CN104035842A - Method for deleting and recovering built-in application program - Google Patents
Method for deleting and recovering built-in application program Download PDFInfo
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- CN104035842A CN104035842A CN201410304473.0A CN201410304473A CN104035842A CN 104035842 A CN104035842 A CN 104035842A CN 201410304473 A CN201410304473 A CN 201410304473A CN 104035842 A CN104035842 A CN 104035842A
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Abstract
The invention provides a method for deleting and recovering a built-in application program. The method comprises the steps that built-in application programs are stored under a default storage path of the built-in application programs, and the permission of the built-in application programs is set to be that a root user can read and write the built-in application programs and other users can only read the built-in application programs, a deletable and recoverable built-in application program list is set under the default storage path of the built-in application programs ; when a user selects to delete one built-in application program, if the built-in application program exists in the deletable and recoverable built-in application program list, the permission of the built-in application program to be deleted is changed through the initialization process to be that the root user can read and write the built-in application program, and other users cannot read or write the built-in application program, and data generated by the built-in application program to be deleted are deleted; when the user selects to recover the detected built-in application program, factory settings are recovered, and the detected built-in application program is recovered. By the adoption of the method for deleting and recovering the built-in application program, on the basis that no extra storage space is occupied, the functions of deleting and recovering the built-in application program are achieved, and user experience is improved.
Description
Technical field
The present invention relates to a kind of method of deleting and recovering built-in application program, relate in particular to a kind of deletion based on rights management and recover the method for built-in application program.
Background technology
Increase as the intelligent mobile terminal industry of representative presents blowout formula taking smart mobile phone, panel computer, electronic reader etc.Wherein, intelligent mobile mobile phone is won the first especially, and popularity rate rises rapidly.At present mobile terminal manufacturer or operator can built-in a lot of application programs in product, mobile terminal product has carried multiple utility program in dispatching from the factory in default system, be much wherein that some are almost used less than but relatively consume the application program flowing, how delete the application program that these carry? a lot of Android (Android) mobile phones often cannot directly be deleted built-in application program.When user deletes these built-in application programs, generally can point out " this is system applies, cannot unload ", system applies user does not generally have authority to unload these built-in application programs.
Prior art provides the method for unloading built-in application program, increase a hiding storage space, deletable built-in application program is deposited in the inside, when system starts for the first time, by the application program here, copy user area to, these built-in application programs be just equivalent to user oneself install program the same, can be deleted.But this method need to increase extra partition holding or storage directory, waste storage space.
Summary of the invention
The invention provides a kind of method of deleting and recovering built-in application program, on the basis that does not take additional storage space, having realized deleting of built-in application program can restore funcitons, has improved user's experience.
In order to achieve the above object, the invention provides a kind of method of deleting and recovering built-in application program, linux kernel is stored in built-in application program under the default storage path of built-in application program, and the authority that built-in application program is set is that root user is read-write, other user-readables, linux kernel arranges one and can delete, can recover built-in application program listing file under the default storage path of built-in application program;
In the time that user selects to delete a built-in application program, Android installation kit management service checks whether this built-in application program is present in and can delete, can recover in built-in application program listing file, if existed, linux kernel sends the order of amendment authority to initialize process, it is read-write that the authority of built-in application program to be deleted under default storage path is revised as root user by initialize process, other users are not read-write, and Android installation kit management service is deleted the data that this built-in application program to be deleted generates;
In the time of built-in application program that user selects to recover to have deleted, carry out factory reset operation, recover deleted built-in application program.
Described delete, can recover to record in built-in application program listing file all titles of deleting, can recover built-in application program.
In the time that user selects to delete a built-in application program, can delete, can recover in built-in application program listing file if built-in application program is not present in, this built-in application program unsuppressible-suppression.
Android installation kit management service is deleted after the data of this built-in application program to be deleted generation, also notifies desktop management program to delete the desktop icons of this built-in application program.
Described execution factory reset operation, the step of recovering deleted built-in application program comprises following steps:
Step 1, user carry out after factory reset operation, and system enters factory reset pattern, and factory reset program starts;
It is read-write that the authority of the built-in application program under default storage path is revised as root user by step 2, factory reset program, other user-readables;
Step 3, restart system, Android installation kit management service reads the application program in Android system with original authority, has recovered deleted built-in application program.
