CN103701930A - Mobile application program real-time updating method and system - Google Patents

Mobile application program real-time updating method and system Download PDF

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Publication number
CN103701930A
CN103701930A CN201410006245.5A CN201410006245A CN103701930A CN 103701930 A CN103701930 A CN 103701930A CN 201410006245 A CN201410006245 A CN 201410006245A CN 103701930 A CN103701930 A CN 103701930A
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file
differentiation
mobile terminal
program
increment
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CN201410006245.5A
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李莹
裴肖天
尹建伟
邓水光
吴健
吴朝晖
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Zhejiang University ZJU
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Zhejiang University ZJU
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Abstract

The invention discloses a mobile application program real-time updating method and system. The method comprises the steps that a server side carries out difference calculation on a new version of an application program uploaded by a developer and an originally stored old version, thus a differentiation increment between the two versions is generated; a mobile terminal is connected with a mobile network to check whether a new version of the program is released, if no new version of the program is released, the operation of the program is performed normally, otherwise, the program sends out a request of downloading the new version to the server side; the server side receives the request, checks whether the differentiation increment between the version of the mobile terminal and the current latest version is stored, and sends the differentiation increment to the mobile terminal if the differentiation increment exist, otherwise difference calculation is carried out to generate a differentiation increment between the two versions, and the differentiation increment is sent to the mobile terminal; the mobile terminal carried out incremental updating on the mobile application through receiving the differentiation increment data sent by the server side. Compared with the prior art, the mobile application program real-time updating method and system can be used for effectively simplifying the release process, reducing the network traffic during mobile application updating, and saving the phone traffic to a maximized extent.

Description

A kind of real time updating method of mobile applications and system
Technical field
The present invention relates to the incrementally updating technology of software, particularly a kind of real time updating method of mobile applications and system.
Background technology
At present the volume of the application software on smart mobile phone mobile terminal is promptly expanding, and almost the volume growth of every a important software is all that straight line increases, but after being increased to 5MB ~ 10MB, volume just no longer straight line increased.Because the flow of each user's mobile phone only has the budget of 100MB, and application program on everyone mobile phone has tens conventionally, and these flows are nowhere near.In addition, mobile network's speed is also extremely slow, and it is very difficult downloading so large software.Also occurred other many problems: on the one hand, software volume is excessive, it is extremely difficult to cause upgrading simultaneously; On the other hand, software volume is excessive, causes need to the rack one's brains volume of Optimization Software of software developer.
Summary of the invention
The present invention utilizes increment updating technology and the restructuring of mobile terminal increment and technique of compiling, by designing a set of complete mobile application version that comprises, control, incremental computations, increment distribution, increment restructuring, and apply the functional methods such as synthetic, can effectively reduce the volume of mobile applications transaction file, thereby reduce the mobile network traffics required in renewal process that are applied in.
Principle of the present invention is by adopting incremental update, and, when upgrading operation, only renewal needs the place changing, and does not need the place of upgrading or having upgraded can not repeat to upgrade, and incremental update is with renewal is relative completely.Incrementally updating upgrading about mobile client software is first the installation kit of the legacy version of application and redaction installation kit to be done to diversity ratio, obtains the more patch of new portion.After user has downloaded service packs, need to they be combined at mobile phone terminal.First, by the legacy version software of mobile phone terminal, copy in storage card or buffer memory, the data of they and old edition are before combined, obtain the installation kit of a redaction, thereby saved the flow of Internet Transmission.
For achieving the above object, technical scheme of the present invention is:
A real time updating method for mobile applications, the method comprises the following steps:
S1: the application program redaction that server end is uploaded developer and the legacy version of former storage carry out difference calculating, produces the differentiation increment between described two versions;
S2: mobile terminal connects mobile network and checks whether there is the issue of redaction program, if not, program is normally moved, otherwise program is sent the request of downloading redaction to server end;
S3: server end receives described request, check the differentiation increment that whether stores mobile terminal version and current latest edition, if existed, to mobile terminal, send described differentiation increment, otherwise carry out difference, calculate the differentiation increment of generation two versions and send to mobile terminal;
S4: the differentiation incremental data that mobile terminal sends by reception server end is carried out incrementally updating to mobile application.
