CN103995669B - A kind of address list navigation bar display methods and device - Google Patents
A kind of address list navigation bar display methods and device Download PDFInfo
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- CN103995669B CN103995669B CN201410220360.2A CN201410220360A CN103995669B CN 103995669 B CN103995669 B CN 103995669B CN 201410220360 A CN201410220360 A CN 201410220360A CN 103995669 B CN103995669 B CN 103995669B
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Abstract
The present invention is suitable for the communications field, provides a kind of address list navigation bar display methods and device.The method includes：Monitor touch-screen event；After listening to touch-screen event, the coordinate of touch screen point is determined；According to the coordinate of the initial of the coordinate of the touch screen point, navigation bar and the coordinate of the end letter of navigation bar, the center of circle and the radius of the circle where the circular arc of the end letter of the initial and navigation bar by the navigation bar are determined；The navigation bar is shown on the arc section intersected with the initial of navigation bar and end letter with the radius and the circle of center of circle formation.The embodiment of the present invention can improve the accuracy for clicking contact person's surname letter in navigation bar.
Description
Technical field
The invention belongs to the communications field more particularly to a kind of address list navigation bar display methods and devices.
Background technology
With the development of science and technology, the raising of living standards of the people, intelligent terminal have become in people's daily life
Indispensable media of communication.When contacting others using intelligent terminal, for example, when contacting others using mobile phone,
The address list using mobile phone is needed to search the contact person to be contacted.
Currently, the address list navigation bar of intelligent terminal arranges display methods, be typically contact person's surname for being stored into according to
It after letter sequence, is stored in navigation bar, the letter of the navigation bar is vertically arranged again on the screen for being shown in intelligent terminal, such as Fig. 1
It is shown.In Fig. 1, contact person's surname letter of navigation bar is " ABCDEFGHIJKLMNOPQRSTUVWXYZ ", and the navigation bar is perpendicular
In line row are shown on the screen of intelligent terminal.Due to navigation bar letter from screen to being vertically arranged under screen, and
The screen size of intelligent terminal is limited, therefore the gap between two letters of the navigation bar shown using this method is smaller,
User is difficult to navigate to correct position in two neighbouring letters, so as to cause accidentally when selecting contact person's surname letter
Clicking rate is excessively high.
Invention content
An embodiment of the present invention provides a kind of address list navigation bar display methods, it is intended to solve the navigation that existing method is shown
In item, the gap between two adjacent letters is thinner, so as to cause the problem that overdue rate is excessively high.
The embodiment of the present invention is achieved in that a kind of address list navigation bar display methods, and the method includes following steps
Suddenly：
Monitor touch-screen event；
After listening to touch-screen event, the coordinate of touch screen point is determined；
According to the coordinate of the initial of the coordinate of the touch screen point, navigation bar and the coordinate of the end letter of navigation bar, determine
The center of circle of circle where the circular arc of end letter by the initial and navigation bar of the navigation bar and radius；
On the arc section intersected with the initial of navigation bar and end letter with the radius and the circle of center of circle formation
Show the navigation bar.
The another object of the embodiment of the present invention is to provide a kind of address list navigation bar display device, and described device includes：
Touch-screen event monitoring unit, for monitoring touch-screen event；
Touch screen point coordinates determination unit, the coordinate for after listening to touch-screen event, determining touch screen point；
The center of circle and radius determination unit, for according to the coordinate of the initial of the coordinate of the touch screen point, navigation bar and leading
The coordinate of the end letter of boat item determines the circle where the circular arc of the last letter of the initial and navigation bar by the navigation bar
The center of circle and radius；
Navigation bar display unit, for the initial and end letter of the circle and navigation bar of the radius and center of circle formation
Intersect and shows the navigation bar on obtained arc section.
In embodiments of the present invention, due to showing navigation bar in the form of arc, and the length of camber line is more than the length of straight line
It spends, therefore when showing identical content, what the distance between the two neighboring letter that arcuate motion is shown was shown than linear fashion
The distance between two neighboring letter bigger selects convenient for user on navigation bar to provide the space of bigger to user's operation
Letter, improve touch screen selection accuracy.
