CN103164128B - A kind of method and apparatus of refresh page - Google Patents

A kind of method and apparatus of refresh page Download PDF

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Publication number
CN103164128B
CN103164128B CN201110405673.1A CN201110405673A CN103164128B CN 103164128 B CN103164128 B CN 103164128B CN 201110405673 A CN201110405673 A CN 201110405673A CN 103164128 B CN103164128 B CN 103164128B
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contact
freehandhand
drawing track
angle
refresh
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CN103164128A (en
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刘念
李飞云
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Tencent Technology Shenzhen Co Ltd
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Tencent Technology Shenzhen Co Ltd
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Abstract

The invention discloses a kind of method and apparatus of refresh page, belong to touch screen mobile terminal field.Methods described includes:The Freehandhand-drawing track of touch screen is recorded, the Freehandhand-drawing track includes all contacts between beginning contact, current contact and the beginning contact and the current contact;Current page is refreshed according to the Freehandhand-drawing track.Described device includes:Logging modle and refresh module.Freehandhand-drawing track of the invention by recording touch screen;The characteristic of touch screen can be used, Consumer's Experience is lifted, further lifts the public praise of product;The Freehandhand-drawing track includes all contacts between beginning contact, current contact and the beginning contact and the current contact;Current page is refreshed according to the Freehandhand-drawing track;The operation of refresh page can be triggered by the contact in the Freehandhand-drawing track, the operation for avoiding user's false triggering touch screen from refreshing, eliminate the existing error during refresh operation is judged, reduce the loss of unnecessary flow.

Description

A kind of method and apparatus of refresh page
Technical field
The present invention relates to touch screen mobile terminal field, more particularly to a kind of method and apparatus of refresh page.
Background technology
As touch screen technology is in the development of field of mobile terminals, increasing mobile terminal manufacturing enterprise is by touch screen technology It is applied to display screen.The mobile terminal of touch screen is equipped with, user can be allowed to substitute keyboard using finger and mouse is carried out accordingly Input, the experience enjoyment brand-new to user.
Wherein, user uses the input that finger is carried out, main to complete selection menu item, refresh page and input word Deng operation.For the operation of refresh page, the method for existing refresh page can be divided into two kinds, the first, in the page Set and show the button of refresh page;User touches screen using finger, clicks on, it becomes possible to which triggering refreshes current page The operation in face;Second, user is behind the scenes using finger touch-screen, court's any one direction short time straight line stroke up and down, After unclamping finger, it becomes possible to which triggering refreshes the operation of current page.
During the present invention is realized, inventor has found that prior art at least has problems with:
In the method for the first refresh page, the button of its refresh page takes certain interface shape, influences interface It is attractive in appearance, reduce Consumer's Experience.In the method for second of refresh page, user's easy false triggering operation, excessive connection is caused Net request, wastes flow.
The content of the invention
In order to improve Consumer's Experience, avoid user's false triggering refresh operation and reduce the loss of flow, the embodiment of the present invention Provide a kind of method and apparatus of refresh page.The technical scheme is as follows:
A kind of method of refresh page, methods described include:
The Freehandhand-drawing track of touch screen is recorded, the Freehandhand-drawing track includes beginning contact, current contact and the beginning contact and institute All contacts between current contact are stated, the Freehandhand-drawing track is the camber line drawn towards direction pivots clockwise or counter-clockwise rotation;
One circular arc is determined according to the Freehandhand-drawing track;
Compare the angle of the circular arc and the size of predetermined angle, judge whether the angle of the circular arc is less than described preset Angle;The predetermined angle is the angle pre-set;
If the angle of the circular arc is equal to or more than the predetermined angle, refresh current page.
Wherein, the Freehandhand-drawing track of the record touch screen, is specifically included:
Detect the contact of the Freehandhand-drawing track of the touch screen;
The contact of Freehandhand-drawing track described in synchronous recording.
