Embodiment
Exemplary embodiment of the present disclosure is described below with reference to accompanying drawings in more detail.Although shown exemplary embodiment of the present disclosure in accompanying drawing, yet should be appreciated that and to realize the disclosure and the embodiment that should do not set forth limits here with various forms.On the contrary, it is in order to understand the disclosure more thoroughly that these embodiment are provided, and can with the scope of the present disclosure complete convey to those skilled in the art.
The operating system of current electronic equipment all can on the table or be listed all application programs that can carry out in electronic equipment in the application list.A lot of desktop management application programs all provide folder function to facilitate the user that the application program in electronic equipment is sorted out.
Might be when mounted as the desktop management application program, user's electronic equipment has comprised a large amount of application programs, need so the management function of being not only the desktop management application program of study for the user, also comprise the information such as the arranging rule of other application program in the desktop management application program, placement rule.If the user need to manually carry out the taxonomic revision of application program, need to expend more time and efforts, the class indication symbol that uses such as thinking and use that what file application programs are classified etc.For this reason, in an embodiment of the present invention, by obtaining the program identifier of application program to be sorted on electronic equipment, then obtain corresponding class indication symbol according to the program identifier coupling of obtaining, again according to the class indication that obtains symbol, the icon of application program to be sorted is stored in the file corresponding with the class indication symbol into the processing of can quickly and accurately the application program on electronic equipment being classified thus, improve classification effectiveness, also improved user's experience simultaneously.
The process flow diagram of the application program sorting technique 100 that illustrates according to an embodiment of the invention, is suitable for addressing the above problem below in conjunction with Fig. 1.The below introduces embodiments of the invention take the operating system of electronic equipment as Android (Android) operating system as example.what certainly can understand is, embodiments of the invention also can be applicable to iOS operating system (operating system of the electronic equipment of Apple's exploitation), the operating system of the electronic equipment of Symbian OS(Nokia), the operating system of the electronic equipment of Windows Phone OS(Microsoft) and BlackBerry OS(Research In Motion be the operating system of its electronic equipment exploitation) etc. in operating system, be applied in the aforesaid operations system application program classification treatment scheme be applied in Android operating system similar, therefore no longer apply at this and state.
As shown in Figure 1, start from step S105 according to the method 100 of the embodiment of the present invention, subsequently, in step S110, obtain the program identifier of application program to be sorted on electronic equipment.Alternatively, this program identifier is used for the relevant information of expression application program, and such as the title of application program, the relevant informations such as bag name of application program installation kit, wherein, the bag name of application program installation kit is used for the title of expression application program installation kit.Take application program as " google+ " as example, the Bao Mingke of " google+ " installation kit is expressed as: com.google.android.apps.plus.What certainly can understand is, in an embodiment of the present invention the form of expression of the bag name of defining application installation kit not.
According to one embodiment of present invention, in step S110, at first obtain the bag name of the application program installation kit corresponding with application program to be sorted on electronic equipment, then according to the bag name of application program installation kit, obtain the program identifier corresponding with the bag name of application program installation kit.
Alternatively, the bag name of all application program installation kits of installing in the operating system by the package manager in the operating system of electronic equipment (Package Manager) read electric equipment, reading of bag name can realize by following code:
Final Package Manager package Manager=context.getPackageManager (); // based on contextual information is obtained package manager
Final Intent mainlntent=new Intent (Intent.ACTION_MAIN.null); Query interface of // statement
Mainltent.addCategory (Intent.CATEGORY_LAUNCHER); // the needed classified information of Query Result is set
List<ResolveInfo〉apps=packageManager.queryIntentActivites (mainIntent, 0); // inquire the bag name of application program installation kit from package manager
Then, according to the bag name of application program installation kit, coupling obtains the program identifier corresponding with the bag name of application program installation kit.Alternatively, utilize the bag name of hash algorithm application programs installation kit to calculate, can obtain the program identifier corresponding with the bag name of application program installation kit.Hash algorithm can be mapped as the binary value of random length the less binary value of regular length, and this binary value can be described as cryptographic hash.For example: can adopt FNV1 algorithm (the FNV1 algorithm can calculate shorter hashed value quickly by simple multiplication and XOR, and colliding data is controlled within the acceptable range) the calculation procedure identifier in hash algorithm.
