CN112988675A - Linux file manager-based Android file classified display method - Google Patents
Linux file manager-based Android file classified display method Download PDFInfo
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- CN112988675A CN112988675A CN202110270019.8A CN202110270019A CN112988675A CN 112988675 A CN112988675 A CN 112988675A CN 202110270019 A CN202110270019 A CN 202110270019A CN 112988675 A CN112988675 A CN 112988675A
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- G06F16/10—File systems; File servers
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- G06F16/168—Details of user interfaces specifically adapted to file systems, e.g. browsing and visualisation, 2d or 3d GUIs
Abstract
An Android file classified display method based on a Linux file manager comprises the following steps: the method comprises the steps that a Linux end service program obtains path information, names and types of all files of an Android file system from Android through a socket and classifies the path information, the names and the types of all the files according to file types; the Linux file manager displays the Android file according to different file types and updates the Android file in real time; the Linux file manager completes copying, viewing and editing operations on the displayed Android files of different types by realizing related interfaces of the GFileinterface and using an API of GFile and GFilenfo structural bodies, and achieves the effect of setting different display styles on different virtual file directories and files. According to the method, the Android media files are displayed in the Linux file manager in a classified manner based on the Linux file system, the displayed dynamic update is kept, the similar files are clear at a glance, the file system entries in the Android compatible environment are more uniform, and the split feeling of the file system is reduced.
Description
Technical Field
The invention belongs to the technical field of Android, and particularly relates to an Android file classified display method based on a Linux file manager.
Background
In recent years, with the increase of Android users and the maturity and development of Android software and hardware products, the Android application ecology presents explosive development, exceeds Windows and iOS in many fields, and becomes the most widely used application ecology at present. Android develops based on a Linux kernel, is a Linux operating system with the highest market share in the current mobile terminal market, and has an excellent ecological environment in the field of mobile terminals; the Windows system occupies the largest share of the PC market, is used as an American closed source operating system, and has huge potential safety hazard in the aspect of information network safety; the Linux operating system, which is a precursor of Android, is slow in development due to the limitation of the number of developers and market share, and the ecological environment is in a bad state for a long time and is not colored all the time. With the rapid development of information technology, the national attention degree on information security is increasingly promoted, and domestic autonomous operating systems based on open source Linux operating systems are increasingly developed, but the serious shortage of the ecological application of the Linux operating systems still is a pain point which puzzles the real market promotion of the Linux operating systems.
In order to solve the ecological problem of the Linux operating system, two key points of insufficient user number and insufficient number of platform application software must be solved. Android has a wide user group in the field of mobile terminals, a mature development platform and an application software group, and has a certain reference value for solving the current embarrassment of a Linux operating system.
The Android operating system is developed based on the Linux kernel, and the characteristics of the mobile terminal device are greatly improved and enhanced in the user space, so that great possibility and convenience are provided for the Linux operating system to be compatible with Android applications, and rich applications of a mobile terminal can be successfully operated on a PC terminal. In recent years, compatible support of an Android application ecology on a Linux operating system becomes a research hotspot, many researchers at home and abroad try to migrate an Android operating environment to a Linux computer platform to realize the effect of compatible support of the Android application ecology on the Linux operating system, and various compatible technologies are derived, wherein the technologies include an arc (app Runtime for chrome) technology, a virtual machine and simulator technology and an Android (Android in a Box) project of Google, and the technologies fuse a PC (personal computer) end and a mobile end to successfully migrate the Android application ecology to the Linux, so that the development of the Linux application ecology is greatly promoted, the problem that the Linux application is lacked is solved to a great extent, the daily and entertainment requirements of Linux operating system users are facilitated, the pace of the Linux operating system moving to the consumption market is accelerated, but the problems still exist in experiences that the Linux operating system cannot be ignored, including stability, ease of use, functional completeness, have resulted in no significant advance in this area of technology.
Development and management of file systems are also an important branch for operating systems. Under the Android compatible environment, a file system of the Linux end and a file system of the Android end can appear simultaneously. At present, the file system of Linux can only see the files of Linux system, and the file system of Android can only see the files of Android system. Under the condition, when a user needs to check files, the user respectively goes to the respective file systems of Linux and Android, namely the files need to be switched between the two file managers, so that not only can a lot of inconvenience be brought to operation, but also a system cracking feeling can be caused to the user.
For the native Android system, when a user uses a mobile phone, the user usually checks files through a file classification directory of a file system, and the files are usually classified into pictures, audio, video, documents and downloads. For the Android system in the Android compatible environment, the file manager of the Android has no function of file classification temporarily, and if a required file is to be checked, the required file needs to be searched in a directory corresponding to the file, and the condition is inconvenient to use for the Android system provided with a plurality of apps.
