The application's case is advocated right of priority at this according in 119 pairs of following UK Patent Application cases of 35 U.S.C. § each: No. 0604709.6 of application on March 8th, 2006; No. 0604708.8 of on March 8th, 2006 application; No. 0604710.4 of on March 8th, 2006 application; No. 0604704.7 of on March 8th, 2006 application; With No. 0604706.2 of application on March 8th, 2006, the full content of each of described application case all is incorporated herein by reference at this.
Embodiment
Term used herein is just in order to describe specific embodiment, and is not intended to limit the present invention.As used herein, singulative " " and " described " intention also comprise plural form, unless context has clearly indication in addition.To further understand, it is that indication exists feature, integral body, step, operation, element and/or the assembly of being stated that term " comprises " when using in this manual, but does not get rid of existence or add one or more further features, integral body, step, operation, element, assembly and/or its group.
When describing exemplary embodiment illustrated in graphic, for the sake of clarity adopt particular term.Yet, the disclosure of patent specification being not intended to be confined to selected particular term, and should be appreciated that, each particular element comprises all technical equivalents of operation in a similar manner.
Referring to graphic, wherein same reference numerals refers to identical or corresponding part all the time in described some views, and the exemplary embodiment of present application for patent is described hereinafter.Same numbers refers to similar elements all the time.As used herein, term " and/or " comprise any and all combinations in one or more Listed Items that are associated.
To discuss the present invention with respect to portable navigating device (PND), and should be appreciated that, functional any navigational system or other device that the present invention can be applicable to comprise herein and discussed.
Fig. 1 describes typical client-server and is provided with 15, and it comprises and general user 14, flat computer 12 and personal navigation apparatus (PND) 16 server in communication 10.In the aforementioned means each all comprises through being provided with promoting 18 the communication means of communicating by letter with server 10, and described communication means is known and do not describe in the drawings in this technology.In addition, each can comprise the I/O member that is used for user's exchange message.This I/O member can comprise touch-screen 17, displayed map 19 and with the user command of touch manner input, as describing on the personal navigation apparatus 16 on described touch-screen 17.Touch-screen can further be used for the graphic user interface (hereinafter describe in detail) of display reminding user command.Other I/O member comprises: be used to receive the loudspeaker/microphone setting with the broadcasting speech order; Be used to receive and touch prompting and/or the button by display remindings such as flashing; Other I/O member that can expect with the those skilled in the art.The invention is not restricted to number or type with the client of server interaction, and aforementioned general user, flat computer and personal navigation apparatus are to describe in the mode of limiting examples.
Server comprises the partner list of being made up of a plurality of partners 13 11.As hereinafter will describing in detail, described partner can optionally organize by any one or both in sign and the geographic position and discern.Server can be the server of special-purpose or non-special use.Server can be a free-standing server or than the part of macroreticular.Can realize by the known mode of those skilled in the art with communicating by letter of server.The present invention is not subjected to the restriction of client-server structure and client or type of server.
Because partner list can be filled by the partner in the certain radius that belongs to the requesting party, so server can be kept the master list of available partner and current location thereof.Therefore, as hereinafter describing in detail, the user is when may be required to allow to announce its current location when buddy system is registered.In addition, server further comprises the processing member, and it can be used for calculating the current request location, uses specific geographical radius to current location, and selects the partner's (also can use other standard) in the described radius from possible partner.
Fig. 2 a describes process flow diagram to Fig. 2 c, and described process flow diagram describes to be used for realizing the method for buddy system of the present invention on navigational system.The method of being described is emphasized to comprise mutual between device and the user and realize the selection of user to particular functionality.The invention is not restricted to the specific order of describing.To discuss described method with respect to should be used on personal navigation apparatus (PND), and should be appreciated that method of the present invention can be applicable to any client.Hereinafter will discuss method step with screenshotss, described screenshotss describe to be used to realize the icon of the method step discussed.
