CN102902687B - The access method of resource file and device - Google Patents
The access method of resource file and device Download PDFInfo
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- CN102902687B CN102902687B CN201110211991.4A CN201110211991A CN102902687B CN 102902687 B CN102902687 B CN 102902687B CN 201110211991 A CN201110211991 A CN 201110211991A CN 102902687 B CN102902687 B CN 102902687B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/61—Installation
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Abstract
The invention provides a kind of access method and device of resource file.Method comprises: the filename obtaining resource file to be visited, and reads index area and the file name area of resource APMB package according to the filename of described resource file to be visited, and described resource APMB package comprises index area, file name area and file content district; Obtain the store path of described resource file to be visited in described file content district from described file name area, obtain the offset information of described resource file to be visited from described index area; According to described store path and described offset information, obtain the content of described resource file to be visited in described file content district.Device comprises: read module and processor.
Description
Technical field
The embodiment of the present invention relates to technical field of mobile terminals, particularly relates to a kind of access method and device of resource file.
Background technology
Along with 3G (3
rdgeneration) popularization gradually of network, mobile terminal (as mobile phone) function is more and more abundanter, as multimedia message, multimedia, web page browsing, visual telephone, electronic chart etc.These functions can realize by running corresponding functional module (i.e. application program) on mobile terminals.Wherein, application program can be installed on mobile terminal in the following way: mobile terminal obtains the installation kit of this application program by wired or wireless mode, run the installation kit of this application program on mobile terminals, each file (as picture/audio files etc.) in installation kit is created on the storer of mobile terminal.
In order to use new program on mobile phone, general needs installs the program installation kit being applicable to this mobile phone.User at present generally by copying from computer/install after directly the mode such as cell phone network download obtains program installation kit.Such as to application program application.exe be installed on mobile phone, first installation kit is as shown in Figure 1a obtained, this installation kit is an independent file, this independent file is being installed to after on mobile phone, composition schematic diagram after installation kit decompress(ion) as shown in Figure 1 b, these files comprise the operating file of an application.exe, also comprise multiple resource file.So mobile phone is when running this application program of application, and that can access in above-mentioned multiple resource file is one or more.In corresponding application program operational process, need to access above-mentioned each resource file being created to mobile terminal respectively, carry out the operation of a large amount of File Open/closedowns, affect the travelling speed of application program, expend the electric energy of mobile terminal.
Summary of the invention
The embodiment of the present invention provides a kind of access method and device of resource file, in order to solve the technical matters existed in prior art.
Embodiments provide a kind of access method of resource file, comprising:
Obtain the filename of resource file to be visited, and read index area and the file name area of resource APMB package according to the filename of described resource file to be visited, described resource APMB package comprises index area, file name area and file content district;
Obtain the store path of described resource file to be visited in described file content district from described file name area, obtain the offset information of described resource file to be visited from described index area;
According to described store path and described offset information, obtain the content of described resource file to be visited in described file content district.
The embodiment of the present invention additionally provides a kind of access means of resource file, comprising:
Read module, for obtaining the filename of resource file to be visited, and read index area and the file name area of resource APMB package according to the filename of described resource file to be visited, described resource APMB package comprises index area, file name area and file content district;
Processor, for obtaining the store path of described resource file to be visited in described file content district from described file name area, obtains the offset information of described resource file to be visited from described index area; According to described store path and described offset information, obtain the content of described resource file to be visited in described file content district.
The access method of the resource file of the embodiment of the present invention and device, by whole resource files is made into a resource APMB package, resource APMB package is divided into index area, file name area and file content district, when reading resource APMB package, the resource file to be visited store path in file content district is obtained from file name area according to resource file name to be visited, the offset information of resource file to be visited is obtained from index area, the content of resource file to be visited is obtained in file content district according to store path and offset information, avoid the operation of a large amount of File Open/closedowns, improve the travelling speed of mobile terminal, save the electric energy loss of mobile terminal.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic diagram of installation kit of Fig. 1 a for providing in prior art;
Fig. 1 b is the composition schematic diagram after the installation kit decompress(ion) in Fig. 1 a;
The access method process flow diagram of the resource file that Fig. 2 provides for one embodiment of the invention;
Fig. 3 is the present invention's also access method process flow diagram of resource file of providing of embodiment;
The access method process flow diagram of the resource file that Fig. 4 provides for another embodiment of the present invention;
The access means structural representation of the resource file that Fig. 5 provides for one embodiment of the invention;
The access means structural representation of the resource file that Fig. 6 provides for another embodiment of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The access method process flow diagram of the resource file that Fig. 2 provides for one embodiment of the invention, as shown in Figure 2, the method comprises:
Step 201: the filename obtaining resource file to be visited, read index area and the file name area of resource APMB package according to the filename of the resource file to be visited obtained, this resource APMB package comprises: index area, file name area and file content district.
