognition rate of touch plate - Google Patents
Method and device for increasing recognition rate of touch plate Download PDFInfo
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- CN106598365A CN106598365A CN201610855619.XA CN201610855619A CN106598365A CN 106598365 A CN106598365 A CN 106598365A CN 201610855619 A CN201610855619 A CN 201610855619A CN 106598365 A CN106598365 A CN 106598365A
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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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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Abstract
The invention discloses a method and device for increasing recognition rate of a touch plate. The method for increasing recognition rate of the touch plate comprises following steps: receiving coordinate point data triggered by the touch plate and triggered area data; determining current motion as click or swipe according to the coordinate point data; reporting first characters in the form of KeyEvent if the motion is determined as click; determining the swipe is leftward-rightward or upward-downward according to the slope of a swipe curve if the motion is determined as swipe; reporting the coordinate point data in the form of TouchEvent if the swipe is determined as leftward-rightward swipe; and reporting the second characters in the form of KeyEvent if the swipe is determined as upward-downward swipe. The method and device for increasing recognition rate of the touch plate have following beneficial effects: when a user operates the touch plate, the first thing is to judge whether swipe or click operation is performed; if operation is determined as leftward-rightward swipe, characters are reported in the form of specific data while characters are reported in the other form if operation is determined as upward-downward swipe or click operation; and therefore misjudgments are avoided during operation of a system.
Description
Technical field
The present invention relates to touch-screen gesture identification field, more particularly to a kind of method and dress for improving touch pad discrimination
Put.
Background technology
With the development of electronic technology, certain gestures of the increasing mobile device using limbs on the touchscreen are realized
The purpose of control mobile device.At present, what is mainly applied on mobile device is capacitive touch screen.Capacitance-type touch screen technology is
It is operated using the electric current sensing of human body, common mainly has surface capacitance type touch screen, projection-type capacitive touch screen etc..
Projection-type capacitive touch screen material is multilayer compound glass screen, and the inner surface and interlayer of glass screen respectively scribble ITO (oxygen
Change indium stannum) layer, outermost layer is one layer of silicon soil glassivation.These ITO layers form multiple horizontal and vertical electrodes by eating into erosion,
With the capacitance variations that the draw runner (X-axis draw runner Y-axis draw runner) of two intersections realizes each lattice sensing unit of detection.In general, electricity
The precision of Rong Ping, resolution are relevant with the draw runner number of X, Y-axis, and draw runner number is more, and resolution is higher.
In wearable device, due to the restriction of size, touch screen or touch pad are typically smaller, therefore touch screen or touch
X-axis (or Y-axis) draw runner number in template is also fewer.From above, draw runner number is fewer, then sensing unit is fewer, so as to divide
Resolution is also lower.When slide is carried out to wearable device touch pad, due to resolution not enough, the points for producing of sliding are passed
To pass accurately be calculated after android system and be currently click on or slide, cause the false triggering likelihood ratio slided and click on
It is larger.
Therefore, the false triggering probability of touch pad in wearable device how is reduced, it is currently urgently to improve touch pad discrimination
Problem to be solved.
The content of the invention
It is an object of the invention to provide a kind of method and device for improving touch pad discrimination.
Wherein, the method for improving touch pad discrimination, including：
The coordinate point data that touch pad is triggered and the area data being triggered are received, wherein,
The coordinate points data include the number of the coordinate points and the coordinate of the coordinate points；
Current action is determined to click on or sliding according to the coordinate point data；
If the current action reports the first character to click on KeyEvent data modes；
If the current action for slide, according to the slope of curve of sliding determine it is described slide for horizontally slip or on
Lower slider；
If described slide to horizontally slip, the coordinate point data is reported with TouchEvent data modes；
If described slide to slide up and down, the second character is reported with the KeyEvent data modes.
Preferably, it is described to determine that current action is to click on or slide to specifically include according to the coordinate point data：
Receive the coordinate of contact touch pad；
The coordinate of touch pad is left in reception；
Calculate the length between the coordinate and the coordinate for leaving touch pad of the contact touch pad；
The current action is determined if the length is not less than length threshold to slide；
The current action is determined if the length is less than length threshold to click on.
Preferably, the length threshold is 5 pixels.