Wherein, it is described that a circular arc is determined according to the Freehandhand-drawing track, specifically include:
It is determined that using the beginning contact and the current contact as the perpendicular bisector of the line segment of end points;
Obtain the intermediate contact intersected in the contact of the Freehandhand-drawing track with the perpendicular bisector;
According to the beginning contact, the circle of 3 points of determinations of the current contact and the intermediate contact, along the Freehandhand-drawing track Drafting direction, obtain the circular arc using the beginning contact and the current contact as end points.
Wherein, methods described also includes:
Obtain using the beginning contact and the current contact as the length of the line segment of end points and the radius of the circle, calculate institute State the angle of circular arc.
Further, methods described also includes:
If the angle of the circular arc is less than the predetermined angle, judge whether the drafting of the Freehandhand-drawing track terminates;
If the drafting of the Freehandhand-drawing track has terminated, the contact of the Freehandhand-drawing track of the touch screen is detected;
If the drafting of the Freehandhand-drawing track does not terminate, the contact of Freehandhand-drawing track described in synchronous recording.
A kind of device of refresh page, described device include:
Logging modle, for recording the Freehandhand-drawing track of touch screen, the Freehandhand-drawing track include beginning contact, current contact and All contacts between the beginning contact and the current contact, the Freehandhand-drawing track are revolved towards direction pivots clockwise or counter-clockwise The camber line of rendition;
Refresh module, for refreshing current page according to the Freehandhand-drawing track;
Wherein, the refresh module specifically includes:
Determining unit, for determining a circular arc according to the Freehandhand-drawing track;
Refresh unit, for the angle according to the circular arc, refresh current page;
The refresh unit specifically includes:
Comparing subunit, for the angle of the circular arc and the size of predetermined angle, judge the angle of the circular arc Whether the predetermined angle is less than;The predetermined angle is the angle pre-set;
Refresh subelement, if the angle for the circular arc is equal to or more than the predetermined angle, refresh current page.
Wherein, the logging modle specifically includes:
Detection unit, the contact of the Freehandhand-drawing track for detecting the touch screen;
Recording unit, the contact for Freehandhand-drawing track described in synchronous recording.
Wherein, the determining unit specifically includes:
Determination subelement, for determining the perpendicular bisector using the beginning contact and the current contact as the line segment of end points;
First obtains subelement, and the centre intersected in the contact for obtaining the Freehandhand-drawing track with the perpendicular bisector is touched Point;
Second obtains subelement, for according to 3 points of the beginning contact, the current contact and the intermediate contact determinations Circle, along the drafting direction of the Freehandhand-drawing track, obtain the circular arc using the beginning contact and the current contact as end points.
Wherein, the refresh module also includes:
Computing unit, for obtaining length and the circle using the beginning contact and the current contact as the line segment of end points Radius, calculate the angle of the circular arc.
Further, the refresh unit also includes,
Judgment sub-unit, if the angle for the circular arc is less than the predetermined angle, judge the Freehandhand-drawing track Whether drafting terminates;
Correspondingly, the logging modle is additionally operable to,
If the drafting of the Freehandhand-drawing track has terminated, the contact of the Freehandhand-drawing track of the touch screen is detected;
If the drafting of the Freehandhand-drawing track does not terminate, the contact of Freehandhand-drawing track described in synchronous recording.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is:By the Freehandhand-drawing track for recording touch screen;Energy The characteristic of touch screen is enough used, Consumer's Experience is lifted, further lifts the public praise of product;The Freehandhand-drawing track include the beginning contact, when All contacts between front contact and the beginning contact and the current contact;Current page is refreshed according to the Freehandhand-drawing track Face;The operation of refresh page can be triggered by the contact in the Freehandhand-drawing track, avoid what user's false triggering touch screen refreshed Operation, eliminates the existing error during refresh operation is judged, reduces the loss of unnecessary flow.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing.
Fig. 1 is a kind of flow chart of the method for the refresh page provided in the embodiment of the present invention 1;
Fig. 2 is a kind of flow chart of the method for the refresh page provided in the embodiment of the present invention 2;
Fig. 3 is according to Freehandhand-drawing track to determine a circle in a kind of method of the refresh page provided in the embodiment of the present invention 2 The schematic diagram of arc;
Fig. 4 is a kind of structural representation of the device of the refresh page provided in the embodiment of the present invention 3;
Fig. 5 is a kind of structural representation of the device of the refresh page provided in the embodiment of the present invention 4.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention Formula is described in further detail.