Description of the drawings
Fig. 1 is the schematic diagram that the address list navigation bar that the prior art provides is vertically arranged display；
Fig. 2 is a kind of flow chart for address list navigation bar display methods that first embodiment of the invention provides；
Fig. 3 is the schematic diagram that the arc that first embodiment of the invention provides shows address list navigation bar；
Fig. 4 be first embodiment of the invention provide the center of circle determined according to the first, last letter of touch screen point and navigation bar and
The schematic diagram of radius；
Fig. 5 is the first, last letter determination for the subpoint and navigation bar according to touch screen point that first embodiment of the invention provides
The center of circle and radius schematic diagram；
Fig. 6 is that the circle of determination that first embodiment of the invention provides intersects with the initial of navigation bar and end letter
The schematic diagram of one arc section；
Fig. 7 is schematic diagram of the touch screen point of first embodiment of the invention offer under polar coordinate system；
Fig. 8 is that a kind of structural diagrams for address list navigation bar display device that second embodiment of the invention provides are intended to.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In the embodiment of the present invention, after listening to event, determine the coordinate of touch screen point, further according to touch screen point coordinate, lead
The coordinate of the coordinate of the initial of boat item and the end letter of navigation bar, determines the head of the coordinate comprising the touch screen point, navigation bar
The radius of circle where the circular arc of the coordinate of the coordinate of letter and the end letter of navigation bar and the center of circle, finally with the radius
And the letter of the navigation bar is shown on the center of circle circle and the navigation bar initial that are formed and the last alphabetical arc section intersected.
In order to illustrate technical solutions according to the invention, illustrated below by specific embodiment.
Embodiment one：
Fig. 2 shows a kind of flow charts for address list navigation bar display methods that first embodiment of the invention provides, at this
In embodiment, the navigation bar of address list can show that details are as follows in the form of arc：
Step S21 monitors touch-screen event.
The touch-screen event of the step includes：User clicks the touch screen that screen sends out touch-screen event and user's sliding screen is sent out
Event.Further, an audit area is preset, touch-screen event is monitored in the preset audit area.Preset monitoring area
Domain could be provided as including navigation bar, and include the region of certain area coverage around navigation bar.
Wherein, the navigation bar of address list may be configured as A to Z totally 26 letter compositions, may be set to be by contact person's
Surname initial forms, for example, when the initial of contact person does not all have X, does not have this letter of X in navigation bar.
As another embodiment of first embodiment of the invention, the monitoring touch-screen event the step of before, including under
State step：
In the circular arc intersected with the initial of navigation bar and end letter with preset radius and the circle of center of circle formation
The navigation bar is shown in section.
In this embodiment, the position that each letter in navigation bar is initialized by a thread, specifically, A1, foundation
Preset radius and the center of circle form a circle；A2, the circle intersected with the initial of navigation bar and end letter in the circle of formation
Each letter that navigation bar is shown in segmental arc, obtains the navigation bar that arc is shown, the navigation bar that arc is shown is as shown in Figure 3.
Step S22 determines the coordinate of touch screen point after listening to touch-screen event.
In the step, the coordinate of determining touch screen point is the coordinate under cartesian coordinate system.Wherein, cartesian coordinate system is
The general designation of rectangular coordinate system and oblique coordinates.
Step S23, according to the coordinate of the initial of the coordinate of the touch screen point, navigation bar and the seat of the end letter of navigation bar
Mark determines the center of circle and the radius of the circle where the circular arc of the end letter of the initial and navigation bar by the navigation bar.
In the step, the letter " A " of navigation bar in the initial such as Fig. 1 of navigation bar, the end letter of navigation bar in Fig. 1 as led
The letter " Z " of boat item, certainly, in a practical situation, as long as all surnames in the initial of navigation bar not necessarily A address lists
First letter after arranging in alphabetical order, as long as end letter also all surnames not necessarily in Z address lists
The last letter after arranging in alphabetical order, is not construed as limiting herein.In this step, the initial of navigation bar
Coordinate and the coordinate of end letter be also coordinate under cartesian coordinate system, be predetermined.
The first embodiment is in this step：It is equal to the center of circle and navigation bar according to the distance between the center of circle and touch screen point
The distance between coordinate of initial (being radius) and the distance between the initial of the center of circle and navigation bar are arrived equal to the center of circle
The distance between non-letter of navigation bar (being radius), establishes coordinate and radius that equation group can determine the center of circle.Assuming that
The coordinate (X1, Y1) of the initial of navigation bar, the coordinate (X2, Y2) of the end letter of navigation bar, according to the head in the center of circle to navigation bar
The distance of letter then infers that the center of circle is located at a distance from the end letter in the center of circle to navigation bar equal (length for being equal to radius of circle)
On the perpendicular bisector of the alphabetical point-to-point transmission line segment of the initial of navigation bar and end, therefore the ordinate in the center of circle is (Y1+Y2)/2, false
If central coordinate of circle is (x, (Y1+Y2)/2), the coordinate of touch screen point is (X3, Y3), is equal at a distance from the center of circle according to touch screen point and is led
The distance in initial to the center of circle of item of navigating establishes the abscissa x that an equation determines the center of circle, alternatively, according to touch screen point and the center of circle
Distance is equal to distance of the end letter of navigation bar to the center of circle and establishes the abscissa x that an equation determines the center of circle, then according to the center of circle
The distance between touch screen point can determine round radius, determined through the central coordinate of circle of 3 points of circle according to the coordinate of three points and
Radius is common knowledge, and details are not described herein.