Preferably, the slope according to curve of sliding determine it is described slide for horizontally slip or slide up and down including：
If the slope is between -1 to 1, it is determined that described to slide to horizontally slip；
If the slope is more than 1 or less than -1, it is determined that described to slide to slide up and down.
Preferably, second character is：BACK.
The device of touch pad discrimination is improved, including：
Data reception module, receives the coordinate point data that touch pad is triggered and the area data being triggered, wherein, it is described
Coordinate points data include the number of the coordinate points and the coordinate of the coordinate points；
First judge module, determines that current action is point according to the coordinate point data and the area data being triggered
Hit or slide；
First communication module, if the current action reports the first character to click on KeyEvent data modes；
Second judge module, if the current action is to slide, determines that the slip is according to the slope of curve of sliding
Horizontally slip or slide up and down；
Second communication module, if described slide to horizontally slip, with TouchEvent data modes the coordinate is reported
Point data；
Third communication module, if described slide to slide up and down, with the second character on the KeyEvent data modes.
Preferably, first judge module includes：
First receiving unit, receives the coordinate of contact touch pad；
The coordinate of touch pad is left in second receiving unit, reception；
First computing unit, calculates the length between the coordinate and the coordinate for leaving touch pad of the contact touch pad
Degree；
First judging unit, the current action is determined to slide, if described if the length is not less than length threshold
Length then determines the current action to click on less than length threshold.
Preferably, the length threshold is 5 pixels.
Preferably, second judge module includes：
Second judging unit, if the slope is between -1 to 1, it is determined that described to slide to horizontally slip, if described oblique
Rate is more than 1 or less than -1, it is determined that described to slide to slide up and down.
Preferably, second character is：BACK.
Therefore, the present invention has the advantages that：
The present invention is first prejudged when user is operated to touch pad to the operation, is to slide or point
Hit.Operation is judged to horizontally slip, when being reported with particular data standard, and being judged operation to slide up and down or click on,
Take other standard to report, during so as to avoiding system from carrying out operation judges again generation to click on or slide erroneous judgement.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
These accompanying drawings obtain other accompanying drawings.
A kind of schematic diagram of the method for raising touch pad discrimination that Fig. 1 is provided for the present invention；
The schematic diagram of another kind of method for improving touch pad discrimination that Fig. 2 is provided for the present invention；
A kind of schematic device of raising touch pad discrimination that Fig. 3 is provided for the present invention；
Another kind of schematic device for improving touch pad discrimination that Fig. 4 is provided for the present invention.
Specific embodiment
The core of the present invention is to provide a kind of method and device of raising touch pad discrimination.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Elaborate detail in order to fully understand the present invention in the following description.But the present invention can with it is various not
It is same as alternate manner described here to implement, those skilled in the art can do class in the case of without prejudice to intension of the present invention
Like popularization.Therefore the present invention is not limited by following public specific embodiment.
In the method for the raising touch pad discrimination that the present invention is provided, referring to Fig. 1, the embodiment is comprised the following steps：
S101, the reception touch pad coordinate point data being triggered and the area data being triggered.
Under an actual application scenarios, user touches touch pad with certain action.The limbs and touch pad of user
After contact, touch pad local is triggered, and produces coordinate point data dough-making powder volume data.The coordinate points data of the part being triggered include
The coordinate of the number of the coordinate points and the coordinate points.Generally, finger contact touch pad be all to be formed one it is ellipse
Circle.In a specific example, oval centre coordinate is designated as O (X, Y), and finger touches touch area coordinate and is designated as point M
(X1, Y1), coordinate after finger is lifted is designated as N (X2, Y2).
S102, determined according to the coordinate point data current action for click on or slide.
After the coordinate point data for receiving above coordinate, can calculate and determine current action for needed for clicking on or slide
The data wanted.In general, specific gesture can be made when finger touches touch pad.Touch pad on wearable device all compares
It is less, typically the action of finger is distinguished as sliding or is clicked on.It is that user touches touch pad to slide with the difference clicked on
The parameters such as length, time.
If S103, the current action report the first character to click on KeyEvent data modes.
If S104, the current action are to slide, described slip to horizontally slip is determined according to the slope of curve of sliding
Or slide up and down.
