CN102412874A - Method and device for transmitting files through Bluetooth and intelligent mobile communication terminal - Google Patents
Method and device for transmitting files through Bluetooth and intelligent mobile communication terminal Download PDFInfo
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Abstract
The invention relates to a technology in the field of communication, in particular to a method and device for transmitting files through Bluetooth and an intelligent mobile terminal. The method comprises the following steps of: reading a pre-transmitted file from a database by adopting a first thread, converting the pre-transmitted file into a preset file and caching, wherein the preset file is a file which is accordant with a Bluetooth transmission protocol; inserting the cached pre-transmitted file in the form of preset file into the database by adopting a second thread; and starting a main Bluetooth transmission thread, and transmitting the pre-transmitted file in the form of preset file. In the method and the device for transmitting files through Bluetooth and the intelligent mobile communication terminal provided by the embodiment of the invention, records in a phone book are converted into a file which is accordant with the Bluetooth transmission protocol by using a newly-established thread, the file is inserted into the database, the main Bluetooth transmission thread is started, and the records in the phone book are transmitted, so that a large quantity of small-sized files can be transmitted, and the CPU (Central Processing Unit) occupancy factor can be lowered by preprocessing the records in the phone book with the newly-created thread.
Description
Technical field
The present invention relates to technical field of communication, relate in particular to a kind of method, device and intelligent mobile communication terminal of Bluetooth transmission file.
Background technology
In the prior art; Pacify bluetooth OPP (the Object Push Profile of tall and erect Android platform; The object storage standard) module mainly comprises server, receiver, database and a series of Activity thread of being responsible for refreshing UI (UserInterface, user interface).The OPP transmission course all is based on this database and realizes.Wherein, database is used for writing down the transmit status of the file attribute and the current file of transmission.Server will be activated the variation in its monitored data storehouse when bluetooth one is opened.In case the content in the database changes (for example having increased the transmission file), server can be opened a thread, with the fileinfo that changes in the database, adds in the transmission tabulation of local maintenance, carries out to send and prepares.OPPBluetoothOppTransfer file transfer in this bluetooth module read-write thread is responsible for the file operations such as storehouse current file transmission state of sending, pack, interrupt, finish and Update Information.Simultaneously, server is notified the state information of user interface file transmission according to the variation of database file state.
The Andorid platform did not support bluetooth to send before 2.1 versions, had added the function that file sends after 2.1 versions.But Bluetooth technology of the prior art is only to big file, such as media file, application file etc., the not transmission of this vcard of supporting telephone file and mass-sending all the time.
Therefore, there is certain technological deficiency in bluetooth transfer files technology in the prior art, need improve.
Summary of the invention
The embodiment of the invention provides a kind of method, device and intelligent mobile communication terminal of Bluetooth transmission file, can transmit the great quantity of small file preferably, and CPU usage is low.
The embodiment of the invention provides a kind of method of Bluetooth transmission file, comprising:
Adopt first thread from database, to read preparatory transfer files, said preparatory transfer files is converted into preset document form and buffer memory, the said document form that presets is the document form that meets Bluetooth transmission protocol;
The preparatory transfer files that adopts second thread that having of buffer memory preset document form inserts in the database;
Start the Bluetooth transmission main thread, send the said preparatory transfer files that presets document form that has.
Accordingly, the embodiment of the invention provides a kind of device of Bluetooth transmission file, comprising:
Modular converter is used for adopting first thread to read preparatory transfer files from database, said preparatory transfer files is converted into preset document form and buffer memory, and the said document form that presets is the document form that meets Bluetooth transmission protocol;
Insert module, the preparatory transfer files that is used for adopting second thread that having of buffer memory preset document form inserts database;
Sending module is used to start the Bluetooth transmission main thread, sends the said preparatory transfer files that presets document form that has.
Accordingly, the embodiment of the invention provides a kind of intelligent mobile communication terminal, comprising: the device of above-mentioned Bluetooth transmission file.
