CN104090822B - The switching method and system of android system lower outer portion storage device - Google Patents
The switching method and system of android system lower outer portion storage device Download PDFInfo
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- CN104090822B CN104090822B CN201410329829.6A CN201410329829A CN104090822B CN 104090822 B CN104090822 B CN 104090822B CN 201410329829 A CN201410329829 A CN 201410329829A CN 104090822 B CN104090822 B CN 104090822B
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- external memory
- storage device
- memory equipment
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Abstract
The switching method and system of android system lower outer portion storage device provided by the present invention,Select a main External memory equipment from External memory equipment by user first,Then whole External memory equipments is unloaded from mount point,After storage device during user is selected is as main External memory equipment,Generate new storage device configurations list,External memory equipment is re-started into carry,It is fixed as one to overcome main External memory equipment under prior art android system,And other can only be mounted to the defect used under main peripheral storage device from External memory equipment as catalogue,Make user when using android system,Can preferably information storage be carried out using multiple External memory equipments,While improving stored memory utilization rate,Demand of the people to more memory spaces is better met.
Description
Technical field
The present invention relates to cutting for mobile communication field more particularly to a kind of Android system lower outer portion storage device
Change method and system.
Background technology
Android（Chinese is known as Android）It is the open source code operating system based on Linux, is mainly used for
Mobile device, the Open Handset Alliance set up by Google（OHA, open handheld device alliance）Lasting leader and
In exploitation.Latest edition issued Android is Android 4.3.Android system is initially by An Dilubin
（Andy Rubin）Exploitation and composition, the purpose for originally developing this system create the " intelligence that can surf the Internet with PC using it
Energy mobile phone " the ecosphere.But later, smart mobile phone market started Fast Growth, and Android is transformed into a towards mobile phone
Operating system.It is purchased by U.S. science-and-technology enterprise Google in August, 2005.In November, 2007, Google and 84 hardware manufacturing
Quotient, software developer and Telecom operators set up open handheld device alliance to research and develop improvement android system jointly, then,
Google is opened for free the authorization of source code licensing with Apache, has issued the source code of Android.Manufacturer is allowed to push away
Go out to carry the smart mobile phone of Android, Android operation system was more gradually extended on tablet computer and other field later.
(SuSE) Linux OS all manages all in system as file.In linux system, hardware device, magnetic
Disk subregion etc. is considered file, and the access to equipment, subregion is exactly to read and write corresponding file.Mount point is actually Linux
In disk file system entrance catalogue, an equipment needs corresponding mount point and could access to it.
Android compatibility specifications define（Android Compatibility Definition）Regulation：It is each compatible
The equipment of Android all supports shared " external memory ", can be with it come store files.It is stored in external memory
In file be all world-readable attributes and can be modifiable by the user（When they allow the big reservoirs of USB in computer
When upper the staged files）.The file being stored on external memory be can disappear it is sightless --- if user is external storage
Device is hung over on a computer or removing the medium（SD card）, while you to be stored in the file on external storage not compulsory
Safety assurance.All applications can read and write these files and user can also delete them.
" external memory " can be the storaging medium that can be removed（A such as SD card）An or internal storage
（It can not be removed）.Currently, there are three types of the modes of major mobile-phone manufacturers realizations external memory：Physical storage media（SD
Card）, the simulation external memory of the internal storage and shared internal storage that come independent partitions is marked off from ROM.If
It is standby must realize one of the above mode and be mounted to/sdcard as main external memory, could be used for application program.
Currently, some mobile-phone manufacturers often realize the implementation of two kinds of external memories, still, due to
The characteristic of Android can only be used one piece of external memory devices as " main external memory ", and in addition realize " from outer
Portion's memory " equipment, which can only be mounted to as catalogue under " main external memory ", to be used, and application program can not in this case
It is complete utilize " from external memory " space --- due to compatible api interface problem, application program can not be known in advance
Equipment whether realize " from external memory " and how carry.
Therefore, the prior art is up for further improving.