Embodiment 1
Referring to Fig. 1, the embodiment of the present invention 1 provides a kind of method of refresh page, specifically includes:
101:The Freehandhand-drawing track of touch screen is recorded, the Freehandhand-drawing track is including beginning contact, current contact and beginning contact and currently All contacts between contact.
102:Current page is refreshed according to the Freehandhand-drawing track.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is:By the Freehandhand-drawing track for recording touch screen;Energy The characteristic of touch screen is enough used, Consumer's Experience is lifted, further lifts the public praise of product;The Freehandhand-drawing track includes beginning contact, current All contacts between contact and beginning contact and current contact;Current page is refreshed according to the Freehandhand-drawing track;Can be by this The operation of refresh page is triggered in contact in Freehandhand-drawing track, the operation for avoiding user's false triggering touch screen from refreshing, eliminates and is judging Existing error during refresh operation, reduces the loss of unnecessary flow.
Embodiment 2
For convenience of understanding, the embodiment of the present invention 2 will illustrate by taking touch-screen mobile phone as an example to this method.Referring to Fig. 2~figure 3, the embodiment of the present invention 2 provides a kind of preference of the method for refresh page, specifically includes:
201:The Freehandhand-drawing track of touch screen is recorded, the Freehandhand-drawing track is including beginning contact, current contact and beginning contact and currently All contacts between contact.
Wherein, the user of touch-screen mobile phone in browsing pages, it is necessary to refresh the page currently shown.The user is tight with finger Mobile phone screen is touched, towards direction clockwise or counter-clockwise, rotatably draws camber line.
Further, the step specifically includes:
2011:Detect the contact of the Freehandhand-drawing track of touch screen.
Wherein, by the characteristic according to touch screen, each contact that user is in contact with finger with screen is detected in real time.This is Technology known in the art, will not be described in detail herein.In the present embodiment, first contact user's finger being in contact with screen Beginning contact as Freehandhand-drawing track.
2012:The contact of synchronous recording Freehandhand-drawing track, the Freehandhand-drawing track include beginning contact, current contact and beginning contact All contacts between current contact.
Wherein, when detecting the beginning contact of Freehandhand-drawing track, beginning contact will be recorded simultaneously;With detecting Freehandhand-drawing track Other contacts, by other each contacts of synchronous recording Freehandhand-drawing track.Specifically, the contact of the Freehandhand-drawing track of record, specific bag Include each contact between beginning contact, current contact and beginning contact and current contact.It is readily apparent that, in real time in record, when Front contact is dynamic change.Specifically, it is assumed that the current contact recorded in real time is n-th contact.If the drafting of Freehandhand-drawing track Do not terminate, then, the current contact recorded in real time next time is the N+1 contact.
In addition, in order to allow user easily to carry out drafting operation, can be prompted accordingly to user.For example, from beginning contact Start, calculate the time of user's touch screen.Exceed certain time (such as 1 second) when the time of touch screen, eject and " draw a circle to brush on screen Prompt message newly ".
202:One circular arc is determined according to the Freehandhand-drawing track.
Wherein, according to record beginning contact, each contact between current contact and beginning contact and current contact, Determine the Freehandhand-drawing track.
Further, the step specifically includes:
2021:It is determined that using Freehandhand-drawing track beginning contact and current contact as the line segment of end points perpendicular bisector.
Wherein, as shown in Figure 3, it is assumed that A is the beginning contact of Freehandhand-drawing track, and B is current contact, and the camber line between A, B is the beginning Freehandhand-drawing track between contact and current contact.Dotted line in figure is using 2 points of perpendicular bisectors as the line segment of end points of A, B.
2022:Obtain the intermediate contact intersected in the contact of the Freehandhand-drawing track with the perpendicular bisector.
Wherein it is determined that after the perpendicular bisector for the line segment that the beginning contact of the Freehandhand-drawing track is formed with current contact, the hand will be obtained Paint the intermediate contact intersected in the contact of track with the perpendicular bisector.As shown in Figure 3, it is assumed that C is the centre intersected with the perpendicular bisector Contact.