Second of embodiment be：Before determining radius of circle, need to judge the lead-in whether touch screen point is located at navigation bar
It, specifically can be by judging the lead-in of the ordinate and navigation bar of touch screen point on female perpendicular bisector with the alphabetical point-to-point transmission line segment in end
Whether the ordinate at female midpoint alphabetical with end is equal to judge；
If the ordinate of touch screen point is equal with the last ordinate at midpoint of letter with the initial of navigation bar, referring to Fig. 4, i.e.,
It is described to be touched according to described when the touch screen point is located on the initial of navigation bar and the perpendicular bisector of the alphabetical point-to-point transmission line segment in end
The coordinate for shielding the end letter of the coordinate of point, the coordinate of the initial of navigation bar and navigation bar, determines the head by the navigation bar
The step of radius of circle where the circular arc of the end letter of letter and navigation bar, specifically includes：
B1, determined according to the coordinate of the end letter of the coordinate and navigation bar of the initial of the navigation bar initial with
The middle point coordinates of last letter；Assuming that the coordinate of the initial of navigation bar be (x1, y1), navigation bar end letter coordinate be (x2,
Y2), then the middle point coordinates of the end letter of the initial of navigation bar and navigation bar is ((x1+x2)/2, (y1+y2)/2).
B2, determined according to the middle point coordinates of the coordinate of the touch screen point and the initial and end letter the touch screen point and
The distance between the midpoint of the initial of the navigation bar and end letter；In the step, the lead-in of touch screen point and the navigation bar
Female the distance between midpoint with last letter is determined by distance between two points formula.
B3, the navigation bar is determined according to the coordinate of initial and the last alphabetical coordinate of navigation bar of the navigation bar
The distance between initial and end letter；In the step, the distance between the initial of navigation bar and end letter pass through point-to-point transmission
Range formula determines.
B4, according to the distance between midpoint of the initial of the touch screen point and the navigation bar and end letter and described
The distance between the initial of navigation bar and end letter are determined by the touch screen point, the initial of navigation bar and navigation bar
The radius of circle where the circular arc of last letter.Specifically, the head of the coordinate, navigation bar that pass through the touch screen point is determined according to the following formula
The radius of circle where the circular arc of the end letter of letter and navigation bar：(r-w) ^2+ (h/2) ^2=r^2.Wherein, r is the half of circle
Diameter；W is the distance between the midpoint of the initial and end letter of touch screen point and navigation bar；H is the initial of navigation bar and last word
The distance between mother.It is assumed that touch screen point is A points, C points are the position where the initial of navigation spots, and B points are to lead
Position where the end letter of destination, A points are on the perpendicular bisector of BC line segments, and AM=w, AO=r, CM=h/2, then to straight
Angle triangle CMO obtains (r-w) ^2+ (h/2) ^2=r^2 according to Pythagorean theorem.Due to w and h it is known that circle therefore can be found out
Radius r.
If the ordinate at the midpoint of the ordinate of touch screen point and the initial of navigation bar and end letter is unequal, referring to Fig. 5,
When the i.e. described touch screen point is not located on the initial of navigation bar and the perpendicular bisector of the alphabetical point-to-point transmission line segment in end, the basis
The coordinate of the end letter of the coordinate of the touch screen point, the coordinate of the initial of navigation bar and navigation bar, determines and passes through the navigation
The step of radius of circle where the circular arc of the initial of item and the end letter of navigation bar, specifically includes：
C1, determined according to the coordinate of the end letter of the coordinate and navigation bar of the initial of the navigation bar initial with
The middle point coordinates of last letter.
C2, by the initial of the touch screen spot projection to navigation bar with end letter midpoint and the center of circle line on, and really
Surely the coordinate of the subpoint of the touch screen point obtained.Referring to Fig. 5, the subpoint of touch screen point is A.
C3, the middle point coordinates according to the coordinate and the initial and end letter of the subpoint of the touch screen point, determine institute
State the distance between the midpoint of the subpoint of touch screen point and the initial and end letter of the navigation bar.
C4, the navigation bar is determined according to the coordinate of initial and the last alphabetical coordinate of navigation bar of the navigation bar
The distance between initial and end letter.