Invention content
In view of above-mentioned shortcoming in the prior art, it is an object of the invention to provide a kind of android systems to the user
Switching method between the lower storage device of system and system can only use a fixation to solve Android system in the prior art
Main External memory equipment the problem of.
The technical proposal for solving the technical problem of the invention is as follows：
A kind of switching method of android system lower outer portion storage device, wherein including：
It receives after user selects switching command of any one in External memory equipment as main External memory equipment, unloads
Carry the storage device on the mount point corresponding to all External memory equipments；
The storage device that user selects is arranged as main External memory equipment；New storage device configurations list is generated, and
The External memory equipment under android system is mounted on corresponding mount point according to new storage device configurations list, it is complete
At the switching between principal and subordinate's External memory equipment.
The switching method of the android system lower outer portion storage device, wherein select external storage to set receiving user
Before instruction of any one in standby as main External memory equipment, further include, by the configured list of all External memory equipments
And master-slave relationship is shown.
The switching method of the android system lower outer portion storage device, wherein including receiving user and selecting external deposit
After storing up instruction of any one in equipment as main External memory equipment, what is switched between execution principal and subordinate's External memory equipment answers
With program whether there is switching permission to be verified, if with switching permission unload corresponding to all External memory equipments
Mount point on storage device operation, if without switching permission if terminate operation.
The switching method of the android system lower outer portion storage device, wherein further include being deposited when unloading all outsides
After storing up the storage device on the mount point corresponding to equipment, carrying of switching between whether confirming external principal and subordinate's storage device is sent out
Show, if confirming the prompt, carries out the handover operation, otherwise abandon this operation.
The switching method of the android system lower outer portion storage device, wherein the storage device for selecting user as
While the operation of main External memory equipment, changes External memory equipment configured list and preserve new configured list.
A kind of switching system of android system lower outer portion storage device, wherein including：
Device uninstallation module selects any of External memory equipment storage device for main external storage for receiving user
After the instruction of equipment, the storage device on the mount point corresponding to all External memory equipments is unloaded；
Hand-off process module, the storage device for selecting user are deposited as main External memory equipment, and according to new
External memory equipment is mounted on corresponding mount point by storage device configuration list, cutting between completion principal and subordinate's External memory equipment
It changes.
The switching system of the android system lower outer portion storage device, wherein further include list display selecting module；
The list display selecting module, for any one in selecting External memory equipment in reception user as main memory
Before the instruction for storing up equipment, the configured list of all External memory equipments and master-slave relationship are shown.
The switching system of the android system lower outer portion storage device, wherein further include authorization check module；
The authorization check module selects any one in External memory equipment as main external storage for receiving user
After the instruction of equipment, to executing whether the application program switched between principal and subordinate's External memory equipment there is switching permission to carry out school
It tests, if with switching permission unload the operation of the storage device on the mount point corresponding to all External memory equipments,
Operation is terminated if without switching permission.
The switching system of the android system lower outer portion storage device, wherein further include confirming handover module；
The confirmation handover module, for working as the extension corresponding to all External memory equipments of storage device processes program unloading
After storage device on loading point, the prompt for whether confirming and switching between principal and subordinate's External memory equipment is sent out, if confirming the prompt,
The handover operation is then carried out, this operation is otherwise abandoned.
The switching system of the android system lower outer portion storage device, wherein further include configured list update module；
The configured list update module, the storage device for selecting user is as the operation of main External memory equipment
While, it changes External memory equipment configured list and preserves new configured list.
Advantageous effect, the switching method and system of android system lower outer portion storage device provided by the present invention, first
A main External memory equipment is selected from External memory equipment by user, then by whole External memory equipments from extension
It is unloaded on loading point, after the storage device during user is selected is as main External memory equipment, generates new storage device and match
List is set, External memory equipment is re-started into carry, is set to overcome main external storage under prior art android system
It is standby to be fixed as one, and other can only be mounted to the defect used under main peripheral storage device from External memory equipment as catalogue,
Make user when using android system, preferably can carry out information storage using multiple External memory equipments, be deposited in raising
While storing up memory usage, demand of the people to more memory spaces has been better met.