Can store 4294967295 data on the FNV1 theory of algorithm.According to the result of reality test, the hashed value outcome conflict of 100000 test datas is between 2 ~ 5.The program identifier that adopts the FNV1 algorithm to obtain can significantly reduce the size of data of program identifier.The code of FNV1 algorithm is as follows:
By FNV1 algorithm defined above, the bag name " com.google.android.apps.plus " of installation kit can be imported in above-mentioned FNV1 algorithmic function as parameter, can calculate hexadecimal program identifier " 0E4C17F0 ".Certainly, the present invention is not subject to the FNV1 algorithm, and all can calculate the algorithm of program identifier all within protection scope of the present invention according to the bag name of installation kit.
In step S120, according to the corresponding relation of the class indication of program identifier and application program symbol, coupling obtains the class indication symbol corresponding with the program identifier that obtains.
According to one embodiment of present invention, the corresponding relation of the class indication of program identifier and application program symbol can adopt following dual mode setting:
Mode one, the corresponding relation with the class indication of program identifier and application program symbol stores in the operating system of electronic equipment in advance, for example stores in the sort file of operating system.
Mode two, electronic equipment regularly obtain the corresponding relation of the class indication symbol of up-to-date program identifier and application program from server end, then be stored in the sort file of operating system of electronic equipment.For example, electronic equipment is regularly by HTTP(HTTP-Hypertext Transfer Protocol, HTTP) request send obtain corresponding relation request message to server, the corresponding relation that accords with the class indication that obtains up-to-date program identifier on server and application program.Alternatively, in order to reduce the size of sort file, the corresponding relation of the class indication symbol of program identifier and application program is preserved with binary form.
In certain embodiments, class indication is for representing corresponding systematic name, and wherein systematic name comprises: common tool, system tool, system applies, equipment optimization, chat tool, Internet access, multimedia tool, wallpaper-theme, convenient life and office-commercial affairs etc.In certain embodiments, class indication symbol can adopt numeral, and for example corresponding class indication symbol, " 4 " expression of class indication symbol corresponding to " 1 " expression class indication symbol corresponding with classification " equipment optimization " by name, " 2 " expression and classification " chat tool " by name, " 3 " expression and classification " system tool " by name and classifying is called that class indication corresponding to " common tool " accords with, " 5 " represent and classifies and be called class indication corresponding to " system applies " and accord with.What certainly can understand is not limit in an embodiment of the present invention the form of expression of above-mentioned class indication symbol.
With regard to the application program " google+ " of giving an example above, the corresponding relation of the class indication symbol of program identifier and application program can be stored in sort file by binary form, for example can adopt following data layout " 0E4C17F; 2 " above-mentioned corresponding relation is stored in sort file, wherein the bag of " 0E4C17F " expression installation kit is called " com.google.android.apps.plus ", the application program that this installation kit is corresponding is " google+ ", the classification of " 2 " expression application programs " google+ " " chat tool " by name.
In above-mentioned steps, in step S110, obtain the program identifier " 0E4C17F " of application program " google+ ", then in step S120, according to the program identifier that obtains " 0E4C17F ", mate at the sort file that stores corresponding relation, can match the class indication symbol " 2 " corresponding with program identifier " 0E4C17F ".
Subsequently, in step S130, the icon of application program to be sorted is stored in the file corresponding with the class indication symbol.
Namely, by step S130, the icon of the application program of the same class indication symbol of correspondence is stored in the same file folder, when for example this icon can refer on electronic equipment set up applications, automatic generate, corresponding with this application program icon on the display screen of electronic equipment, the user can be by clicking this icon to trigger the startup of the application program corresponding with this icon.
Referring to Fig. 2, can comprise following concrete steps in step S130, in step S1304, file corresponding to newly-built at least one class indication symbol that obtains with coupling.Alternatively, the title of newly-built file is set to systematic name corresponding to class indication symbol.
Subsequently, in step S1306, with the icon of application program to be sorted, add in the file corresponding with the class indication symbol of this application program.For example, can first delete the icon of the application program to be sorted on the display screen of electronic equipment, then the icon with application program to be sorted adds in the file corresponding with the class indication symbol of this application program.