2023:According to the circles of beginning contact, current contact and the determination of 3 points of intermediate contact, along the drafting direction of Freehandhand-drawing track, Obtain using the circular arc of contact and current contact as end points that begins.
Wherein, as shown in figure 3, according to the circle of 3 points of determinations of A, B, C, along the drafting direction of Freehandhand-drawing track, AB can be obtained.
What deserves to be explained is in the present embodiment, acquisition using beginning contact and current contact as the circular arc of end points, its direction It is the drafting direction along Freehandhand-drawing track.Therefore, the angle for the circular arc that this step determines is unique.
203:The length and round radius using begin contact and current contact as the line segment of end points are obtained, calculates the angle of circular arc Degree.
Wherein, according to the line segment using beginning contact and current contact as end points, the length of the line segment can be obtained;Touched according to beginning Point, the circle of 3 points of determinations of current contact and intermediate contact, can obtain round radius;, can further according to corresponding mathematical principle Calculate the angle using beginning contact and current contact as the circular arc of end points.
204:According to the angle of the circular arc, refresh current page.
Further, the step specifically includes:
2041:Compare the angle of circular arc and the size of predetermined angle, judge whether the angle of circular arc is less than predetermined angle.
Wherein, the predetermined angle is the angle pre-set.
Wherein, in order to avoid the operation that user unconsciously triggers refresh page, an angle will be pre-set.Pass through ratio Compared with the angle of the circular arc and the size of predetermined angle, decide whether to start the operation of refresh page.Specifically, if the angle of circular arc Less than predetermined angle, then 2043 are performed;If the angle of circular arc is equal to or more than predetermined angle, 2042 are performed.Preferably, preset Angle is 240 °.
What deserves to be explained is if the drafting in the acquisition direction and Freehandhand-drawing track of circular arc is in opposite direction, then, if circular arc Angle is less than predetermined angle, will perform 2042;If the angle of circular arc is equal to or more than predetermined angle, 2043 will be performed.
In addition, in order to allow user to be readily achieved drafting operation, can be prompted accordingly to user.For example, when circular arc When angle is equal to or more than predetermined angle, the prompt message of ejection " unclamping to refresh " on screen.
2042:Refresh current page.
Wherein, when the result judged is equal to or more than predetermined angle as the angle of circular arc, start and refresh current page Operation.
2043:Judge whether the drafting of Freehandhand-drawing track terminates.
Wherein, when the angle of circular arc is less than predetermined angle, it will determine that whether the drafting of Freehandhand-drawing track terminates.Freehandhand-drawing track Drafting terminate, refer to that finger is unclamped screen by user.Conversely, the drafting of Freehandhand-drawing track does not terminate, refer to user with finger after It is continuous to touch screen.Judge whether the drafting of Freehandhand-drawing track terminates;If so, then perform 2011;If it is not, then perform 2012.Specifically, It can judge whether the drafting of Freehandhand-drawing track terminates according to the changing value of the coordinate of the contact of synchronous recording.This is that this area is ripe The technology known, will not be described in detail herein.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is:By the Freehandhand-drawing track for recording touch screen;Energy The characteristic of touch screen is enough used, Consumer's Experience is lifted, further lifts the public praise of product;The Freehandhand-drawing track includes beginning contact, current All contacts between contact and beginning contact and current contact;Current page is refreshed according to the Freehandhand-drawing track;Can be by this The operation of refresh page is triggered in contact in Freehandhand-drawing track, the operation for avoiding user's false triggering touch screen from refreshing, eliminates and is judging Existing error during refresh operation, reduces the loss of unnecessary flow.
Embodiment 3
Referring to Fig. 4, the embodiment of the present invention 3 provides a kind of device of refresh page, specifically includes:
Logging modle 301, for recording the Freehandhand-drawing track of touch screen, the Freehandhand-drawing track include the beginning contact, current contact and Beginning contact and current contact between all contacts.
