CN108595226A - Dynamic loading method, device and computer readable storage medium - Google Patents
Dynamic loading method, device and computer readable storage medium Download PDFInfo
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- CN108595226A CN108595226A CN201810437000.6A CN201810437000A CN108595226A CN 108595226 A CN108595226 A CN 108595226A CN 201810437000 A CN201810437000 A CN 201810437000A CN 108595226 A CN108595226 A CN 108595226A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44521—Dynamic linking or loading; Link editing at or after load time, e.g. Java class loading
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Abstract
This application discloses a kind of dynamic loading method, device and computer readable storage mediums, belong to field of computer technology.The method includes：During intended application is run, the dynamic load Android installation kit APK of intended application is obtained from specified folder, dynamic load APK includes at least one sharing DLL SO files, and dynamic load APK is the APK for carrying out silent load during intended application is run for terminal of intended application；SO file linkers are run, SO file linkers are obtained after being installed to the SO file linkers APK that server is sent；SO files are loaded from dynamic load APK by SO files linker.Technical solution provided by the present application can improve the success rate of APK dynamic loads, ensure the reliability of APK dynamic loads.
Description
Technical field
This application involves field of computer technology, more particularly to a kind of dynamic loading method, device and computer-readable deposit
Storage media.
Background technology
APK (Android Package, Android installation kit) Dynamic loading technique is a kind of quiet during application operation
The silent technology for loading APK, wherein usually the APK for carrying out silent load using APK Dynamic loading techniques can be known as dynamic and added
Carry APK.For example, when needing to upgrade application, terminal can download the APK applied after upgrading from server and (that is to say
Dynamic load APK), and during application operation, the APK applied after the upgrading is loaded using APK Dynamic loading techniques, from
And achieve the effect that upgrade application under the premise of not interfering user.Under normal conditions, APK includes SO (shared
Object, sharing DLL) file, load the important link that the SO files in APK are APK Dynamic loading techniques.
In the related technology, during dynamic load, terminal can unzip it dynamic load APK processing, and
Multiple files that decompression obtains are stored into specified folder, then, terminal can one by one be loaded with calling system interface should
Decompress the SO files that obtained multiple files include.
Since system interface is only capable of loading the SO files obtained after decompression, the relevant technologies are into action
When state loads, need to unzip it processing to APK.However, during decompression it is easy to appear de-compression failure or
After decompression the problem of file corruption, simultaneously as terminal is required for calling primary system interface when loading every SO files,
Therefore, the relevant technologies are likely to require frequent calling system interface in a short time when carrying out dynamic load, these all can shadow
The success rate for ringing APK dynamic loads, causes the reliability of APK dynamic loads relatively low.
Apply for content
The embodiment of the present application provides a kind of dynamic loading method, device and computer readable storage medium, can solve
The relatively low problem of APK dynamic load reliabilities.The technical solution is as follows：
On the one hand, a kind of dynamic loading method is provided, the method includes：
During intended application is run, the dynamic load Android peace of the intended application is obtained from specified folder
Dress packet APK, the dynamic load APK includes at least one sharing DLL SO files, and the dynamic load APK is described
The APK for carrying out silent load during the intended application is run for terminal of intended application；
SO file linkers are run, the SO files linker is carried out to the SO file linkers APK that server is sent
It is obtained after installation；
SO files are loaded from the dynamic load APK by the SO files linker.
On the one hand, a kind of dynamic loading device is provided, described device includes：
Acquisition module, for during intended application is run, the intended application to be obtained from specified folder
Dynamic load Android installation kit APK, the dynamic load APK include at least one sharing DLL SO files, described dynamic
State load APK is the intended application for carrying out silent load during the intended application is run for terminal
APK；
Module is run, for running SO file linkers, the SO files linker is the SO files sent to server
What linker APK was obtained after being installed；
First load-on module, for loading SO files from the dynamic load APK by the SO files linker.
On the one hand, provide a kind of terminal, the terminal includes processor and memory, be stored in the memory to
A few instruction, described instruction are loaded by the processor and are executed to realize dynamic load side provided by the embodiments of the present application
Method.
On the one hand, provide a kind of computer readable storage medium, be stored in the computer readable storage medium to
A few instruction, described instruction are loaded by processor and are executed to realize dynamic loading method provided by the embodiments of the present application.
The advantageous effect that technical solution provided by the embodiments of the present application is brought is：
By the way that during dynamic load APK, SO texts are loaded directly from dynamic load APK using SO files linker
Part, wherein the SO file linkers are obtained after being installed to the SO file linkers APK that server is sent so that eventually
End need not unzip it dynamic load APK in dynamic load APK processing, also not need calling system interface, to
The success rate of APK dynamic loads can be improved, ensures the reliability of APK dynamic loads.
Description of the drawings
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present application, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of schematic diagram of implementation environment provided by the embodiments of the present application.
Fig. 2 is a kind of flow chart of dynamic loading method provided by the embodiments of the present application.
Fig. 3 is a kind of flow chart of dynamic loading method provided by the embodiments of the present application.
Fig. 4 is a kind of flow chart of dynamic loading method provided by the embodiments of the present application.
Fig. 5 is a kind of flow chart of dynamic loading method provided by the embodiments of the present application.
Fig. 6 is a kind of structural schematic diagram of dynamic loading device provided by the embodiments of the present application.
Fig. 7 is a kind of structural schematic diagram of dynamic loading device provided by the embodiments of the present application.
Fig. 8 is a kind of structural schematic diagram of terminal provided by the embodiments of the present application.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the application clearer, below in conjunction with attached drawing to the application embodiment party
Formula is described in further detail.
