CN106547564A - A kind of Android applications automatic update method and system based on reflex mechanism - Google Patents
A kind of Android applications automatic update method and system based on reflex mechanism Download PDFInfo
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- CN106547564A CN106547564A CN201611014851.7A CN201611014851A CN106547564A CN 106547564 A CN106547564 A CN 106547564A CN 201611014851 A CN201611014851 A CN 201611014851A CN 106547564 A CN106547564 A CN 106547564A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/51—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems at application loading time, e.g. accepting, rejecting, starting or inhibiting executable software based on integrity or source reliability
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/55—Detecting local intrusion or implementing counter-measures
- G06F21/56—Computer malware detection or handling, e.g. anti-virus arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/70—Software maintenance or management
- G06F8/71—Version control; Configuration management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/70—Software maintenance or management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
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Abstract
The invention discloses a kind of Android applications automatic update method and system based on reflex mechanism, the method is comprised the following steps:When S1, user open the application program for needing to update, the order that Android applications are automatically updated is performed, the application program of redaction is downloaded;S2, by the reflex mechanism of java, the installation procedure for obtaining android system calls service, calls service call installation kit management object and program automatic installation method therein by installation procedure;S3, the application program for being automatically switched off current version, are automatically updated to application program by program automatic installation method, and renewal returns installment state parameter after finishing;S4, according to the installment state parameter for returning, judge the application program that automatically updates whether install correctly, if install it is correct if automatically open up renewal after application program.The present invention need not obtain administrator right and can just complete to automatically update program, and renewal process better user experience.
Description
Technical field
The present invention relates to android system technical field, more particularly to a kind of Android based on reflex mechanism is using certainly
Dynamic update method and system.
Background technology
Android is applied increasing in recent years, and the version of each Android application frequently can update very much, but
It is that common update mode also needs to allow user's point to carry out some installations gone.This can cause anti-certain for more new procedures have of user
Sense, if a kind of scheme can allow program to realize automatically updating, this for the either developer person of beginning to use all be one very
Good scheme.The application of one side Android can timely use newest function.On the other hand, developer without go again consider
The compatibling problem of legacy version.
The current existing scheme that automatically updates all is to need user mobile phone to have root authority, and this is very quick for a user
Sense, because the risk of cellphone information leakage will be increased after having root authority.Therefore, for a user, in order to automatic
It is a thing do not calculated very much to update and give using root authority.
The content of the invention
The technical problem to be solved in the present invention is to need to obtain keeper's power for automatic software update in prior art
A kind of defect of limit, there is provided Android applications automatic update method and system based on reflex mechanism.
The technical solution adopted for the present invention to solve the technical problems is:
The present invention provides a kind of Android application automatic update methods based on reflex mechanism, comprises the following steps:
When S1, user open application program, if the version of application program renewal in need, Android is performed using certainly
The dynamic order for updating, downloads the application program of redaction, and the application program for completing installation in systems has been downloaded in acquisition
Bag path;
S2, by the reflex mechanism of java, the installation procedure for obtaining android system calls service, by installation procedure
Service call installation kit management object is called, and obtains the program automatic installation method in installation kit management object;
S3, the application program for being automatically switched off current version, are carried out to application program by program automatic installation method automatically
Update, renewal returns installment state parameter after finishing;
S4, according to the installment state parameter for returning, judge whether the application program that automatically updates is installed correctly, if installation is just
It is true then automatically open up update after application program.
Further, the installation procedure of the android system for obtaining in step S2 of the invention calls the service to be
Android.os.ServiceManager is serviced.
Further, the installation kit management object for calling in step S2 of the invention is IPackageManager objects.
Further, the program automatic installation method in step S2 of the invention is installPackage methods.
Further, the concrete side of program automatic installation method is obtained in step S2 of the invention by java reflex mechanisms
Method is:
S21, the forName methods obtained in android system class, insert parameter in forName methods
Android.os.ServiceManager is getting reflection class;
S22, by inserting parameter getService and String.class in system class getMethod, get anti-
The getService methods penetrated in class;
S23, by the invoke methods in system class getMethod to getService methods insert parameter null and
Package titles obtain IBinder methods;
S24, with reference to IBinder methods and Stub.asInterface methods, insert parameter IBinder and obtain what is generated
IPackageManager objects;
S25, the installPackage methods transferred in IPackageManager objects.
