CN110955458A - EXT4 file system-based os rapid customization method, system, storage medium and electronic equipment - Google Patents
EXT4 file system-based os rapid customization method, system, storage medium and electronic equipment Download PDFInfo
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
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Abstract
The invention relates to a fast customized os method, a system, a storage medium and an electronic device based on an EXT4 file system, comprising the following steps: s1, adding a preset partition in the Android system, and brushing a preset file package in the preset partition in a recovery mode; s2, generating a preset file directory based on the preset file package, and generating at least one preset file under the preset file directory according to the preset file package; s3, in the starting process of the Android system, when the preset step is executed, whether the preset file directory contains the preset file corresponding to the preset step is detected according to preset rules, if yes, the step S4 is executed, and if not, the step S5 is executed; s4, acquiring a preset file and completing a preset step according to the preset file; and S5, finishing the preset steps according to a default starting mode. The invention has convenient operation and high speed.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method, a system, a storage medium and electronic equipment for quickly customizing os based on an EXT4 file system.
Background
Today, android mobile terminals are widely used, different application scenes have different requirements on the terminals, so that different customization requirements are derived, the traditional mode is that system codes are changed, and the system is customized and modified to meet different customer requirements, so that the method is inflexible, low in efficiency and incapable of meeting the requirements of different application scenes of customers
Disclosure of Invention
The present invention is to provide a method, a system, a storage medium and an electronic device for fast customizing os based on the EXT4 file system, aiming at the above-mentioned defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: constructing a rapid customized os method based on an EXT4 file system; the method comprises the following steps:
s1, adding a preset partition in the Android system, and brushing a preset file package in the preset partition in a recovery mode;
s2, generating a preset file directory based on the preset file package, and generating at least one preset file in the preset file directory according to the preset file package;
s3, in the starting process of the Android system, when a preset step is executed, detecting whether a preset file corresponding to the preset step is contained in the preset file directory according to a preset rule, if so, executing a step S4, and if not, executing a step S5;
s4, acquiring the preset file and completing the preset step according to the preset file;
and S5, finishing the preset step according to a default starting mode.
Preferably, the presetting step includes boot logo loading, third party apk white list loading, built-in apk loading and/or system apk clipping processing.
Preferably, the method includes executing the following steps when the boot logo is loaded:
S31A, confirming whether the splash file is contained in the preset file directory, if so, executing a step S32A, and if not, executing a step S34A;
S32A, erasing a default file in a splash partition of the Android system, and acquiring the splash file in the preset file directory to store the splash file in the splash partition;
S33A, executing the boot logo loading according to the splash file, and finishing the boot logo loading;
and S34A, executing the logo loading according to the default file in the splash partition of the Android system, and ending the boot logo loading.
Preferably, the method comprises the following steps performed when performing the third party apk white list loading:
S31B, when starting the PackageManagerService service, confirming whether the file directory contains white list files, if yes, executing a step S32B, and if not, executing a step S33B;
S32B, acquiring the white list file and adding the white list file into a first linked list so as to verify the apk file in the first apk file installation process to confirm whether the first apk file is in the first linked list, if so, allowing the first apk file to be installed, and if not, not allowing the first apk file to be installed;
and S33B, ending the third party apk white list loading.
Preferably, the method comprises, when executing the built-in apk load, performing the steps of:
S31C, when starting the PackageManagerService, confirming whether the file directory contains a second apk file, if yes, executing a step S32C, and if not, executing a step S33C;
S32C, modifying the attribute of the second apk file into system, and installing the second apk file to realize system build-in;
and S33C, finishing the built-in apk loading.
Preferably, the method comprises the following steps when executing the system apk clipping process:
S31D, when starting the PackageManagerService service, confirming whether the preset file directory contains a removal list file, if yes, executing a step S32D, and if not, executing a step S33D;
S32D, acquiring the removal list file and adding the removal list file to a second linked list so as to analyze the third apk file before the third apk file is installed to confirm whether the third apk file is in the second linked list, if so, preventing the third apk file from being installed, and if not, normally installing the third apk file;
and S33D, ending the system apk clipping processing.
