CN106897052A - APK file compression method and device - Google Patents
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- CN106897052A CN106897052A CN201510992699.9A CN201510992699A CN106897052A CN 106897052 A CN106897052 A CN 106897052A CN 201510992699 A CN201510992699 A CN 201510992699A CN 106897052 A CN106897052 A CN 106897052A
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Abstract
The invention provides a kind of method and device of APK file compression, wherein method includes：Acquisition needs to be pushed to the packaging file of client, and the packaging file is multiple APK files and/or increment AKU；The All Files of acquisition is uniformly processed, it is merged, obtain merging data；Treatment is compressed to the merging data, the new compressed file storage of generation is beyond the clouds in server；When download request or the update request message that client is sent is received, the new compressed file is supplied to the client；APK file data volume after compression is smaller, therefore, user can save certain downloading flow when downloading APK file and APK incremental data bags, shorten and download the stand-by period, improve download efficiency.
Description
Technical field
The present invention relates to network communication technology field, more particularly to a kind of APK file compression side
Method and device.
Background technology
The various softwares that smart mobile phone is installed, are downloaded by approach such as application shop, browsers
And install.Downloaded as user or during upgrade application, needed to belonging to series together through being commonly present
All applications are downloaded or more news, for example, the APK of office series, or
Multiple applications that same company releases, now user needs to download respectively one by one with a series of institute
There is application, then installed, such user is accomplished by the more mobile phone flow of consumption and waits
The long period is treated, so as to reduce download efficiency.
The content of the invention
In view of the above problems, it is proposed that the present invention overcomes above mentioned problem or extremely to provide one kind
Partially solve or slow down the APK file compression method and device of above mentioned problem.
According to an aspect of the invention, there is provided a kind of method of APK file compression,
Including：
Acquisition needs to be pushed to the packaging file of client, and the packaging file is multiple APK
File and/or increment AKU；
The All Files of acquisition is uniformly processed, it is merged, obtain merging data；
Treatment is compressed to the merging data, new compressed file storage is generated and is taken beyond the clouds
In business device；
When download request or the update request message that client is sent is received, will be described new
Compressed file is supplied to the client.
Further, also include：
After storing in server beyond the clouds, the push for sending software installation or upgrading to client is believed
Breath.
Further, it is described by the All Files of acquisition merge including：
Recognize the content format of each file；
Content format identical decompression data are merged into a unit to be compressed；
Wherein, the merging data includes unit to be compressed described at least one.
Further, it is described that treatment is compressed to the merging data, generate new compression number
According to, including：
The content format of the file included according to the unit to be compressed, chooses corresponding compression
Algorithm；
According to the compression algorithm chosen, treatment is compressed to the unit to be compressed, it is raw
Into the corresponding compressed data of the unit to be compressed；
Wherein, the new compressed data includes having stated all APK included in merging data
Packing data.
Further, also include：
Extract the metadata information in the packaging file comprising all APK；
The metadata information and the new compressed data are repackaged into compressed file.
Further, the metadata information includes：The mesh of the packaging file comprising all APK
Record information and File header information.
Further, also include：
Obtain compression parameters of the new compressed file in compression；
The compression parameters are saved in the metadata information, are believed with according to the metadata
The compression parameters in breath are decompressed to the new compressed file.
Further, also include：
Highest version software installation kit and Current software installation kit are compared in advance, using predetermined
Algorithm is calculated differential file therebetween, and generation is installed for the highest version software
The increment AKU of bag.
According to another aspect of the present invention, there is provided a kind of dress of APK file compression
Put, including：
Acquisition module, needs to be pushed to the packaging file of client, the packing text for obtaining
Part is multiple APK files and/or increment AKU；
Merging module, the All Files for acquisition to be uniformly processed, merges to it, obtains
Merging data；
Compression module, for being compressed treatment to the merging data, generates new compression text
Part storage is beyond the clouds in server；
File provides module, and download request or upgrade request that client is sent are received for working as
During message, the new compressed file is supplied to the client.