Further, the installment state parameter for returning in step S3 of the invention includes:basePackageName、
ReturnCode, msg and extras;Wherein:
Whether the title that basePackageName is used for the application program for judging installation is consistent, if title is consistent, continues
Execution automatically updates operation;If title is inconsistent, termination automatically updates operation;
ReturnCode is used to judge whether application program is installed successfully, if the value of returnCode is 1, then it represents that application
Program is installed successfully, calls startApp methods to open application program;If the value of returnCode is not 1, then it represents that apply journey
Sequence install failure.
Further, the method for the invention is also including the system-level method for distinguishing for lifting the program that automatically updates, concrete to wrap
Include:
If when automatically updating program and being limited by the authority that cell phone manufacturer is arranged, adding inside configuration list file
Then INSTALL_PACKAGE authorities are set to system level the uid of the application, add with subordinate under manifest labels
Property:
android:SharedUserId=" android.uid.system ".
The present invention provides a kind of Android application automatic update systems based on reflex mechanism, including:
Program start unit is automatically updated, for when user opens application program, if application program renewal in need
Version, perform the Android orders that automatically update of application, download the application program of redaction, and obtain to have downloaded and complete
Application program installation kit path in systems;
Reflex mechanism unit, for by the reflex mechanism of java, the installation procedure for obtaining android system calls clothes
Business, calls service call installation kit to manage object by installation procedure, and the program obtained in installation kit management object is pacified automatically
Dress method;
The automatic installation unit of program, for being automatically switched off the application program of current version, by program automatic installation method
Application program is automatically updated, renewal returns installment state parameter after finishing;
Programmed check unit, for according to the installment state parameter for returning, judging whether the application program for automatically updating pacifies
Dress is correct, and the application program after updating is automatically opened up if installing correctly.
Further, reflex mechanism unit of the invention includes:
Installation procedure calling module, the android.os.ServiceManager for obtaining system are serviced as installation
Routine call is serviced, and obtains the forName methods in system class, in forName methods inserts parameter
Android.os.ServiceManager is getting reflection class;
Installation kit manage object reference module, for insert in system class getMethod parameter getService and
String.class, gets the getService methods in reflection class, obtains IBinder side by getService methods
Method, and generate IPackageManager objects and carry out installation kit management object and call;
Automatic installation method calling module, for transferring in the PackageManager objects for carrying out installation kit management
InstallPackage methods.
Further, system of the invention also includes that the system that can be loaded in android system automatically updates program
Rank lift unit, for when the program that automatically updates is limited by the authority that cell phone manufacturer is arranged, in configuration list file
Then face addition INSTALL_PACKAGE authorities are set to system level the uid of the application, add under manifest labels
With properties:
android:SharedUserId=" android.uid.system ".
The beneficial effect comprise that:The Android application automatic update methods based on reflex mechanism of the present invention,
The automatic update method of system is obtained by reflex mechanism, without the root authority for obtaining android system, makes to install automatically
Cheng Gengjia safety, effectively prevents Malware from obtaining cellphone information by root authority;And the installation method is without the need for user
Click on and update, it is to avoid substantial amounts of application carries out impact of the frequent updating to Consumer's Experience, improve when user uses mobile phone
Comfort level;In addition, after automatic installation, detecting by the program to automatically updating, installation is further ensure that
Program accuracy, improve security.
Description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the flow chart of the embodiment of the present invention;
Fig. 2 is the particular flow sheet of the embodiment of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
As shown in figure 1, the Android application automatic update methods based on reflex mechanism of the embodiment of the present invention, including with
Lower step:
When S1, user open application program, if the version of application program renewal in need, Android is performed using certainly
The dynamic order for updating, downloads the application program of redaction, and the application program for completing installation in systems has been downloaded in acquisition
Bag path;
S2, by the reflex mechanism of java, the installation procedure for obtaining android system calls service, by installation procedure
Service call installation kit management object is called, and obtains the program automatic installation method in installation kit management object;Wherein, obtain
Android system installation procedure call service for android.os.ServiceManager service;The installation called is assured
Reason object is IPackageManager objects;Program automatic installation method is installPackage methods.