Currently, APK (Android Package, Android installation kit) Dynamic loading technique is increasingly common.Example
Such as, terminal can upgrade application using APK Dynamic loading techniques, in another example, when there is loophole in application, server
The APK of reparation can be issued in terminal, during application operation, terminal can utilize APK Dynamic loading techniques
The APK for loading the reparation, to repair using loophole, in another example, need certain functions that are of little use using application in user
When, terminal can be from server download function modules A PK, during application operation, and terminal can utilize APK dynamic loads
Technology loads function module APK, and function to be used is needed to provide to the user.
Under normal conditions, it in APK may include SO (Shared Object, sharing DLL) files and dex
(Dalvik VM executes, Dalvik virtual machine executable program) file.Wherein, SO files are alternatively referred to as local library (English
Text：Native library) file is Android (English：It is Android) a kind of in system to be write using C language or C Plus Plus,
The binary file compiled using NDK (Native Development Kit, primary development kit), is similar to
Dll (Dynamic Link Library, dynamic link library) file in Windows systems.Dex files are by multiple classes (English：
Class) file forms, and is a kind of executable file in Android system, the exe being similar in Windows systems
(executable program, executable program) file.In practical application, dex files can call during execution
SO files, to realize the function of SO files, wherein during dynamic load, the dex files in dynamic load APK are in quilt
The SO files after being loaded in dynamic load APK can be called after load, to realize the function of SO files in dynamic load APK.
In the related technology, during APK dynamic loads, dynamic load APK can be unziped it processing by terminal,
And store multiple files that decompression obtains into specified folder, then, terminal can be with calling system interface (English：
System API) SO files in the specified folder are loaded one by one, wherein a SO file is often loaded, terminal is required for adjusting
With primary system interface.
Since the relevant technologies need to unzip it processing to dynamic load APK when carrying out APK dynamic loads, and,
It is required for calling primary system interface when loading every SO files, therefore, it is easy to appear dynamic load APK decompressions for the relevant technologies
After contracting failure or decompression the problem of file corruption, meanwhile, the relevant technologies are likely to require frequent calling system in a short time
Interface, these can all influence the success rate of APK dynamic loads, cause the reliability of APK dynamic loads relatively low.
The embodiment of the present application provides a kind of dynamic loading method, which can utilize SO file linkers
SO files are loaded directly from dynamic load APK, this allows for terminal need not be to dynamic load APK in dynamic load APK
Processing is unziped it, calling system interface is not needed yet, is damaged so as to avoid the occurrence of file after de-compression failure, decompression
The problem of bad and frequent calling system interface, therefore, it is dynamic that dynamic loading method provided by the embodiments of the present application can improve APK
The success rate of state load, ensures the reliability of APK dynamic loads.Further, since dynamic load side provided by the embodiments of the present application
Method (need not that is to say serially) and be loaded to the SO files in dynamic load APK one by one, therefore, it is possible to reduce to dynamic
It loads APK and carries out taking for dynamic load, improve the efficiency of APK dynamic loads.
In the following, by being illustrated to the implementation environment involved by dynamic loading method provided by the embodiments of the present application.
Fig. 1 is a kind of schematic diagram of implementation environment involved by dynamic loading method provided by the embodiments of the present application, such as
Shown in Fig. 1, which may include terminal 101 and server 102.Wherein, terminal 101 and server 102 can pass through
Wired or wireless mode is communicated, and terminal 101 can be smart mobile phone, computer, tablet computer, wearable device, MP3
Player (Moving Picture Experts Group Audio Layer III, dynamic image expert's compression standard audio
Level 3), MP4 (Moving Picture Experts Group Audio Layer IV, dynamic image expert's compression standard sound
Frequency level 4) player, E-book reader or mobile unit etc., terminal 101 can be equipped with Android operation system and at least
One application, server 102 can be a server, or the server cluster being made of multiple servers.
Referring to FIG. 2, it illustrates a kind of flow chart of dynamic loading method provided by the embodiments of the present application, which adds
Support method can be applied in the terminal 101 in Fig. 1.As shown in Fig. 2, the dynamic loading method may comprise steps of：
Step 201, during intended application is run, the dynamic that terminal obtains intended application from specified folder adds
Carry APK.
The intended application can be any application for installing in terminal, for example, the intended application can be browser application,
Video playing application, social networking application or instant messaging application etc..Dynamic load APK is to be carried out using APK Dynamic loading techniques
The APK of silence load, that is to say, dynamic load APK is the process for being run in intended application for terminal of intended application
The middle APK for carrying out silent load, dynamic load APK are the APK without decompression, dynamic load APK be according to
The APK that APK encapsulation format is packaged, dynamic load APK are the compressed package files in Android system, dynamic load APK
Can be the APK applied after upgrading, the APK or function module APK etc. of reparation, dynamic load APK may include at least
One SO file, optionally, in the embodiment of the present application, dynamic load APK can also include at least one dex files.
It should be pointed out that in the embodiment of the present application, when intended application is browser application, dynamic load APK
Can be browser kernel APK.
Step 202, terminal operating SO file linkers.
SO files linker (English：Linker it is) a kind of for loading the tool classes of SO files in Android system
Sequence.In the embodiment of the present application, SO files linker can be that the SO file linkers APK that terminal-pair server is sent is pacified
It is obtained after dress, which can be madness SO files linker (English：crazy linker).
Step 203, terminal load SO files by SO files linker from dynamic load APK.
In conclusion dynamic loading method provided by the embodiments of the present application, by during dynamic load APK, profit
SO files are loaded directly from dynamic load APK with SO files linker, wherein the SO file linkers are sent to server
SO file linkers APK installed after obtain so that terminal need not be to dynamic load APK in dynamic load APK
Processing is unziped it, calling system interface is not needed yet, so as to improve the success rate of APK dynamic loads, ensures that APK is dynamic
The reliability of state load.