Top menu can comprise ground depicted in figure 1 Figure 19.Knock map or otherwise interact and to cause occurring master menu with PND.Buddy system of the present invention can be the part of the typical functionality that provides of navigation software, described functionally occur as one of many main menu icon.Perhaps, buddy system can be the spare system that provides except main functionality.This is provided by assignee Tom Tom, and name is called " PLUS ".
Part as PND---buddy system is at first via the main menu icon of describing among Fig. 3 for example and when becoming showy.Fig. 3 describes the highest level icon 300 to the customer presentation companion feature.Functional can be a part that is used for the navigation software bag of navigational system, or by the Add-ons of enhanced form to existing bag.Activate icon 300 and can cause occurring buddy system menu.Activating also can be corresponding to the beginning 20 of Fig. 2 a to the process flow diagram of Fig. 2 c.
In first step 22, before showing buddy system menu or meanwhile, send buddy list request to server by PND.
Partner list comprises the grouping to navigation device users, and described grouping is based on the relation that is pre-existing in that is provided with by the user.Partner list comprises user's user's name and/or current geographic position.Hereinafter set forth describing to partner list.Partner list is kept by central server, and periodic refresh.As hereinafter describing in detail, the user optionally refreshes the partner list of being downloaded of preserving on its PND.Propose as mentioned, partner's different classes of or grouping can based on user's relation (for example, household, occupation etc.) or at random (for example, any other buddy system user).Partner list can further be subjected to the restriction in geographic position, for example with respect to the selected radius of current or select location.
In step 24, server is sent to PND with the partner list of being asked.
In step 26, PND creates the shadow shield/Work List of partner list.
In step 28, the request of server registers client.Above step can take place under the situation that the user does not directly know automatically.
Below the inquiry be depicted as two buddy system menu first in icon.Specific pictorial depiction and corresponding text can change with application, and in the drawings just as an example icon describe.Describe first buddy system menu 400 in Fig. 4, described menu comprises a plurality of icons corresponding to the inquiry of hereinafter discussing in conjunction with process flow diagram.
Get back to Fig. 2 a, in step 30, whether the inquiry user comprises its title and geographic position in other partner list on being stored in server, and perhaps whether the user wishes to keep anonymous.The icon 440 of Fig. 4 is corresponding to this inquiry.If the user wishes to keep anonymous (32), then it will close its device In the view of other users.Can further cause icon 440 to change, and then the indication user is hiding its identity and position.This icon can comprise the fork of describing among Fig. 4 that passes icon.Realize user's unavailability by to the server transmission state/unavailable message being set from user PND.The result that appropriate location reason server returns.
If user decision comprises its title (34) in tabulation, then will be in step 36 update stored in suitable partner list on the server with user's information.To realize this operation by to the server transmission state/available message being set from user PND.The result that processing server returns as hereinafter will describing in detail.After this, will be to first buddy system menu 400 of user's displayed map 4.
In addition to the foregoing, can inquire the user whether it wishes to adopt special title, will use described special title to replace general device identification.Select if make this, then server will be stored the title that individual subscriber is selected.In addition, if from server requests to partner list be empty, then " hide your position " icon (seeing below) is with deepening.
According to first buddy system menu, present additional option to the user, wherein comprise: guiding journey 38 (icon 432), the position (icon 434) that shows the partner on ground Figure 40, present renewal (partner list) 42 (icon 436), the new partner of invitation add partner list 44 (icon 438), advance to second menu 46 (icon 438) and finish 48 (icons 440).First buddy system menu 400 can comprise the information of other demonstration, the indication 446 that wherein comprises the current time 442, when carried out the indication 444 of last renewal and shown which person in two buddy system menu.
Get back to Fig. 2 a,, then provide the guiding journey 52 of buddy system to PND user if selected " guiding journey " option (38) 50.The guiding journey can comprise the multimedia journey, wherein comprises vision and language feedback to the user.Journey can further be indicative and interactivity.Be used to implement and realize guiding the software of journey to be stored in navigational system in this locality, perhaps remote storage is downloaded on server etc. and in user and its interaction the time.The details of journey is a design problem.