Wherein, program operationally needs the resource file had access to can be referred to as resource file to be visited, and program is according to the filename access resources file of resource file to be visited.
The resource file comprised in program installation kit of the prior art is resource file scattered one by one, the resource APMB package that the embodiment of the present invention provides is a binary file, index area is included in this binary file, for recording the type of resource file, the side-play amount of the filename of resource file, the length of resource file name, the side-play amount of the file content of resource file in resource APMB package, and the length of the file content of resource file.Index area, for preserving the offset information of all resource files in this resource APMB package, wherein can comprise multiple index structure.Further comprises file name area in this binary file, for recording filename and the store path of resource file in resource APMB package of resource file, multiple filename structure in file name area, can be comprised.This binary file further comprises file content district, for recording the file content of resource file, the file content of each resource file with binary representation, comprising multiple DCA document content architecture.
The store path of above-mentioned resource file in resource APMB package be it should be noted that, this store path is actually a relative path, this relative path can be understood as the path obtaining resource file from resource file place root directory, what this path referred to is not resource file is stored on mobile phone which disk or which sector, and refer to how the root directory at this resource file place from resource APMB package finds the path of resource file, be therefore a relative path.
Step 202: obtain the store path of this resource file to be visited in file content district from file name area, obtain the offset information of this resource file to be visited from index area, obtain the content of resource file to be visited according to store path and offset information in file content district.
Offset information wherein refers to: when obtaining the store path of some resource files in resource APMB package, this resource file is not likely from the first bit data, but there is a side-play amount, only obtain side-play amount, could from the reference position of resource file access resources file.
On the basis of above-mentioned embodiment, this resource APMB package can also comprise: top of file district, for recording the size in above-mentioned index area, file name area and file content district, and side-play amount respective in resource APMB package.Accordingly, can also comprise before step 201: the top of file district of access resources APMB package, obtain index area, the size in file name area and file content district and side-play amount.Further, this file header area can also be used for recording at least one: the sum of resource file in the size of the length of the top of file of resource APMB package, the version of resource APMB package, resource APMB package and resource APMB package.
The present invention as shown in Figure 3 goes back the access method process flow diagram of the resource file that an embodiment provides, on the basis of above-mentioned embodiment, in order to accelerate the store path and the offset information that obtain resource file, the method that the embodiment of the present invention provides can comprise:
Step 300: read the content recorded in index area and file name area in resource APMB package, according to the content recorded in the index area read and file name area, set up the concordance list of resource file, this concordance list comprises the title of resource file in this resource APMB package, size, side-play amount and store path.Wherein, content at least can comprise the length of the file content of side-play amount in resource APMB package of the side-play amount of the resource file name of index area record, the length of resource file name, the file content of resource file and resource file, the resource file name of file name area record and store path.
Step 301: the filename obtaining resource file to be visited, according to the filename of this acquisition, reads concordance list.
Wherein, this concordance list can exist with the form of Hashmap (Hash table).
Step 302: obtain the content of resource file to be visited in file content district according to the store path read in concordance list and offset information.
In the access method embodiment of another resource file of the present invention, the method can also comprise: the open mode keeping resource APMB package, so that this resource APMB package such as the routine access of mobile terminal etc.This step preferably occur in resource APMB package accessed once after.
The access method process flow diagram of the resource file that Fig. 4 provides for another embodiment of the present invention, as shown in Figure 4, the method is described for its resource file of mobile video routine access, how the resource required for it is conducted interviews when the method not only describes the work of mobile video programmatic client on mobile phone, but also handed over the resource APMB package how making mobile video program further, how to make the program installation kit of mobile video program, how mobile video program is installed on mobile phone and how mobile video program has been carried out the method that unloads.Be introduced according to order of occurrence optimum between each part mentioned above below, but not in order to limit the scope of protection of present invention.Comprise:
Step 401: the resource APMB package making mobile video program.