In the embodied case, illustrated as concrete application using coordinate data above：The slope k of curve of sliding calculates public
Formula k=(Y2-Y2)/(X2-X1).Under different scenes, the interval conduct of different slope values can be set and slided up and down and left
Right sliding action calibrates standard really.
If S105, described slip are to horizontally slip, the coordinate point data is reported with TouchEvent data modes.
If S106, described slip are to slide up and down, the second character is reported with KeyEvent data modes.
Under a specific application scenarios, the data are reported into android system, needed with android system energy
Enough data modes for reading are reported.Specifically, in the present invention, for user gesture is determined to horizontally slip, then by it
With the coordinate data of TouchEvent data mode report of user this action to android system.And it is upper and lower for being defined as
The data slided or click on, specific character is reported with KeyEvent data modes to android system.A specific field
Scape, in wearable device, slides up and down not as effective gesture, then can report the second character, makes system of users
This time gesture no longer carries out judgement feedback, so as to reduce false judgment when system carries out operation judges.
Certainly, under other practical application scenes, can be increased or gestural feedback according to the practical application of touch pad
Species, then can not report for the gesture of setting is not met, or report particular data.For example, it is determined that current use
When family gesture is to click on, the first character of KeyEvent data modes is reported, notify system current action to click on, then system is not
Needs go to be judged that now gesture motion specially slip is also click on, then will not produce and will click on the erroneous judgement for being considered to slide
It is disconnected.Certainly, specifically, arranging the first character described previously and the second character can be arranged according to practical situation, as long as meeting
The KeyEvent data modes that android system can read, here of the present invention is simultaneously not particularly limited.
In the method for raising touch pad discrimination disclosed by the invention, when user is operated to touch pad, first
The operation is prejudged, is to slide also be click on.Judge that operation, to horizontally slip, is carried out with particular data standard
Report, and when judging operation to slide up and down or click on, take other standard to report, sentence so as to avoid system from carrying out operation again
Erroneous judgement is produced when disconnected.
In other one embodiment, the present invention is comprised the following steps：
Receive the coordinate point data that touch pad is triggered and the area data being triggered.
Current action is determined to click on or sliding according to the coordinate point data.
Wherein, in other specific embodiment, referring to Fig. 2, determine that current action is point according to the coordinate point data
Hit or slide and specifically include following steps：
S211, the coordinate for receiving contact touch pad.
S212, reception leave the coordinate of touch pad.
Length between S213, the coordinate of the calculating contact touch pad and the coordinate for leaving touch pad.
S214, if the length be not less than length threshold if determine current action for slide.
S215, if the length be less than length threshold if determine current action for click on.
One specific computational methods is to calculate the straight line between the coordinate for contacting touch pad and the coordinate for leaving touch pad
Length.If the length of straight line is too short, then it is assumed that be click on, and the length of straight line reaches certain length and is then considered to slide.
In a further embodiment, specific length threshold is 5 pixels.That is, under a scene, contact is calculated
The coordinate of touch pad and leave touch pad coordinate between straight length, if the straight length be not less than 5 pixel values, really
Current action is determined to slide, if the straight length is less than 5 pixel values, it is determined that current action is click.In other applications
Under scene, can be simultaneously not particularly limited according to practical situation preseting length threshold value, here of the present invention.
If the current action reports the first character to click on KeyEvent data modes.
Specifically, the first character can be set for " F " under KeyEvent data modes, it is also possible to which other characters are set.
If the current action for slide, according to the slope of curve of sliding determine it is described slide for horizontally slip or on
Lower slider.
In a further embodiment, if the slope is between -1 to 1, it is determined that described to slide to horizontally slip.
If the slope is more than 1 or less than -1, it is determined that described to slide to slide up and down.
Under a particular situation, with curve of sliding contact touch pad coordinate A (m, n) and leave touch pad
As a example by coordinate B (x, y), then slope computing formula is：(y-n)/(x-m).If the slope is between -1 to 1, it is determined that described
Slide to horizontally slip.If the slope is more than 1 or less than -1, it is determined that described to slide to slide up and down.
If described slide to horizontally slip, the coordinate point data is reported with TouchEvent data modes.