Can carry out or select inquiring and/or option via the example of pushing the button on the PND display.Other user's input link comprises voice activation, button etc.
Get back to Fig. 2 a, if selected " showing the partner " option (40) 54, then map view (500, Fig. 5) 55 on the display of PND, definite current location (server is known) is wherein emphasized to show with mark in the position of map depiction particular buddy of being paid close attention to of indication on it.Additional step can be to notify shown buddy subscriber to ask to obtain its position.For instance, on the PND of Fig. 1, describe map.
Fig. 5 describes the exemplary map view 500 in Amsterdam, describes the particular buddy of being paid close attention to (502) 504 on described map view.Map view comprises that other is functional, wherein comprises: seek 504, option 506 and finish 508; Hereinafter will discuss it in more detail.
Get back to Fig. 2 a, (icon 436 Fig. 4) in fact comprises two options to " upgrading now " option 42: " upgrading now " option and " upgrading or upgrade the partner " option.Perhaps, can present " upgrading the partner " option (the same) by single inquiry or icon with the situation in the step 74.When having selected " now upgrade " option (42) 56 or " upgrading the partner " option (74) 58 respectively, come request server to upgrade identity and position 60 and 62 of the personnel on the received partner list respectively by refresh message.Hereinafter incite somebody to action discourse process 62 in more detail.The result that processing server returns, and on user's PND display, present first menu screen or partner list to the user.According to " upgrading now " option 42, the current state of all partners on the server retrieves partner list and the up-to-date geographic position of knowing (but when time spent).
Fig. 6 describes typical partner list 600.As depicted, partner list comprises a plurality of partners 602 by e-mail address 604 and buddy icon 606 identifications.Further, can discern each partner by special icon with particular importance for the present invention.In Fig. 7, describe different buddy icon.Partner list 600 further comprises time indication 608, title 610 and three options: seek 612, upgrade 614 and cancel 616.According to " searching " option 612, present the interface to locate particular buddy via function of search to the user from partner list, described function of search is known in this technology.In a single day update functions 614 is activated and just uses the available current information about the partner to upgrade partner list, and described information source is in user's PND or server.Cancellation function 616 is closed partner list, and the user is brought back to the master menu of first buddy system menu or PND.
Each describes a buddy icon to Fig. 7 a to Fig. 7 e.Described icon can be a coloud coding, so that easier identification.It is available that first buddy icon 702 is used to refer to corresponding partner, and its position is current." current " means described position elapsed time less than 15 minutes.Perhaps, can use current definition At All Other Times.Because this partner is current and available, thus can on map, see its position (for example 502, Fig. 5).
Though it is out-of-date that second buddy icon 704 is used to refer to corresponding partner's position, described partner is available.In other words, this partner's position before had been known, but had after this become inefficacy.The position institute elapsed time that lost efficacy can be 15 minutes to 60 minutes.Perhaps, can use definition At All Other Times.Still can on map, describe this partner.
Though the 3rd buddy icon 706 is used to refer to partner's the position elapsed time and grows (promptly above 60 minutes), described partner is available.Same herein, the described time can become with application.Still can on map, describe this partner.
It is unavailable that the 4th buddy icon 708 is used to refer to the partner, and server is just being waited for for inviting described partner to add the answer of partner list.This partner does not respond to the invitation that becomes the partner as yet.Therefore, this partner or potential partner only just can see on partner list.
It is unavailable that the 5th buddy icon 710 is used to refer to the partner, and partner's position can't determine, because the partner has refused to become partner's invitation.In addition, the partner may delete described user from its partner list.
Server can be from database retrieval information, and the maintenance of described database can be undertaken by program known in server and even this technology.Further for " upgrade partner " option 74, cause particular buddy of server active request to return its current geographic position via pushing channel etc.Below be based on the partner's who is paid close attention to state alternately and take place.Upgrade also and can take place from buddy list screen option 614.