After understanding this sort operation for the ease of the user, the quantity of all application programs in the quantity of newly-increased application program or file in each file.Subsequently, in step S1308, the designator of the number icon of newly-increased icon in the peripheral display file folder of file, or the designator of all icons that comprise in the peripheral display file folder of file.For example show in the upper right side of file.In certain embodiments, the designator of newly-increased icon can obtain in the following manner: the quantity of icon in file after the quantity of icon original in file and sort operation is compared, can obtain the quantity (for example quantity is 2) of newly-increased icon, the quantity that then will increase icon newly is presented at the periphery of file with the form of the designator (referring to the designator 306 in Fig. 3) of newly-increased icon.In certain embodiments, the designator of all icons can obtain in the following manner: the quantity (for example quantity is 6) of all icons in file after statistical classification operation is presented at the periphery of file with the quantity of all icons with the form of the designator of all icons.
In certain embodiments, before step S1304, also comprise step S1301 and step S1302.In step S1301, judge whether to exist the file corresponding with mating the class indication symbol that obtains.Namely, obtain the folder name of All Files folder on the desktop of display screen of electronic equipment, whether the folder name that judgement is obtained is identical with the class indication symbol that coupling obtains.If identical, in step S1302, the corresponding icon of application program to be sorted is added in the file corresponding with the class indication symbol; On the contrary, if in step S1301, judgement is not identical, carry out step S1304.
With regard to the application program " google+ " of giving an example above, at first judge whether to have the file corresponding with class indication symbol " 2 ", namely judging whether to exist folder name is the file of " chat tool ".If exist, the corresponding icon of application program " google+ " is added to folder name in the file of " chat tool ".If there is no, newly-built one accords with file corresponding to " 2 " with class indication, the title of this document folder can be set to " chat tool ", then the corresponding icon of application program " google+ " is added to folder name in the file of " chat tool ".
After step S130, can directly enter ending step S165.But, in order further to guarantee the accuracy of classification, can select whether preserve the arrangement result by the user, namely can also carry out step S140 after step S130.In step S140, judge whether to preserve current sort operation.If when judgement is preserved in step S140, enter step S150.In step S150, preserve and come into force for the sort operation of the application program on the display screen of electronic equipment.On the contrary, if judgement is not preserved when arranging as a result in step S140, enter step S160.In step S160, cancel current sort operation, the layout of the application program on the reduction electronic equipment.
Alternatively, for the restorability that guarantees to classify, the arrangement result on the display screen of original electronic equipment (layout of application program and view) can be buffered in the internal memory of electronic equipment, to guarantee speed and the fluency of user's operation.Arrange result if the user has selected to preserve, the modification that the classification of the application program on the display screen of electronic equipment is processed can be preserved and come into force; Otherwise, return to the layout of the application program before sort operation.
Need to prove, method flow illustrated in figures 1 and 2 do not limit by shown in the order of each step carry out, can adjust as required the sequencing of each step, in addition, described step also is not limited to above-mentioned steps and divides, and above-mentioned steps can split into further more that multi-step also can be merged into still less step.
Referring to Fig. 3, after the application program sort operation for electronic equipment in one embodiment of the invention, at the schematic diagram of the arrangement result of the demonstration screen display of electronic equipment.Suppose: the user has installed certain chat tool " application A " 302 on electronic equipment, it is not added into folder name in the file 300 of " chat tool " 304.At this moment, the user can " arrange and use " icon (not shown) by click, to trigger application program sorting technique flow process:
At first, the bag name that all that comprise " application A " 302 is scattered in the installation kit of file outside is calculated, and obtains the program identification (step S110) of each application program; Then, the program identification of each application program of obtaining and the corresponding relation in sort file are mated, can mate the class indication that obtains " application A " 302 this moment and be " 2 ", the namely classification of " application A " 302 is called " chat tool " (step S120).Then " application A " 302 added to folder name and be (step S130) in the file 300 of " chat tool " 304.Particularly, can check in sort operation whether to exist and satisfy pre-conditioned file (pre-conditionedly be: whether the systematic name of file is " chat tool ", perhaps whether the class indication of file is " 2 ") (step S1301), if there is such file 300, " application A " 302 is added in this document folder 300 (step S1302); Otherwise, creating new folder name is the file 300(step S1304 of " chat tool " 304), and " application A " 302 application are added into wherein (step S1036), then the designator 306 of all application programs in the upper right corner of file 300 display file folder 300, " 2 " expression file 300 comprises two application programs (step S1308).Then, show " using this to arrange result " 308 and " recovering former desktop " 310 two options on display interface, select (step S140) for the user.When the user selects " using this to arrange result " 308, the classification results of the application program on the display screen of electronic equipment can be preserved and come into force (step S150); If the user selects " recovering former desktop " 310, return to the layout (step S160) of sort operation application program before.