Further, also include：
Message transmission module, after in storage beyond the clouds server, software is sent to client
The pushed information installed or upgrade.
Further, the merging module is further used for, and recognizes the content format of each file；
Content format identical decompression data are merged into a unit to be compressed；Wherein, it is described
Merging data includes unit to be compressed described at least one.
Further, the compression module is further used for, and is wrapped according to the unit to be compressed
The content format of the file for containing, chooses corresponding compression algorithm；Calculated according to the compression chosen
Method, treatment is compressed to the unit to be compressed, generates the corresponding pressure of the unit to be compressed
Contracting data；Wherein, the new compressed data includes having stated include in merging data all
The packing data of APK.
Further, the compression module is additionally operable to, and extracts the packaging file comprising all APK
In metadata information；
The metadata information and the new compressed data are repackaged into compressed file.
Further, the metadata information includes：The mesh of the packaging file comprising all APK
Record information and File header information.
Further, the compression module is additionally operable to, and obtains the new compressed file in compression
When compression parameters；The compression parameters are saved in the metadata information, with according to institute
The compression parameters stated in metadata information are decompressed to the new compressed file.
Further, the acquisition module is additionally operable to, in advance to highest version software installation kit and work as
Preceding software installation bag is compared, and differential file therebetween is counted using pre-defined algorithm
Calculate, increment AKU of the generation for the highest version software installation kit.
Beneficial effects of the present invention are：
APK file data volume after present invention compression is smaller, therefore, user downloads APK texts
Certain downloading flow can be saved when part and APK incremental data bags, when shortening download wait
Between, improve download efficiency.
Described above is only the general introduction of technical solution of the present invention, in order to better understand this hair
Bright technological means, and being practiced according to the content of specification, and in order to allow the present invention
Above and other objects, features and advantages can become apparent, below especially exemplified by of the invention
Specific embodiment.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantage and benefit
Will be clear understanding for those of ordinary skill in the art.Accompanying drawing is only used for showing to be preferable to carry out
The purpose of mode, and it is not considered as limitation of the present invention.And in whole accompanying drawing, use
Identical reference symbol represents identical part.In the accompanying drawings：
Fig. 1 is the schematic flow sheet of the inventive method embodiment；
Fig. 2 is the structural representation of apparatus of the present invention embodiment.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment of the present invention methods described is described in detail with reference to accompanying drawing 1 first.
As shown in figure 1, Fig. 1 for the inventive method embodiment schematic flow sheet, this implementation
The executive agent of the methods described that example is provided can be document handling apparatus, and the device can be specially
Server device, such as cloud device, the method specifically may include steps of：
Step 101：Cloud server is obtained to be needed to be pushed to the packaging file of client；It is described
Packaging file is multiple APK and/or APK increment AKUs；
It is exactly specifically that APK is the abbreviation of AndroidPackage, i.e. Android is installed
Bag (APK).APK is the file format of similar Symbian Sis or Sisx.By the way that APK is literary
Part is passed directly to perform in Android simulator or Android phone can installation.APK texts
The engineering that android sdk are compiled is packaged into an installation procedure file by part as sis,
Form is apk.
When user's download or upgrade application, own to belonging to a series together through being commonly present needs
Using being downloaded or more news, for example, the APK of office series, or it is same
Multiple associated applications that company releases, therefore, cloud server is pushed to client the need for obtaining
The packaging file at end can be that the software installation bag, or multiple APK of multiple APK increase
Amount AKU, can also be that the software installation bag and at least one APK of at least one APK increase
Amount packet；
Wherein, the generating process of the APK incremental data bags includes：Highest version software is pacified in advance
Dress bag and Current software installation kit are compared, right using pre-defined algorithm (such as difference algorithm)
Therebetween differential file is calculated, and generation is for the highest version software installation kit
APK increment AKUs.