If buddy state is " unavailable/the unknown ", so can be along following alignment user display message: Tom Tom partner,<title〉be not PLUS user---PLUS is can be for the enhanced service of using from assignee Tom Tom's of the application's case navigational system, and described service comprises buddy system of the present invention.Can use other Languages to represent that the partner who is asked is not the member of buddy system.
If buddy state is " unavailable/as to delete " (that is, the partner deletes the user from partner list), so can be along following alignment user display message: " Tom Tom partner,<title〉you are deleted from its partner list ".
If buddy state is originally " unavailable/as to invite ", and be now " available " (promptly, the partner has accepted the user allows it become partner's invitation), so along following alignment user display message: Tom Tom partner,<title〉agreed to become your partner.
If buddy state is originally " unavailable/as to invite ", and be now " unavailable/as to refuse " (promptly, partner's refusing user's allows it become partner's invitation), so along following alignment user display message: Tom Tom partner,<title〉refused to become your partner.
If buddy state is " inviting/reply invitation " (that is, the partner has invited the user to become the partner), present following text message to the user so: Tom Tom partner,<title〉invited you to become the partner.Further present and be used to the pair of buttons accepting or refuse to invite to the user.If the user has selected acceptance, then send " reply and invite/accept " message to server.If user's refusal then sends " reply and invite/refuse " message to server.
At the server place, in response to " reply invite/accept " message: the state of accepting the partner in invited party partner's partner list changes over " available " from " unavailable/as to invite "; The state of inviting the partner to enter reciever partner's partner list is changed over " available " (being originally " inviting/reply invitation "); Message---the state that will refuse the partner in invited party partner's partner list changes over " unavailable/as to refuse " in response " answer invite/is refused "; The invited party user is deleted from the side of refusal partner's partner list; And upgrade local partner list.
Upgrading partner list can carry out on the time delay that the user is provided with automatically.This can manually be provided with when changing buddy preferences 64 by the user.If carried out 66, then present the renewal screen of describing among Fig. 8 800 to the user.According to Fig. 8, present text 802 to the user, its indication automatic partner list update pattern and check box 801, when carrying out automatically more new model with check box 801 final elections.In addition, upgrade screen 800 and comprise time indication 804 and title 806.Further present the option (finishing 808) of end functions to the user, it brings back to first buddy system menu with the user.If the final election check box 801, then show that to the user second upgrades screen, described second screen comprises algebraic compiler 900 (Fig. 9), its be convenient to the user import between the renewal in minute seclected time postpone 907.Editing machine 900 further comprises: return function 902; Cancellation function 904, it brings back to first buddy system menu with the user; With finish function 906, it brings back to first with the user and upgrades screen.The same with the first renewal screen, second upgrades screen comprises time indication 908 and title 910.
Get back to Fig. 2 a, if selected " inviting new partner " option (44) 58, then User Recognition particular buddy, and request server is added the partner who is discerned in the partner list of user's appointment 62.In order to realize identification to the new partner of partner list, present standard alphabet editor screen 1000 to the user, Figure 10 comprises alphabetic character and cancellation option one 010 and finishes option one 012.Can discern new partner by e-mail address 1014 or other identifier.In order to carry out interpolation, send invitation message by user PND to server, and the result that server returns is handled.After this, show the partner or first menu once more.The same with above screen, alphabet editor screen comprises clock 1016 and title 1018.
At server side, make whether the user exists and otherwise available or known determining.If state of user is available, then invite step to add the user to partner list by inviting/replying.To the described invitation of set partner notification, described message informing can or can comprise the text of writing in advance that can obtain and send automatically as the part of this step from storer by user individual by message informing.If the partner is unknown, then buddy state becomes " unavailable/the unknown ", and to this situation of user notification.If the user is unavailable, then buddy state becomes " unavailable/as to invite ", and to this situation of user notification.If the partner can use, then buddy state becomes " available ".
