CN105426272A - Backup method and device for application programs - Google Patents

Abstract

The invention provides an application program backup method and device. The application program backup method includes: the terminal sends a query request to the application server, wherein the query request carries the identification information of the application program to be backed up; the terminal receives the query request response returned by the application server, wherein the query request response carries an indication The instruction information indicating whether the installation package of the application program to be backed up is stored on the application server; according to the instruction information, the terminal prohibits uploading the installation package of the first application program to be backed up to the backup server, and uploads the installation package stored on the application server to the backup server. The relevant information of an application program is uploaded to the backup server. The present invention can reduce the amount of uploaded data when the application program is backed up, shorten the time required for the application program backup, save the data traffic spent by the application program backup, and improve user experience.

Description

Application program backup method and device

technical field

The invention relates to the technical fields of communication and Internet applications, in particular to an application program backup method and device.

Background technique

In the related technology, when the operating system of the terminal is updated or flashed, in order to ensure that the application program (APP) installed before the operating system update or flash can be quickly installed, before the operating system is updated or flashed, the application program can be backed up to In the server, after the operating system is updated or flashed, the backup application program is restored from the server to the terminal.

In related technologies, when backing up an application program, the usual solution is to upload all data packages of the application program (including the installation package, for example, the apk data package in the Android system) to the server, and then restore it from the server Download to terminal to install. With this backup method, since the data volume of the installation package of the application program is relatively large, if there are many application programs backed up at one time, it will take a long upload time and data traffic, which reduces the user experience.

Contents of the invention

In view of the above problems, the present invention is proposed to provide an application program backup solution that overcomes the above problems or at least partially solves the above problems.

According to one aspect of the present invention, an application program backup method is provided, including: a terminal sends a query request to an application server, wherein the query request carries identification information of an application program to be backed up; the terminal receives the A query request response returned by the application server, wherein the query request response carries indication information indicating whether the installation package of the application program to be backed up is stored on the application server; the terminal, according to the indication information, It is forbidden to upload the installation package of the first application program to be backed up, the installation package of which is stored on the application server, to the backup server, and upload the relevant information of the first application program to the backup server.

Optionally, the method further includes: according to the indication information, the terminal saves the installation package of the second application to be backed up and the related information of the second application for which the installation package is not stored on the application server. The information is uploaded to the backup server.

Optionally, the relevant information includes: version information and verification data.

Optionally, the relevant information further includes: user data.

Optionally, before the terminal sends the query request to the application server, the method further includes: receiving an input backup application operation request; or detecting that a predetermined trigger event occurs.

According to another aspect of the present invention, an application program backup device is provided, including: a sending module, configured to send a query request to an application server, wherein the query request carries identification information of an application program to be backed up; receiving A module, configured to receive a query request response returned by the application server, wherein the query request response carries indication information indicating whether the installation package of the application program to be backed up is stored on the application server; the upload module , for prohibiting uploading the installation package of the first application to be backed up stored on the application server to the backup server according to the indication information, and uploading the relevant information of the first application to the Backup server.

Optionally, the uploading module is further configured to upload the installation package of the second application to be backed up and the related information of the second application for which the installation package is not stored on the application server according to the instruction information to the backup server.

Optionally, the relevant information includes: version information and verification data.

Optionally, the relevant information further includes: user data.

Optionally, the device further includes: a detection module, configured to detect whether an input backup application operation request is received, and if so, trigger the sending module to send the query request; or detect whether a predetermined If it is a trigger event, trigger the sending module to send the query request.

In the embodiment of the present invention, when backing up the application program, the terminal first inquires whether the application program to be backed up is stored in the application server. Relevant information is uploaded to the backup server, which reduces the amount of uploaded data, shortens the time required for application backup, saves the data traffic spent by application backup, and improves user experience.

The above description is only an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention, it can be implemented according to the contents of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable , the specific embodiments of the present invention are enumerated below.

Those skilled in the art will be more aware of the above and other objects, advantages and features of the present invention according to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiment. The drawings are only for the purpose of illustrating a preferred embodiment and are not to be considered as limiting the invention. Also throughout the drawings, the same reference numerals are used to designate the same components. In the attached picture:

FIG. 1 shows a flowchart of an application program backup method according to an embodiment of the present invention;

FIG. 2 shows a schematic structural diagram of an application program backup device according to an embodiment of the present invention; and

Fig. 3 shows a schematic structural diagram of an application program backup device according to another embodiment of the present invention.

detailed description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

In order to solve the above technical problem, an embodiment of the present invention provides an application program backup method. Fig. 1 shows a flowchart of an application program backup method according to an embodiment of the present invention. Referring to Fig. 1, the method at least includes step S102 to step S106.