Wherein, the manufacturing process of the resource APMB package of concrete mobile video program can comprise: travel through and obtain the information of the whole resource file needed for mobile video program, wherein, the information of resource file comprises: the title, size, content etc. of resource file, and above-mentioned information is kept in local list; According to the top of file plot structure of information architecture resource APMB package of the resource file obtained, index area structure, file name area structure and file content plot structure; The file of structure is packaged into single binary file.The binary file of described structure can include the structural informations such as top of file plot structure, index area structure, file name area structure and file content plot structure.
Concrete, build resource APMB package and can include but not limited to structural information as follows:
1.1) file layout:
| top of file district, preserves the general information of this resource APMB package, internal resource number of files etc.
| index area, preserve the offset information of all resource files, comprising multiple index structure
| file name area, preserve filename and the store path of all resource files, comprising multiple filename structure
| file content district, preserves the binary content of all resource files, comprising multiple DCA document content architecture
1.2) top of file plot structure:
1.3) index area structure:
1.4) file name area structure:
1.5) file content plot structure:
Step 402: make mobile video program installation kit.
The single Binary Resources APMB package made in step 401 is included in program installation kit, the single Binary Resources APMB package and the program execution files (if suffix is the file of .exe) that are about to making are made into a program installation kit, reduce the difficulty of fabrication and installation bag, and the program that decreases is arranged on the disk space taken after on mobile phone.
Step 403: install mobile video program on mobile phone.
Installation process can comprise: the assigned address single Binary Resources APMB package in program installation kit and program execution files being loaded into mobile phone, owing to only having a resource APMB package, instead of multiple resource file, avoid the operation of multiple fetch program installation kit, substantially increase program installation rate.Generally speaking, after the Binary Resources APMB package adopting this single, the installation rate of client can improve 10 ~ 20 times.
Step 404: mobile video program starts, index resource APMB package.
Specifically comprise: during the execute file startup optimization of mobile video program, read the top of file district of resource APMB package, from the top of file district of resource APMB package, obtain index area, file name area and the size in file content district and the side-play amount in resource APMB package.According to the respective size in index area and file name area and side-play amount, read the information content in index area, obtain the type of each resource file comprised in resource APMB package, the side-play amount of resource file name, the length of resource file name, the side-play amount of file content in resource APMB package of resource file, and the length of the file content of resource file, the information content in file reading name district, obtain resource file name and the store path of each resource file in resource APMB package of each resource file comprised in resource APMB package, thus set up the concordance list of resource file, the title of resource file is at least comprised in this concordance list, size, side-play amount and store path, and this concordance list is preserved in the mode of Hash table, so that follow-up quick indexing.Keep the open mode of this resource APMB package, open, close the number of times of resource APMB package effectively to reduce.
Step 405: mobile video program is run, retrieve resources file.
Specifically comprise: mobile video program resource file name as required can retrieve the concordance list of the resource file set up in step 404, and find the store path of corresponding resource file in resource APMB package and deviation post, the resource file needed for reading to the respective offsets position in respective paths.By said method, effectively prevent and open and close scrappy small documents, improve the travelling speed of program, reduce the consumption of handset capability.
Step 406: unloading mobile video program.
When unloading mobile video program, the whole physics of resource APMB package being installed to mobile phone is deleted, because the resource APMB package provided in the embodiment of the present invention exists with single binary file form, avoid multiple deletion action, greatly improve the discharge rate of program.
The access method of the resource file that the embodiment of the present invention provides, by whole resource files is made into a resource APMB package, resource APMB package is divided into index area, file name area and file content district, when reading resource APMB package, the resource file to be visited store path in file content district is obtained from file name area according to resource file name to be visited, the offset information of resource file to be visited is obtained from index area, the content of resource file to be visited is obtained in file content district according to store path and offset information, avoid the operation of a large amount of File Open/closedowns, improve the travelling speed of mobile terminal, save the electric energy loss of mobile terminal.
The access means structural representation of the resource file that Fig. 5 provides for one embodiment of the invention, as shown in Figure 5, the access means of described resource file is for realizing said method embodiment, and the access means of described resource file comprises: read module 501 and processor 502.Wherein, read module 501 is for the filename that obtains resource file to be visited, and index area and the file name area of resource APMB package is read according to the filename of resource file to be visited, this resource APMB package comprises index area, file name area and file content district.Processor 502 for: obtain the resource file to be visited store path in file content district from file name area, the offset information of resource file to be visited is obtained from index area, according to store path and offset information, obtain the content of resource file to be visited in file content district.