If described slide to slide up and down, the second character is reported with KeyEvent data modes.Under an embodiment,
Second character is：BACK.Specifically, under many circumstances, slide up and down as a return action, can directly to
Android system is reported and makes it be fed back for BACK characters.It is of course also possible to report other KeyEvent according to practical situation
Other characters under data mode, here of the present invention is not limited.
The invention also discloses a kind of device for improving touch pad discrimination, referring to Fig. 3, device bag disclosed by the invention
Include：
Data reception module 10, receives the coordinate point data that touch pad is triggered and the area data being triggered.Wherein, institute
Coordinate points data are stated including the number of the coordinate points and the coordinate of the coordinate points.
First judge module 20, determines that current action is according to the coordinate point data and the area data being triggered
Click on or slide.
First communication module 30, if the current action reports the first character to click on KeyEvent data modes.
Second judge module 40, if the current action determines the slip to slide according to the slope of curve of sliding
To horizontally slip or sliding up and down.
Second communication module 50, if described slide to horizontally slip, with TouchEvent data modes the seat is reported
Punctuate data.
Third communication module 60, if described slide to slide up and down, with KeyEvent data modes the second character is reported.
In the device of raising touch pad discrimination disclosed by the invention, when user is operated to touch pad, first
The operation is prejudged, is to slide also be click on.Judge that operation, to horizontally slip, is carried out with particular data standard
Report, and when judging operation to slide up and down or click on, take other standard to report, sentence so as to avoid system from carrying out operation again
Erroneous judgement is produced when disconnected.
Specifically, the specific working method of device each several part of the raising touch pad discrimination disclosed in the present embodiment please join
According to the content that the embodiment shown in Fig. 1 is illustrated, here is omitted.
The device for improving touch pad discrimination disclosed by the invention, when user is operated to touch pad, first to this
Operation is prejudged, and is to slide also be click on.Judge that operation, to horizontally slip, is reported with particular data standard, and
When judging operation to slide up and down or click on, other standard is taken to report, during so as to avoiding system from carrying out operation judges again
Produce erroneous judgement.
Under other scene, the device for improving touch pad discrimination disclosed by the invention, including：
Data reception module, receives the coordinate point data that touch pad is triggered and the area data being triggered.Wherein, it is described
Coordinate points data include the number of the coordinate points and the coordinate of the coordinate points.
First judge module, determines that current action is point according to the coordinate point data and the area data being triggered
Hit or slide.
First communication module, if the current action reports the first character to click on KeyEvent data modes.
Second judge module, if the current action is to slide, determines that the slip is according to the slope of curve of sliding
Horizontally slip or slide up and down.
Second communication module, if described slide to horizontally slip, with TouchEvent data modes the coordinate is reported
Point data.
Third communication module, if described slide to slide up and down, with KeyEvent data modes the second character is reported.
In one specific embodiment, second character is：BACK.
In other examples, referring to Fig. 4, wherein first judge module 201 includes：
First receiving unit 211, receives the coordinate of contact touch pad.
The coordinate of touch pad is left in second receiving unit 212, reception.
First computing unit 213, calculates between the coordinate and the coordinate for leaving touch pad of the contact touch pad
Length.
First judging unit 214, current action is determined to slide, if the length if the length is not less than length threshold
Degree then determines current action to click on less than length threshold.
In other examples, length threshold is 5 pixels.Certainly, in the other cases, it is also possible to according to reality
Situation adjusts the length threshold, and here of the present invention has simply lifted a specific example, is not offered as limiting the length threshold for 5
Individual pixel value.
Specifically, the specific working method of device each several part of the raising touch pad discrimination disclosed in the present embodiment please join
According to the content that the embodiment shown in Fig. 3 is illustrated, here is omitted.
In a further embodiment, the second judge module includes：
Second judging unit, specifically, the course of work of the second judging unit is：If the slope is between -1 to 1,
Determine that described slip is to horizontally slip, if the slope is more than 1 or less than -1, it is determined that described to slide to slide up and down.
Certainly, the setting interval for slope value, it is also possible to be modified according to actual needs, here of the present invention is not particularly limited.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating
In any this actual relation or order.