The present invention also provides a kind of method of deleting built-in application program, comprises following steps:
Step 1, linux kernel are stored in built-in application program under the default storage path of built-in application program, and the authority that built-in application program is set is that root user is read-write, other user-readables;
Step 2, linux kernel arrange one and can delete, can recover built-in application program listing file under the default storage path of built-in application program;
Step 3, in the time that user selects to delete a built-in application program, Android installation kit management service checks whether this built-in application program is present in and can delete, can recover in built-in application program listing file, if existed, carry out step 4;
Step 4, linux kernel send the order of amendment authority to initialize process;
Step 5, initialize process receive after amendment authority order, the authority of built-in application program to be deleted under default storage path is revised as to root user read-write, and other users are not read-write;
Step 6, Android installation kit management service are deleted the data that this built-in application program to be deleted generates.
Described delete, can recover to record in built-in application program listing file all titles of deleting, can recover built-in application program.
In described step 3, can delete, can recover in built-in application program listing file if built-in application program is not present in, this built-in application program unsuppressible-suppression.
In described step 6, Android installation kit management service is deleted after the data of this built-in application program to be deleted generation, also notifies desktop management program to delete the desktop icons of this built-in application program.
The present invention also provides a kind of method of recovering built-in application program, comprises following steps:
Step 1, user carry out after factory reset operation, and system enters factory reset pattern, and factory reset program starts;
Step 2, factory reset program load the default storage path of built-in application program;
It is read-write that the authority of the built-in application program under default storage path is revised as root user by step 3, factory reset program, other user-readables;
The default storage path of step 4, factory reset program unloading built-in application program;
Step 5, restart system, Android installation kit management service reads the application program in Android system with original authority, has recovered deleted built-in application program.
The present invention has realized deleting of built-in application program on the basis that does not take additional storage space can restore funcitons, has improved user's experience.
Brief description of the drawings
Fig. 1 is the process flow diagram of the method for deletion built-in application program provided by the invention.
Fig. 2 is the process flow diagram of the method for recovery built-in application program provided by the invention.
Embodiment
Following according to Fig. 1 and Fig. 2, illustrate preferred embodiment of the present invention.
Android (android) system is the mobile terminal operating system based on linux kernel, has an initialization (init) process after system starts, and this process has root authority.In mobile terminal based on Android (android) operating system, the default storage path of built-in application program (apk) is /system/app, the system default authority of built-in application program (apk) is that root user is read-write, other user-readables, for example, built-in application program file :-rw-r--r-root root 729777 2014-03-08 11:35 Test.apk, be that root user is read-write to the operating right of this built-in application program file, and other users are read-only to the operating right of this file.Android (android) installation kit management service (Package Manager Service) is a System Privileges process, there is no root authority.
As shown in Figure 1, the invention provides a kind of method of deleting built-in application program, comprise following steps:
Step 1, linux kernel are stored in built-in application program (apk) under the default storage path of built-in application program (apk), and the authority that built-in application program (apk) is set is that root user is read-write, other user-readables;
In the present embodiment, described default storage path is /system/app/ catalogue that authority is defaulted as 644, belongs to root user;
Step 2, linux kernel arrange one under the default storage path of built-in application program (apk) can delete, can recover built-in application program (apk) listing file;
In this listing file, record all titles of deleting, can recover built-in application program (apk);
That in this listing file, records deletes, can recover built-in application program (apk) and can set voluntarily, can delete, can recover built-in application program (apk) can comprise except system application (the requisite application program of system operation, as SystemUI.apk, framework.apk etc.) outside all application programs, as third party application (QQ, micro-letter, Taobao etc.);
Step 3, in the time that user selects to delete a built-in application program (apk), Android (android) installation kit management service (Package Manager Service) first checks whether this built-in application program (apk) is present in and can delete, can recover in built-in application program (apk) listing file, if existed, carry out step 4, if there is no, point out user, this built-in application program (apk) is system applies, unsuppressible-suppression;
Step 4, linux kernel send the order of amendment authority to initialization (init) process by linux system standard communication interface socket;
Described initialization (init) process has root authority;
Step 5, initialization (init) process receive after amendment authority order, the authority of built-in application program (apk) to be deleted under default storage path is revised as to root user read-write, and other users are not read-write;
In the present embodiment, under amendment default storage path/system/app/ catalogue, the authority of corresponding built-in application program (apk) is 600:-rw-------root root 729777 2014-03-08 11:35 Test.apk;
Step 6, Android (android) installation kit management service (Package Manager Service) are deleted the data that this built-in application program (apk) to be deleted generates;
Android (android) installation kit management service (Package Manager Service) notice desktop management program (Launcher) is deleted the desktop icons of this built-in application program (apk).