Fig. 4 shows the structured flowchart of application program sorter 400 in accordance with another embodiment of the present invention, and this electronic equipment comprises: memory module 402, acquisition module 404, matching module 406 and sort module 408, wherein
The corresponding relation of the class indication symbol of memory module 402 storage program identifiers and application program.Wherein,
Program identifier is used for the relevant information of expression application program, and such as the title of application program, the relevant informations such as bag name of application program installation kit, wherein, the bag name of application program installation kit is used for the title of expression application program installation kit." google+ " is example take application program as chat tool, and the Bao Mingke of " google+ " installation kit is expressed as: com.google.android.apps.plus.What certainly can understand is, in an embodiment of the present invention the form of expression of the bag name of defining application installation kit not.
class indication is used for representing corresponding systematic name, wherein systematic name comprises: common tool, system tool, system applies, equipment optimization, chat tool, Internet access, multimedia tool, wallpaper-theme, convenient life and office-commercial affairs etc., the class indication symbol can adopt numeral, the class indication symbol that " 1 " expression is corresponding with classification " equipment optimization " by name, the class indication symbol that " 2 " expression is corresponding with classification " chat tool " by name, the class indication symbol that " 3 " expression is corresponding with classification " system tool " by name, the class indication symbol that " 4 " expression is corresponding with classification " common tool " by name, the class indication symbol that " 5 " expression is corresponding with classification " system applies " by name.What certainly can understand is not limit in an embodiment of the present invention the form of expression of above-mentioned class indication symbol.
According to one embodiment of present invention, the corresponding relation of the class indication of program identifier and application program symbol can adopt following dual mode setting: mode one, the corresponding relation that in advance class indication of program identifier and application program is accorded with store in the memory module 402 of electronic equipment, for example store in the sort file in memory module 402.Mode two, electronic equipment regularly obtain the corresponding relation of the class indication symbol of up-to-date program identifier and application program from server end, then be stored in the sort file in the memory module 402 of electronic equipment.For example, electronic equipment regularly by HTTP ask to send obtain corresponding relation request message to server, the corresponding relation that accords with the class indication that obtains up-to-date program identifier on server and application program.Alternatively, in order to reduce the size of sort file, the corresponding relation of the class indication symbol of program identifier and application program is preserved with binary form.
Acquisition module 404 obtains the program identifier of application program to be sorted on electronic equipment.According to one embodiment of present invention, acquisition module 404 comprises: the first acquiring unit 4042 obtains the bag name of the application program installation kit corresponding with application program to be sorted on electronic equipment; Second acquisition unit 4044 obtains the program identifier corresponding with the bag name of application program installation kit according to the bag name of application program installation kit.Alternatively, second acquisition unit 4044 utilizes the bag name of hash algorithm application programs installation kit to calculate, and obtains the program identifier corresponding with the bag name of application program installation kit.
Matching module 406 is according to the corresponding relation of the class indication symbol of program identifier and application program, and coupling obtains the class indication symbol corresponding with the program identifier that obtains;
Sort module 408 stores the icon of application program to be sorted in the file corresponding with described class indication symbol into.According to one embodiment of present invention, sort module 408 comprises: file setting unit 4082 and taxon 4084, and wherein file setting unit 4082 adapts to file corresponding to newly-built at least one class indication symbol that obtains with coupling; Taxon 4084 adapts to the icon with application program to be sorted, adds in the file corresponding with the class indication symbol.Alternatively, sort module 408 also comprises: judging unit 4086 judges whether to exist the file corresponding with mating the class indication symbol that obtains, if there is corresponding file, triggers taxon 4084 the corresponding icon of application program to be sorted is added in the file corresponding with the class indication symbol; If there is not corresponding file, trigger file setting unit 4082 newly-built at least one accord with corresponding file with class indication that coupling obtains.Alternatively, sort module 408 also comprises: display unit 4088 adapts to the designator of the number icon of newly-increased icon in the peripheral display file folder of file, or the designator of all icons that comprise in the peripheral display file folder of file.