Further, the real time updating method of this moving application program also comprises the steps:
Server end compiles the new application program of uploading for the first time, and is used for safeguarding this application and follow-up renewal version thereof for this application program generates a specific catalogue.
Further, described compilation process comprises:
The resource file occurring in compiling application program, and described resource file is converted into Java source code;
By compiler, Java source file is compiled into class file, and then class file is compiled into the dex file under Dalvik;
Whole application is packaged into an apk program, apk program is signed and carried out bytecode registration process.
Further, the differentiation in described step S3 is calculated and is comprised:
Utilize decompiling instrument that the dex file of application program is converted into smali intermediate code file;
The smali intermediate code of two versions based on described application program is carried out difference calculating;
Increment after differentiation is optimized and processes and compress packing, notice mobile terminal the address of this differentiation delta package.
Further, described step S4 comprises:
After mobile terminal receives the request of redaction, the differentiation increment of down load application program updates;
Utilize and separate the increment that press tool decompress(ion) goes out each file, the i.e. difference of the smali intermediate code of each file;
From the mobile applications of current version, dis-assembling goes out the smali intermediate code of current version;
Utilize the patch tool of mobile terminal, by the smali file of current version and the differentiation delta file of corresponding download, obtain the smali file of new edition;
The smali file of the program code of application program is changed into dex file, and the smali file of application resource file changes into res file;
Generate the apk file of redaction, apk file is signed and bytecode alignment operation, then start platform installation procedure, stop current process, apk file is installed and is completed renewal.
The real-time update system that another object of the present invention is to provide a kind of mobile applications, comprises server end and mobile terminal;
Described server end comprises:
Upgrade data generation module, for application program redaction that developer is uploaded and the legacy version of former storage, carry out difference calculating, produce the differentiation increment between described two versions;
Intermediate code version management module, the download redaction request sending for mobile terminal receive, check the differentiation increment that whether stores mobile terminal version and current latest edition, if existed, to mobile terminal, send described differentiation increment, otherwise carry out difference, calculate the differentiation increment of generation two versions and send to mobile terminal;
Described mobile terminal comprises:
Upgrade detection module, for connecting mobile network, check whether there is the issue of redaction program, if not, program is normally moved, otherwise program is sent the request of downloading redaction to server end;
Upgrade control module, for the differentiation incremental data sending by reception server end, mobile application is carried out to incrementally updating.
Further, described server end also comprises compiling and Version Control module, for the new application program of uploading is for the first time compiled, and is used for safeguarding this application and follow-up renewal version thereof for this application program generates a specific catalogue.
Further, described compiling and Version Control module are used for: the resource file that compiling application program occurs, and described resource file is converted into Java source code; By compiler, Java source file is compiled into class file, and then class file is compiled into the dex file under Dalvik; Whole application is packaged into an apk program, apk program is signed and carried out bytecode registration process.
Further, described intermediate code version management module is used for: utilize decompiling instrument that the dex file of application program is converted into smali intermediate code file; The Smali intermediate code of two versions based on described application program is carried out difference calculating; Increment after differentiation is optimized and processes and compress packing, notice mobile terminal the address of this differentiation delta package.
Further, described renewal control module is used for:
After mobile terminal receives the request of redaction, the differentiation increment of down load application program updates; Utilize and separate the increment that press tool decompress(ion) goes out each file, the i.e. difference of the smali intermediate code of each file; From the mobile applications of current version, dis-assembling goes out the smali intermediate code of current version; Utilize the patch tool of mobile terminal, by the smali file of current version and the differentiation delta file of corresponding download, obtain the smali file of new edition; The smali file of the program code of application program is changed into dex file, and the smali file of application resource file changes into res file; Generate the apk file of redaction, apk file is signed and bytecode alignment operation, then start platform installation procedure, stop current process, apk file is installed and is completed renewal.