Server can further be got in touch the partner who is discerned, and to its inquiry its (having or do not have current location) is added to the permission of the partner list of user's appointment.Perhaps, can discern not having under the situation of partner's affirmation or input and carry out abovementioned steps.
Get back to Fig. 2 a, if further for option 48, the user selects to withdraw from buddy system 66, and then the user withdraws from buddy system 68, and gets back to map view or the master menu of its PND.
If selected to advance to next menu (40) 62, then will replace first menu with second menu, described second menu presents the option with following additional option.The same with first menu, can on a screen, present each in second menu queries simultaneously.Can present the inquiry of substitution number purpose according to programming, screen size etc.The present invention is not subjected to the limited in number of any graphic user interface inquiry that once presents on any one screen.
If further for option 46, the user selects to advance to next buddy system menu 70, second buddy system menu of describing so 1100 in the user presents as Figure 11.Figure 11 comprise with Fig. 2 a in the relevant a series of icons of method step of setting forth.
Get back to Fig. 2 a, present a series of inquiries or option (via the icon of second buddy system menu 1100), wherein comprise: send message 78 (icon 1102) to the partner to the user; Change buddy preferences 64 (icon 1110); Deletion partner 72 (icon 1104); Upgrade partner 74 (icon 1108); With read message 76 (icon 1106).Further provide and advance to the option that returns last menu 80 (icon 1112) and finish 81 (icons 1114) to the user.
If selected " sending message " option (78) 82, show to the user then to send message sub-screen/menu screen 1200 that described screen is described and process continues 84 in Fig. 2 b in Figure 12 to the partner to the partner.Present some options or inquiry to the user, wherein comprise: send message 88 (icon 1204) to the partner; Send position 90 (icon 1202) to the partner; Send your position 92 (icon 1206) to the partner; With finish 86 (icons 1208).
If selected to the partner send message 88 (icon 1204, Figure 12) 98, then user's PND is to selected partner's 104 message transfers.Described message can comprise the combination of text, voice, image, above content etc., and can be via server or transmission on a 50-50 basis.Described message can further be to be stored in the server and the message of storing in advance of transmission when being used in the user and ask on PND.Hereinafter set forth the details that generally exchanges messages.
If selected " sending the position " option 90 to the partner, the geographic position 106 selected of partner's transmission user of paying close attention to along the alignment identical then with above message.In Figure 13, describe example message 1300.Described message comprises the text of the GPS position 1304 of selected geographic position 1302 of identification and described position.Described message further comprises two options, promptly advances to the main map or the master menu 1308 that navigate to menu 1306 and turn back to PND.Described message can further comprise time 1310 and title, and title has the indication 1312 to sender and telephone number thereof.
The partner must have " available " state, and the partner list that therefore can be used as the transmission object of message can be defined in advance by PND and have only those to have the partner of upstate.Can show to send location screen that send location screen to the partner and comprise the GPS icon, it is convenient to determine the position further combined with this option to the partner to the user.Select the GPS icon can the extraction location menu screen, can be by its selection or input position otherwise.A kind of possible position is user's a current location.In case select and imported the position by the user, just send " transmission position " message to server.Described message can comprise predetermined explanatory text or personalized text.The result that server is returned handles, and shows first menu to the user.
After the guider place the partner receives, the geographic position of being transmitted can be shown on map as text and/or as the position.Can create geographic position or address that the user selects in the following manner: from shown alphabet, squeeze into alphabetic character; On shown map, indicate described position with touch manner, perhaps use other input mode.This can accord with via the choice of location in the text message and providing.Convert the position of input now to message and via server or directly be transferred to partner's navigational system.
If the user has selected to send current location 94 to the partner according to step 92, then send request 108 to server to partner's current location from PND.Server then location (may be available according to the partner list after refreshing corresponding to partner's current location, perhaps can be automatically or the permission by the partner obtain) record, and transmit described position to PND, described PND again with the position as text or be marked on the map and show.Set forth the example of the map of describing the partner among Fig. 5.