C5, according to the subpoint of the touch screen point and the initial of the navigation bar and end letter midpoint between away from
From and the navigation bar initial and the distance between end letter, determine subpoint, the navigation bar by the touch screen point
Initial and navigation bar end letter circular arc where circle radius.In this step, the formula and step of radius are calculated
B4's is identical, and details are not described herein again.Coordinate and navigation bar according further to the initial of the coordinate of the touch screen point, navigation bar
The coordinate of last letter determines the center of circle step of the circle where the circular arc of the end letter of the initial and navigation bar by the navigation bar
Suddenly include：According to the distance between the center of circle and touch screen point be equal to the center of circle and navigation bar initial (or end letter of navigation bar) it
Between distance determine the coordinate in the center of circle, can also be according to the radius r obtained in above-described embodiment and the seat in the center of circle and touch screen point
The coordinate that mark can find out the center of circle realizes the step of determining the center of circle,.
Second of embodiment of this step can be convenient for the calculating of angle in subsequent step S24, calculation amount few.
Certainly, it is not located in the touch screen point on the perpendicular bisector that the initial of navigation bar is connected with last alphabetical straight line
When, between the coordinate for the initial that the center of circle and navigation bar can also be directly equal to according to the distance between the center of circle and touch screen point away from
It is equal to the center of circle between the not letter of navigation bar from the distance between (being radius) and initial of the center of circle and navigation bar
Distance (being radius), establishes equation group to determine the coordinate and radius in the center of circle, is not construed as limiting herein.
Step S24, in the circle intersected with navigation bar initial and end letter with the radius and the circle of center of circle formation
The navigation bar is shown in segmental arc.
In step s 24, it may be determined that round radius and the center of circle, according to determining radius and the center of circle can determine one it is round
Shape, which intersects to obtain an arc section with navigation bar initial and end letter, as shown in fig. 6, in the position of the arc section
Information on the upper display navigation bar.
The wherein described circle intersected in the circle formed with the radius and the center of circle and navigation bar initial and end letter
The step of navigation bar is shown in segmental arc specifically includes：
D1, the initial for determining navigation bar, the center of circle, navigation bar end letter formed angle the number of degrees；In the step, if
The first embodiment is used in step 23, then directly passes through the alphabetical angle in the end of the initial of navigation bar, the center of circle, navigation bar
Formula obtains angle；If in step 23 use second of embodiment, i.e., the initial of navigation bar, the center of circle, navigation bar last word
Female angle formed θ as shown in Figure 4.Referring to Fig. 4,2 points of C, B is respectively initial and end letter on navigation bar, and A is tactile
Shield point, M is the midpoint of BC, θ=∠ BOC=2 ∠ AOC, and ∠ AOC=arctan ((h/2)/(r-w))=arctan (h/2*
(r-w))。
D2, according to alphabetical in the number of degrees of determining angle, radius, the sequence that is shown in navigation bar of letter and navigation bar
Number determines that each letter is in the coordinate of screen in navigation bar；Specifically, determine that each letter is shielding in navigation bar according to the following formula
The coordinate of curtain：
Wherein, θ is the initial of navigation bar, is formed with the end letter of the center of circle of the circle of radius formation, navigation bar
The number of degrees of angle；N is number alphabetical in navigation bar；X, y are the values under cartesian coordinate system, and x is letter in screen
Abscissa, y are ordinate of the letter in screen；ρ is the radius of circle, and wherein ρ is equal with r；I shows for letter in navigation bar suitable
Sequence, i=0,1 ..., N.Coordinate under polar coordinate system is converted to the coordinate under cartesian coordinate system by above-mentioned formula.In polar coordinates
Under system, any point on circular arc can use polar coordinate representation, referring to Fig. 7, in the figure 7, using the center of circle as origin, with navigation bar
Initial and the midpoint of end letter establish polar coordinate system, the polar coordinates of A points to the line direction of A points for polar positive direction
ForIf coordinate of the A points under cartesian coordinate system is (x, y), then
D3, each letter shows corresponding letter on the coordinate of screen in determining navigation bar.
In the first embodiment of the invention, after listening to event, the coordinate of touch screen point is determined, further according to the seat of touch screen point
The coordinate of the coordinate of the initial of mark, navigation bar and the end letter of navigation bar, determines coordinate, the navigation bar for including the touch screen point
Initial coordinate and navigation bar end letter coordinate circular arc where circle radius and the center of circle, finally with described
The navigation bar is shown on the arc section that the circle that radius and the center of circle are formed intersects with the initial of navigation bar and end letter
Letter.Due to showing navigation bar in the form of arc, and the length of camber line is more than the length of straight line, therefore is showing in identical
Rong Shi, the distance between two neighboring letter that arcuate motion is shown than linear fashion show it is two neighboring letter between away from
From bigger, to provide the space of bigger to user's operation, the letter on navigation bar is selected convenient for user, improves touch screen selection
Accuracy.Also, the navigation bar that first embodiment of the invention is shown is relevant with the position of current touch screen point, when touch screen point
When the difference of position, the shape of the navigation bar of presentation is also different, and the navigation bar for changing presentation is more advantageous to user and is selected on navigation bar
In correctly contact person surname letter, improve click navigation bar in contact person's surname letter accuracy rate.