Compared to prior art, the invention has the beneficial effects as follows:
1) can effectively simplify issue flow process, the version that the invention enables Mobile phone to be applied in the installation kit on application market or website does not need to change, and each version updating does not need the version repository in maintenance application market and website continually;
2) by improved didactic method, program version is done to incrementally updating, the network traffics in the time of can effectively reducing mobile application renewal, maximized saving mobile phone flow;
3) by the technique of compiling of mobile terminal, a part for the compilation process of app is prolonged to life and to mobile terminal, complete, make didactic increment method become possibility.
Accompanying drawing explanation
Fig. 1 is the method flow schematic diagram of the embodiment of the present invention.
Fig. 2 is the system architecture diagram of the embodiment of the present invention.
Fig. 3 is the system configuration schematic diagram of the embodiment of the present invention.
Fig. 4 is the server end schematic diagram of the embodiment of the present invention.
Fig. 5 is the mobile terminal schematic diagram of the embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Be to be understood that, specific embodiment described herein is only in order to explain the present invention, be not intended to limit the present invention, in following specific embodiment, by take the mobile terminal that Android operating system is installed, be example, apparent the technical program also can be applied and the mobile terminal that other operating system is installed.
As shown in Figure 1, a kind of real time updating method of mobile applications, the method comprises the following steps and content:
While having new application program, first need to be published in server end, after user has developed application in local development environment, by configuration one issue plug-in unit, mobile application transport on server, as described in accompanying drawing 2.The compilation tool set pair application program of now server meeting invoking server end compiles, the process of compiling is as follows: one, by instruments such as appt, the resource of Android is packed, by instruments such as aidl, the interface description language of Android is converted into .java file, the resource file occurring in the mobile application of compiling, and the described resource file in Android is converted into Java source code; Two, by Javac compiler, Java source file is compiled into class file, then class file is compiled into the dex file under Dalvik; Three, utilize the apk Core Generators such as apkbuilder that whole application is packaged into an apk program; Four, by instruments such as jarsigner, apk program is signed, and with instruments such as zipalign, carry out the processing of bytecode alignment.So far, one is applied in server end by complete compiling out, and server end can be applied follow-up renewal Version Control for safeguarding this for this application generates a specific catalogue.
S1: the application program redaction that server end is uploaded developer and the legacy version of former storage carry out difference calculating, produces the differentiation increment between described two versions.
S2: mobile terminal does not demonstrate too large difference when set up applications first, according to normal mounting means.In the time of program startup each time, the renewal checking module being built in program can go to check whether have redaction issue, if there is no the issue of the redaction program of detection, its original logic of installation is normally moved.Otherwise program can be sent the request of downloading redaction to server.
S3: server end receives described request, check the differentiation increment that whether stores mobile terminal version and current latest edition, if existed, to mobile terminal, send described differentiation increment, otherwise call binary system difference instrument, carry out the differentiation increment of difference calculating generation two versions and send to mobile terminal.
Now, utilize baksmali that the dex file of application program is converted into this intermediate code file of smali, the smali intermediate code of the mobile terminal version based on described application program and this two version of current latest edition is carried out difference calculating, finally also need the increment after this differentiation to be optimized processing, then with zip, this difference is compressed, then difference is positioned under a web server, and notifies the address of this delta package of mobile terminal.
S4: the differentiation incremental data that mobile terminal sends by reception server end is carried out incrementally updating to mobile application, is specially:
After mobile-terminated request of receiving redaction, can remove to download the increment of this version updating, after increment is downloaded, then utilize and separate the increment that press tool decompress(ion) goes out each file, the namely difference of the smali intermediate code of each file.
Then compile: from current mobile process, use the decompiling instrument dis-assemblings such as baksmali to go out the smali that current version moves application and represent, we are referred to as old edition smali file, the file that the Incremental that download is come presses out is called smali_patch file, utilize the patch instrument of mobile terminal, the smali file that obtains new edition by old edition smali file and corresponding smali_patch file, finally obtains new dex file; The processing mode of resource file is also similar process, obtains new res file, then uses apkbuilder to generate apk file, finally apk file is signed and with bytecode, it is operated.In mobile terminal, restore like this new edition installation procedure, then start platform installation procedure, stop current process, apk file is installed, the edition upgrading of this application is completed.