In step S102, the terminal sends a query request to the application server, wherein the query request carries identification information of the application program to be backed up.

Step S104, the terminal receives the query request response returned by the application server, wherein the query request response carries indication information indicating whether the installation package of the application program to be backed up is stored on the application server.

Step S106, prohibiting the terminal from uploading the installation package of the first application to be backed up stored on the application server to the backup server according to the above instruction information, and uploading the relevant information of the first application to the backup service.

In the embodiment of the present invention, when the terminal backs up the application program, it first inquires whether the application program to be backed up is stored in the application server, and for the first application program whose installation package is stored in the application server, the installation package of the application program is not uploaded to the The backup server only uploads the relevant information of the application program to the backup server, thereby reducing the amount of uploaded data, saving backup time, and improving user experience.

In an optional implementation of the embodiment of the present invention, in step S106, it may also include: according to the instruction information, the terminal stores the installation package of the second application program to be backed up on the application server without the installation package and The relevant information of the second application program is uploaded to the backup server. That is, for the second application whose installation package is not stored in the application server, the terminal uploads the installation package and related information of the application to the backup server. Through this optional implementation manner, it can be guaranteed that only the application programs not in the application server are uploaded during backup, so as to save backup time while ensuring effective backup.

In practical applications, the terminal may need to back up multiple application programs at one time, the query request may include the identification information of the multiple application programs, and the application server may simultaneously return an indication of whether the installation packages of the multiple application programs are stored in the application server's Instruction information, for the first application program whose installation package is stored in the application server, the terminal only uploads the relevant information of this type of application program to the backup server, and does not upload the installation package of this type of application program to the backup server. For the second application whose installation package is not stored in the application server, the terminal uploads the installation package and related information of the application to the backup server. Therefore, it can be guaranteed that only the application programs not in the application server are uploaded during backup, so as to save backup time while ensuring effective backup.

In a specific application, the servers can be divided according to different functions. In an optional implementation of the embodiment of the present invention, the backup server can only be responsible for storing the relevant information of the application program uploaded by the terminal. When the installation package is installed, the backup server sends the installation package of the application to the storage server, and stores the installation package of the application in association with the relevant information of the application uploaded by the terminal at the storage address of the storage server.

In an optional implementation of the embodiment of the present invention, when backing up and restoring, for the first application whose installation package is stored in the application server, the backup server will back up the relevant information of the first application after receiving the restore request Send to the terminal, the terminal goes to the application server to request the installation package of the first application according to the relevant information of the first application, and the application server responds to the request of the terminal, and can send the installation package of the first application that is the same as the version backed up by the terminal To transmit to the terminal, the installation package of the latest version of the first application may also be transmitted to the terminal, which is not specifically limited in this embodiment.

In an optional implementation of the embodiment of the present invention, when the backup is restored, for the second application whose installation package is not stored in the application server, after the backup server receives the restore request, the backup server directly installs the second application The package is sent to the terminal for restoration.

In an optional implementation of the embodiment of the present invention, when the backup is restored, for the second application whose installation package is not stored in the application server, after the backup server receives the restore request, the backup server will install the second application The package is sent to the terminal at the storage address of the storage server, and the terminal can download the application installation package from the storage server according to the storage address; or, the backup server can also obtain the installation package of the second application program from the storage server, and the second The application's installation package is restored to the terminal.

In a specific application, for the backup information uploaded by the same user, the backup server may associate and save the identification information of the application program uploaded by the terminal, related information, and the storage address of the installation package.

In an optional implementation of the embodiment of the present invention, the relevant information of the application uploaded by the terminal in the above step S106 includes but not limited to: version information and verification data. When restoring, you can refer to the backup version information to select the appropriate version. In addition, according to the verification data, the integrity verification of the installation package of the application program uploaded by the terminal can be performed to ensure the data integrity of the uploaded installation package. When the backup is restored, the restored application can also be verified according to the verification data. The program performs an integrity check.

In an optional implementation of the embodiment of the present invention, the application-related information uploaded by the terminal in step S106 may further include: user data. That is, the user data generated by the user using the application program to be backed up, for example, the chat records generated by the user using QQ, the chat records generated by the user using WeChat, the information shared by Moments, etc. With this optional implementation solution, when the application program is restored, the corresponding user data can be restored to the user together, thereby improving user experience.