In step S2 by the concrete grammar of java reflex mechanisms acquisition program automatic installation method it is:
S21, the forName methods obtained in android system class, insert parameter in forName methods
Android.os.ServiceManager is getting reflection class;
S22, by inserting parameter getService and String.class in system class getMethod, get anti-
The getService methods penetrated in class;
S23, by the invoke methods in system class getMethod to getService methods insert parameter null and
Package titles obtain IBinder methods;
S24, with reference to IBinder methods and Stub.asInterface methods, insert parameter IBinder and obtain what is generated
IPackageManager objects;
S25, the installPackage methods transferred in IPackageManager objects.
S3, the application program for being automatically switched off current version, are carried out to application program by program automatic installation method automatically
Update, renewal returns installment state parameter after finishing;
Wherein, the installment state parameter of return includes:BasePackageName, returnCode, msg and extras;Its
In:
Whether the title that basePackageName is used for the application program for judging installation is consistent, if title is consistent, continues
Execution automatically updates operation;If title is inconsistent, termination automatically updates operation;
ReturnCode is used to judge whether application program is installed successfully, if the value of returnCode is 1, then it represents that application
Program is installed successfully, calls startApp methods to open application program;If the value of returnCode is not 1, then it represents that apply journey
Sequence install failure.
S4, according to the installment state parameter for returning, judge whether the application program that automatically updates is installed correctly, if installation is just
It is true then automatically open up update after application program.
Android system is divided into four grades according to its potential risk all of Permission (authority), i.e., "
normal"、"dangerous"、"signature"、"signatureOrSystem".And the corresponding authority of installation of APK is
INSTALL_PACKAGES, Permission Levels belong to both rear.Therefore, if necessary to realize automatically updating applying city in this programme
West, then need to carry out some special process, and this order installed sent by system.
In fact for application is updated, new apk files are installed to into mobile phone, and the application before overriding in mobile phone exactly
Program.Therefore, if will realize automatically updating, it is necessary to solve the problems, such as installation automatically, and in android system, system
The mounting means of core calls installPackageAsUser to perform installation, it is only necessary to by the apk peaces for needing to update
The filename of dress bag, the state value of installation, the bag name of installation, transmission are entered.And common installation file is also to pass through this
Individual process.In this programme, in order to reach the purpose for automatically updating, it is necessary to carry out in the case of user's unaware, so
The sentence can directly be called to perform installation in being accomplished by the application of let us.
As the sentence is that system is privately owned, it is impossible to directly invoke.Therefore, will realize calling using reflection in this programme
The purpose of its systems approach.
As shown in Fig. 2 in another specific embodiment of the present invention, the method is comprised the following steps:
1st, the android.os.ServiceManager services of system are obtained first;
Android.os.ServiceManager is the kernel program of system, calls him just call certain system
Program is using.But due to the interface that android.os.ServiceManager is not directly used, therefore we use
The reflex mechanism of Java is obtaining android.os.ServiceManager.
Its code is as follows:
Class<>Class=Class.forName (" android.os.ServiceManager ");// obtain object
Method method=class.getMethod (" getService ", String.class);// obtain its side
Method
IBinder iBinder=(IBinder) method.invoke (null, " package ");
By above-mentioned steps, the main services of system can be got, due in android system, installation procedure
Method can just call in main services.Therefore, as long as the main services of system are got by above-mentioned steps, it is possible to
To applying realization to automatically update.
2nd, this object of IPackageManager is taken in the android.os.ServiceManager services by obtaining;
After the system service code for obtaining Android, then the method for installing application can be got from the service,
Its code is as follows:
@SuppressWarnings("deprecation")
VerificationParams verificationParams=new VerificationParams (null,
null,null,VerificationParams.NO_UID,null);
3rd, the installPackage methods inside IPackageManager are called to be installed;
Previous step has obtained the class at installation method place, after getting, it is possible to directly use
Installpackage carrys out set up applications, installs code as follows:
ipm.installPackage(fileName,new PackageInstallObserver(),2,null,
verificationParams,"");// perform installation (method and detail parameters)
Perform in above-mentioned code, filename is incoming to update the more new directory that bag is located, and others are incoming as stated above
Can be updated.Now, the program that user opens will be automatically switched off, and after waiting a moment, program will be installed.