Real time updating method corresponding to a kind of mobile applications of the present invention, a kind of real-time update system of mobile applications is also provided, accompanying drawing 2 is example structure schematic diagrames of the real-time update system of a kind of mobile applications of the present invention, as shown in Figure 2, described system, comprising: mobile terminal 2 and server 1.
As shown in Figure 4, described server 1, comprising:
Upgrade data generation module 11, for application program redaction that developer is uploaded and the legacy version of former storage, carry out difference calculating, produce the differentiation increment between described two versions;
Intermediate code version management module 12, the download redaction request sending for mobile terminal receive, check the differentiation increment that whether stores mobile terminal version and current latest edition, if existed, to mobile terminal, send described differentiation increment, otherwise carry out difference, calculate the differentiation increment of generation two versions and send to mobile terminal;
Wherein, described server 1 also comprises compiling and Version Control module 13, for the new application program of uploading is for the first time compiled, and is used for safeguarding this application and follow-up renewal version thereof for this application program generates a specific catalogue.
Wherein, described compiling and Version Control module 13 be specifically for resource file that compiling occurs in application program, and the resource file in Android is converted into Java source code; By compiler, Java source file is compiled into class file, and then utilizes dex that class file is compiled into the dex file under Dalvik; Whole application is packaged into an apk program, apk program is signed and carried out bytecode registration process.
Wherein, described intermediate code version management module 12 specifically for: utilize baksmali that the dex file of application program is converted into smali intermediate code file; The smali intermediate code of two versions based on described application program is carried out difference calculating; Increment after differentiation is optimized and processes and compress packing, notice mobile terminal the address of this differentiation delta package.
As shown in Figure 5, described mobile terminal 2 comprises:
Upgrade detection module 21, for connecting mobile network, check whether there is the issue of redaction program, if not, program is normally moved, otherwise program is sent the request of downloading redaction to server end;
Upgrade control module 22, for the differentiation incremental data sending by reception server end, mobile application is carried out to incrementally updating.
Wherein, described renewal control module 22 specifically for: after mobile terminal receives the request of redaction, the differentiation increment of down load application program updates; Utilize and separate the increment that press tool decompress(ion) goes out each file, the i.e. difference of the smali intermediate code of each file; From the mobile applications of current version, dis-assembling goes out the smali intermediate code of current version; Utilize the patch instrument of mobile terminal, by the smali file of current version and the differentiation delta file of corresponding download, obtain the smali file of new edition; The smali file of the program code of application program is changed into dex file, and the smali file of application resource file changes into res file; Use apkbuilder to generate the apk file of redaction, apk file is signed and bytecode alignment operation, then start platform installation procedure, stop current process, apk file is installed and is completed renewal.
The all or part of of the technique scheme that the embodiment of the present invention provides can complete by the relevant hardware of program command, described program can be stored in the storage medium can read, and this storage medium comprises: the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (10)

1. a real time updating method for mobile applications, is characterized in that, the method comprises the following steps:
S1: the application program redaction that server end is uploaded developer and the legacy version of former storage carry out difference calculating, produces the differentiation increment between described two versions;
S2: mobile terminal connects mobile network and checks whether there is the issue of redaction program, if not, program is normally moved, otherwise program is sent the request of downloading redaction to server end;
S3: server end receives described request, check the differentiation increment that whether stores mobile terminal version and current latest edition, if existed, to mobile terminal, send described differentiation increment, otherwise carry out difference, calculate the differentiation increment of generation two versions and send to mobile terminal;
S4: the differentiation incremental data that mobile terminal sends by reception server end is carried out incrementally updating to mobile application.
2. the real time updating method of mobile applications according to claim 1, is characterized in that, also comprises the steps:
Server end compiles the new application program of uploading for the first time, and is used for safeguarding this application and follow-up renewal version thereof for this application program generates a specific catalogue.
3. the real time updating method of mobile applications according to claim 2, is characterized in that, described compilation process comprises:
The resource file occurring in compiling application program, and described resource file is converted into Java source code;
By compiler, Java source file is compiled into class file, and then class file is compiled into the dex file under Dalvik;
Whole application is packaged into an apk program, apk program is signed and carried out bytecode registration process.