In the inventive method embodiment, client can be it is any can for users to use, Neng Gouan
Fill the terminal device of various application software, such as mobile phone, ipad etc..Cloud server has number
According to storage and treatment function, be for example stored with the data of server beyond the clouds multiple APK and
APK increment AKUs, can be according to active push software installation message or upgrading message to client
End, it is also possible to according to the downloading request message or upgrading message of client, there is provided corresponding APK
With APK increment AKUs to client.
Step 102：The All Files of acquisition is uniformly processed, it will be merged, closed
And data；
It is exactly specifically, if APK software installations bag or APK incremental data bag sheets
Body is exactly compressed format, then need first to be carried out using the decompression algorithm for passing through before the combining
Decompression, each APK software installations bag or APK incremental data bags are by after decompression
Corresponding one group of file can be obtained；If certain APK software installations bag or APK incremental numbers
It is in itself unpacked format according to bag, then just without carrying out any treatment.
For above-mentioned unpacked format All Files (including by the institute of above-mentioned decompression
Have multigroup file), the content format of each file is recognized, wherein content format identical will decompress number
According to merging into a unit to be compressed, wherein, the identification of content format can be by recognizing that file expands
Exhibition name and identification file header, both modes are realized.By the way of file extension is recognized
Recognition speed is fast, but the degree of accuracy will be less than by the way of file header is recognized.For example, extension name
It is that .zip and .jar are zip forms.File header is PK beginnings, and expression is zip forms.It is all
Form all can be using lzma2/lzma as compression algorithm.Place is merged after format content identification
Reason obtains merging data bag, and the merging data includes at least one unit to be compressed.For example,
Comprising two kinds of decompression data of content format in application installation package, one kind is zip forms；It is another
It is PNG (Portable Network Graphic, portable network graphic) form to plant.
Step 103：Treatment is compressed to above-mentioned merging data, new compressed file is generated and is deposited
Storage is beyond the clouds in server；
It is exactly specifically, the content format of the file included according to the unit to be compressed,
Corresponding compression algorithm is chosen, according to the compression algorithm chosen, compression unit is treated and is compressed
Treatment, generates the corresponding compressed data of the unit to be compressed, i.e., new compressed data is new
Compressed data includes the packing data for having all APK included in merging data.Wherein compress
Process includes：The metadata information in all APK files or APK incremental data bags is extracted,
Multiple metadata informations are carried out into arrangement merging, then compression is re-started with above-mentioned merging data
The new compressed file of generation, wherein metadata information includes：Directory information and File header information,
Directory information essential record merges the position of preceding each file, each file one file header of correspondence
Information, File header information is mainly used to be different from alternative document.
In addition, above-mentioned compression can also obtain the new compressed file in compression when processing
Compression parameters；Compression parameters are saved in metadata information, with according in metadata information
Compression parameters are decompressed to new compressed file.This be due to use existing decompression algorithm,
The possible overwhelming majority of compressed data can solve (i.e. content is just the same) by complete, but have
It is the same with original bag that some parts are unlikely recovered.Although, from the point of view of operating structure,
And in the absence of any influence, but have the possibility of error.In order to ensure what compressed data was solved
Decompression data are just the same with original bag, and guarantee does not malfunction, and the embodiment of the present invention is using above-mentioned
Compression parameters of the process by the new compressed data in compression are recorded and are saved in first number
It is believed that in breath.
Step 104：The pushed information of software installation or upgrading is sent to client；
Step 105：When download request or the update request message that client is sent is received,
New compressed file is supplied to the client.
Next apparatus of the present invention embodiment is described in detail with reference to accompanying drawing 2.