Preferably, the preset file directory name is customize.
The invention also constructs a rapid customized os system based on the EXT4 file system, which comprises the following components:
the system comprises an area dividing unit, a processing unit and a control unit, wherein the area dividing unit is used for increasing preset partitions in an Android system;
the first execution unit is used for generating a preset file directory based on a preset file packet in the process of flushing the preset partition with the preset file packet in a recovery mode;
the second execution unit is used for generating a preset file in the preset file directory according to the preset file packet;
the judging unit is used for detecting whether the preset file directory contains the preset file corresponding to the preset step or not according to a preset rule when the preset step is executed in the starting process of the Android system;
the third execution unit is used for acquiring the preset file and finishing the preset step according to the preset file when the output of the judgment unit is yes;
and the fourth execution unit is used for finishing the preset step according to a default starting mode when the output of the judgment unit is negative.
The present invention also constitutes a computer storage medium having stored thereon a computer program which, when executed by a processor, implements the EXT4 file system based fast customized os method as described in any of the above.
The invention also features an electronic device including a memory and a processor;
the memory is used for storing a computer program;
the processor is configured to execute the computer program to implement the EXT4 file system-based fast customized os method as described in any of the above.
The implementation of the method, the system, the storage medium and the electronic equipment for quickly customizing the os based on the EXT4 file system has the following beneficial effects: the method is convenient to operate, high in speed and suitable for various application scenes.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a flowchart of a fast customized os method based on EXT4 file system according to an embodiment of the present invention;
FIG. 2 is a flowchart of another embodiment of the present invention of a method for fast customization os based on the EXT4 file system;
FIG. 3 is a flowchart of another embodiment of the present invention of a method for fast customization os based on the EXT4 file system;
FIG. 4 is a flowchart of another embodiment of the present invention of a method for fast customization os based on the EXT4 file system;
FIG. 5 is a flowchart of another embodiment of the present invention of a method for fast customizing os based on the EXT4 file system.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, in a first embodiment of the os fast customization method based on the EXT4 file system of the present invention, the os fast customization method includes:
s1, adding a preset partition in the Android system, and brushing a preset file package in the preset partition in a recovery mode;
s2, generating a preset file directory based on the preset file package, and generating at least one preset file in the preset file directory according to the preset file package;
s3, in the starting process of the Android system, when a preset step is executed, detecting whether a preset file corresponding to the preset step is contained in the preset file directory according to a preset rule, if so, executing a step S4, and if not, executing a step S5;
s4, acquiring the preset file and completing the preset step according to the preset file;
and S5, finishing the preset step according to a default starting mode.
Specifically, a pc tool is created, and customized contents are compressed, and the customized contents can be generated in a content mode according to an android native system and compressed into a zip package in an ext4 file system format. The method comprises the steps of swiping a newly-built specific partition, namely a preset partition, in a recovery mode, when a preset file package is swiped into the preset partition, firstly generating a preset file directory in the preset partition, and generating a preset file corresponding to the preset file package under the preset file directory. In the process of system restart, namely Android system startup, when the startup process reaches a preset step, the method can firstly detect whether a preset file corresponding to the preset step is included in a preset file directory according to a preset rule, so as to firstly acquire a preset file corresponding to the preset step from the preset file directory. When the preset file directory contains the corresponding preset file, that is, the preset file is obtained, the preset step can be executed according to the preset file, and if the preset file directory does not contain the corresponding preset file, that is, the corresponding preset file is not obtained, the preset step is completed according to an original default starting mode of the system. Through the process, the system customization requirement can be simply and conveniently realized, the os upgrading of the os is not influenced, the customization can be performed for unlimited times, the simplicity of codes can be improved, the workload is reduced, the version stability is improved, the user experience is improved, the customization flexibility is increased, and the use efficiency is improved.