As shown in Figure 2, the present invention also provides a kind of method of recovering built-in application program, comprises following steps:
Step 1, user carry out after factory reset operation, and system enters factory reset pattern, and factory reset program (recovery) starts;
Step 2, factory reset program (recovery) load the default storage path of built-in application program (apk);
In the present embodiment, described default storage path is /system/app/ catalogue;
The authority of the built-in application program (apk) under default storage path is revised as system default authority by step 3, factory reset program (recovery), that is, root user is read-write, other user-readables;
In the present embodiment, the authority of built-in application program (apk) reverts to system default authority 644:-rw-r--r--root root 729777 2014-03-08 11:35 Test.apk;
The default storage path of step 4, factory reset program (recovery) unloading built-in application program (apk);
Step 5, restart system, Android (android) installation kit management service (Package Manager Service) reads the application program in Android (android) system with original authority, has recovered deleted built-in application program (apk).
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.Read after foregoing those skilled in the art, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a method of deleting and recover built-in application program, is characterized in that,
Linux kernel is stored in built-in application program under the default storage path of built-in application program, and the authority that built-in application program is set is that root user is read-write, other user-readables, linux kernel arranges one and can delete, can recover built-in application program listing file under the default storage path of built-in application program;
In the time that user selects to delete a built-in application program, Android installation kit management service checks whether this built-in application program is present in and can delete, can recover in built-in application program listing file, if existed, linux kernel sends the order of amendment authority to initialize process, it is read-write that the authority of built-in application program to be deleted under default storage path is revised as root user by initialize process, other users are not read-write, and Android installation kit management service is deleted the data that this built-in application program to be deleted generates;
In the time of built-in application program that user selects to recover to have deleted, carry out factory reset operation, recover deleted built-in application program.
2. deletion as claimed in claim 1 and recover the method for built-in application program, is characterized in that, described deletes, can recover to record in built-in application program listing file all titles of deleting, can recover built-in application program.
3. the method for deletion as claimed in claim 2 and recovery built-in application program, it is characterized in that, in the time that user selects to delete a built-in application program, can delete, can recover in built-in application program listing file if built-in application program is not present in, this built-in application program unsuppressible-suppression.
4. the method for deletion as claimed in claim 3 and recovery built-in application program, it is characterized in that, Android installation kit management service is deleted after the data of this built-in application program to be deleted generation, also notifies desktop management program to delete the desktop icons of this built-in application program.
5. deletion as claimed in claim 4 and recover the method for built-in application program, is characterized in that, described execution factory reset operation, and the step of recovering deleted built-in application program comprises following steps:
Step 1, user carry out after factory reset operation, and system enters factory reset pattern, and factory reset program starts;
It is read-write that the authority of the built-in application program under default storage path is revised as root user by step 2, factory reset program, other user-readables;
Step 3, restart system, Android installation kit management service reads the application program in Android system with original authority, has recovered deleted built-in application program.
6. a method of deleting built-in application program, is characterized in that, comprises following steps:
Step 1, linux kernel are stored in built-in application program under the default storage path of built-in application program, and the authority that built-in application program is set is that root user is read-write, other user-readables;
Step 2, linux kernel arrange one and can delete, can recover built-in application program listing file under the default storage path of built-in application program;
Step 3, in the time that user selects to delete a built-in application program, Android installation kit management service checks whether this built-in application program is present in and can delete, can recover in built-in application program listing file, if existed, carry out step 4;
Step 4, linux kernel send the order of amendment authority to initialize process;
Step 5, initialize process receive after amendment authority order, the authority of built-in application program to be deleted under default storage path is revised as to root user read-write, and other users are not read-write;
Step 6, Android installation kit management service are deleted the data that this built-in application program to be deleted generates.
7. the method for deletion built-in application program as claimed in claim 6, is characterized in that, described deletes, can recover to record in built-in application program listing file all titles of deleting, can recover built-in application program.
8. the method for deletion built-in application program as claimed in claim 7, is characterized in that, in described step 3, can delete, can recover in built-in application program listing file if built-in application program is not present in, this built-in application program unsuppressible-suppression.
9. the method for deletion built-in application program as claimed in claim 8, it is characterized in that, in described step 6, Android installation kit management service is deleted after the data of this built-in application program to be deleted generation, also notifies desktop management program to delete the desktop icons of this built-in application program.
10. a method of recovering built-in application program, is characterized in that, comprises following steps:
Step 1, user carry out after factory reset operation, and system enters factory reset pattern, and factory reset program starts;
Step 2, factory reset program load the default storage path of built-in application program;
It is read-write that the authority of the built-in application program under default storage path is revised as root user by step 3, factory reset program, other user-readables;
The default storage path of step 4, factory reset program unloading built-in application program;
Step 5, restart system, Android installation kit management service reads the application program in Android system with original authority, has recovered deleted built-in application program.
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