Wherein, the resource APMB package that the embodiment of the present invention provides is a binary file, index area is included in this binary file, for recording the type of resource file, the side-play amount of the filename of resource file, the length of resource file name, the side-play amount of the file content of resource file in resource APMB package, and the length of the file content of resource file.Index area, for preserving the offset information of all resource files in this resource APMB package, wherein can comprise multiple index structure.Further comprises file name area in this binary file, for recording filename and the store path of resource file in resource APMB package of resource file, multiple filename structure in file name area, can be comprised.This binary file further comprises file content district, for recording the file content of resource file, the file content of each resource file with binary representation, comprising multiple DCA document content architecture.The store path of above-mentioned resource file in resource APMB package be it should be noted that, this store path is actually a relative path, this relative path can be understood as the path obtaining resource file from resource file place root directory, what this path referred to is not resource file is stored on mobile phone which disk or which sector, and refer to how the root directory at this resource file place from resource APMB package obtains the path finding resource file, be therefore a relative path.
In an alternative embodiment of the invention, resource APMB package can also comprise: top of file district, for the size in recording indexes district, file name area and file content district, and the side-play amount in resource APMB package.Accordingly, read module 501 also for: before the index area reading resource APMB package according to the filename of resource file to be visited and file name area, the top of file district of access resources APMB package, obtains index area, file name area and the size in file content district and the side-play amount in resource APMB package.
The access means structural representation of the resource file that Fig. 6 provides for another embodiment of the present invention, as shown in Figure 6, be compared to the access means shown in Fig. 5, the access means of this resource file not only comprises read module 601 and processor 602, also comprise: set up module 600, for obtain resource file to be visited at read module 601 filename before, read the content of index area in resource APMB package and file name area record; According to the content of the index area read and file name area record, set up the concordance list of resource file, this concordance list comprises the title of resource file, size, side-play amount and store path.Wherein, content at least can comprise the length of the file content of side-play amount in resource APMB package of the side-play amount of the resource file name of index area record, the length of resource file name, the file content of resource file and resource file, the resource file name of file name area record and store path.Accordingly, read module 601, for the filename obtaining resource file to be visited, according to the filename obtained, reads the concordance list set up module 600 and set up.Processor 602 is for obtaining the content of resource file to be visited according to the store path read in concordance list and offset information in file content district.
The access means of the resource file that the embodiment of the present invention provides, by whole resource files is made into a resource APMB package, resource APMB package is divided into index area, file name area and file content district, when reading resource APMB package, the resource file to be visited store path in file content district is obtained from file name area according to resource file name to be visited, the offset information of resource file to be visited is obtained from index area, the content of resource file to be visited is obtained in file content district according to store path and offset information, avoid the operation of a large amount of File Open/closedowns, improve the travelling speed of mobile terminal, save the electric energy loss of mobile terminal.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that programmed instruction is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. an access method for resource file, is characterized in that, comprising:
Read the index area of described resource APMB package and the content of file name area record, wherein said resource APMB package comprises described index area, described file name area and file content district, described index area is for recording the length of the file content of side-play amount in described resource APMB package of the type of each resource file, the side-play amount of resource file name, the length of resource file name, the file content of resource file and resource file, described file name area is used for recording each resource file name and store path, and described file content district is for recording the file content of each resource file;
According to the content reading the described index area of described resource APMB package and described file name area record, set up the concordance list of resource file, described concordance list comprises the title of resource file, size, side-play amount and store path;
Obtain the filename of resource file to be visited, and read the described index area of resource APMB package and described file name area according to the filename of described resource file to be visited, comprising:
According to the filename of the resource file to be visited of described acquisition, read described concordance list;
Obtain the store path of described resource file to be visited in described file content district from described file name area, obtain the offset information of described resource file to be visited from described index area;
According to described store path and described offset information, obtain the content of described resource file to be visited in described file content district.
2. method according to claim 1, is characterized in that, described resource APMB package also comprises: top of file district, for recording the size in described index area, file name area and file content district, and the side-play amount in described resource APMB package;
Before the index area of described reading resource APMB package and file name area, described method also comprises:
Access the top of file district of described resource APMB package, obtain index area, file name area and the size in file content district and the side-play amount in described resource APMB package.
3. method according to claim 2, it is characterized in that, described top of file district is also for recording at least one: the resource file sum in the size of the length of top of file, the version of described resource APMB package, described resource APMB package and described resource APMB package.