Optionally, the preset step includes boot logo loading, third-party apk white list loading, built-in apk loading, and/or system apk clipping processing. Specifically, in the starting process of the Android system, the defined preset steps may include one or more of boot logo loading, third-party apk white list loading, built-in apk loading, and system apk clipping processing, that is, when one or more of the steps are executed, whether a corresponding preset file is really included in a preset file directory is set, in an embodiment, the preset files corresponding to the steps may be: and (5) starting up the logo, namely, drawing a picture meeting the requirements of resolution format and the like. Generating an android system standard splash.img file through a python tool; the third party apk installs the white list: writing the apk packet name into a file app _ whitelist.txt; built-in apk, namely using an apk file provided by a client; and (4) apk clipping, and writing the apk package name needing clipping into a file app _ remove. The preset files include one or more of a splash file, a white list file, an apk file, and a remove manifest file. It is to be understood that the file naming method is only one embodiment, and the file naming method can be processed differently in different embodiments.
Optionally, the preset file directory name is customize. Specifically, the EXT4 file system mounts a directory, after which a folder customize is formed, and then files of each step are placed under the customize directory, such as 1) customize/splash.img, 2) customize/app _ whitelist.txt, 3) customize/xxxx 1.apkccustomize/xxxx 2.apkcumcumize/xxx.
Optionally, as shown in fig. 2, in an embodiment, the os fast customization method based on the EXT4 file system of the present invention includes the following steps executed when the boot logo is loaded:
S31A, confirming whether the splash file is contained in the preset file directory, if so, executing a step S32A, and if not, executing a step S34A;
S32A, erasing a default file in a splash partition of the Android system, and acquiring the splash file in the preset file directory to store the splash file in the splash partition;
S33A, executing the boot logo loading according to the splash file, and finishing the boot logo loading;
and S34A, executing the logo loading according to the default file in the splash partition of the Android system, and ending the boot logo loading.
Specifically, after the system is started, receiving related information (such as boot broadcast) of boot completion, detecting whether a splash.img file exists in a specific partition, if not, performing no action, if so, erasing data of the splash partition, keeping a data-free state by using the splash partition, then reading the splash.img file from the specific partition, writing the splash.img file into the splash partition of the Android system, and when the system is restarted again, loading splash partition data and playing a boot logo by default by a kernel of the Android system. Where the splash partition is native to the native system by default.
Optionally, as shown in fig. 3, in an embodiment, the method for fast customizing os based on EXT4 file system according to the present invention includes the following steps when the third party apk white list loading is executed:
S31B, when starting the PackageManagerService service, confirming whether the file directory contains white list files, if yes, executing a step S32B, and if not, executing a step S33B;
S32B, acquiring the white list file and adding the white list file into a first linked list so as to verify the first apk file in the installation process of the first apk file to confirm whether the first apk file is in the first linked list, if so, allowing the first apk file to be installed, and if not, not allowing the first apk file to be installed;
and S33B, ending the third party apk white list loading.
Specifically, when the system is started, the system defaults to start a PackageManagerService service, the service manages the installation apk file, and in the service process: and checking whether a white list file exists in a specific partition, if the file app _ white list.txt of the specific partition exists, reading the white list file of the upper complaint partition, putting the white list packet name into a linked list, checking, directly ignoring the apk file which is not in the first linked list, and returning installation failure information.
Optionally, as shown in fig. 4, in an embodiment, the method for fast customizing os based on EXT4 file system of the present invention includes the following steps when executing the built-in apk load:
S31C, when starting the PackageManagerService, confirming whether the file directory contains a second apk file, if yes, executing a step S32C, and if not, executing a step S33C;
S32C, modifying the attribute of the second apk file into system, and installing the second apk file to realize system build-in;
and S33C, finishing the built-in apk loading.