In the above optional implementation, optionally, when restoring, if the application version backed up by the user is not the latest version, the latest version can be restored to the user, avoiding the air interface traffic caused by the user updating the version after restoring Consumption, improve user experience. In this case, if the backed-up information also includes user data, it can be further judged whether the format of the backed-up user data matches the format of the latest version of the application program. The data is converted into the corresponding format, and then restored to the terminal to avoid the problem that the user cannot view the user data due to the inconsistency between the version of the user data and the version of the application when the user data is restored to the user.

In an optional implementation of the embodiment of the present invention, the terminal starts the backup may be manually triggered by the user, or may be triggered by an event. Therefore, before step S102, the method may further include: receiving an input operation request of the backup application program, specifically, the user may input through a keyboard, keys or a controllable touch screen; or, detecting the occurrence of a predetermined trigger event, triggering Events can be preset by the user. For example, the user can set a backup before updating the system, and when it is necessary to update the system, firstly perform steps S102 to S106. The specific trigger event can be set according to the specific situation, which is not limited in this embodiment.

In an optional implementation of the embodiment of the present invention, in order to prevent the server from being maliciously attacked, the terminal first needs to provide account information to the server (the server may be called an account server (ID server)) before performing step S102. After receiving the user's request, generate a verification code for the user and send it to the terminal. After receiving the verification code, the terminal obtains the verification code, and when sending a query request to the application server in step S102, submits the verification code to the application server, and the application server verifies the verification code (that is, the application server uses the verification code send to the account server, and receive the verification result returned by the account server), after the verification is passed, the application server is inquired whether to save the installation package of the application program to be backed up, and if the verification fails, the request of the terminal is rejected. Similarly, when the terminal uploads the backup data to the backup server, it also needs to submit the verification code to the backup server, and the backup server verifies the verification code (that is, the backup server sends the verification code to the account server, and receives the verification code returned by the account server). Verification result), the backup data uploaded by the terminal is accepted only after the verification is passed, and the backup data uploaded by the terminal is rejected if the verification fails.

In an optional implementation solution of the embodiment of the present invention, the ID server can send a verification code to the terminal through a short message, and the terminal can automatically obtain the verification code in the short message. Specifically, the terminal can automatically obtain the verification code in the text message through the following steps:

Step 1, obtain the platform signature of the operating system of the terminal. For example, the terminal can run the executable file pre-injected in the system service (SystemServer) component of the operating system to obtain the platform signature, that is, inject the executable file into the SystemServer component of the operating system, and by running the executable file, you can obtain the The platform signature of the operating system. Or, in another optional implementation of an optional implementation of the embodiment of the present invention, the terminal can also obtain high authority through some programs of the partition by brushing into the recovery partition, specifically, it can be set in the ramdisk A module that scans the operating system partition and checks the platform signature of the operating system after scanning.

Step 2, based on the obtained platform signature, obtain the permission to read the content of the short message. After the platform signature is obtained, the application can be re-signed by using the obtained platform signature of the operating system, so that the application obtains the corresponding authority of the operating system. In this embodiment, the corresponding authority refers to obtaining and reading the short message content permission).

Step 3: Obtain the verification code in the short message received by the terminal based on the obtained permission to read the content of the short message. In a specific application, the terminal can call the application programming interface (API) for obtaining the content of the short message based on the obtained authority, read the content of the short message received by the terminal from the database of the terminal, and then obtain the content of the short message from the content of the short message. to the verification code. In this embodiment, the API for obtaining short message content is a high-level API, and only an application with system authority can call this type of API. Therefore, in this embodiment, the corresponding authority is obtained through the platform signature to call the API Get the content of the short message. After the terminal obtains the verification code, it can also input the obtained verification code into the dialog box where the verification code needs to be filled, so as to realize the automatic filling of the SMS verification code and improve user experience.

It should be noted that although in the embodiment of the present invention, the application server, backup server, storage server, and ID server are set separately according to the different functions of each server, it is not limited to this, and in specific applications, the combined for the same server.

Based on the same inventive concept, an embodiment of the present invention further provides an application program backup device, which can be set in a terminal to implement the application program backup method described in the foregoing embodiments.