The method and device of raising touch pad discrimination provided by the present invention is described in detail above.Herein
Apply specific case to be set forth the principle and embodiment of the present invention, the explanation of above example is only intended to help
Understand present disclosure and its core concept.It should be pointed out that for those skilled in the art, do not taking off
On the premise of the principle of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into this
In invention scope of the claims.
Claims (10)
1. it is a kind of improve touch pad discrimination method, it is characterised in that include：
The coordinate point data that touch pad is triggered and the area data being triggered are received, wherein,
The coordinate points data include the number of the coordinate points and the coordinate of the coordinate points；
Current action is determined to click on or sliding according to the coordinate point data；
If the current action reports the first character to click on KeyEvent data modes；
If the current action is to slide, described slip to horizontally slip or upper downslide is determined according to the slope of curve of sliding
It is dynamic；
If described slide to horizontally slip, the coordinate point data is reported with TouchEvent data modes；
If described slide to slide up and down, the second character is reported with the KeyEvent data modes.
2. it is according to claim 1 improve touch pad discrimination method, it is characterised in that it is described according to the coordinate points
Data determine current action and specifically include to click on or sliding：
Receive the coordinate of contact touch pad；
The coordinate of touch pad is left in reception；
Calculate the length between the coordinate and the coordinate for leaving touch pad of the contact touch pad；
The current action is determined if the length is not less than length threshold to slide；
The current action is determined if the length is less than length threshold to click on.
3. it is according to claim 2 improve touch pad discrimination method, it is characterised in that the length threshold be 5
Pixel.
4. the method for improving touch pad discrimination according to claim 2, it is characterised in that described according to curve of sliding
Slope determine it is described slide for horizontally slip or slide up and down including：
If the slope is between -1 to 1, it is determined that described to slide to horizontally slip；
If the slope is more than 1 or less than -1, it is determined that described to slide to slide up and down.
5. the method for improving touch pad discrimination according to claim 4, it is characterised in that second character is：
BACK。
6. it is a kind of improve touch pad discrimination device, it is characterised in that include：
Data reception module, receives the coordinate point data that touch pad is triggered and the area data being triggered, wherein,
The coordinate points data include the number of the coordinate points and the coordinate of the coordinate points；
First judge module, according to the coordinate point data and the area data being triggered determine current action for click on or
Person slides；
First communication module, if the current action reports the first character to click on KeyEvent data modes；
Second judge module, if the current action is to slide, according to the slope of curve of sliding described slip as left and right is determined
Slide or slide up and down；
Second communication module, if described slide to horizontally slip, reports the coordinate to count with TouchEvent data modes
According to；
Third communication module, if described slide to slide up and down, with the KeyEvent data modes the second character is reported.
7. it is according to claim 6 improve touch pad discrimination device, it is characterised in that the first judge module bag
Include：
First receiving unit, receives the coordinate of contact touch pad；
The coordinate of touch pad is left in second receiving unit, reception；
First computing unit, calculates the length between the coordinate and the coordinate for leaving touch pad of the contact touch pad；
First judging unit, the current action is determined to slide, if the length if the length is not less than length threshold
Less than length threshold the current action is then determined to click on.
8. it is according to claim 7 improve touch pad discrimination device, it is characterised in that the length threshold be 5
Pixel.
9. it is according to claim 7 improve touch pad discrimination device, it is characterised in that the second judge module bag
Include：
Second judging unit, if the slope is between -1 to 1, it is determined that described to slide to horizontally slip, if the slope is big
In 1 or less than -1, it is determined that described to slide to slide up and down.
10. the device for improving touch pad discrimination according to claim 9, it is characterised in that second character is：
BACK。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610855619.XA CN106598365A (en) | 2016-09-27 | 2016-09-27 | Method and device for increasing recognition rate of touch plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610855619.XA CN106598365A (en) | 2016-09-27 | 2016-09-27 | Method and device for increasing recognition rate of touch plate |
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| CN106598365A true CN106598365A (en) | 2017-04-26 |
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| CN201610855619.XA Pending CN106598365A (en) | 2016-09-27 | 2016-09-27 | Method and device for increasing recognition rate of touch plate |
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| CN103530055A (en) * | 2013-10-22 | 2014-01-22 | 北京奇虎科技有限公司 | Method and equipment for capturing screen image |
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Application publication date: 20170426 |