Continuation is referring to Fig. 4, and device 400 also comprises: judge module 410, preservation module 412 and recovery module 414, and wherein judge module 410 judges whether to preserve current sort operation; Preserve module 412 when judge module 410 judgements are preserved, preserve and come into force for the sort operation of the application program on the display screen of electronic equipment; When recovery module 414 is not preserved in judge module 410 judgements, cancel current sort operation, preserve and come into force for the sort operation of the application program on the display screen of electronic equipment.
With regard to the application program " google+ " of giving an example above, acquisition module 404 calculates according to the bag name " com.google.android.apps.plus " of the installation kit of application program " google+ ", the program identifier " 0E4C17F " of the program that is applied " google+ "; Matching module 406 is according to the program identifier " 0E4C17F " that obtains, and the corresponding relation " 0E4C17F; 2 of storage in memory module 402 " the class indication symbol that can mate the program of being applied " google+ " is " 2 ", and the namely classification of application program " google+ " is called " chat tool ".Then add application program " google+ " to folder name in the file of " chat tool " by sort module 408.Then, show " using this to arrange result " and " recovering former desktop " two options on display interface, supply the user to select, when judge module 410 judgements are preserved, preserve module 412 and preserve the arrangement result; When judge module 410 judgements were not preserved, recovery module 414 was cancelled current sort operation, the layout of application program on the reduction electronic equipment.
Application according to the present invention class of procedures mode, corresponding relation by the program identifier of application program and the program identifier of presetting and class indication symbol, can classify to the application program on electronic equipment rapidly and exactly, exist in the identical file folder by the icon with the same class application program, make the user to arrive application program by fast finding, solved thus manual application programs classify can be more loaded down with trivial details problem, can present more friendly user interface.
According to the embodiment of the present invention on the other hand, also provide a kind of electronic equipment, comprised application program sorter as above, concrete structure can be referring to Fig. 4.This electronic equipment can be mobile phone, panel computer or personal computer etc.
In certain embodiments, this electronic equipment also can comprise storer (it can comprise one or more computer-readable recording mediums), Memory Controller, one or more processing units (CPU), Peripheral Interface, the RF circuit, voicefrequency circuit, loudspeaker, microphone, I/O (I/O) subsystem, other inputs can be controlled electronic equipment, and outside port.Electronic equipment can comprise one or more optical sensors, and these parts can be communicated by letter by one or more communication buss or signal wire.
Should be appreciated that electronic equipment is only an example of portable multifunction device, and electronic equipment can have than shown more or less parts, can make up two or more parts, perhaps can have different component configuration or setting.
Storer can comprise high-speed random access memory, and can comprise nonvolatile memory, for example one or more disk memory, flush memory device or other nonvolatile memories.The miscellaneous part such as CPU and Peripheral Interface of electronic equipment can be controlled by Memory Controller the access of storer.
Peripheral Interface is couple to CPU and storer with the input and output peripheral hardware of electronic equipment.One or more processor operations or execution are stored in various software programs and/or the instruction set in storer, to realize various functions and the deal with data of electronic equipment.
In certain embodiments, Peripheral Interface, CPU and Memory Controller can be realized on the one single chip such as chip.In some other embodiment, they can be realized on discrete chip.
The RF(radio frequency) circuit receives and sends the RF signal.The RF circuit is converted to electromagnetic signal/electromagnetic signal is converted to electric signal with electric signal, and communicates by this electromagnetic signal and communication network and other communication facilitiess.The RF circuit can comprise the known circuit for these functions of execution, and it includes but not limited to antenna system, RF transceiver, one or more amplifier, tuner, one or more oscillator, digital signal processor, CODEC chipset, Subscriber Identity Module (SIM) card, storer etc.
Voicefrequency circuit, loudspeaker and microphone provide the audio interface between user and electronic equipment.Voicefrequency circuit is converted to electric signal from Peripheral Interface audio reception data with this voice data, and this electric signal is sent to loudspeaker.Loudspeaker is with the audible sound wave of this electric signal conversion behaviour.Voicefrequency circuit also receives the electric signal that microphone comes from the sound wave conversion.Voicefrequency circuit is converted to voice data with electric signal, and this voice data is sent to Peripheral Interface in order to process.Can be by Peripheral Interface from storer and/or RF circuit retrieves voice data and/or voice data is sent to storer and/or RF circuit.