Embodiment two：
Fig. 8 shows a kind of structure chart for address list navigation bar display device that second embodiment of the invention provides, in order to
Convenient for explanation, illustrate only and the relevant part of the embodiment of the present invention.
The address list navigation bar display device includes：Touch-screen event monitoring unit 81, touch screen point coordinates determination unit 82, circle
The heart and radius determination unit 83, navigation bar display unit 84.Wherein：
Touch-screen event monitoring unit 81, for monitoring touch-screen event.
The touch-screen event includes：User clicks the touch-screen event that screen sends out touch-screen event and user's sliding screen is sent out.
Further, an audit area is preset, touch-screen event is monitored in the preset audit area.Preset audit area can be with
It is set as including navigation bar, and includes the region of certain area coverage around navigation bar.
Touch screen point coordinates determination unit 82, the coordinate for after listening to touch-screen event, determining touch screen point.
The center of circle and radius determination unit 83, for obtaining and according to the initial of the coordinate of the touch screen point, navigation bar
The coordinate of the end letter of coordinate and navigation bar determines the circular arc institute of the end letter of the initial and navigation bar by the navigation bar
Circle the center of circle and radius.
Specifically, the first embodiment of the center of circle and radius determination unit 83：For according to the center of circle and touch screen point it
Between distance be equal to the distance between coordinate of initial of the center of circle and navigation bar (being radius) and the center of circle and navigation bar
The distance between initial is equal to the center of circle to the distance between the non-letter of navigation bar (being radius), and establishing equation group can be true
The coordinate and radius of centering determine that central coordinate of circle and radius by 3 points of circle are known normal according to the coordinate of three points
Know, details are not described herein.
Second of embodiment of the center of circle and radius determination unit 83：When the touch screen point be located at the initial of navigation bar with
When on the perpendicular bisector of last letter point-to-point transmission line segment, the center of circle and radius determination unit 83 include：
Point coordinates determining module in first is used for the end letter of the coordinate and navigation bar according to the initial of the navigation bar
Coordinate determine the initial with end letter middle point coordinates.
Touch screen point, apart from determining module, is used for according to the coordinate of the touch screen point and the initial and end letter with midpoint
Middle point coordinates determine the touch screen point and the navigation bar initial and end letter the distance between midpoint.
First first and last letter distances determining module is used for the end of the coordinate and navigation bar according to the initial of the navigation bar
The coordinate of letter determines the distance between initial and end letter of the navigation bar.
First radius computing module, for the midpoint according to the initial of the touch screen point and the navigation bar and end letter
The distance between and the navigation bar initial and the distance between end letter, determine by the touch screen point navigation bar
The radius of circle where the circular arc of the end letter of initial and navigation bar.
Specifically, the coordinate and navigation bar of the initial of the coordinate comprising the touch screen point, navigation bar are determined according to the following formula
End letter coordinate circular arc where circle radius：(r-w) ^2+ (h/2) ^2=r^2.Wherein, r is the radius of circle；W is
The distance between the midpoint of the initial of touch screen point and navigation bar and end letter；H is between the initial of navigation bar and end letter
Distance.
If the touch screen point is not located on the initial of navigation bar and the perpendicular bisector of the alphabetical point-to-point transmission line segment in end,
The center of circle and radius determination unit 83 include：
Point coordinates determining module in second is used for the end letter of the coordinate and navigation bar according to the initial of the navigation bar
Coordinate determine the initial with end letter middle point coordinates；
Touch screen spot projection module is used for the midpoint with end letter and circle by the initial of the touch screen spot projection to navigation bar
On the line of the heart, and determine the coordinate of the subpoint of the obtained touch screen point；
The subpoint of touch screen point, apart from determining module, is used for coordinate and the institute of the subpoint according to the touch screen point with midpoint
The middle point coordinates for stating initial and end letter determines the subpoint of the touch screen point and the initial of the navigation bar and end letter
The distance between midpoint；
Second first and last letter distances determining module is used for the end of the coordinate and navigation bar according to the initial of the navigation bar
The coordinate of letter determines the distance between initial and end letter of the navigation bar；
Second radius computing module, for according to the subpoint of the touch screen point and the initial of the navigation bar and last word
The distance between the initial and end letter of the distance between female midpoint and the navigation bar, determine and pass through the touch screen
The radius of circle where the circular arc of the end letter of the subpoint of point, the initial of navigation bar and navigation bar.