Refresh module 302, for refreshing current page according to the Freehandhand-drawing track.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is:By the Freehandhand-drawing track for recording touch screen;Energy The characteristic of touch screen is enough used, Consumer's Experience is lifted, further lifts the public praise of product;The Freehandhand-drawing track includes beginning contact, current All contacts between contact and beginning contact and current contact;Current page is refreshed according to the Freehandhand-drawing track;Can be by this The operation of refresh page is triggered in contact in Freehandhand-drawing track, the operation for avoiding user's false triggering touch screen from refreshing, eliminates and is judging Existing error during refresh operation, reduces the loss of unnecessary flow.
Embodiment 4
Referring to Fig. 5, the embodiment of the present invention 4 provides a kind of device of refresh page, specifically includes:
Logging modle 401, for recording the Freehandhand-drawing track of touch screen, the Freehandhand-drawing track include the beginning contact, current contact and Beginning contact and current contact between all contacts.
Wherein, logging modle 401 specifically includes:
Detection unit 4011, the contact of the Freehandhand-drawing track for detecting touch screen.
Recording unit 4012, for the contact of synchronous recording Freehandhand-drawing track, the Freehandhand-drawing track includes beginning contact, currently touched All contacts between point and beginning contact and current contact.
Refresh module 402, for refreshing current page according to the Freehandhand-drawing track.
Wherein, refresh module 402 specifically includes:
Determining unit 4021, for determining a circular arc according to the Freehandhand-drawing track.
Wherein it is determined that unit 4021 specifically includes:
Determination subelement 4021a, for determining using the perpendicular bisector of contact and current contact as the line segment of end points that begins.
First obtains subelement 4021b, the intermediate contact intersected in the contact for obtaining Freehandhand-drawing track with perpendicular bisector.
Second obtains subelement 4021c, for the circle according to 3 points of beginning contact, current contact and intermediate contact determinations, edge The drafting direction of Freehandhand-drawing track, obtain the circular arc using beginning contact and current contact as end points.
Computing unit 4022, for obtaining using beginning contact and current contact as the length of the line segment of end points and the radius of circle, Calculate the angle of circular arc.
Refresh unit 4023, for the angle according to the circular arc, refresh current page.
Wherein, refresh unit 4023 specifically includes:
Comparing subunit 4023a, for comparing the angle of circular arc and the size of predetermined angle, judge circular arc angle whether Less than predetermined angle;The predetermined angle is the angle pre-set.
Refresh subelement 4023b, if the angle for circular arc is equal to or more than predetermined angle, refresh current page.
Judgment sub-unit 4023c, if the angle for circular arc is less than predetermined angle, judge Freehandhand-drawing track drafting whether Terminate.
Further, logging modle 401 is additionally operable to, if judgment sub-unit 4023c judged result painting for Freehandhand-drawing track System has terminated, then detects the contact of the Freehandhand-drawing track of touch screen;If judgment sub-unit 4023c judged result is painted for Freehandhand-drawing track System does not terminate, then the contact of synchronous recording Freehandhand-drawing track.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is:By the Freehandhand-drawing track for recording touch screen;Energy The characteristic of touch screen is enough used, Consumer's Experience is lifted, further lifts the public praise of product;The Freehandhand-drawing track includes beginning contact, current All contacts between contact and beginning contact and current contact;Current page is refreshed according to the Freehandhand-drawing track;Can be by this The operation of refresh page is triggered in contact in Freehandhand-drawing track, the operation for avoiding user's false triggering touch screen from refreshing, eliminates and is judging Existing error during refresh operation, reduces the loss of unnecessary flow.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.

Claims (10)

  1. A kind of 1. method of refresh page, it is characterised in that methods described includes:
    The Freehandhand-drawing track of touch screen is recorded, the Freehandhand-drawing track includes beginning contact, current contact and the beginning contact and worked as with described All contacts between front contact, the Freehandhand-drawing track are the camber lines drawn towards direction pivots clockwise or counter-clockwise rotation;
    One circular arc is determined according to the Freehandhand-drawing track;
    Compare the angle of the circular arc and the size of predetermined angle, judge whether the angle of the circular arc is less than the preset angle Degree;The predetermined angle is the angle pre-set;
    If the angle of the circular arc is equal to or more than the predetermined angle, refresh current page.