Specifically, when the system is started, the system can start a PackageManagerService by default, the service can load and check whether an apk file exists in a directory such as system, data, vendor and the like by default, analyze a package name and install the package name in the system, scan the partition directory customize when the service detects the directory, acquire an installation directory of the apk file during analysis, set the related attribute of the apk file as system if the apk file is under the customize directory, and install the apk file in the system, wherein the apk file is marked as system apk at this time, and system built-in is realized.
Optionally, as shown in fig. 5, in an embodiment, the method for fast customizing os based on EXT4 file system according to the present invention includes the following steps when executing the system apk clipping process:
S31D, when starting the PackageManagerService service, confirming whether the preset file directory contains a removal list file, if yes, executing a step S32D, and if not, executing a step S33D;
S32D, acquiring the removal list file and adding the removal list file to a second linked list so as to analyze the third apk file before the third apk file is installed to confirm whether the third apk file is in the second linked list, if so, preventing the third apk file from being installed, and if not, normally installing the third apk file;
and S33D, ending the system apk clipping processing.
Specifically, when the system is started, the system can start a PackageManagerService by default, the service can load and check whether directories such as system, data and vendor have an apk file by default, analyze a packet name and install the packet name in the system, and increase and read whether a specific partition has a file app _ remove.txt in the analysis process, if yes, the packet name of the file is read into a linked list, and the currently analyzed apk packet name is compared with the linked list, if the currently analyzed apk packet name is in the linked list, the installation of the apk packet name is prevented, and if the currently analyzed apk packet name is not in the second linked list, a normal flow is installed in the system, so that the system apk cutting is completed.
In addition, the invention relates to a rapid customized os system based on the EXT4 file system, which comprises:
the system comprises an area dividing unit, a processing unit and a control unit, wherein the area dividing unit is used for increasing preset partitions in an Android system;
the first execution unit is used for generating a preset file directory based on a preset file packet in the process of flushing the preset partition with the preset file packet in a recovery mode;
the second execution unit is used for generating a preset file in the preset file directory according to the preset file packet;
the judging unit is used for detecting whether the preset file directory contains the preset file corresponding to the preset step or not according to a preset rule when the preset step is executed in the starting process of the Android system;
the third execution unit is used for acquiring the preset file and finishing the preset step according to the preset file when the output of the judgment unit is yes;
and the fourth execution unit is used for finishing the preset step according to a default starting mode when the output of the judgment unit is negative.
Specifically, the specific coordination operation process among the units of the rapid customization os system based on the EXT4 file system may specifically refer to the above rapid customization os method based on the EXT4 file system, and is not described herein again.
In addition, an electronic device of the present invention includes a memory and a processor; the memory is used for storing a computer program; the processor is configured to execute a computer program to implement the fast customized os method based on the EXT4 file system as any of the above. In particular, according to an embodiment of the present invention, the processes described above with reference to the flowcharts may be implemented as a computer software program. For example, embodiments of the invention include a computer program product comprising a computer program embodied on a computer-readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In such embodiments, the computer program may be downloaded and installed by an electronic device and executed to perform the above-described functions defined in the methods of embodiments of the present invention. The electronic equipment can be a terminal such as a notebook, a desktop, a tablet computer, a smart phone and the like, and can also be a server.
Further, a computer storage medium of the present invention has stored thereon a computer program which, when executed by a processor, implements the EXT4 file system-based fast customization os method of any of the above. In particular, it should be noted that the computer readable medium of the present invention can be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present invention, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present invention, however, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.
The computer readable medium may be embodied in the electronic device; or may exist separately without being assembled into the electronic device.
It is to be understood that the foregoing examples, while indicating the preferred embodiments of the invention, are given by way of illustration and description, and are not to be construed as limiting the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (10)
1. An EXT4 file system-based method for rapidly customizing os, comprising:
s1, adding a preset partition in the Android system, and brushing a preset file package in the preset partition in a recovery mode;
s2, generating a preset file directory based on the preset file package, and generating at least one preset file in the preset file directory according to the preset file package;
s3, in the starting process of the Android system, when a preset step is executed, detecting whether a preset file corresponding to the preset step is contained in the preset file directory according to a preset rule, if so, executing a step S4, and if not, executing a step S5;
s4, acquiring the preset file and completing the preset step according to the preset file;
and S5, finishing the preset step according to a default starting mode.