4. according to the real time updating method of arbitrary described mobile applications in claim 1-3, it is characterized in that, the differentiation in step S3 is calculated and is comprised:
Utilize decompiling instrument that the dex file of application program is converted into smali intermediate code file;
The smali intermediate code of two versions based on described application program is carried out difference calculating;
Increment after differentiation is optimized and processes and compress packing, notify the address of this differentiation delta package of mobile terminal.
5. the real time updating method of mobile applications according to claim 4, is characterized in that, described step S4 comprises:
After mobile terminal receives the request of redaction, the differentiation increment of down load application program updates;
Utilize and separate the increment that press tool decompress(ion) goes out each file, the i.e. difference of the smali intermediate code of each file;
From the mobile applications of current version, dis-assembling goes out the smali intermediate code of current version;
Utilize the patch tool of mobile terminal, by the smali file of current version and the differentiation delta file of corresponding download, obtain the smali file of new edition;
The smali file of the program code of application program is changed into dex file, and the smali file of application resource file changes into res file;
Generate the apk file of redaction, apk file is signed and bytecode alignment operation, then start platform installation procedure, stop current process, apk file is installed and is completed renewal.
6. a real-time update system for mobile applications, comprises server end and mobile terminal, it is characterized in that,
Described server end comprises:
Upgrade data generation module, for application program redaction that developer is uploaded and the legacy version of former storage, carry out difference calculating, produce the differentiation increment between described two versions;
Intermediate code version management module, the download redaction request sending for mobile terminal receive, check the differentiation increment that whether stores mobile terminal version and current latest edition, if existed, to mobile terminal, send described differentiation increment, otherwise carry out difference, calculate the differentiation increment of generation two versions and send to mobile terminal;
Described mobile terminal comprises:
Upgrade detection module, for connecting mobile network, check whether there is the issue of redaction program, if not, program is normally moved, otherwise program is sent the request of downloading redaction to server end;
Upgrade control module, for the differentiation incremental data sending by reception server end, mobile application is carried out to incrementally updating.
7. the real-time update system of a kind of mobile applications according to claim 6, it is characterized in that: described server end also comprises compiling and Version Control module, for the new application program of uploading is for the first time compiled, and for generating a specific catalogue, this application program is used for safeguarding this application and follow-up renewal version thereof.
8. the real-time update system of a kind of mobile applications according to claim 7, is characterized in that: described compiling and Version Control module are used for: compile the resource file that application program occurs, and described resource file is converted into Java source code; By compiler, Java source file is compiled into class file, and then class file is compiled into the dex file under Dalvik; Whole application is packaged into an apk program, apk program is signed and carried out bytecode registration process.
9. according to the real-time update system of arbitrary described a kind of mobile applications in claim 6-8, it is characterized in that: described intermediate code version management module is used for: utilize decompiling instrument that the dex file of application program is converted into smali intermediate code file; The smali intermediate code of two versions based on described application program is carried out difference calculating; Increment after differentiation is optimized and processes and compress packing, notice mobile terminal the address of this differentiation delta package.
10. the real-time update system of a kind of mobile applications according to claim 9, is characterized in that: described renewal control module is used for:
After mobile terminal receives the request of redaction, the differentiation increment of down load application program updates; Utilize and separate the increment that press tool decompress(ion) goes out each file, the i.e. difference of the smali intermediate code of each file; From the mobile applications of current version, dis-assembling goes out the smali intermediate code of current version; Utilize the patch tool of mobile terminal, by the smali file of current version and the differentiation delta file of corresponding download, obtain the smali file of new edition; The smali file of the program code of application program is changed into dex file, and the smali file of application resource file changes into res file; Generate the apk file of redaction, apk file is signed and bytecode alignment operation, then start platform installation procedure, stop current process, apk file is installed and is completed renewal.
CN201410006245.5A 2014-01-07 2014-01-07 Mobile application program real-time updating method and system Pending CN103701930A (en)

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