Description of the drawings
Fig. 1 is the step flow chart of the switching method of peripheral storage device under android system of the present invention.
Fig. 2 is the most preferred embodiment of the switching method of peripheral storage device under android system of the present invention in specific application
Schematic diagram.
Fig. 3 is the structure principle chart of the switching system of peripheral storage device under android system of the present invention.
Fig. 4 is the structural schematic diagram that the switching system of peripheral storage device under android system of the present invention is in concrete application.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer and more explicit, develop simultaneously embodiment pair referring to the drawings
The present invention is further described.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, and do not have to
It is of the invention in limiting.
The present invention discloses a kind of switching method of android system lower outer portion storage device, as shown in Figure 1, the method
Include the following steps：
S1, the switching command that user selects any one in External memory equipment as main External memory equipment is received
Afterwards, the storage device on the mount point corresponding to all External memory equipments is unloaded.
First, it when principal and subordinate's External memory equipment switches under user wants to android system, is then sent out by system
Go out to select switching command of the storage device as main External memory equipment from whole External memory equipments, triggers system
Start to switch over the master-slave relationship of External memory equipment.
After receiving the switching command that above-mentioned user sends out, pre-set hand-off process program be then triggered start into
The handover operation of row storage device.
Since the storage device in being currently running can not carry out carry, switched in the storage device for selecting user
It needs first to unload the storage device on the mount point corresponding to whole External memory equipments before main storage device, makes storage
Equipment is in the state of non-carry.
S2, the storage device that user selects is arranged as main External memory equipment；New storage device configurations list is generated,
And the External memory equipment under android system is mounted on corresponding mount point according to new storage device configurations list,
Complete the switching between principal and subordinate's External memory equipment.
After the completion of unloading, the storage device that user selects is arranged as main External memory equipment, and according to generating new deposit
Configured list is stored up, External memory equipment is re-started into carry.
It is envisioned that External memory equipment can be multiple, mount point may be multiple.
Further, in order to preferably realize above-mentioned handover operation, can also have based on the above method following
It improves：
It is selected for the ease of user, any one is deposited as main outside in receiving user and selecting External memory equipment
Before the instruction for storing up equipment, the configured list of all External memory equipments and master-slave relationship are shown.
In order to ensure the safety of handover operation, any one is as main outer in receiving user and selecting External memory equipment
After the instruction of portion's storage device, to execute the application program that switches between principal and subordinate's External memory equipment whether have switching permission into
Row verification if with switching permission unload the behaviour of the storage device on the mount point corresponding to all External memory equipments
Make, operation is terminated if without switching permission.
Due to when the storage device to mount point unloads, it is understood that there may be the application stored inside some storage devices
During program is currently running, therefore the loss of data is stored in order to prevent, after unloading the storage device on all mount points, send out
The prompt for whether confirming and switching between external principal and subordinate's storage device gone out, the time that user carries out data preservation is provided, if confirming institute
Prompt is stated, then carries out the handover operation, otherwise abandons this operation.
In order to preferably carry out carry to storage device, in the storage device for selecting user as main External memory equipment
Operation while, modification External memory equipment configured list simultaneously new configured list is preserved.
Fig. 2 gives the method and step flow chart of the method disclosed in this invention in specific application, as shown,
The method includes：
H1, system show that the list of all External memory equipments and master-slave relationship are selected for user first.
H2, user select a storage device as main External memory equipment from External memory equipment list, and triggering is outer
The instruction of portion's storage device switching.
H3, Authority Verification is carried out to the application program for carrying out handover operation in advance, next step H4 is carried out if having switching permission,
If not switching permission enters step H31.
H4 unloads the External memory equipment on the mount point, and enters step H5.
H5, it sends out switching and confirms instruction, if user's selection is to carry out step H6, otherwise abort operation.