The embodiment of the invention provides a kind of method, device and intelligent mobile communication terminal of Bluetooth transmission file; Be used for adopting first thread to read preparatory transfer files from database; Said preparatory transfer files converted into preset document form and buffer memory, the said document form that presets is the document form that meets Bluetooth transmission protocol; The preparatory transfer files that adopts second thread that having of buffer memory preset document form inserts in the database; Start the Bluetooth transmission main thread, send the said preparatory transfer files that presets document form that has.Method, device and the intelligent mobile communication terminal of the Bluetooth transmission file that the use embodiment of the invention provides; Through using newly-established thread the record in the phone directory to be converted into the document form that meets Bluetooth transmission protocol; And after being inserted in the database; Start the Bluetooth transmission main thread, send phone directory recording.Can transmit the great quantity of small file preferably like this, and use the new thread of creating to anticipate phone directory recording, can reduce CPU usage.
Description of drawings
Fig. 1 is the method flow sketch map of bluetooth transfer files in the embodiment of the invention;
Fig. 2 is the method flow sketch map of bluetooth transfer files in another embodiment of the present invention;
Fig. 3 is the device sketch map of bluetooth transfer files in the embodiment of the invention.
Embodiment
At length set forth to the main realization principle of embodiment of the invention technical scheme, embodiment and to the beneficial effect that should be able to reach below in conjunction with each accompanying drawing.
In order to solve the problem that prior art exists, the embodiment of the invention provides a kind of method of Bluetooth transmission file, and is as shown in Figure 1, and this method comprises:
Concrete, do not support transmission in the prior art through the small files of Bluetooth transmission such as phone directory, main because the phone directory file is little and amount is big, if directly transmit, then make the terminal overall performance descend even crash.To this; The embodiment of the invention provides a kind of method of Bluetooth transmission file, at first creates first thread, from database, reads preparatory transfer files; Preparatory transfer files converted into preset document form and buffer memory, presetting document form is the document form that meets Bluetooth transmission protocol.For example, during the transmission phone directory, adopt first thread from database, to read each record of phone directory, convert it into vcard file laggard row cache one by one then.The action of this first thread realized before starting the Bluetooth transmission main thread, has avoided the complexity of thread dispatching in the transmission course.Phone directory vcard file is inserted in the database, because the quantity of this vcard file is bigger, inserting these files in the database is an engineering very consuming time again.If use the Bluetooth transmission main thread to realize this process, can consume the ample resources of main thread, cause operating user interface not have response.So, create second thread, the vcard file of buffer memory is inserted in the database.This insertion process can be that a circulation inserts operation, and transfer files number in advance greater than the predetermined situation of inserting threshold value under, reach predetermined when inserting threshold value when this inserts preparatory transfer files number in database, suspend and insert operation, counter O reset; Start the timing action, reach first scheduled delay after, continue to insert in the database preparatory transfer files and the enabling counting device begins counting.For example in order to reduce the utilance of CPU, can after 10 of every insertions, suspend and insert operation, delay during through 20 milliseconds, continue to insert operation again.
Then, start the Bluetooth transmission main thread, transmission has the preparatory transfer files that presets document form.For example, can preparatory transfer files in the database be added in the transmission tabulation; Read the current preparatory transfer files and the transmission successively of sending in the tabulation.During file transfer, need notification database to upgrade the transmission state of this document, to avoid repeating to send identical file.But, when preparatory transfer files hour, be easy to untimely problem occur upgrading, promptly this document has sent completion, but database is not able to do in time update mode, or send tabulation and do not have enough time to upgrade.To this, after the method that the embodiment of the invention provides comprises that also each preparatory transfer files transmission finishes, in the information of sending the file that preservation has been transmitted in the tabulation.Just, set up and safeguard that one has been sent tabulation, is used to write down the information of the file that has sent completion.Like this, when starting the Bluetooth transmission main thread, can preparatory transfer files in the database be added to and send in the tabulation; Read the current preparatory transfer files that sends in the tabulation, detect to have sent whether have current preparatory transfer files in the tabulation; If have, then read next transfer files in advance; If do not have, then send current preparatory transfer files.
Start the Bluetooth transmission main thread, transmission has in the process of the preparatory transfer files that presets document form, sends when breaking down, and suspends traversal behind preparatory transfer files of residue of every traversal; Start the timing action, reach second scheduled delay after, continue the remaining preparatory transfer files of traversal.Like this, behind file of every traversal, add a time of delay,, can reduce the utilance of CPU, increase the stability of system as 50 milliseconds.