The I/O subsystem is couple to Peripheral Interface with the I/O peripheral hardware on electronic equipment.The I/O subsystem can comprise display controller and be used for other inputs or one or more input control devices of control electronic equipment.One or more input control devices from/to other inputs or control electronic equipment and receive/send electric signal.Other inputs/control electronic equipment can comprise physical button, dial (of a telephone), slide switch, operating rod, click roller etc.In some alternative embodiment, the input control device can be couple to lower any: keyboard, infrared port, USB port and such as the indicating equipment of mouse.
The touch sensitive touch-screen provides input interface and the output interface between electronic equipment and user.Display controller from/receive and/or send electric signal to touch-screen.Touch-screen with visual output display to the user.Visual output can comprise figure, text, icon, video with and combination in any (being referred to as " figure ").
Touch-screen has for contacting based on sense of touch and/or sense of touch touch sensitive surface, sensor or the sensor group of accepting from user's input.Touch-screen and display controller detect the contact on touch-screen, and the contact that will detect is converted to and is presented at the mutual of user interface object on touch-screen.In an example embodiment, touch-screen is corresponding to user's finger with contact point between the user.Also can adopt other display techniques in other embodiments.
Intrinsic not relevant to any certain computer, virtual system or miscellaneous equipment with demonstration at this algorithm that provides.Various general-purpose systems also can with based on using together with this teaching.According to top description, it is apparent constructing the desired structure of this type systematic.In addition, the present invention is not also for any certain programmed language.Should be understood that and to utilize various programming languages to realize content of the present invention described here, and the top description that language-specific is done is in order to disclose preferred forms of the present invention.
In the instructions that provides herein, a large amount of details have been described.Yet, can understand, embodiments of the invention can be in the situation that do not have these details to put into practice.In some instances, be not shown specifically known method, structure and technology, so that not fuzzy understanding of this description.
Similarly, be to be understood that, in order to simplify the disclosure and to help to understand one or more in each inventive aspect, in the description to exemplary embodiment of the present invention, each feature of the present invention is grouped together in single embodiment, figure or the description to it sometimes in the above.Yet the method for the disclosure should be construed to the following intention of reflection: namely the present invention for required protection requires the more feature of feature clearly put down in writing than institute in each claim.Or rather, as following claims reflected, inventive aspect was to be less than all features of the disclosed single embodiment in front.Therefore, follow claims of embodiment and incorporate clearly thus this embodiment into, wherein each claim itself is as independent embodiment of the present invention.
Those skilled in the art are appreciated that and can adaptively change and they are arranged in one or more equipment different from this embodiment the module in the equipment in embodiment.Can be combined into a module or unit or assembly to the module in embodiment or unit or assembly, and can put them into a plurality of submodules or subelement or sub-component in addition.At least some in such feature and/or process or unit are mutually repelling, and can adopt any combination to disclosed all features in this instructions (comprising claim, summary and the accompanying drawing followed) and so all processes or the unit of disclosed any method or equipment make up.Unless clearly statement in addition, in this instructions (comprising claim, summary and the accompanying drawing followed), disclosed each feature can be by providing identical, being equal to or the alternative features of similar purpose replaces.
In addition, those skilled in the art can understand, although embodiment more described herein comprise some feature rather than further feature included in other embodiment, the combination of the feature of different embodiment mean be in scope of the present invention within and form different embodiment.For example, in the following claims, the one of any of embodiment required for protection can be used with array mode arbitrarily.
All parts embodiment of the present invention can realize with hardware, perhaps realizes with the software module of moving on one or more processor, and perhaps the combination with them realizes.It will be understood by those of skill in the art that and to use in practice microprocessor or digital signal processor (DSP) to realize according to some or all some or repertoire of parts in the application program sorter of the embodiment of the present invention.The present invention can also be embodied as be used to part or all equipment or the device program (for example, computer program and computer program) of carrying out method as described herein.The program of the present invention that realizes like this can be stored on computer-readable medium, perhaps can have the form of one or more signal.Such signal can be downloaded from internet website and obtain, and perhaps provides on carrier signal, perhaps provides with any other form.
It should be noted above-described embodiment the present invention will be described rather than limit the invention, and those skilled in the art can design alternative embodiment in the situation that do not break away from the scope of claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and is not listed in element or step in claim.Being positioned at word " " before element or " one " does not get rid of and has a plurality of such elements.The present invention can realize by means of the hardware that includes some different elements and by means of the computing machine of suitably programming.In having enumerated the unit claim of some devices, several in these devices can be to come imbody by same hardware branch.The use of word first, second and C grade does not represent any order.Can be title with these word explanations.