Referring to FIG. 3, it illustrates a kind of flow chart of dynamic loading method provided by the embodiments of the present application, which adds
Support method can be applied in the terminal 101 in Fig. 1.As shown in figure 3, the dynamic loading method may comprise steps of：
Step 301, terminal download the dynamic load APK of intended application from server, and by dynamic load APK store to
In specified folder.
As described above, terminal can download dynamic load APK when needing to upgrade intended application from server,
Dynamic load APK can be the APK of the intended application after upgrading, and in subsequent step, terminal can be by adding the dynamic
It carries APK and carries out dynamic load and escalation target application.Terminal can also receive server when intended application starts a leak and issue
Dynamic load APK, dynamic load APK can be the APK of reparation, and in subsequent step, terminal can be by dynamic to this
State loads APK progress dynamic loads and repairs the loophole of intended application.Terminal can also be needed in user using intended application
It is a certain be of little use function when from server download dynamic load APK, dynamic load APK can be function module APK, rear
In continuous step, terminal can provide the function that is of little use to the user by carrying out dynamic load to dynamic load APK.When
So, in the embodiment of the present application, terminal can also download the dynamic load of intended application under other opportunitys from server
APK, the embodiment of the present application just do not repeat one by one herein.
After downloading to dynamic load APK in server, terminal can store dynamic load APK to specified text
In part folder, wherein the specified folder can be a file under intended application installation directory, for example, the specified file
Folder can be the data/packagename files under intended application installation directory.
Step 302, during intended application is run, terminal obtains dynamic load APK from specified folder.
After download obtains dynamic load APK, terminal can be during intended application be run to the dynamic load
APK carries out dynamic load, wherein the technical process that terminal-pair dynamic load APK carries out dynamic load may include step 302 to
Step 305.
In one possible implementation, terminal can be in the preset duration downloaded after obtaining dynamic load APK
Dynamic load is carried out to dynamic load APK, that is to say, terminal can be when downloading default after obtaining dynamic load APK
The step of dynamic load APK is obtained from specified folder is executed in long.Ensure that terminal can be at the first time in this way
Dynamic load is carried out to dynamic load APK, so as to repair the loophole of intended application in time, alternatively, can be to use in time
Family provides required function.It should be pointed out that the preset duration can in advance be set by technical staff, the application is implemented
Example is not especially limited this.
In alternatively possible realization method, terminal can be periodically or real after download obtains dynamic load APK
When detection terminal processor load, and when the load of processor is less than default load threshold to dynamic load APK into
Mobile state loads, and that is to say, terminal can be executed when the load of processor is less than default load threshold from specified folder
The step of obtaining dynamic load APK.Carrying out dynamic load to dynamic load APK when the load of processor is smaller can be to avoid dynamic
State load affects the normal operation of intended application.Wherein, above-mentioned default load threshold can be pre- advanced by technical staff
Row setting, the embodiment of the present application are not especially limited this.
Step 303, terminal operating SO file linkers.
After getting dynamic load APK in specified folder, terminal can run SO file linkers, SO texts
Part linker is obtained after the SO file linkers APK that terminal-pair server is sent is installed.
In a kind of possible realization method, during intended application is run, it is dynamic that server can send this to terminal
State loads APK and SO file linkers APK.
In this realization method, during intended application is run, the dynamic that terminal can receive server transmission adds
APK and SO file linker APK are carried, then, terminal can store dynamic load APK into specified folder, and to this
SO file linkers APK is installed, to obtain the SO file linkers.
It should be pointed out that in some cases, terminal may carry out dynamic load to other APK in history,
It that is to say, the SO file linkers may be already installed in terminal.At this point, terminal can send instruction information to server,
The instruction information, which is used to indicate in terminal, is already installed with SO file linkers, server after receiving the instructions,
Intended application only can send dynamic load APK during running to terminal, without sending SO file linkers to terminal
APK.Alternatively, in the case of being already installed with SO file linkers in the terminal, terminal can not send server in instruction letter
Breath, but to the SO file linkers after the dynamic load APK and SO file linker APK for receiving server transmission
APK is deleted.
Wherein, in the case where being already installed with SO file linkers, terminal to server sends instruction information and can keep away
Exempt from server to repeat to send SO file linker APK, so as to save the communication bandwidth between server and terminal.
In the case of being equipped with SO file linkers, terminal does not send instruction information to server, but is sent receiving server
Dynamic load APK and SO file linker APK after SO file linkers APK is deleted, it is possible to reduce server
Interaction times between terminal improve the efficiency of dynamic load so as to simplify the flow of dynamic load.
In alternatively possible realization method, when terminal installs the intended application, server can be sent to terminal
Intended application APK's and SO file linkers APK, wherein intended application APK for terminal for being installed to obtain the mesh
Mark application.
In this realization method, terminal during installation targets are applied, answer by the target that can receive server transmission
With APK and SO file linker APK, then, terminal can install intended application APK, obtain the intended application, together
When, terminal can install SO file linkers APK, obtain the SO file linkers.
In the embodiment of the present application, SO file linkers APK can be packaged in intended application APK, that is to say, the SO
File linker APK can be located in intended application APK.
Step 304, terminal load SO files by SO files linker from dynamic load APK.
After having run SO file linkers, terminal can be by the SO files linker directly from dynamic load APK
Middle load SO files, to realize the dynamic load to dynamic load APK.
In the following, the embodiment of the present application will load SO texts by SO files linker to terminal directly from dynamic load APK
The technical process of part illustrates, which may include step A1 to step A4：
A1, terminal parse dynamic load APK by SO files linker, obtain SO files in dynamic load APK
Offset address (English：offset).