  2. 2. the method as described in claim 1, it is characterised in that the Freehandhand-drawing track of the record touch screen, specifically include:
    Detect the contact of the Freehandhand-drawing track of the touch screen;
    The contact of Freehandhand-drawing track described in synchronous recording.
  3. 3. the method as described in claim 1, it is characterised in that it is described that a circular arc is determined according to the Freehandhand-drawing track, specifically Including:
    It is determined that using the beginning contact and the current contact as the perpendicular bisector of the line segment of end points;
    Obtain the intermediate contact intersected in the contact of the Freehandhand-drawing track with the perpendicular bisector;
    According to the beginning contact, the circle of 3 points of determinations of the current contact and the intermediate contact, along painting for the Freehandhand-drawing track Direction processed, obtain the circular arc using the beginning contact and the current contact as end points.
  4. 4. method as claimed in claim 3, it is characterised in that methods described also includes:
    Obtain using the beginning contact and the current contact as the length of the line segment of end points and the radius of the circle, calculate the circle The angle of arc.
  5. 5. the method as described in claim 1, it is characterised in that methods described also includes:
    If the angle of the circular arc is less than the predetermined angle, judge whether the drafting of the Freehandhand-drawing track terminates;
    If the drafting of the Freehandhand-drawing track has terminated, the contact of the Freehandhand-drawing track of the touch screen is detected;
    If the drafting of the Freehandhand-drawing track does not terminate, the contact of Freehandhand-drawing track described in synchronous recording.
  6. 6. a kind of device of refresh page, it is characterised in that described device includes:
    Logging modle, for recording the Freehandhand-drawing track of touch screen, the Freehandhand-drawing track includes beginning contact, current contact and described Beginning contact and the current contact between all contacts, the Freehandhand-drawing track be towards direction pivots clockwise or counter-clockwise rotation paint The camber line of system;
    Refresh module, for refreshing current page according to the Freehandhand-drawing track;
    Wherein, the refresh module specifically includes:
    Determining unit, for determining a circular arc according to the Freehandhand-drawing track;
    Refresh unit, for the angle according to the circular arc, refresh current page;
    The refresh unit specifically includes:
    Comparing subunit, for the angle of the circular arc and the size of predetermined angle, judge the circular arc angle whether Less than the predetermined angle;The predetermined angle is the angle pre-set;
    Refresh subelement, if the angle for the circular arc is equal to or more than the predetermined angle, refresh current page.
  7. 7. device as claimed in claim 6, it is characterised in that the logging modle specifically includes:
    Detection unit, the contact of the Freehandhand-drawing track for detecting the touch screen;
    Recording unit, the contact for Freehandhand-drawing track described in synchronous recording.
  8. 8. device as claimed in claim 6, it is characterised in that the determining unit specifically includes:
    Determination subelement, for determining the perpendicular bisector using the beginning contact and the current contact as the line segment of end points;
    First obtains subelement, the intermediate contact intersected in the contact for obtaining the Freehandhand-drawing track with the perpendicular bisector;
    Second obtains subelement, for the circles according to the beginning contact, the current contact and the determination of 3 points of the intermediate contact, Along the drafting direction of the Freehandhand-drawing track, the circular arc using the beginning contact and the current contact as end points is obtained.
  9. 9. device as claimed in claim 8, it is characterised in that the refresh module also includes:
    Computing unit, for obtain using the beginning contact and the current contact as the line segment of end points length and the circle half Footpath, calculate the angle of the circular arc.
  10. 10. device as claimed in claim 6, it is characterised in that the refresh unit also includes,
    Judgment sub-unit, if the angle for the circular arc is less than the predetermined angle, judge the drafting of the Freehandhand-drawing track Whether terminate;
    Correspondingly, the logging modle is additionally operable to,
    If the drafting of the Freehandhand-drawing track has terminated, the contact of the Freehandhand-drawing track of the touch screen is detected;
    If the drafting of the Freehandhand-drawing track does not terminate, the contact of Freehandhand-drawing track described in synchronous recording.
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