If selected cancellation option (86) 100, then described method is advanced and 102 is got back to last menu.Perhaps, described method can advance to end.
Get back to Fig. 2 a, if selected " change buddy preferences " option 64 (icon 1110, Figure 11) 110, then change buddy preferences screen (above discuss) and drawn and be presented on user's the PND display 84.According to this screen, provide selecting to upgrade automatically option to the user from the partner list of server, described renewal comprises current partner's (that is the current partner who has activated its guider and agreed to become the part of partner list) title and the current partner's current location that obtains from partner's navigational system once more as mentioned above.Automatic renewal buddy list screen according to extra presents the option that every some minutes optionally upgrades partner list to the user, and some minutes can be 1 minute to 99 minutes.For the ease of input interval update time, present a series of digital 1 to 9 together with the option (as hereinafter describing in detail) of cancelling, finish and get back to last menu to the user.According to renewal, the PND that makes the user is transmitted to server for being included in the suitable partner list with user's current sign and geographic position to partner list.
If selected " deletion partner " option 72 (icon 1104), then presented the text that deletion is confirmed in request to the user.Content of text can be " you determine to want deletion<title 〉? "Can use other text by design alternative.The selection option that further presents "Yes" and "No" to the user.This option can be button, icon, voice activation member etc.If the user has selected "Yes", then with partner's deletion from local partner list (on user PND or remote storage), send " deletion partner " message, and the result that server returns is handled to server.At the server place, from user's partner list, remove the partner who intends deletion, the partner's that deleted state is arranged to " unavailable/as to delete ", and on user's PND display, shows partner list to it.Equally, the user is subordinated in partner's the partner list of present deletion and deletes.
If selected " renewal buddy location " option 74 (icon 1108) 58, then all partners with " available " state are determined and send to server by user's PND that " obtaining the position " message---described position is available partner's position 62.The result that server is returned handles, and shows first or buddy menu to the user.At the server place, if the set partner's that the position just is being updated state is " available ", message sends to set partner (for example, via " propelling movement ") then will " to provide the position ", and described partner returns its current location.Buddy location on the further update service device.
If the user selects to read message 118 according to " reading message " option 76 (icon 1106), then present text message 120 to the user.Text message 120 can comprise user's position and sign, as hereinafter describing in detail with respect to Figure 13.According to message shown in step 120, present the additional options step of setting forth by the process flow diagram of Fig. 2 c 122 to the user.
As describing among Figure 13, message 1300 comprises position 1302 and buddy identification 1304, and it presents as text herein.Other message format that can use the those skilled in the art to expect wherein comprises picture, sound and other medium.Message 1300 further comprises the indication 1310 to the sender that wherein shows.The sender can discern by title and telephone number.As depicted, message 1300 is John (1310) transmission of+31653354300 by telephone number.Also can show the current time (1312).To definitely presenting of sender information and time be the problem of design alternative.Perhaps, can in message, show and wherein comprise other relevant information: current date, personalized sender identification etc.
According to message 1300, present the option one 306 that withdraws from message (finishing) to the user, described option such as selectedly then can withdraw from buddy system functionality, and turn back to main map and show or other high-level demonstration.According to message 1300, present option one 308 to the user, described option then can be drawn the navascreen menu of describing among Figure 14 1400 as being activated, and it is corresponding to the process flow diagram of Fig. 2 c.
Get back to Fig. 2 c, present some options to the user, that is: navigate to herein 126 (icon 1402, Figure 14), on map, show 128 (icon 1404, Figure 14), be added to collection 130 (icon 1406, Figure 14) and cancellation 124 (icon 1410, Figure 14).Aforementioned options is in conjunction with having of buddy address operated.
If the user has further selected cancellation 138 for cancellation option one 24, then described method goes back to 140 to second buddy system menu, has described the screenshotss of this menu among Figure 12.