Optionally, which can be under the premise of unziping it processing, from this to dynamic load APK
The offset address of SO files is obtained in the compressed file information of dynamic load APK.
A2, terminal extract SO files by SO files linker according to the offset address from dynamic load APK.
A3, terminal are stored the SO files extracted into the designated position of memory by SO files linker.
Wherein, the SO files that designated position stores in memory for the dex files in dynamic load APK for being called.
The SO files of designated position are relocated in A4, terminal-pair memory.
So-called " reorientation " refers to：After SO files to be stored to the designated position to memory, establish SO files with it is current
The mapping relations of storage location.
Directly the SO files in dynamic load APK can be stored to the designated position of memory by SO files linker
In, in this way, the dex files in dynamic load APK can be called the SO files, to realize the function of SO files.
In actual implementation, certain SO file in dynamic load APK possibly relies on other SO files and (says for convenience
It is bright, hereinafter unify others SO files being known as target SO files), wherein SO files A is referred to dependent on SO files B
Dex files must first call SO file B when calling SO file A, if dex files call the B failures of SO files, dex files are just
SO files A can not be called.
When certain SO file in dynamic load APK depends on target SO files, terminal needs to load target SO files
It just can guarantee that certain SO file can be loaded dynamically the dex file normal calls in APK, wherein load target SO files refer to
Be to store target SO files into the designated position of memory.
In the related technology, when certain SO file in dynamic load APK depends on target SO files, terminal can inquire behaviour
Make the SO libraries (English of system：System library), it is stored with target SO files in the SO libraries of operating system
When, terminal can load the target SO files in the SO libraries of the operating system with calling system interface.However, in operating system
SO libraries in when not storing target SO files, terminal can not just load target SO files, in this case, should
Certain SO file in dynamic load APK just can not be by dex file normal calls, to be likely to result in dynamic load APK's
Load failure.
There is the possibility to fail to reduce dynamic load, in the embodiment of the present application, SO files linker can be tieed up
A SO library is protected, can be stored with SO file linker history in the SO libraries which safeguards loaded
SO files, optionally, in the embodiment of the present application, terminal can will be in above-mentioned dynamic load APK by SO files linker
SO files store in the SO libraries safeguarded to the SO file linkers.When no storage mesh in the SO libraries of operating system
When marking SO files, terminal can inquire the SO libraries of SO file linkers maintenance, with what is safeguarded in the SO file linkers
When being stored with target SO files in SO libraries, target SO files are loaded.
Optionally, in the embodiment of the present application, terminal can be by SO files linker to being extracted in above step A2
SO files parsed, to determine whether the SO files literary dependent on others SO from the format information section of the SO files
Part, and obtain the identification information (identification information that is to say target SO files) of the SO files of dependence.Terminal can be according to target
The SO libraries of the identification information-enquiry operating system of SO files, it is literary when being stored with target SO in the SO libraries of the operating system
When part, terminal can be loaded by 14 linker of SO files or by calling system interface in the SO libraries of the operating system
Target SO files.When not being stored with target SO files in the SO libraries of the operating system, terminal can pass through SO files
Linker, according to the SO libraries of the identification information-enquiry of target SO files SO file linkers maintenance, when the SO file chains
It connects in the SO libraries of device maintenance when being stored with target SO files, terminal can be by SO files linker from the SO file chains
It connects and obtains target SO files in the SO libraries of device maintenance, and the target SO files got are stored to the designated position of memory
In.
Step 305, terminal pass through dex Classloaders (English：Dex Class Loader) it is loaded from dynamic load APK
Dex files.
Dex Classloaders are a kind of included tool classes being used for dynamic load dex files or jar file of Android system
Sequence, from the official document of dex Classloaders：Dex Classloaders are stored in file dalvik/system/
In DexClassLoader, the dalvik/system/DexClassLoader files and dalvik/system/
BaseClassLoader files are located in java/lang/ClassLoader files, the java/lang/
ClassLoader files are located in java/lang/object files.
During dynamic load APK, the dex files in dynamic load APK can be stored in interior by dex Classloaders
In depositing, and the dex files are run in memory, which can call in memory designated position in the process of running
SO files, to realize the function of SO files.
It should be pointed out that step 305 can execute after step 303 and step 304, can also in step 303 and
It executes, can also be performed simultaneously with step 303 and step 304, the embodiment of the present application is to step 303, step before step 304
304 and step 305 execute sequencing be not construed as limiting.
Technical solution provided by the embodiments of the present application is understood for the ease of reader, in the following, the embodiment of the present application will be with target
Using to be illustrated to technical solution provided by the embodiments of the present application for browser application：
As illustrated in the flow diagram of fig. 4, user need using browser application it is a certain be of little use function when, the browser
Using that can execute step 21, in step 21, which can download browser kernel APK from server.Then,
SDK in browser application can execute step 22, and in step 22, which can store browser kernel APK to specified
In file, which can be the data/packagename files under browser application installation directory.Browsing
Device application can execute step 23 in the process of running, and in step 23, which can be according to the demand of user
Create a webpage.Then, the SDK in browser application can execute step 24, and in step 24, which can call dex
Classloader, and dex files are loaded from browser kernel APK by dex Classloaders.Then, the kernel of browser application
Step 25 can be executed, in step 25, the kernel of the browser application can run mad SO files linker, and by crazy
Mad SO files linker loads the SO files in dynamic load APK.
As illustrated in the flow chart of figure 5, the step 25 in Fig. 4 may include sub-step 251 and sub-step 252, wherein browsing
The kernel of device application can execute sub-step 251, and in sub-step 251, the kernel of browser application can be in the target of system
It is obtained in file and runs mad SO files linker.Then, the kernel of browser application can execute sub-step 252,
In sub-step 252, the kernel of browser application can load SO texts by mad SO files linker from browser kernel APK
Part.