4th, update after finishing, automatically open up program;
Update to perform after finishing in this programme and automatically open up.It is in above-mentioned code to perform the results operation for updating
Perform in PackageInstallObserver, PackageInstallObserver be inherit in
IPackageInstallObserver2.Stub, for receiving the state after installing, wherein return parameters are had,
OnPackageInstalled is used for the state for showing to install, and the parameter returns 4 and is worth, String basePackageName,
int returnCode,String msg,Bundle extras。
Here, we need to judge the basePackageName whether PackageName installed by us first.
If what we were installed, then continue executing with, this time operate if not the then termination that we install.It is us when detecting
During the program installed, then start to judge whether returnCode is 1.If equal to 1, then conclude that the program is installed successfully, no
For 1, then failure is predicated.When the value is 1, we call startApp methods to perform the operation for opening the application program.
Due to the restriction of manufacturer on the mobile phone of part, need to add INSTALL_PACKAGE power inside configuration list file
Then limit is set to system level the uid of the application, adds with properties under manifest labels:
android:SharedUserId=" android.uid.system "
Application program just can be performed automatically using system command by renewal by such mode.When user mobile phone needs
When renewal is applied, it is only necessary to after current application is downloaded and finished, call said method to be capable of achieving to automatically update.
The Android application automatic update systems based on reflex mechanism of the embodiment of the present invention, it is of the invention real for realizing
The Android application automatic update methods based on reflex mechanism of example are applied, including:
Program start unit is automatically updated, for when user opens application program, if application program renewal in need
Version, perform the Android orders that automatically update of application, download the application program of redaction, and obtain to have downloaded and complete
Application program installation kit path in systems;
Reflex mechanism unit, for by the reflex mechanism of java, the installation procedure for obtaining android system calls clothes
Business, calls service call installation kit to manage object by installation procedure, and the program obtained in installation kit management object is pacified automatically
Dress method;
The automatic installation unit of program, for being automatically switched off the application program of current version, by program automatic installation method
Application program is automatically updated, renewal returns installment state parameter after finishing;
Programmed check unit, for according to the installment state parameter for returning, judging whether the application program for automatically updating pacifies
Dress is correct, and the application program after updating is automatically opened up if installing correctly.
Wherein, reflex mechanism unit includes:
Installation procedure calling module, the android.os.ServiceManager for obtaining system are serviced as installation
Routine call is serviced, and obtains the forName methods in system class, in forName methods inserts parameter
Android.os.ServiceManager is getting reflection class;
Installation kit manage object reference module, for insert in system class getMethod parameter getService and
String.class, gets the getService methods in reflection class, obtains IBinder side by getService methods
Method, and generate IPackageManager objects and carry out installation kit management object and call;
Automatic installation method calling module, for transferring in the PackageManager objects for carrying out installation kit management
InstallPackage methods.
The system also includes that the system that can be loaded in android system automatically updates the other lift unit of program level, uses
In when the program that automatically updates is limited by the authority that cell phone manufacturer is arranged, add INSTALL_ inside configuration list file
Then PACKAGE authorities are set to system level the uid of the application, add with properties under manifest labels:
android:SharedUserId=" android.uid.system ".
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted,
And all these modifications and variations should all belong to the protection domain of claims of the present invention.
Claims (10)
1. a kind of Android application automatic update methods based on reflex mechanism, it is characterised in that comprise the following steps:
When S1, user open application program, if the version of application program renewal in need, Android applications are performed automatically more
New order, downloads the application program of redaction, and the application program for completing installation kit road in systems has been downloaded in acquisition
Footpath;
S2, by the reflex mechanism of java, the installation procedure for obtaining android system calls service, is called by installation procedure
Service call installation kit manages object, and obtains the program automatic installation method in installation kit management object;
S3, the application program for being automatically switched off current version, are automatically updated to application program by program automatic installation method,
Renewal returns installment state parameter after finishing;
S4, according to the installment state parameter for returning, judge whether the application program that automatically updates is installed correctly, if installing correctly
Automatically open up the application program after updating.
2. Android application automatic update methods based on reflex mechanism according to claim 1, it is characterised in that step
The installation procedure of the android system obtained in rapid S2 calls service to service for android.os.ServiceManager.
3. Android application automatic update methods based on reflex mechanism according to claim 2, it is characterised in that step
The installation kit management object called in rapid S2 is IPackageManager objects.