As shown in Fig. 2 structural representations of the Fig. 2 for apparatus of the present invention embodiment, particularly as can
To include：
Acquisition module 201, needs to be pushed to the packaging file of client for obtaining, described to beat
APMB package is multiple APK files and/or increment AKU；Acquisition module is additionally operable to, right in advance
Highest version software installation kit and Current software installation kit are compared, using pre-defined algorithm to the two
Between differential file calculated, generation for the highest version software installation kit increment liter
Level bag.
Merging module 202, the All Files for acquisition to be uniformly processed, merges to it,
Obtain merging data；It is exactly specifically that merging module 202 recognizes the content format of each file；
Content format identical decompression data are merged into a unit to be compressed；Wherein, merging data
Include at least one unit to be compressed.
Compression module 203, for being compressed treatment to the merging data, generates new pressure
The storage of contracting file is beyond the clouds in server；It is exactly specifically that compression module 203 is according to described
The content format of the file that unit to be compressed is included, chooses corresponding compression algorithm；According to choosing
The compression algorithm for taking, treats compression unit and is compressed treatment, generates unit to be compressed corresponding
Compressed data；Wherein, new compressed data is including having all APK's included in merging data
Packing data.
Compression module 203 is additionally operable to, and extracts the metadata in the packaging file comprising all APK
Information；The metadata information and the new compressed data are repackaged into compressed file.
And, obtain compression parameters of the new compressed file in compression；By the compression parameters
It is saved in the metadata information, with the compression parameters in the metadata information
The new compressed file is decompressed.Wherein, metadata information includes：Comprising all
The directory information and File header information of the packaging file of APK.
File provides module 204, and request download or upgrading that client is sent are received for working as
During message, the new compressed file after compression module 203 is processed is supplied to the client.
As the most preferred embodiment of apparatus of the present invention embodiment, can also include：
Message transmission module 205, after in storage beyond the clouds server, sends to client
Software installation or the pushed information of upgrading.
It should be noted that for the process that implements of said apparatus, the above method has been carried out
Describe in detail, therefore here is omitted.
In sum, a kind of APK file compression method and device are the embodiment of the invention provides,
Compared compared with using prior art, the APK file data volume after compression is smaller, therefore, use
Family can save certain downloading flow when downloading APK file and APK incremental data bags, contract
The short download stand-by period, improve download efficiency.
All parts embodiment of the invention can realize with hardware, or with one or many
The software module run on individual processor is realized, or is realized with combinations thereof.The present invention is also
Can be implemented as some or all equipment for performing method as described herein or
Program of device (for example, computer program and computer program product).It is such to realize the present invention
Program can store on a computer-readable medium, or can with one or more letter
Number form.Such signal can be downloaded from internet website and obtained, or in carrier letter
There is provided on number, or provided in any other form.
" one embodiment ", " embodiment " or " one or more embodiment " referred to herein
It is meant that the special characteristic for describing in conjunction with the embodiments, structure or characteristic be included in it is of the invention
In at least one embodiment.Further, it is noted that word here " in one embodiment "
Son is not necessarily all referring to same embodiment.
In specification mentioned herein, numerous specific details are set forth.It is to be appreciated, however, that
Embodiments of the invention can be put into practice in the case of without these details.In some realities
In example, known method, structure and technology is not been shown in detail, so as not to fuzzy to this explanation
The understanding of book.
It should be noted that above-described embodiment the present invention will be described is carried out rather than to the present invention
Limit, and those skilled in the art without departing from the scope of the appended claims may be used
Design alternative embodiment.In the claims, any reference that will should not be located between bracket
Symbol construction is into limitations on claims.Word "comprising" do not exclude the presence of be not listed in right will
Element or step in asking.Word "a" or "an" before element does not exclude the presence of many
Individual such element.The present invention by means of the hardware for including some different elements and can be borrowed
Help properly programmed computer to realize.If in the unit claim for listing equipment for drying,
Several in these devices can be embodied by same hardware branch.Word first,
Second and third use do not indicate that any order.These words can be construed to title.