As shown in figure 5, the sub-step 252 may include sub-step 2521 to sub-step 2527, wherein mad SO files chain
Sub-step 2521 can be executed by connecing device, and in sub-step 2521, mad SO files linker can parse browser kernel APK,
To obtain the offset address of SO files in browser kernel APK.Then, mad SO files linker can execute sub-step
2522, in sub-step 2522, mad SO files linker can extract SO files from browser kernel APK, and will extraction
SO files store to the designated position of memory.Mad SO files linker can execute sub-step 2523, in sub-step 2523
In, mad SO files linker can determine the target SO files that the SO files extracted are relied on.Then, mad SO files chain
Sub-step 2524 can be executed by connecing device, and in sub-step 2524, mad SO files linker can be looked into system SO libraries
Ask target SO files.When not inquiring target SO files in system SO libraries, mad SO files linker can be held
Row sub-step 2525, in sub-step 2525, mad SO files linker can be in the SO texts that mad SO files linker is safeguarded
Target SO files are inquired in part library.When inquiring target SO files in the SO libraries that mad SO files linker is safeguarded,
Mad SO files linker can execute sub-step 2526, and in sub-step 2526, mad SO files linker can be by target
SO files are stored to the designated position of memory.Then, mad SO files linker can execute sub-step 2527, in sub-step
In 2527, mad SO files linker can relocate SO files.
In conclusion dynamic loading method provided by the embodiments of the present application, by during dynamic load APK, profit
SO files are loaded directly from dynamic load APK with SO files linker, wherein the SO file linkers are sent to server
SO file linkers APK installed after obtain so that terminal need not be to dynamic load APK in dynamic load APK
Processing is unziped it, calling system interface is not needed yet, so as to improve the success rate of APK dynamic loads, ensures that APK is dynamic
The reliability of state load.
Referring to FIG. 6, it illustrates a kind of block diagram of dynamic loading device 400 provided by the embodiments of the present application, the dynamic
Loading device 400 can be configured in terminal 101 shown in FIG. 1.As shown in fig. 6, the dynamic loading device 400 may include：
Acquisition module 401, operation module 402 and the first load-on module 403.
The acquisition module 401, for during intended application is run, the intended application to be obtained from specified folder
Dynamic load APK, dynamic load APK includes at least one SO files, and dynamic load APK is intended application for supplying
Terminal carries out the APK of silent load during intended application is run.
The operation module 402, for running SO file linkers, which is the SO texts sent to server
What part linker APK was obtained after being installed.
First load-on module 403, for loading SO files from dynamic load APK by the SO files linker.
In one embodiment of the application, first load-on module 403, for dynamic to this by the SO files linker
State load APK is parsed, and the offset address of SO files in dynamic load APK is obtained；According to the offset address, pass through the SO
File linker extracts SO files from dynamic load APK；The SO files extracted are stored by the SO files linker
Into memory, the SO files in the memory are used to be called for the dex files in dynamic load APK.
In one embodiment of the application, which is additionally operable to through the SO file linkers to carrying
The SO files got are parsed, and determine that target SO files, target SO files are relied on by the SO files that this is extracted；Work as behaviour
When making not being stored with target SO files in the SO libraries of system, which is inquired by the SO file linkers
SO libraries, be stored with the SO files that the SO file linker history loaded in the SO libraries of the SO file linkers；
When being stored with target SO files in the SO libraries of the SO file linkers, by the SO files linker from the SO files
Target SO files are obtained in the SO libraries of linker, and the target SO files got are stored into the memory.
In one embodiment of the application, which is browser application, and dynamic load APK is in browser
Core APK, the SO file linkers are madness SO file linkers.
Fig. 7 shows the block diagram of another dynamic loading device 500 provided by the embodiments of the present application, as shown in fig. 7, this is dynamic
State loading device 500 can also include receiving module other than it may include modules that dynamic loading device 400 includes
404, memory module 405, installation module 406 and the second load-on module 407.
Wherein, the receiving module 404, the dynamic sent for during intended application is run, receiving server
Load APK and SO file linkers APK.
The memory module 405, for storing dynamic load APK into the specified folder.
The installation module 406 obtains the SO file linkers for being installed to SO file linkers APK.
The receiving module 404 is additionally operable in installation targets in application, receiving the intended application APK of server transmission and being somebody's turn to do
SO file linkers APK, wherein intended application APK for terminal for being installed to obtain intended application.
The installation module 406 obtains the intended application for being installed to intended application APK.
The installation module 406 obtains the SO file linkers for being installed to SO file linkers APK.
In one embodiment of the application, SO file linkers APK is located in intended application APK.
The memory module 405, for storing the SO files in dynamic load APK into the SO libraries.
Second load-on module 407, for loading dex files from dynamic load APK by dex Classloaders.
In conclusion dynamic loading method provided by the embodiments of the present application, by during dynamic load APK, profit
SO files are loaded directly from dynamic load APK with SO files linker, wherein the SO file linkers are sent to server
SO file linkers APK installed after obtain so that terminal need not be to dynamic load APK in dynamic load APK
Processing is unziped it, calling system interface is not needed yet, so as to improve the success rate of APK dynamic loads, ensures that APK is dynamic
The reliability of state load.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
Fig. 8 shows the structure diagram for the terminal 600 that an illustrative embodiment of the invention provides.The terminal 600 can be with
It is：Smart mobile phone, tablet computer, MP3 player, MP4 players, laptop or desktop computer.Terminal 600 be also possible to by
Referred to as other titles such as user equipment, portable terminal, laptop terminal, terminal console.
In general, terminal 600 includes：Processor 601 and memory 602.