If selected " navigating to herein " option one 26 (icon 1402, Figure 14) 136, then user's PND navigates to specific geographic position 132 with realization.At first, will with regard to specific time of arrival step to the user inquire 148 (1500, Figure 15).If the user selected specific time of arrival (1502, Figure 15) 166, then go out a route to buddy location by the PND computed in software, described route will be implemented in the required time place of user and arrive.Equally, if user non-selected any specific time of arrival 168 (1504), then with calculating optimum route 156.Described realization can be carried out in the following manner: determine the best route from user's current location to specific geographic position, it can be by for example carrying out from patent assignee Tom Tom's suitable navigation softwares such as NAVCORE software.The PND that best route can be presented at the user goes up and is aided with voice command etc.
If the user selected on map to show buddy location 134 according to inquiry 128, on buddy location that PND is deciphered to have received according to previous inquiry and the map that its demonstration (step 144) is described in Fig. 5.Before showing, confirm that the state for the partner who shows is " available ".If " available " then obtained buddy information, and it is presented on the PND from the tabulation of this locality.Described demonstration can comprise the special icon 502 (Fig. 5) that is used to emphasize.By selecting icon 508 to present the option that turns back to main map demonstration or master menu to the user.Can calculate route by activate seeking icon 504 from user's current location to the partner.Equally, can enter aforementioned navigation menu options step 122 (Fig. 2 c) by activating icon 506.
If the user has selected to add buddy location to its collection 132 according to option one 30, then make PND according to describing among Figure 10 and alphabet editor screen discussed above stores in the storer ad-hoc location into 146 via the clauses and subclauses of buddy identification.If there have been described clauses and subclauses in the favorites list, then will provide the option of replacing existing clauses and subclauses to the user, describe (inquiry 150, Fig. 2 c) as the screenshotss among Figure 16 1600.These a little message can be the message of flashing.Screenshotss 1600 comprise "Yes" option one 602 and "No" option one 604.Selected to replace the user under the situation of (154, Fig. 2 c), in favorites list, replaced the previous clauses and subclauses (156, Fig. 2 c) of same position with reposition.If the user has selected not replace (158, Fig. 2 c), then step finishes and presents screen 1700 (152, Fig. 2 c) to the user, thereby provides the option of current location being arranged to homing position to it.Screen 1700 comprises "Yes" option one 702 and "No" option one 704.If selected "Yes" option one 702 (160, Fig. 2 c), then make PND current homing position be changed over the position of on screen 1700, describing (162, Fig. 2 c).If the user has selected not replace current homing position (164, Fig. 2 c), then the user is brought back to the navascreen of describing among Figure 12 1200 (140, Fig. 2 c).
(icon 1214 Figure 12) under 138 the situation, is described previous menu 116 or method and is finished having selected cancellation option one 18.
Get back to Fig. 2 a, (1112, Figure 11), then described method goes back to first buddy system menu that (step 102) described in Fig. 4 if the user has selected to advance to previous menu 83 according to option 80.(1114, Figure 11), then described method finishes (step 160) if the user has selected to finish 85 according to option 81.
To discuss the general message with server now, and the data of also the generalised service device being managed.
All message that client sends to server contain following element:
Oneself state: " available " or " unavailable "
If state is " available ", then comprise the current location of self; Otherwise be empty
Server all contains these elements to all responses of the message that client sends:
The tabulation of partner's item
2 communication paths are arranged between the partner.Article one, be partner's client-server messaging protocol, another is a text message transmission.Partner's client-server messaging protocol is for example contained requests such as " adding the partner ", " removing the partner ", " renewal ".The response that receives from server the be user's manual activity result of---choice menus icon---.The server response may cause display notification dialogue on client.The text message transmission covers ordinary text, it can contain the position that application program picks out.If these text messages are to receive on the device that it is not carried out correct interpretation, then these text messages can be read as general text.Can manually key in message.Described message is as SMS, server message or buddy message origin and not serious.The visual notification of indication is the indication (AFAIK, this is that general transmission of messages is functional) that text message has been arrived.When the user is become the partner by invitation (, when it receives " adding the partner " request), server sends canned text message.