H6, switching mount point, the storage device that user is selected generate new storage as main External memory equipment
Device configuration list carries out in next step, otherwise abort operation if switching successfully.
H7, according to newly-generated storage device configurations list again carry External memory equipment, complete this handover operation.
On the basis of the method disclosed in this invention, the present invention also provides a kind of android system lower outer portions
The switching system of storage device, as shown in figure 3, including：
Device uninstallation module 10 selects external based on any of External memory equipment storage device deposit for receiving user
After the instruction for storing up equipment, the storage device on the mount point corresponding to all External memory equipments is unloaded；
Hand-off process module 20, for the storage device that selects user as main External memory equipment, and according to new
External memory equipment is mounted on corresponding mount point by storage device configurations list, between completion principal and subordinate's External memory equipment
Switching.
In order to preferably complete the handover operation, it is illustrated in figure 4 under a kind of android system disclosed by the invention outer
The structural schematic diagram of the switching system of portion's storage device in specific application, as shown in figure 4, the android system lower outer portion
The switching system of storage device, in addition to comprising above-mentioned device uninstallation module 10 and hand-off process module 20, wherein further including：
The list display selecting module 50, for any one in selecting External memory equipment in reception user as master
Before the instruction of storage device, the configured list of all External memory equipments and master-slave relationship are shown.
The authorization check module 30 selects any one in External memory equipment to be deposited as main outside for receiving user
After the instruction for storing up equipment, to executing whether the application program switched between principal and subordinate's External memory equipment there is switching permission to carry out school
It tests, if with switching permission unload the operation of the storage device on the mount point corresponding to all External memory equipments,
Operation is terminated if without switching permission.
The confirmation handover module 40, for when the storage device on all mount points of storage device processes program unloading
Afterwards, the prompt for whether confirming and switching between principal and subordinate's External memory equipment is sent out, if confirming the prompt, switches over operation,
Otherwise this operation is abandoned.
The configured list update module 60, the storage device for selecting user is as the behaviour of main External memory equipment
While work, changes External memory equipment configured list and preserve new configured list.
Wherein, storage device and its corresponding mount point can be multiple.
The switching method and system of android system lower outer portion storage device provided by the present invention, by receiving user
An instruction as main External memory equipment is selected from External memory equipment, by whole External memory equipments from carry
It is unloaded on point, after the storage device during user is selected is as main External memory equipment, generates new storage device configurations
External memory equipment is re-started carry by list, realizes the switching at runtime of multiple External memory equipments, existing to overcome
Have the mobile terminal of technology one using android system, main External memory equipment is fixed as one under system, and other from
External memory equipment can only be mounted to the defect used under main peripheral storage device as catalogue, make user using Android systems
When system, can information storage preferably be carried out using multiple External memory equipments, while improving stored memory utilization rate, more
Good meets demand of the people to more memory spaces.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect range.
Claims (2)
1. a kind of switching method of android system lower outer portion storage device, which is characterized in that including：
It receives after user selects switching command of any one in External memory equipment as main External memory equipment, unloads institute
There is the storage device on the mount point corresponding to External memory equipment；
After receiving the switching command that user sends out, pre-set hand-off process program, which is then triggered, to be proceeded by storage and sets
Standby handover operation；
The storage device that user selects is arranged as main External memory equipment；Generate new storage device configurations list, and according to
External memory equipment under android system is mounted on corresponding mount point by new storage device configurations list, completes master
From the switching between External memory equipment；
Before receiving user and selecting instruction of any one in External memory equipment as main External memory equipment, further include：
The configured list of all External memory equipments and master-slave relationship are shown；
After reception user selects instruction of any one in External memory equipment as main External memory equipment, to executing outside principal and subordinate
Whether the application program switched between portion's storage device there is switching permission to be verified, and be unloaded if with switching permission
The operation of the storage device on mount point corresponding to all External memory equipments terminates operation if without switching permission；
The External memory equipment is multiple, and the mount point is multiple；
The switching method further includes, after storage device on the mount point unloaded corresponding to all External memory equipments, hair
The prompt for whether confirming and switching between external principal and subordinate's storage device gone out, the time that user carries out data preservation is provided；
If confirming the prompt, the handover operation is carried out, otherwise abandons this operation；
As while the operation of main External memory equipment, modification External memory equipment configuration arranges the storage device that user is selected
Table simultaneously preserves new configured list.