Furthermore, it should also be noted that the language used in this specification primarily to it is readable and
The purpose of teaching and select, selected rather than in order to explain or limit subject of the present invention
's.Therefore, in the case of without departing from the scope of the appended claims and spirit, for this
Many modifications and changes will be apparent from for the those of ordinary skill of technical field.For
The scope of the present invention, is illustrative and not restrictive, sheet to the disclosure that the present invention is done
The scope of invention is defined by the appended claims.
Claims (10)
1. a kind of method that APK file is compressed, it is characterised in that including：
Acquisition needs to be pushed to the packaging file of client, and the packaging file is multiple APK texts
Part and/or increment AKU；
The All Files of acquisition is uniformly processed, it is merged, obtain merging data；
Treatment is compressed to the merging data, new compressed file storage is generated and is taken beyond the clouds
In business device；
When download request or the update request message that client is sent is received, will be described new
Compressed file is supplied to the client.
2. method according to claim 1, it is characterised in that also include：
After storing in server beyond the clouds, the push for sending software installation or upgrading to client is believed
Breath.
3. method according to claim 1, it is characterised in that described all by what is obtained
File merge including：
Recognize the content format of each file；
Content format identical decompression data are merged into a unit to be compressed；
Wherein, the merging data includes unit to be compressed described at least one.
4. the method according to any one in Claim 1-3, it is characterised in that institute
State and treatment is compressed to the merging data, generate new compressed data, including：
The content format of the file included according to the unit to be compressed, chooses corresponding compression
Algorithm；
According to the compression algorithm chosen, treatment is compressed to the unit to be compressed, it is raw
Into the corresponding compressed data of the unit to be compressed；
Wherein, the new compressed data includes having stated all APK included in merging data
Packing data.
5. the method according to claim 4, it is characterised in that also include：
Extract the metadata information in the packaging file comprising all APK；
The metadata information and the new compressed data are repackaged into compressed file.
6. method according to claim 5, it is characterised in that
The metadata information includes：The directory information and text of the packaging file comprising all APK
Part header.
7. the method according to any one of claim 4, it is characterised in that also include：
Obtain compression parameters of the new compressed file in compression；
The compression parameters are saved in the metadata information, are believed with according to the metadata
The compression parameters in breath are decompressed to the new compressed file.
8. the method according to any one of claim 1-3, it is characterised in that further
Including：
Highest version software installation kit and Current software installation kit are compared in advance, using predetermined
Algorithm is calculated differential file therebetween, and generation is installed for the highest version software
The increment AKU of bag.
9. the device that a kind of APK file is compressed, it is characterised in that including：
Acquisition module, needs to be pushed to the packaging file of client, the packing text for obtaining
Part is multiple APK files and/or increment AKU；
Merging module, the All Files for acquisition to be uniformly processed, merges to it, obtains
Merging data；
Compression module, for being compressed treatment to the merging data, generates new compression text
Part storage is beyond the clouds in server；
File provides module, and download request or upgrade request that client is sent are received for working as
During message, the new compressed file is supplied to the client.
10. device according to claim 9, it is characterised in that also include：
Message transmission module, after in storage beyond the clouds server, software is sent to client
The pushed information installed or upgrade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510992699.9A CN106897052B (en) | 2015-12-24 | 2015-12-24 | APK file compression method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510992699.9A CN106897052B (en) | 2015-12-24 | 2015-12-24 | APK file compression method and device |
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| CN106897052A true CN106897052A (en) | 2017-06-27 |
| CN106897052B CN106897052B (en) | 2021-08-24 |
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| CN201510992699.9A Active CN106897052B (en) | 2015-12-24 | 2015-12-24 | APK file compression method and device |
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| CN113794589A (en) * | 2021-08-31 | 2021-12-14 | 新华三技术有限公司成都分公司 | AC firmware packaging method, AP upgrading method and AC |
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| Publication number | Publication date |
|---|---|
| CN106897052B (en) | 2021-08-24 |
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