Fig. 2 shows a schematic structural diagram of an application program backup device according to an embodiment of the present invention. Referring to FIG. 2 , the device may at least include: a sending module 200 , a receiving module 202 and an uploading module 204 .

Now introduce the functions of each component or device of the application program backup device of the embodiment of the present invention and the connection relationship between each part:

The sending module 200 is configured to send a query request to the application server, wherein the query request carries the identification information of the application program to be backed up;

The receiving module 202 is configured to receive a query request response returned by the application server, wherein the query request response carries indication information indicating whether the installation package of the application program to be backed up is stored on the application server;

The uploading module 204 is configured to prohibit uploading the installation package of the first application to be backed up stored on the application server to the backup server according to the instruction information, and upload the relevant information of the first application to the backup server. to the backup server.

In the embodiment of the present invention, when the application program backup device backs up the application program, the sending module 200 inquires whether the application program to be backed up is stored in the application server. For the first application program, the upload module 204 does not upload the installation package of the application program to the backup server, but only uploads the relevant information of the application program to the backup server, thereby reducing the amount of uploaded data, saving the time of backup, and improving the user experience.

In an optional implementation of the embodiment of the present invention, the upload module 204 is further configured to, according to the instruction information, upload the installation package of the second application program to be backed up and the installation package not stored on the application server and the The relevant information of the second application is uploaded to the backup server. That is, for the second application whose installation package is not stored in the application server, the uploading module 204 uploads the installation package and related information of the application to the backup server. Through this optional implementation manner, it can be guaranteed that only the application programs not in the application server are uploaded during backup, so as to save backup time while ensuring effective backup.

In practical applications, the terminal may need to back up multiple application programs at one time, the query request may include the identification information of the multiple application programs, and the application server may simultaneously return an indication of whether the installation packages of the multiple application programs are stored in the application server's Instruction information, for the first application program whose installation package is stored in the application server, the upload module 204 only uploads the relevant information of this type of application program to the backup server, and does not upload the installation package of this type of application program to the backup server. For the second application whose installation package is not stored in the application server, the upload module 204 uploads the installation package and related information of the application to the backup server. Therefore, it can be guaranteed that only the application programs not in the application server are uploaded during backup, so as to save backup time while ensuring effective backup.

In a specific application, the servers can be divided according to different functions. In an optional implementation of the embodiment of the present invention, the backup server can only be responsible for storing the relevant information of the application program uploaded by the terminal. When the installation package is installed, the backup server sends the installation package of the application to the storage server, and stores the installation package of the application in association with the relevant information of the application uploaded by the terminal at the storage address of the storage server.

In an optional implementation of the embodiment of the present invention, when backing up and restoring, for the first application whose installation package is stored in the application server, the backup server will back up the relevant information of the first application after receiving the restore request Send to the terminal, the terminal goes to the application server to request the installation package of the first application according to the relevant information of the first application, and the application server responds to the request of the terminal, and can send the installation package of the first application that is the same as the version backed up by the terminal To transmit to the terminal, the installation package of the latest version of the first application may also be transmitted to the terminal, which is not specifically limited in this embodiment.

In an optional implementation of the embodiment of the present invention, when the backup is restored, for the second application whose installation package is not stored in the application server, after the backup server receives the restore request, the backup server directly installs the second application The package is sent to the terminal for restoration.

In an optional implementation of the embodiment of the present invention, when the backup is restored, for the second application whose installation package is not stored in the application server, after the backup server receives the restore request, the backup server will install the second application The package is sent to the terminal at the storage address of the storage server, and the terminal can download the application installation package from the storage server according to the storage address; or, the backup server can also obtain the installation package of the second application program from the storage server, and the second The application's installation package is restored to the terminal.

In a specific application, for the backup information uploaded by the same user, the backup server may associate and save the identification information of the application program uploaded by the terminal, related information, and the storage address of the installation package.

In an optional implementation of the embodiment of the present invention, the relevant information of the application program uploaded by the uploading module 204 includes: version information of the application program and verification data of the application program. When backing up and restoring, you can refer to the backup version information to select an appropriate version. In addition, according to the verification data, the integrity verification of the installation package of the application program uploaded by the terminal can be performed to ensure the data integrity of the uploaded installation package. When the backup is restored, the restored application can also be verified according to the verification data. The program performs an integrity check.