Disclosure of Invention
In order to solve the above problems, the present invention provides an Android file classification display method based on a Linux file manager, the method comprising the steps of:
the method comprises the steps that a Linux end service program obtains path information, names and types of all files of an Android file system from Android through a socket and classifies the path information, the names and the types of all the files according to file types;
the Linux file manager displays the Android file according to different file types and updates the Android file in real time;
the Linux file manager completes copying, viewing and editing operations on the displayed Android files of different types by realizing related interfaces of the GFileinterface and using an API of GFile and GFilenfo structural bodies, and achieves the effect of setting different display styles on different virtual file directories and files.
Preferably, the obtaining path information of all files of the Android file system and names and types thereof and classifying according to file types includes:
the Android service application calls an Android SDK interface to acquire Android media file information from an Android media file database;
the Android service application transmits the media file information to a Linux end service program through socket communication;
the Linux service program divides the files into corresponding type files according to the file types;
and the Linux service program stores the file data of each type of file for the Linux file manager to use.
Preferably, the Linux file manager displays the Android file according to different file types and updates the Android file in real time, and the method comprises the following steps:
the Linux file manager creates a virtual file system directory containing all Android files, wherein the father directory of each virtual file system directory is the same as the mobile application directory and is at the same level as the directory of the Linux system;
the Linux file manager classifies each file according to the type and displays the file in the corresponding virtual file directory;
monitoring database changes by the Android service application;
and the changed data of the database is sent to the Linux service program by the Android service application, and the Linux file manager acquires the data from the Linux service program to update in real time. Preferably, the file types include: documents, pictures, audio and video.
Preferably, the variation comprises: add file, delete file, and rename file operations.
The invention has the beneficial effects that: based on a Linux file system, Android media files are displayed in a Linux file manager in a classified mode, dynamic updating of the display is kept, the similar files are clear at a glance, file system entries in an Android compatible environment are more uniform, and the split feeling of the file system is reduced. From the perspective of a user, the operations of searching, editing and copying the Android file are more convenient and faster, and the file is not required to be checked under a specific directory of a real file.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram showing a comparison of display modes of system files in an Android compatible environment before and after the Android file classification display method based on the Linux file manager is modified.
Fig. 2 is a schematic view of the overall architecture of the Android file classification display method based on the Linux file manager.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 and fig. 2, in an embodiment of the present application, the present invention provides an Android file classification display method based on a Linux file manager, where the method includes:
the method comprises the steps that a Linux end service program obtains path information, names and types of all files of an Android file system from Android through a socket and classifies the path information, the names and the types of all the files according to file types;
the Linux file manager displays the Android file according to different file types and updates the Android file in real time;
the Linux file manager completes copying, viewing and editing operations on the displayed Android files of different types by realizing related interfaces of the GFileinterface and using an API of GFile and GFilenfo structural bodies, and achieves the effect of setting different display styles on different virtual file directories and files.
In an embodiment of the present application, the obtaining path information of all files of an Android file system and names and types thereof and classifying the path information according to file types includes:
the Android service application calls an Android SDK (Android software development kit) interface to acquire Android media file information (path and file type) from an Android media file database;
the Android service application transmits the media file information to a Linux end service program through socket communication;
the Linux service program divides the files into corresponding type files such as documents, pictures, audio and video according to the file types;
and the Linux service program stores the file data of each type of file for the Linux file manager to use.
In the embodiment of the application, the Linux file manager displays the Android file according to different file types and updates the Android file in real time, and the method comprises the following steps:
the Linux file manager creates a virtual file system directory containing all Android files, such as documents, pictures, audio and videos, parent directories of all the virtual file system directories are the mobile application directories, and the parent directories are at the same level as personal and computer directories of the Linux system;
the Linux file manager classifies each file according to the type and displays the file in the corresponding virtual file directory;
monitoring database changes, such as insertion, deletion and update operations, by the Android service application;
and the changed data of the database is sent to the Linux service program by the Android service application, and the Linux file manager acquires the data from the Linux service program to update in real time.
In an embodiment of the present application, the file types include: documents, pictures, audio and video.
In an embodiment of the present application, the variation includes: add file, delete file, and rename file operations.
The invention provides an Android file classified display method based on a Linux file manager, which comprises the steps of establishing a virtual file system directory through the Linux file manager (the main work is completed by a written plug-in of the Linux file manager), establishing a plurality of subdirectories such as documents, pictures, audios and videos under a father directory of a virtual file, calling an Android SDK (Android software development kit) interface by Android service application, acquiring Android media file information (paths and file types) from an Android database, sending the media file information to a service program of a Linux end through a socket, and acquiring the media file data from the service program and performing classified display by the plug-in of the Linux file manager. After the technology disclosed by the patent is implemented, a user can not only check various Android files displayed in a classified mode through the Linux file manager, but also copy and edit the displayed Android files.