Judge whether touch screen point is located at the initial and the alphabetical point-to-point transmission line segment in end of navigation bar in above-mentioned second embodiment
Function on perpendicular bisector can concentrate in the center of circle and radius determining module 83, can also be realized by the module separately set, together
Shi Yuanxin and radius determining module 83 further include：Central coordinate of circle computing module, for according to the distance between the center of circle and touch screen point
It, can also basis equal to the coordinate that the distance between the initial (or end letter of navigation bar) in the center of circle and navigation bar determines the center of circle
The distance between the center of circle and touch screen point are obtained equal to radius computing module (the first radius computing module or the second radius computing module)
To radius determine the coordinate in the center of circle.
Navigation bar display unit 84, for initial and the end of the radius and the circle and navigation bar of center of circle formation
The navigation bar is shown on the arc section that letter intersection obtains.
The navigation bar display unit 84 specifically includes：Angle number of degrees determining module, each alphabetic coordinates determining module, letter
Display module.Wherein：
Angle number of degrees determining module, for determine the initial of navigation bar, the center of circle, navigation bar the angle that is formed of end letter
The number of degrees.
Each alphabetic coordinates determining module, it is suitable for being shown in navigation bar according to the number of degrees of determining angle, radius, letter
Alphabetical number in sequence and navigation bar determines that each letter is in the coordinate of screen in navigation bar.Specifically, each alphabetic coordinates are true
Cover half block includes angle average value determining module and cartesian coordinate determining module.The angle average value determining module is used for basisDetermine the initial of navigation bar, the center of circle of the circle formed with the radius, navigation bar end letter formed
Angle average value.Wherein, θ is the initial of navigation bar, with the center of circle of the circle of radius formation, the end letter of navigation bar
The number of degrees of the angle of formation；N is number alphabetical in navigation bar.The cartesian coordinate determining module is used for basis Determine each word on navigation bar
Female corresponding cartesian coordinate.Wherein, x, y are the values under cartesian coordinate system, and x is abscissa of the letter in screen, and y is
Ordinate of the letter in screen.ρ is the radius of circle, and wherein ρ is equal with r.The sequence that i shows for letter in navigation bar, i=0,
1 ..., N.
Alphabetical display module, in determining navigation bar each letter corresponding word is shown on the coordinate of screen
It is female.
As another embodiment of second embodiment of the invention, described device includes：
Display unit is initialized, for intersecting with navigation bar initial and last letter in the circle formed with preset radius
To arc section on show the navigation bar.After user opens address list, navigation bar is directly shown in a manner of arc.
In second embodiment of the invention, due to showing navigation bar in the form of arc, and the length of camber line is more than straight line
Length, therefore when showing identical content, the distance between two neighboring letter that arcuate motion is shown is more aobvious than linear fashion
The distance between the two neighboring letter shown bigger selects navigation to provide the space of bigger to user's operation convenient for user
Letter on item improves the accuracy of touch screen selection.Also, the navigation bar that first embodiment of the invention is shown is and current touch screen
The position of point is relevant, and when the position difference of touch screen point, the shape of the navigation bar of presentation is also different, changes the navigation bar of presentation
It is more advantageous to the surname letter that user chooses correct contact person on navigation bar, improves the accuracy rate of selection.
It will appreciated by the skilled person that implement the method for the above embodiments be can be with
Relevant hardware is instructed to complete by program, the program can be stored in a computer read/write memory medium
In, the storage medium, such as ROM/RAM, disk, CD.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of address list navigation bar display methods, which is characterized in that the method includes following step：
On the arc section intersected with the initial of navigation bar and end letter with preset radius and the circle of center of circle formation
Show navigation bar；
Monitor touch-screen event；
After listening to touch-screen event, the coordinate of touch screen point is determined；
According to the coordinate of the initial of the coordinate of the touch screen point, navigation bar and the coordinate of the end letter of navigation bar, determines and pass through
The center of circle of circle where the circular arc of the end letter of the coordinate of the touch screen point, the initial of navigation bar and navigation bar and radius；
It is described by the coordinate of the touch screen point, the initial of navigation bar and navigation bar end letter circular arc where circle with
The navigation bar is shown on the arc section that initial and end letter intersection by the navigation bar obtain.