In an optional implementation of the embodiment of the present invention, the relevant information of the application program uploaded by the uploading module 204 may also include: user data of the application program. That is, the user data generated by the user using the application program to be backed up, for example, the chat records generated by the user using QQ, the chat records generated by the user using WeChat, the information shared by Moments, etc. With this optional implementation solution, when the application program is restored, the corresponding user data can be restored to the user together, thereby improving user experience.

In the above optional implementation, optionally, when restoring, if the application version backed up by the user is not the latest version, the latest version can be restored to the user, avoiding the air interface traffic caused by the user updating the version after restoring Consumption, improve user experience. In this case, if the backed-up information also includes user data, it can be further judged whether the format of the backed-up user data matches the format of the latest version of the application program. The data is converted into the corresponding format, and then restored to the terminal to avoid the problem that the user cannot view the user data due to the inconsistency between the version of the user data and the version of the application when the user data is restored to the user.

In an optional implementation of the embodiment of the present invention, the terminal starts the backup may be manually triggered by the user, or may be triggered by an event. Therefore, as shown in FIG. 3, the device may further include: a detection module 206, configured to detect whether an input backup application operation request is received, and if so, trigger the sending module 200 to send the query request; or , detecting whether a predetermined trigger event occurs, and if so, triggering the sending module to send the query request. The operation request of the backup application program can be input by the user's keyboard, button or controllable touch screen, etc., and the pre-triggering event can be set by the user. For example, the user can set the triggering event of the backup as system update. When an action of updating the system occurs, the sending module 200 is triggered to send a query request.

In an optional implementation of the embodiment of the present invention, in order to prevent the server from being maliciously attacked, before the sending module 200 sends the query request, the device may first provide the server (the server may be called an account server (ID server)) with Account information (for example, the user's UID), the server generates a verification code for the user after receiving the user's request, and sends it to the terminal. After receiving the verification code, the terminal obtains the verification code, submits the verification code to the application server when the sending module 200 sends a query request to the application server, and the application server verifies the verification code, and only queries the application after the verification is passed. Whether to save the installation package of the application to be backed up in the server, if the verification fails, the request of the terminal is rejected. Similarly, when the upload module 204 uploads the backup data to the backup server, it also needs to submit the verification code to the backup server. The backup server verifies the verification code. After the verification is passed, it receives the backup data uploaded by the terminal. If the verification fails, Then reject the backup data uploaded by the terminal. Therefore, in an optional implementation of the embodiment of the present invention, as shown in FIG. 3 , the sending module 200 is also used to send the request information carrying the user account to the ID server, and the receiving module 202 is also used to receive the request information issued by the ID server. The verification code, the device further includes: an obtaining module 208, configured to obtain the verification code issued by the ID server.

In an optional implementation solution of the embodiment of the present invention, the ID server can issue a verification code through a short message, and the obtaining module 208 can automatically obtain the verification code in the short message. Specifically, the obtaining module 208 can automatically obtain the verification code in the text message in the following manner:

Obtain the platform signature of the operating system of the terminal; for example, you can run the executable file injected in the system service (SystemServer) component of the operating system in advance to obtain the platform signature, that is, inject the executable file into the SystemServer component of the operating system, by running The executable file can obtain the platform signature of the operating system. Or, in another optional implementation of an optional implementation of the embodiment of the present invention, it is also possible to obtain high authority through some programs of the partition by brushing into the recovery (recovery) partition, specifically, setting a The module is used to scan the operating system partition, and check the platform signature of the operating system after scanning. .

Based on the obtained platform signature, the permission to read the content of the short message is obtained; after the platform signature is obtained, the application can be re-signed by using the obtained platform signature of the operating system, so that the application obtains the corresponding permission of the operating system. In an embodiment, the corresponding authority refers to the authority to obtain the content of the short message)

Based on the obtained permission to read the content of the short message, obtain the verification code in the short message received by the terminal; The content of the short message received by the terminal is read from the database, and then the verification code is obtained from the content of the short message.

In this embodiment, the API for obtaining short message content is a high-level API, and only an application with system authority can call this type of API. Therefore, in this embodiment, the corresponding authority is obtained through the platform signature to call the API Get the content of the short message. Through this embodiment, the SMS verification code sent by the server can be automatically obtained without root authority, and the application of the terminal can be extended.

After obtaining the verification code, the obtaining module 208 can also input the obtained verification code into the dialog box where the verification code needs to be filled, so as to realize the automatic filling of the SMS verification code and improve user experience.