Pass through foregoing description; Can find out; The method of the Bluetooth transmission file that the use embodiment of the invention provides converts the record in the phone directory into meet Bluetooth transmission protocol document form through using newly-established thread, and after being inserted in the database; Start the Bluetooth transmission main thread, send phone directory recording.Can transmit the great quantity of small file preferably like this, and use the new thread of creating to anticipate phone directory recording, can reduce CPU usage.
The method of the Bluetooth transmission file that the embodiment of the invention is provided through specific embodiment below is elaborated, and is example with the transmission phone directory, and is as shown in Figure 2, may further comprise the steps:
When above-mentioned steps 205 is sent current preparatory transfer files,, behind preparatory transfer files of residue of every traversal, suspend traversal if break down; Start the timing action, reach second scheduled delay after, continue the remaining preparatory transfer files of traversal.Like this, behind file of every traversal, add a time of delay,, can reduce the utilance of CPU, increase the stability of system as 50 milliseconds.
Pass through foregoing description; Can find out; The method of the Bluetooth transmission file that the use embodiment of the invention provides converts the record in the phone directory into meet Bluetooth transmission protocol document form through using newly-established thread, and after being inserted in the database; Start the Bluetooth transmission main thread, send phone directory recording.Can transmit the great quantity of small file preferably like this, and use the new thread of creating to anticipate phone directory recording and can reduce CPU usage.
Based on same inventive concept, the embodiment of the invention also provides a kind of device of Bluetooth transmission file, and is as shown in Figure 3, comprising:
Modular converter 301 is used for adopting first thread to read preparatory transfer files from database, said preparatory transfer files is converted into preset document form and buffer memory, and the said document form that presets is the document form that meets Bluetooth transmission protocol;
Insert module 302, the preparatory transfer files that is used for adopting second thread that having of buffer memory preset document form inserts database;
Sending module 303 is used to start the Bluetooth transmission main thread, sends the said preparatory transfer files that presets document form that has.
Preferable, when said preparatory transfer files number greater than predetermined when inserting threshold value, said insert module 302 is used for reaching predetermined when inserting threshold value when this said preparatory transfer files number that inserts database, suspends to insert and operates counter O reset; Start the timing action, reach first scheduled delay after, continue will said preparatory transfer files to insert in the database and the enabling counting device begins to count.
Preferable, said apparatus also comprises:
Memory module 304 is used for said transmission and finishes behind each said preparatory transfer files, in the information of sending the file that preservation has been transmitted in the tabulation.
Preferable, said sending module 303 specifically is used for the preparatory transfer files of database is added in the transmission tabulation; Read the current preparatory transfer files in the said transmission tabulation, detect and saidly sent whether have said current preparatory transfer files in the tabulation; If have, then read next transfer files in advance; If do not have, then send said current preparatory transfer files.
Preferable, said apparatus also comprises:
Spider module 305 is used to start the Bluetooth transmission main thread, sends in the said process with the preparatory transfer files that presets document form, sends when breaking down, and suspends traversal behind preparatory transfer files of residue of every traversal; Start the timing action, reach second scheduled delay after, continue the remaining preparatory transfer files of traversal.
The device of above-mentioned Bluetooth transmission file can be equipment such as terminal server.
Based on same inventive concept, the embodiment of the invention also provides a kind of intelligent mobile communication terminal, comprising: the device of above-mentioned Bluetooth transmission file.
Pass through foregoing description; Can find out; Method, device and the intelligent mobile communication terminal of the Bluetooth transmission file that the use embodiment of the invention provides convert the record in the phone directory into meet Bluetooth transmission protocol document form through using newly-established thread, and after being inserted in the database; Start the Bluetooth transmission main thread, send phone directory recording.Can transmit the great quantity of small file preferably like this, and use the new thread of creating to anticipate phone directory recording, can reduce CPU usage.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of the embodiment of complete hardware embodiment, complete software implementation example or combination software and hardware aspect.And the present invention can be employed in the form that one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code go up the computer program of implementing.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out through the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in ability vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work; Make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device; Make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of on computer or other programmable devices, carrying out is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic inventive concept could of cicada, then can make other change and modification to these embodiment.So accompanying claims is intended to be interpreted as all changes and the modification that comprises preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. the method for a Bluetooth transmission file is characterized in that, comprising:
Adopt first thread from database, to read preparatory transfer files, said preparatory transfer files is converted into preset document form and buffer memory, the said document form that presets is the document form that meets Bluetooth transmission protocol;
The preparatory transfer files that adopts second thread that having of buffer memory preset document form inserts in the database;
Start the Bluetooth transmission main thread, send the said preparatory transfer files that presets document form that has.