2. the method as described in claim 1, which is characterized in that be located at the initial and end letter of navigation bar in the touch screen point
When on the perpendicular bisector of point-to-point transmission line segment, the coordinate according to the touch screen point, navigation bar initial coordinate and lead
The coordinate of the end letter of boat item determines the circle where the circular arc of the last letter of the initial and navigation bar by the navigation bar
The step of radius, specifically includes：
The initial and end letter are determined according to the coordinate of the coordinate of the initial of the navigation bar and the end letter of navigation bar
Middle point coordinates；
The touch screen point is determined according to the middle point coordinates of the coordinate of the touch screen point and the initial and end letter and described is led
The distance between the midpoint of the initial of boat item and end letter；
The initial of the navigation bar is determined according to the coordinate of the coordinate of the initial of the navigation bar and the end letter of navigation bar
The distance between end letter；
According to the distance between the initial of the touch screen point and the navigation bar and the midpoint of end letter and the navigation bar
Initial and the distance between end letter, determine the end letter by the touch screen point, the initial of navigation bar and navigation bar
Circular arc where circle radius.
3. the method as described in claim 1, which is characterized in that be not located at initial and the end of navigation bar in the touch screen point
When on the perpendicular bisector of alphabetical point-to-point transmission line segment, the coordinate according to the touch screen point, navigation bar initial coordinate
And the coordinate of the last letter of navigation bar, it determines by where the alphabetical circular arc of the initial of the navigation bar and the end of navigation bar
The step of round radius, specifically includes：
The initial and end letter are determined according to the coordinate of the coordinate of the initial of the navigation bar and the end letter of navigation bar
Middle point coordinates；
By the initial of the touch screen spot projection to navigation bar on the midpoint of end letter and the line in the center of circle, and determines and obtain
The coordinate of the subpoint of the touch screen point；
According to the middle point coordinates of the coordinate of the subpoint of the touch screen point and the initial and end letter, the touch screen point is determined
Subpoint and the navigation bar initial and end letter the distance between midpoint；
The initial of the navigation bar is determined according to the coordinate of the coordinate of the initial of the navigation bar and the end letter of navigation bar
The distance between end letter；
According to the distance between the midpoint of the initial of the subpoint of the touch screen point and the navigation bar and end letter, Yi Jisuo
The distance between initial and the end letter of navigation bar are stated, determines the initial of the subpoint, navigation bar that pass through the touch screen point
And the radius of the circle where the circular arc of the end letter of navigation bar.
4. method as claimed in claim 2, which is characterized in that the initial according to the touch screen point and the navigation bar
The distance between the initial and end letter of the distance between midpoint of last letter and the navigation bar, determine described in passing through
The step of radius of circle where the circular arc of the end letter of touch screen point, the initial of navigation bar and navigation bar, specifically includes：
It is determined according to the following formula by the circle where the circular arc of the end letter of the touch screen point, the initial of navigation bar and navigation bar
Radius：
(r-w) ^2+ (h/2) ^2=r^2
Wherein, r is the radius of circle；W is the distance between the midpoint of the initial and end letter of touch screen point and navigation bar；H is to lead
The distance between the initial of boat item and end letter.
5. the method as described in claim 1, which is characterized in that described in coordinate, the navigation bar by the touch screen point
Initial and navigation bar end letter circular arc where circle with by the navigation bar initial and end letter intersect
To arc section on show the navigation bar the step of specifically include：
Determine the initial of navigation bar, the center of circle, navigation bar the number of degrees of angle that are formed of end letter；
Alphabetical number in the sequence and navigation bar that are shown in navigation bar according to the number of degrees of determining angle, radius, letter, really
Determine each alphabetical coordinate in screen in navigation bar；
Each letter shows corresponding letter on the coordinate of screen in determining navigation bar.
6. method as claimed in claim 5, which is characterized in that described to be led according to the number of degrees of determining angle, radius, letter
Alphabetical number, determines that each letter has in the step of coordinate of screen in navigation bar in sequence and navigation bar that boat item is shown
Body includes：
According toDetermine the initial of navigation bar, the center of circle of the circle formed with the radius, navigation bar last word
The average value for the angle that mother is formed；Wherein, θ is the initial of navigation bar, with the center of circle of the circle of radius formation, navigation bar
The number of degrees for the angle that last letter is formed；N is number alphabetical in navigation bar；
According toDetermine navigation bar
The above corresponding cartesian coordinate of each letter；Wherein, x, y are the values under cartesian coordinate system, and x is cross of the letter in screen
Coordinate, y are ordinate of the letter in screen；ρ is the radius of circle；I is the sequence that letter is shown in navigation bar, i=0,1 ..., N-
1。
7. a kind of address list navigation bar display device, which is characterized in that described device includes：
Display unit is initialized, for the initial and end letter of the circle and navigation bar of preset radius and center of circle formation
Intersect and shows navigation bar on obtained arc section；
Touch-screen event monitoring unit, for monitoring touch-screen event；
Touch screen point coordinates determination unit, the coordinate for after listening to touch-screen event, determining touch screen point；
The center of circle and radius determination unit are used for the coordinate and navigation bar of the initial of the coordinate according to the touch screen point, navigation bar
End letter coordinate, determine the circular arc of the end letter by the coordinate of the touch screen point, the initial of navigation bar and navigation bar
The center of circle of the circle at place and radius；
Navigation bar display unit, at coordinate, the initial of navigation bar and the end of navigation bar by the touch screen point
Described in circle where the circular arc of letter is shown on the alphabetical arc section intersected of initial and end by the navigation bar
Navigation bar.