In the embodiment of the present invention, when backing up the application program, the terminal first inquires whether the application program to be backed up is stored in the application server. Relevant information is uploaded to the backup server, which reduces the amount of uploaded data, shortens the time required for application backup, saves the data traffic spent by application backup, and improves user experience.

In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure the understanding of this description.

Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, in order to streamline this disclosure and to facilitate an understanding of one or more of the various inventive aspects, various features of the invention are sometimes grouped together in a single embodiment, figure, or its description. This method of disclosure, however, is not to be interpreted as reflecting an intention that the claimed invention requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the Detailed Description are hereby expressly incorporated into this Detailed Description, with each claim standing on its own as a separate embodiment of this invention.

Those skilled in the art can understand that the modules in the device in the embodiment can be adaptively changed and arranged in one or more devices different from the embodiment. Modules or units or components in the embodiments may be combined into one module or unit or component, and furthermore may be divided into a plurality of sub-modules or sub-units or sub-assemblies. All features disclosed in this specification (including accompanying claims, abstract and drawings) and any method or method so disclosed may be used in any combination, except that at least some of such features and/or processes or units are mutually exclusive. All processes or units of equipment are combined. Each feature disclosed in this specification (including accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.

Furthermore, those skilled in the art will understand that although some embodiments described herein include some features included in other embodiments but not others, combinations of features from different embodiments are meant to be within the scope of the invention. and form different embodiments. For example, in the claims, any one of the claimed embodiments can be used in any combination.

The various component embodiments of the present invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art should understand that a microprocessor or a digital signal processor (DSP) may be used in practice to implement some or all functions of some or all components in the application program backup device according to the embodiment of the present invention. The present invention can also be implemented as an apparatus or an apparatus program (for example, a computer program and a computer program product) for performing a part or all of the methods described herein. Such a program for realizing the present invention may be stored on a computer-readable medium, or may be in the form of one or more signals. Such a signal may be downloaded from an Internet site, or provided on a carrier signal, or provided in any other form.

It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In a unit claim enumerating several means, several of these means can be embodied by one and the same item of hardware. The use of the words first, second, and third, etc. does not indicate any order. These words can be interpreted as names.

So far, those skilled in the art should appreciate that, although a number of exemplary embodiments of the present invention have been shown and described in detail herein, without departing from the spirit and scope of the present invention, the disclosed embodiments of the present invention can still be used. Many other variations or modifications consistent with the principles of the invention are directly identified or derived from the content. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. A method for backing up an application program, comprising: The terminal sends a query request to the application server, wherein the query request carries identification information of the application program to be backed up; The terminal receives the query request response returned by the application server, wherein the query request response carries indication information indicating whether the installation package of the application program to be backed up is stored on the application server; According to the instruction information, the terminal prohibits uploading the installation package of the first application program to be backed up stored on the application server to the backup server, and uploads the relevant information of the first application program to the Backup server. 2. The method of claim 1, wherein the method further comprises: The terminal uploads the installation package of the second application program to be backed up and the related information of the second application program to the backup server according to the indication information. 3. The method according to claim 1 or 2, wherein the relevant information comprises: version information and verification data. 4. The method according to claim 3, wherein the relevant information further comprises: user data. 5. The method according to claim 1 or 2, wherein, before the terminal sends the query request to the application server, the method further comprises: receiving an incoming backup application operation request; or, A predetermined trigger event has been detected. 6. An application program backup device, comprising: A sending module, configured to send a query request to the application server, wherein the query request carries identification information of the application program to be backed up; A receiving module, configured to receive a query request response returned by the application server, wherein the query request response carries indication information indicating whether the installation package of the application program to be backed up is stored on the application server; The uploading module is configured to prohibit uploading the installation package of the first application to be backed up stored on the application server to the backup server according to the indication information, and upload the relevant information of the first application to the backup server. The backup server. 7. The device according to claim 6, wherein the uploading module is further configured to, according to the instruction information, store the installation package of the second application program to be backed up and the installation package not stored on the application server. The related information of the second application program is uploaded to the backup server. 8. The device according to claim 6 or 7, wherein the relevant information comprises: version information and verification data. 9. The apparatus according to claim 8, wherein the relevant information further comprises: user data. 10. The device according to claim 6 or 7, wherein the device further comprises: A detection module, configured to detect whether an input backup application operation request is received, and if so, trigger the sending module to send the query request; or detect whether a predetermined trigger event occurs, and if so, trigger the The sending module sends the query request.