Fig. 1 is a schematic diagram showing a comparison between relevant directories of two operating systems before and after technical implementation in an Android compatible environment. The left side is a file system whole directory before the technology is implemented, a file system of Linux and a file system of Android are almost independent from each other (the Android file system can be mounted under a/var directory of the Linux file system through a fuse file system), when a user views a file at a Linux end, the Android file system mounted under the/var directory is used for searching, but for files of the Android system, target paths searched by the user are possibly numerous, for example, pictures of QQ and WeChat App are possibly stored under respective application directories, so that the corresponding paths need to be entered during searching, the searching is very inconvenient, and the user may not know which specific subdirectory needs to be used for searching for a required file. The right side is the whole directory of the file system after the technology is implemented, compared with the directory structure on the left side, a virtual file system directory of 'mobile application' is added, the directory provides another access to Android files, a plurality of subdirectories such as documents, pictures, audio and videos are created below the directory, the subdirectories almost comprise all media files and documents of Android, after a certain subdirectory is entered, the Android files of the corresponding category of the directory can be seen, and the Android files of the same category are clear at a glance. The user can browse the files or perform corresponding operations under the subdirectories directly without entering the Android file system to find the corresponding directories.
FIG. 2 is a schematic diagram of an embodiment of classified display of Android media files based on a Linux file manager. After a virtual file system directory is created, a Linux file manager (the main work of which is completed by writing a plug-in of the Linux file manager) acquires path, name and type information of an Android system file acquired from an Android terminal through a socket from a service program of the Linux terminal, and displays the path, name and type information under each category of directory; meanwhile, when files are newly added or reduced in the Android, the Android service application is also sent to a service program of the Linux end through the socket, and the service program transmits the service program to a plug-in of the Linux file manager in real time to update and display the plug-in. Through the transformation, only one file system appears in an Android compatible environment, and the split feeling between the Linux system and the Android system is reduced.
The specific implementation mode is as follows:
(1) obtaining and storing Android media file data:
the Android system is provided with a database file external. This database file holds a large amount of information of media files in the Android file system, including file path (_ data), name (title), file size (_ size), and type (Mime _ type). The Android service application is compiled, the Android SDK interface is used for reading and extracting important data (path, name, size and type of the file) of the Android media file, the data are put into a list, socket communication with Linux is established through the service application, the data list is transmitted to a service program of a Linux end, and then the service program is transmitted to a Linux file manager.
(2) The Linux file system realizes classified display of the Android media files:
firstly, a virtual file system father directory named 'mobile application' needs to be created through a Linux file manager (the main work is completed by writing a plug-in of the Linux file manager), and the directory is at the same level as 'personal' and 'computer' directories of the Linux system. For classified display, multiple sub-directories, such as documents, pictures, audio, and video, need to be created under the parent directory. And (3) reading the data finally saved in the step (1), and carrying out classified display.
In addition, Android files displayed under the virtual file system directory need to be updated, database operation can be performed when the Android applications store and delete the files, at the moment, the written Android service applications send data to a service program of the Linux end through a socket, and the service program of the Linux end is transmitted to the Linux file manager in real time to process real-time file updating display.
The invention has the beneficial effects that: based on a Linux file system, Android media files are displayed in a Linux file manager in a classified mode, dynamic updating of the display is kept, the similar files are clear at a glance, file system entries in an Android compatible environment are more uniform, and the split feeling of the file system is reduced. From the perspective of a user, the operations of searching, editing and copying the Android file are more convenient and faster, and the file is not required to be checked under a specific directory of a real file.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, substitution and improvement made without departing from the spirit and scope of the present invention shall be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims, or equivalents of such scope and boundaries.
Claims (5)
1. An Android file classified display method based on a Linux file manager is characterized by comprising the following steps:
the method comprises the steps that a Linux end service program obtains path information, names and types of all files of an Android file system from Android through a socket and classifies the path information, the names and the types of all the files according to file types;
the Linux file manager displays the Android file according to different file types and updates the Android file in real time;
the Linux file manager completes copying, viewing and editing operations on the displayed Android files of different types by realizing related interfaces of the GFileinterface and using an API of GFile and GFilenfo structural bodies, and achieves the effect of setting different display styles on different virtual file directories and files.
2. The Linux file manager-based Android file classification display method of claim 1, wherein the obtaining path information of all files of the Android file system and names and types thereof and classifying according to file types comprises:
the Android service application calls an Android SDK interface to acquire Android media file information from an Android media file database;
the Android service application transmits the media file information to a Linux end service program through socket communication;
the Linux service program divides the files into corresponding type files according to the file types;
and the Linux service program stores the file data of each type of file for the Linux file manager to use.
3. The Android file classified display method based on the Linux file manager according to claim 1, wherein the Linux file manager displays Android files according to different file types and updates the Android files in real time comprises the steps of:
the Linux file manager creates a virtual file system directory containing all Android files, wherein the father directory of each virtual file system directory is the same as the mobile application directory and is at the same level as the directory of the Linux system;
the Linux file manager classifies each file according to the type and displays the file in the corresponding virtual file directory;
monitoring database changes by the Android service application;
and the changed data of the database is sent to the Linux service program by the Android service application, and the Linux file manager acquires the data from the Linux service program to update in real time.
4. The Linux file manager-based Android file classification display method of claim 2, wherein the file types comprise: documents, pictures, audio and video.
5. The Linux file manager-based Android file classification display method of claim 3, wherein the changing comprises: add file, delete file, and rename file operations.
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