Processor 601 may include one or more processing cores, such as 4 core processors, 8 core processors etc..Place
DSP (Digital Signal Processing, Digital Signal Processing), FPGA (Field- may be used in reason device 601
Programmable Gate Array, field programmable gate array), PLA (Programmable Logic Array, may be programmed
Logic array) at least one of example, in hardware realize.Processor 601 can also include primary processor and coprocessor, master
Processor is the processor for being handled data in the awake state, also referred to as CPU (Central Processing
Unit, central processing unit)；Coprocessor is the low power processor for being handled data in the standby state.
In some embodiments, processor 601 can be integrated with GPU (Graphics Processing Unit, image processor),
GPU is used to be responsible for the rendering and drafting of content to be shown needed for display screen.In some embodiments, processor 601 can also wrap
AI (Artificial Intelligence, artificial intelligence) processor is included, the AI processors are for handling related machine learning
Calculating operation.
Memory 602 may include one or more computer readable storage mediums, which can
To be non-transient.Memory 602 may also include high-speed random access memory and nonvolatile memory, such as one
Or multiple disk storage equipments, flash memory device.In some embodiments, the non-transient computer in memory 602 can
Storage medium is read for storing at least one instruction, at least one instruction is for performed to realize this Shen by processor 601
Please in embodiment of the method provide dynamic loading method.
In some embodiments, terminal 600 is also optional includes：Peripheral device interface 603 and at least one peripheral equipment.
It can be connected by bus or signal wire between processor 601, memory 602 and peripheral device interface 603.Each peripheral equipment
It can be connected with peripheral device interface 603 by bus, signal wire or circuit board.Specifically, peripheral equipment includes：Radio circuit
604, at least one of touch display screen 605, camera 606, voicefrequency circuit 607, positioning component 608 and power supply 609.
Peripheral device interface 603 can be used for I/O (Input/Output, input/output) is relevant at least one outer
Peripheral equipment is connected to processor 601 and memory 602.In some embodiments, processor 601, memory 602 and peripheral equipment
Interface 603 is integrated on same chip or circuit board；In some other embodiments, processor 601, memory 602 and outer
Any one or two in peripheral equipment interface 603 can realize on individual chip or circuit board, the present embodiment to this not
It is limited.
Radio circuit 604 is for receiving and emitting RF (Radio Frequency, radio frequency) signal, also referred to as electromagnetic signal.It penetrates
Frequency circuit 604 is communicated by electromagnetic signal with communication network and other communication equipments.Radio circuit 604 turns electric signal
It is changed to electromagnetic signal to be sent, alternatively, the electromagnetic signal received is converted to electric signal.Optionally, radio circuit 604 wraps
It includes：Antenna system, RF transceivers, one or more amplifiers, tuner, oscillator, digital signal processor, codec chip
Group, user identity module card etc..Radio circuit 604 can be carried out by least one wireless communication protocol with other terminals
Communication.The wireless communication protocol includes but not limited to：Metropolitan Area Network (MAN), each third generation mobile communication network (2G, 3G, 4G and 5G), wireless office
Domain net and/or WiFi (Wireless Fidelity, Wireless Fidelity) network.In some embodiments, radio circuit 604 may be used also
To include the related circuits of NFC (Near Field Communication, wireless near field communication), the application is not subject to this
It limits.
Display screen 605 is for showing UI (User Interface, user interface).The UI may include figure, text, figure
Mark, video and its their arbitrary combination.When display screen 605 is touch display screen, display screen 605 also there is acquisition to show
The ability of the surface of screen 605 or the touch signal of surface.The touch signal can be used as control signal to be input to processor
601 are handled.At this point, display screen 605 can be also used for providing virtual push button and/or dummy keyboard, also referred to as soft button and/or
Soft keyboard.In some embodiments, display screen 605 can be one, and the front panel of terminal 600 is arranged；In other embodiments
In, display screen 605 can be at least two, be separately positioned on the different surfaces of terminal 600 or in foldover design；In still other reality
Apply in example, display screen 605 can be flexible display screen, be arranged on the curved surface of terminal 600 or fold plane on.Even, it shows
Display screen 605 can also be arranged to non-rectangle irregular figure, namely abnormity screen.LCD (Liquid may be used in display screen 605
Crystal Display, liquid crystal display), OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode)
Etc. materials prepare.
CCD camera assembly 606 is for acquiring image or video.Optionally, CCD camera assembly 606 include front camera and
Rear camera.In general, the front panel in terminal is arranged in front camera, rear camera is arranged at the back side of terminal.One
In a little embodiments, rear camera at least two is main camera, depth of field camera, wide-angle camera, focal length camera shooting respectively
Any one in head, to realize that main camera and the fusion of depth of field camera realize background blurring function, main camera and wide-angle
Camera fusion realizes that pan-shot and VR (Virtual Reality, virtual reality) shooting functions or other fusions are clapped
Camera shooting function.In some embodiments, CCD camera assembly 606 can also include flash lamp.Flash lamp can be monochromatic warm flash lamp,
It can also be double-colored temperature flash lamp.Double-colored temperature flash lamp refers to the combination of warm light flash lamp and cold light flash lamp, be can be used for not
With the light compensation under colour temperature.
Voicefrequency circuit 607 may include microphone and loud speaker.Microphone is used to acquire the sound wave of user and environment, and will
Sound wave, which is converted to electric signal and is input to processor 601, to be handled, or is input to radio circuit 604 to realize voice communication.