4. Android application automatic update methods based on reflex mechanism according to claim 3, it is characterised in that step
Program automatic installation method in rapid S2 is installPackage methods.
5. Android application automatic update methods based on reflex mechanism according to claim 4, it is characterised in that step
In rapid S2 by the concrete grammar of java reflex mechanisms acquisition program automatic installation method it is:
S21, the forName methods obtained in android system class, insert parameter in forName methods
Android.os.ServiceManager is getting reflection class;
S22, by inserting parameter getService and String.class in system class getMethod, get reflection class
In getService methods;
S23, by the invoke methods in system class getMethod to getService methods insert parameter null and
Package titles obtain IBinder methods;
S24, with reference to IBinder methods and Stub.asInterface methods, insert parameter IBinder and obtain what is generated
IPackageManager objects;
S25, the installPackage methods transferred in PackageManager objects.
6. Android application automatic update methods based on reflex mechanism according to claim 1, it is characterised in that step
The installment state parameter returned in rapid S3 includes:BasePackageName, returnCode, msg and extras;Wherein:
Whether the title that basePackageName is used for the application program for judging installation is consistent, if title is consistent, continues executing with
Automatically update operation;If title is inconsistent, termination automatically updates operation;
ReturnCode is used to judge whether application program is installed successfully, if the value of returnCode is 1, then it represents that application program
Install successfully, call startApp methods to open application program;If the value of returnCode is not 1, then it represents that application program is pacified
Dress failure.
7. Android application automatic update methods based on reflex mechanism according to claim 1, it is characterised in that should
Method also including the system-level method for distinguishing for lifting the program that automatically updates, is specifically included:
If when automatically updating program and being limited by the authority that cell phone manufacturer is arranged, adding INSTALL_ inside configuration list file
Then PACKAGE authorities are set to system level the uid of the application, add with properties under manifest labels:
android:SharedUserId=" android.uid.system ".
8. a kind of Android application automatic update systems based on reflex mechanism, it is characterised in that include:
Program start unit is automatically updated, for when user opens application program, if the version of application program renewal in need
This, performs the Android orders that automatically update of application, downloads the application program of redaction, and obtain downloaded complete should
With program installation kit path in systems;
Reflex mechanism unit, for by the reflex mechanism of java, the installation procedure for obtaining android system calls service, leads to
Cross installation procedure and call service call installation kit management object, and obtain the side of installation automatically of the program in installation kit management object
Method;
The automatic installation unit of program, for being automatically switched off the application program of current version, by program automatic installation method correspondence
Automatically updated with program, renewal returns installment state parameter after finishing;
Programmed check unit, for according to the installment state parameter for returning, judging whether the application program for automatically updating just is installed
Really, the application program after automatically opening up renewal if installing correctly.
9. Android application automatic update systems based on reflex mechanism according to claim 8, it is characterised in that institute
Stating reflex mechanism unit includes:
Installation procedure calling module, the android.os.ServiceManager for obtaining system are serviced as installation procedure
Service is called, and obtains the forName methods in system class, parameter is inserted in forName methods
Android.os.ServiceManager is getting reflection class;
Installation kit manage object reference module, for insert in system class getMethod parameter getService and
String.class, gets the getService methods in reflection class, obtains IBinder side by getService methods
Method, and generate IPackageManager objects and carry out installation kit management object and call;
Automatic installation method calling module, for transferring in the PackageManager objects for carrying out installation kit management
InstallPackage methods.
10. Android application automatic update systems based on reflex mechanism according to claim 8, it is characterised in that should
System also includes that the system that can be loaded in android system automatically updates the other lift unit of program level, for automatically more
When new procedures are limited by the authority that cell phone manufacturer is arranged, add INSTALL_PACKAGE authorities inside configuration list file
Then the uid of the application is set to system level, is added with properties under manifest labels:
android:SharedUserId=" android.uid.system ".
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CN112416378A (en) * | 2020-12-02 | 2021-02-26 | 北京航智信息技术有限公司 | Cloud architecture system for silent installation of student mobile terminal application |
CN112416378B (en) * | 2020-12-02 | 2021-08-17 | 北京航智信息技术有限公司 | Cloud architecture system for silent installation of student mobile terminal application |
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