4. the method according to any one of claims 1 to 3, is characterized in that, described concordance list exists with the form of Hash table.
5. method according to claim 1 and 2, is characterized in that, described method also comprises:
Keep the open mode of described resource APMB package.
6. an access means for resource file, is characterized in that, comprising:
Set up module, for obtain resource file to be visited at read module filename before, read the content of index area in described resource APMB package and file name area record, according to the content that the described index area read in described resource APMB package and described file name area record, set up the concordance list of resource file, described concordance list comprises the title of resource file, size, side-play amount and store path, described resource APMB package comprises described index area, described file name area and file content district, described index area is for recording the type of each resource file, the side-play amount of resource file name, the length of resource file name, the side-play amount of file content in described resource APMB package of resource file, and the length of the file content of resource file, described file name area is used for recording each resource file name and store path, described file content district is for recording the file content of each resource file,
Read module, for obtaining the filename of resource file to be visited, and read the described index area of resource APMB package and described file name area according to the filename of described resource file to be visited, comprise: the filename obtaining resource file to be visited, and the filename of resource file to be visited according to described acquisition, read described concordance list;
Processor, obtains the store path of described resource file to be visited in described file content district, obtains the offset information of described resource file to be visited from described index area from described file name area; According to described store path and described offset information, obtain the content of described resource file to be visited in described file content district.
7. device according to claim 6, is characterized in that, described resource APMB package also comprises: top of file district, for recording the size in described index area, file name area and file content district, and the side-play amount in described resource APMB package;
Described read module also for: before the index area reading resource APMB package according to the filename of described resource file to be visited and file name area, access the top of file district of described resource APMB package, obtain index area, file name area and the size in file content district and the side-play amount in described resource APMB package.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110211991.4A CN102902687B (en) | 2011-07-27 | 2011-07-27 | The access method of resource file and device |
| PCT/CN2012/076648 WO2012167742A1 (en) | 2011-07-27 | 2012-06-08 | Method and apparatus for accessing resource files |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110211991.4A CN102902687B (en) | 2011-07-27 | 2011-07-27 | The access method of resource file and device |
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| Publication Number | Publication Date |
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| CN102902687A CN102902687A (en) | 2013-01-30 |
| CN102902687B true CN102902687B (en) | 2015-09-09 |
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| CN201110211991.4A Expired - Fee Related CN102902687B (en) | 2011-07-27 | 2011-07-27 | The access method of resource file and device |
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| CN (1) | CN102902687B (en) |
| WO (1) | WO2012167742A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106055363B (en) * | 2016-05-31 | 2017-11-14 | 广东欧珀移动通信有限公司 | A kind of method and mobile terminal for identifying file |
| CN107844483B (en) * | 2016-09-18 | 2020-07-28 | 腾讯科技（深圳）有限公司 | File management method and device |
| CN107633088B (en) * | 2017-09-29 | 2020-04-24 | 深圳市金证科技股份有限公司 | File management method and device |
| CN109814913B (en) * | 2018-12-25 | 2020-09-18 | 华为终端有限公司 | Method and device for splitting, recombining and operating application package |
| CN110968549B (en) * | 2019-11-18 | 2024-03-29 | Oppo（重庆）智能科技有限公司 | File storage method, device, electronic equipment and medium |
| CN114201703A (en) * | 2020-09-18 | 2022-03-18 | 华为技术有限公司 | File generation method and electronic equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054038A (en) * | 2010-12-30 | 2011-05-11 | 东莞宇龙通信科技有限公司 | File decompression method and device as well as mobile terminal |
| CN102073633A (en) * | 2009-11-23 | 2011-05-25 | 腾讯科技（深圳）有限公司 | Method and device for storing and accessing resource file |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060133410A (en) * | 2005-06-20 | 2006-12-26 | 엘지전자 주식회사 | Method for managing file database and searching file in multimedia device |
-
2011
- 2011-07-27 CN CN201110211991.4A patent/CN102902687B/en not_active Expired - Fee Related
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2012
- 2012-06-08 WO PCT/CN2012/076648 patent/WO2012167742A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073633A (en) * | 2009-11-23 | 2011-05-25 | 腾讯科技（深圳）有限公司 | Method and device for storing and accessing resource file |
| CN102054038A (en) * | 2010-12-30 | 2011-05-11 | 东莞宇龙通信科技有限公司 | File decompression method and device as well as mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012167742A1 (en) | 2012-12-13 |
| CN102902687A (en) | 2013-01-30 |
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