For stereo acquisition or the purpose of noise reduction, microphone can be multiple, be separately positioned on the different parts of terminal 600.Mike
Wind can also be array microphone or omnidirectional's acquisition type microphone.Loud speaker is then used to that processor 601 or radio circuit will to be come from
604 electric signal is converted to sound wave.Loud speaker can be traditional wafer speaker, can also be piezoelectric ceramic loudspeaker.When
When loud speaker is piezoelectric ceramic loudspeaker, the audible sound wave of the mankind can be not only converted electrical signals to, it can also be by telecommunications
Number the sound wave that the mankind do not hear is converted to carry out the purposes such as ranging.In some embodiments, voicefrequency circuit 607 can also include
Earphone jack.
Positioning component 608 is used for the current geographic position of positioning terminal 600, to realize navigation or LBS (Location
Based Service, location based service).Positioning component 608 can be the GPS (Global based on the U.S.
Positioning System, global positioning system), the dipper system of China, Russia Gray receive this system or European Union
The positioning component of Galileo system.
Power supply 609 is used to be powered for the various components in terminal 600.Power supply 609 can be alternating current, direct current,
Disposable battery or rechargeable battery.When power supply 609 includes rechargeable battery, which can support wired charging
Or wireless charging.The rechargeable battery can be also used for supporting fast charge technology.
In some embodiments, terminal 600 further include there are one or multiple sensors 610.The one or more sensors
610 include but not limited to：Acceleration transducer 611, gyro sensor 612, pressure sensor 613, fingerprint sensor 614,
Optical sensor 615 and proximity sensor 616.
The acceleration that acceleration transducer 611 can detect in three reference axis of the coordinate system established with terminal 600 is big
It is small.For example, acceleration transducer 611 can be used for detecting component of the acceleration of gravity in three reference axis.Processor 601 can
With the acceleration of gravity signal acquired according to acceleration transducer 611, control touch display screen 605 is regarded with transverse views or longitudinal direction
Figure carries out the display of user interface.Acceleration transducer 611 can be also used for game or the acquisition of the exercise data of user.
Gyro sensor 612 can be with the body direction of detection terminal 600 and rotational angle, and gyro sensor 612 can
To cooperate with acquisition user to act the 3D of terminal 600 with acceleration transducer 611.Processor 601 is according to gyro sensor 612
Following function may be implemented in the data of acquisition：When action induction (for example changing UI according to the tilt operation of user), shooting
Image stabilization, game control and inertial navigation.
The lower layer of side frame and/or touch display screen 605 in terminal 600 can be arranged in pressure sensor 613.Work as pressure
The gripping signal that user can be detected in the side frame of terminal 600 to terminal 600 is arranged in sensor 613, by processor 601
Right-hand man's identification or prompt operation are carried out according to the gripping signal that pressure sensor 613 acquires.When the setting of pressure sensor 613 exists
When the lower layer of touch display screen 605, the pressure operation of touch display screen 605 is realized to UI circle according to user by processor 601
Operability control on face is controlled.Operability control includes button control, scroll bar control, icon control, menu
At least one of control.
Fingerprint sensor 614 is used to acquire the fingerprint of user, collected according to fingerprint sensor 614 by processor 601
The identity of fingerprint recognition user, alternatively, by fingerprint sensor 614 according to the identity of collected fingerprint recognition user.It is identifying
When the identity for going out user is trusted identity, the user is authorized to execute relevant sensitive operation, the sensitive operation packet by processor 601
Include solution lock screen, check encryption information, download software, payment and change setting etc..Terminal can be set in fingerprint sensor 614
600 front, the back side or side.When being provided with physical button or manufacturer Logo in terminal 600, fingerprint sensor 614 can be with
It is integrated with physical button or manufacturer Logo.
Optical sensor 615 is for acquiring ambient light intensity.In one embodiment, processor 601 can be according to optics
The ambient light intensity that sensor 615 acquires controls the display brightness of touch display screen 605.Specifically, when ambient light intensity is higher
When, the display brightness of touch display screen 605 is turned up；When ambient light intensity is relatively low, the display for turning down touch display screen 605 is bright
Degree.In another embodiment, the ambient light intensity that processor 601 can also be acquired according to optical sensor 615, dynamic adjust
The acquisition parameters of CCD camera assembly 606.
Proximity sensor 616, also referred to as range sensor are generally arranged at the front panel of terminal 600.Proximity sensor 616
The distance between front for acquiring user and terminal 600.In one embodiment, when proximity sensor 616 detects use
When family and the distance between the front of terminal 600 taper into, touch display screen 605 is controlled from bright screen state by processor 601
It is switched to breath screen state；When proximity sensor 616 detects user and the distance between the front of terminal 600 becomes larger,
Touch display screen 605 is controlled by processor 601 and is switched to bright screen state from breath screen state.
It will be understood by those skilled in the art that the restriction of the not structure paired terminal 600 of structure shown in Fig. 8, can wrap
It includes than illustrating more or fewer components, either combine certain components or is arranged using different components.
The embodiment of the present application also provides a kind of computer readable storage medium, which is situated between for non-volatile memories
Matter is stored at least one instruction, at least one section of program, code set or instruction set in the storage medium, at least one instruction,
At least one section of program, the code set or the instruction set is loaded by processor and is executed to realize that the above embodiments of the present application such as provide
Dynamic loading method.
The embodiment of the present application also provides a kind of computer program product, it is stored with instruction in the computer program product,
When run on a computer so that computer is able to carry out dynamic loading method provided by the embodiments of the present application.
The embodiment of the present application also provides a kind of chip, which includes programmable logic circuit and/or program instruction, when
The chip is able to carry out dynamic loading method provided by the embodiments of the present application when running.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely the preferred embodiments of the application, not to limit the application, it is all in spirit herein and
Within principle, any modification, equivalent replacement, improvement and so on should be included within the protection domain of the application.