2. a kind of switching system of android system lower outer portion storage device, which is characterized in that including：
Device uninstallation module selects any of External memory equipment storage device for main External memory equipment for receiving user
Instruction after, unload the storage device on the mount point corresponding to all External memory equipments；
Hand-off process module, the storage device for selecting user are sent out as main External memory equipment when receiving user
Switching command after, pre-set hand-off process program, which is then triggered, proceeds by the handover operation of storage device, and according to
External memory equipment is mounted on corresponding mount point by new storage device configurations list, complete principal and subordinate External memory equipment it
Between switching；
The system also includes：List display selecting module；
The list display selecting module is set for any one in selecting External memory equipment in reception user as primary storage
Before standby instruction, the configured list of all External memory equipments and master-slave relationship are shown；
The system also includes：It further include authorization check module；
The authorization check module selects any one in External memory equipment as main External memory equipment for receiving user
Instruction after, whether there is switching permission to verify the application program that switches between executing principal and subordinate's External memory equipment, if
The operation for then carrying out unloading the storage device on the mount point corresponding to all External memory equipments with switching permission, if not having
There is switching permission then to terminate operation；
The External memory equipment is multiple, and the mount point is multiple；
The switching system further includes confirming handover module；
The confirmation handover module, for working as the mount point corresponding to all External memory equipments of storage device processes program unloading
On storage device after, the prompt for whether confirming and switching between principal and subordinate's External memory equipment sent out, provide user carry out data guarantor
The time deposited；
If confirming the prompt, the handover operation is carried out, otherwise abandons this operation；
It further include configured list update module；
The configured list update module, the storage device for selecting user is as the same of the operation of main External memory equipment
When, it changes External memory equipment configured list and preserves new configured list.
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| CN104090822B true CN104090822B (en) | 2018-10-26 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104463034B (en) * | 2014-11-19 | 2018-03-27 | 广东欧珀移动通信有限公司 | A kind of method and device of safe and convenient unloading external connection storage device |
| CN111104679B (en) * | 2018-10-26 | 2023-06-06 | 紫光国芯微电子股份有限公司北京分公司 | External storage device for safe mounting and method thereof |
| CN114579036B (en) * | 2020-11-30 | 2024-02-13 | 北京达佳互联信息技术有限公司 | Storage device management method and related device |
| CN113835857B (en) * | 2021-09-18 | 2024-04-02 | 青岛海信移动通信技术有限公司 | Mounting method, device, equipment and medium of external storage equipment |
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| CN101847101A (en) * | 2009-03-24 | 2010-09-29 | Tcl集团股份有限公司 | Method for automatically mounting USB storage device under embedded Linux |
| CN102902488A (en) * | 2012-08-06 | 2013-01-30 | 广东欧珀移动通信有限公司 | Memory card of handheld equipment and dynamic mounting method of memory card |
| CN103793256A (en) * | 2014-03-03 | 2014-05-14 | 联想(北京)有限公司 | Method for management of memory cards, and electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120054382A1 (en) * | 2010-08-31 | 2012-03-01 | I/O Interconnect, Ltd. | Method of hand-held smart device for accessing data |
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| CN101847101A (en) * | 2009-03-24 | 2010-09-29 | Tcl集团股份有限公司 | Method for automatically mounting USB storage device under embedded Linux |
| CN102902488A (en) * | 2012-08-06 | 2013-01-30 | 广东欧珀移动通信有限公司 | Memory card of handheld equipment and dynamic mounting method of memory card |
| CN103793256A (en) * | 2014-03-03 | 2014-05-14 | 联想(北京)有限公司 | Method for management of memory cards, and electronic device |
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