2. the method for claim 1 is characterized in that,
Adopt the record of phone directory in the first thread reading database, and convert the laggard row cache of vcard file one by one into;
Adopt second thread that the vcard file of buffer memory is inserted in the database;
Start the Bluetooth transmission main thread, send said vcard file.
3. the method for claim 1 is characterized in that, when said preparatory transfer files number greater than predetermined when inserting threshold value, the preparatory transfer files that said employing second thread presets document form with having of buffer memory inserts in the database, comprising:
Reach predetermined when inserting threshold value when this inserts said preparatory transfer files number in database, suspend and insert operation, counter O reset;
Start the timing action, reach first scheduled delay after, continue will said preparatory transfer files to insert in the database and the enabling counting device begins to count.
4. the method for claim 1 is characterized in that, send each said preparatory transfer files that finishes after, in the information of sending the file that preservation has been transmitted in the tabulation.
5. method as claimed in claim 4 is characterized in that, said startup Bluetooth transmission main thread sends the said preparatory transfer files that presets document form that has, and comprising:
Preparatory transfer files in the database is added in the transmission tabulation;
Read the current preparatory transfer files in the said transmission tabulation, detect and saidly sent whether have said current preparatory transfer files in the tabulation;
If have, then read next transfer files in advance; If do not have, then send said current preparatory transfer files.
6. like claim 1 or 5 described methods, it is characterized in that,
Start the Bluetooth transmission main thread, sends in the said process with the preparatory transfer files that presets document form, send when breaking down, suspend behind preparatory transfer files of residue of every traversal and travel through;
Start the timing action, reach second scheduled delay after, continue the remaining preparatory transfer files of traversal.
7. the device of a Bluetooth transmission file is characterized in that, comprising:
Modular converter is used for adopting first thread to read preparatory transfer files from database, said preparatory transfer files is converted into preset document form and buffer memory, and the said document form that presets is the document form that meets Bluetooth transmission protocol;
Insert module, the preparatory transfer files that is used for adopting second thread that having of buffer memory preset document form inserts database;
Sending module is used to start the Bluetooth transmission main thread, sends the said preparatory transfer files that presets document form that has.
8. device as claimed in claim 7 is characterized in that, when said preparatory transfer files number greater than predetermined when inserting threshold value; Said insert module; Be used for reaching predetermined when inserting threshold value, suspend and insert operation, counter O reset when this said preparatory transfer files number that inserts database; Start the timing action, reach first scheduled delay after, continue will said preparatory transfer files to insert in the database and the enabling counting device begins to count.
9. device as claimed in claim 7 is characterized in that, also comprises:
Memory module is used for said transmission and finishes behind each said preparatory transfer files, in the information of sending the file that preservation has been transmitted in the tabulation.
10. device as claimed in claim 9 is characterized in that, said sending module specifically is used for the preparatory transfer files of database is added in the transmission tabulation; Read the current preparatory transfer files in the said transmission tabulation, detect and saidly sent whether have said current preparatory transfer files in the tabulation; If have, then read next transfer files in advance; If do not have, then send said current preparatory transfer files.
11. like claim 7 or 10 described devices, it is characterized in that, also comprise:
Spider module is used to start the Bluetooth transmission main thread, sends in the said process with the preparatory transfer files that presets document form, sends when breaking down, and suspends traversal behind preparatory transfer files of residue of every traversal; Start the timing action, reach second scheduled delay after, continue the remaining preparatory transfer files of traversal.
12. an intelligent mobile communication terminal is characterized in that, comprising: like the device of arbitrary described Bluetooth transmission file among the claim 7-11.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110384774.5A CN102412874B (en) | 2011-11-28 | 2011-11-28 | Method and device for transmitting files through Bluetooth and intelligent mobile communication terminal |
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| CN201110384774.5A CN102412874B (en) | 2011-11-28 | 2011-11-28 | Method and device for transmitting files through Bluetooth and intelligent mobile communication terminal |
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| CN102412874A true CN102412874A (en) | 2012-04-11 |
| CN102412874B CN102412874B (en) | 2014-03-26 |
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Granted publication date: 20140326 |