8. device as claimed in claim 7, which is characterized in that be located at the initial and end letter of navigation bar in the touch screen point
When on the perpendicular bisector of point-to-point transmission line segment, the center of circle and radius determination unit include：
Point coordinates determining module in first is used for the seat of the end letter of the coordinate and navigation bar according to the initial of the navigation bar
Mark determines the middle point coordinates of the initial and end letter；
Touch screen point, apart from determining module, is used for according in the coordinate of the touch screen point and the initial and end letter with midpoint
Point coordinates determines the distance between the midpoint of the initial and end letter of the touch screen point and the navigation bar；
First first and last letter distances determining module is used for the end letter of the coordinate and navigation bar according to the initial of the navigation bar
Coordinate determine the distance between initial and end letter of the navigation bar；
First radius computing module, between the initial and the midpoint of end letter according to the touch screen point and the navigation bar
Distance and the navigation bar initial and the distance between end letter, determine the head by the touch screen point, navigation bar
The radius of circle where the circular arc of the end letter of letter and navigation bar.
9. device as claimed in claim 7, which is characterized in that be not located at initial and the end of navigation bar in the touch screen point
When on the perpendicular bisector of alphabetical point-to-point transmission line segment, the center of circle and radius determination unit include：
Point coordinates determining module in second is used for the seat of the end letter of the coordinate and navigation bar according to the initial of the navigation bar
Mark determines the middle point coordinates of the initial and end letter；
Touch screen spot projection module is used for the initial of the touch screen spot projection to navigation bar and last alphabetical midpoint and the center of circle
On line, and determine the coordinate of the subpoint of the obtained touch screen point；
The subpoint of touch screen point, apart from determining module, is used for the coordinate of the subpoint according to the touch screen point and the head with midpoint
The middle point coordinates of letter and end letter determines in the subpoint of the touch screen point and the initial of the navigation bar and end letter
The distance between point；
Second first and last letter distances determining module is used for the end letter of the coordinate and navigation bar according to the initial of the navigation bar
Coordinate determine the distance between initial and end letter of the navigation bar；
Second radius computing module, for according to the subpoint of the touch screen point and the initial of the navigation bar and end letter
The distance between the initial and end letter of the distance between midpoint and the navigation bar are determined by the touch screen point
The radius of circle where the circular arc of the end letter of subpoint, the initial of navigation bar and navigation bar.
10. device as claimed in claim 7, which is characterized in that the navigation bar display unit includes：
Angle number of degrees determining module, for determine the initial of navigation bar, the center of circle, navigation bar the degree of angle that is formed of end letter
Number；
Each alphabetic coordinates determining module, sequence for being shown in navigation bar according to the number of degrees of determining angle, radius, letter with
And alphabetical number in navigation bar, determine that each letter is in the coordinate of screen in navigation bar；
Alphabetical display module, in determining navigation bar each letter corresponding letter is shown on the coordinate of screen.
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| CN104461362A (en) * | 2014-12-08 | 2015-03-25 | 乐视致新电子科技（天津）有限公司 | Index information display control method and device and touch display equipment |
| JP2017173959A (en) * | 2016-03-22 | 2017-09-28 | 富士ゼロックス株式会社 | Information processing device |
| CN106020701B (en) * | 2016-05-26 | 2019-12-27 | 北京金山安全软件有限公司 | Letter index bar display method and device and electronic equipment |
| CN106878546B (en) * | 2016-12-30 | 2019-12-17 | 华为机器有限公司 | graph display method and terminal |
| CN107249066A (en) * | 2017-05-25 | 2017-10-13 | 努比亚技术有限公司 | Navigation bar display methods, mobile terminal and computer-readable recording medium |
| CN107678665A (en) * | 2017-09-13 | 2018-02-09 | 青岛真时科技有限公司 | A kind of method, apparatus and intelligent watch for searching contact person |
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