Claims (15)
1. a kind of dynamic loading method, which is characterized in that the method includes：
During intended application is run, the dynamic load Android installation kit of the intended application is obtained from specified folder
APK, the dynamic load APK include at least one sharing DLL SO files, and the dynamic load APK is the target
The APK for carrying out silent load during the intended application is run for terminal of application；
SO file linkers are run, the SO files linker is installed to the SO file linkers APK that server is sent
It obtains afterwards；
SO files are loaded from the dynamic load APK by the SO files linker.
2. according to the method described in claim 1, it is characterized in that, described obtain the intended application from specified folder
Before dynamic load Android installation kit APK, the method further includes：
During the intended application is run, the dynamic load APK and SO texts that the server is sent are received
Part linker APK；
The dynamic load APK is stored into the specified folder；
The SO files linker APK is installed, the SO files linker is obtained.
3. according to the method described in claim 1, it is characterized in that, described obtain the intended application from specified folder
Before dynamic load Android installation kit APK, the method further includes：
When installing the intended application, the intended application APK and the SO files linker that the server is sent are received
APK, the intended application APK are used to be installed to obtain the intended application for the terminal；
The intended application APK is installed, the intended application is obtained；
The SO files linker APK is installed, the SO files linker is obtained.
4. according to the method described in claim 3, it is characterized in that, the SO files linker APK is located at the intended application
In APK.
5. according to the method described in claim 1, it is characterized in that, described added by the SO files linker from the dynamic
It carries and loads SO files in APK, including：
The dynamic load APK is parsed by the SO files linker, obtains SO files in the dynamic load APK
Offset address；
According to the offset address, SO files are extracted from the dynamic load APK by the SO files linker；
The SO files extracted are stored into memory by the SO files linker, the SO files in the memory are for supplying
Dex files in the dynamic load APK are called.
6. according to the method described in claim 5, it is characterized in that, the dynamic load APK includes at least one dex texts
Part, the method further include：
Dex files are loaded from the dynamic load APK by dex Classloaders.
7. according to the method described in claim 5, it is characterized in that, described added by the SO files linker from the dynamic
It carries in APK after extraction SO files, the method further includes：
The SO files extracted are parsed by the SO files linker, determine target SO files, the target SO texts
Part is relied on by the SO files extracted；
When not being stored with the target SO files in the SO libraries of operating system, institute is inquired by the SO files linker
The SO libraries of SO file linkers are stated, the SO files linker is stored in the SO libraries of the SO files linker and is gone through
The SO files that history loaded；
When being stored with the target SO files in the SO libraries of the SO files linker, pass through the SO files linker
The target SO files are obtained from the SO libraries of the SO files linker, and the target SO files got are deposited
In storage to the memory.
8. the method according to the description of claim 7 is characterized in that the SO that will be extracted by the SO files linker
After file is stored into memory, the method further includes：
SO files in the dynamic load APK are stored into the SO libraries of the SO files linker.
9. according to the method described in claim 1, it is characterized in that, the intended application is browser application, the dynamic adds
Load APK is browser kernel APK, and the SO files linker is madness SO file linkers.
10. a kind of dynamic loading device, which is characterized in that described device includes：
Acquisition module, for during intended application is run, the dynamic of the intended application to be obtained from specified folder
It includes at least one sharing DLL SO files to load Android installation kit APK, the dynamic load APK, and the dynamic adds
Carry the APK for carrying out silent load during the intended application is run for terminal that APK is the intended application；
Module is run, for running SO file linkers, the SO files linker is the SO files link sent to server
What device APK was obtained after being installed；
First load-on module, for loading SO files from the dynamic load APK by the SO files linker.
11. device according to claim 10, which is characterized in that first load-on module is used for：
The dynamic load APK is parsed by the SO files linker, obtains SO files in the dynamic load APK
Offset address；
According to the offset address, SO files are extracted from the dynamic load APK by the SO files linker；
The SO files extracted are stored into memory by the SO files linker, the SO files in the memory are for supplying
Dex files in the dynamic load APK are called.
12. according to the devices described in claim 11, which is characterized in that the dynamic load APK includes at least one dex texts
Part, described device further include the second load-on module；
Second load-on module, for loading dex files from the dynamic load APK by dex Classloaders.
13. according to the devices described in claim 11, which is characterized in that first load-on module is additionally operable to：
The SO files extracted are parsed by the SO files linker, determine target SO files, the target SO texts
Part is relied on by the SO files extracted；
When not being stored with the target SO files in the SO libraries of operating system, institute is inquired by the SO files linker
The SO libraries of SO file linkers are stated, the SO files linker is stored in the SO libraries of the SO files linker and is gone through
The SO files that history loaded；
When being stored with the target SO files in the SO libraries of the SO files linker, pass through the SO files linker
The target SO files are obtained from the SO libraries of the SO files linker, and the target SO files got are deposited
In storage to the memory.
14. a kind of terminal, which is characterized in that the terminal includes processor and memory, is stored at least in the memory
One instruction, described instruction are loaded by the processor and are executed to realize the dynamic load as described in claim 1 to 9 is any
Method.
15. a kind of computer readable storage medium, which is characterized in that be stored at least one in the computer readable storage medium
Item instructs, and described instruction is loaded by processor and executed to realize the dynamic loading method as described in claim 1 to 9 is any.
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| CN201810437000.6A CN108595226B (en) | 2018-05-09 | 2018-05-09 | Dynamic loading method and device and computer readable storage medium |
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| CN201810437000.6A CN108595226B (en) | 2018-05-09 | 2018-05-09 | Dynamic loading method and device and computer readable storage medium |
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| CN113742002A (en) * | 2021-09-10 | 2021-12-03 | 上海达梦数据库有限公司 | Method, device, equipment and storage medium for acquiring dependency relationship of dynamic library |
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