2. The EXT4 file system based fast customized os method of claim 1, wherein the pre-set steps comprise boot logo load, third party apk white list load, built-in apk load and/or system apk clipping process.
3. The EXT4 file system-based os fast customization method according to claim 2, wherein the method comprises the following steps when executing the boot logo load:
S31A, confirming whether the splash file is contained in the preset file directory, if so, executing a step S32A, and if not, executing a step S34A;
S32A, erasing a default file in a splash partition of the Android system, and acquiring the splash file in the preset file directory to store the splash file in the splash partition;
S33A, executing the boot logo loading according to the splash file, and finishing the boot logo loading;
and S34A, executing the logo loading according to the default file in the splash partition of the Android system, and ending the boot logo loading.
4. The EXT4 file system-based fast customized os method according to claim 2, wherein the method comprises the following steps performed when the third party apk white list loading is performed:
S31B, when starting the PackageManagerService service, confirming whether the file directory contains white list files, if yes, executing a step S32B, and if not, executing a step S33B;
S32B, acquiring the white list file and adding the white list file into a first linked list so as to verify the first apk file in the installation process of the first apk file to confirm whether the first apk file is in the first linked list, if so, allowing the first apk file to be installed, and if not, not allowing the first apk file to be installed;
and S33B, ending the third party apk white list loading.
5. The EXT4 file system-based fast customized os method according to claim 2, wherein the method comprises the following steps performed when executing the built-in apk load:
S31C, when starting the PackageManagerService, confirming whether the file directory contains a second apk file, if yes, executing a step S32C, and if not, executing a step S33C;
S32C, modifying the attribute of the second apk file into system, and installing the second apk file to realize system build-in;
and S33C, finishing the built-in apk loading.
6. The EXT4 file system-based fast customized os method according to claim 2, wherein the method comprises the following steps when executing the system apk clipping process:
S31D, when starting the PackageManagerService service, confirming whether the preset file directory contains a removal list file, if yes, executing a step S32D, and if not, executing a step S33D;
S32D, acquiring the removal list file and adding the removal list file to a second linked list so as to analyze the third apk file before the third apk file is installed to confirm whether the third apk file is in the second linked list, if so, preventing the third apk file from being installed, and if not, normally installing the third apk file;
and S33D, ending the system apk clipping processing.
7. The EXT4 file system-based rapid customized os method of claim 2, wherein the preset file directory name is customize.
8. An EXT4 file system-based rapid customization os system, comprising:
the system comprises an area dividing unit, a processing unit and a control unit, wherein the area dividing unit is used for increasing preset partitions in an Android system;
the first execution unit is used for generating a preset file directory based on a preset file packet in the process of flushing the preset partition with the preset file packet in a recovery mode;
the second execution unit is used for generating a preset file in the preset file directory according to the preset file packet;
the judging unit is used for detecting whether the preset file directory contains the preset file corresponding to the preset step or not according to a preset rule when the preset step is executed in the starting process of the Android system;
the third execution unit is used for acquiring the preset file and finishing the preset step according to the preset file when the output of the judgment unit is yes;
and the fourth execution unit is used for finishing the preset step according to a default starting mode when the output of the judgment unit is negative.
9. A computer storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the EXT4 file system-based fast customized os method according to any one of claims 1-7.
10. An electronic device comprising a memory and a processor;
the memory is used for storing a computer program;
the processor is configured to execute the computer program to implement the EXT4 file system based fast customized os method of any of claims 1-7.
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| CN112256237A (en) * | 2020-09-27 | 2021-01-22 | 深圳市优金支付科技有限公司 | Operating system customization method, customization system, electronic equipment and customized resource file |
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