CN103984510B - A kind of printer modes reminding method and device based on Android - Google Patents
A kind of printer modes reminding method and device based on Android Download PDFInfo
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- CN103984510B CN103984510B CN201410234312.9A CN201410234312A CN103984510B CN 103984510 B CN103984510 B CN 103984510B CN 201410234312 A CN201410234312 A CN 201410234312A CN 103984510 B CN103984510 B CN 103984510B
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Abstract
The present invention provides a kind of printer modes reminding method and device based on Android, refreshes printer modes information for App in real time.Technical solution of the present invention includes: to monitor the Uevent event plugged based on printing device in application framework layer；When listening to expected Uevent event, the status information of the printing device is obtained；The broadcast mechanism carried by Android sends the first broadcast including the status information to application layer；The App of registered first broadcast obtains the status information.It, can be when connecting or extracting printing device, so that App obtains the status information of printing device in real time by implementing technical solution of the present invention.
Description
Technical field
The present invention relates to android system technical fields, and in particular to a kind of printer modes prompt based on Android
Method and apparatus.
Background technique
Android Android is an open source code Mobile operating system based on Linux, is mainly used for movement and sets
Open Handset Alliance(OHA that is standby, being set up by Google company, Google, open handheld device alliance) persistently lead
In exploitation.Android system is used as the operating system of various kinds of equipment with its characteristic of increasing income by extensive customization, including ultrasound
The Medical Devices such as diagnostic equipment.In addition, being different from general Android device, Android equipment for customizing is generally only run in application layer
For manipulating the operation App(Application of this equipment, application program), operate the UI(User Interface of App) will be complete
It is complete to occupy display interface.
Android system can also support equipment for customizing by USB(Universal Serial Bus, and general serial is total
Line) interface connection peripheral hardware progress Function Extension, such as printer.
But when Android equipment for customizing connection printer, operation App can not obtain the status information of printer, because
This operation App will be unable to effectively manage peripheral hardware.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of printer modes reminding method and device based on Android,
Refresh printer modes information in real time for App.By implementing technical solution of the present invention, printing device can be being connected or extracted
When, so that App obtains the status information of printing device in real time.
A kind of printer modes reminding method based on Android, comprising:
The Uevent event plugged based on printing device is monitored in application framework layer；
When listening to expected Uevent event, the status information of the printing device is obtained；
The broadcast mechanism carried by Android sends the first broadcast including the status information to application layer；
The App of registered first broadcast obtains the status information.
A kind of printer modes suggestion device based on Android, including printing device and App, further includes:
Module is monitored, for monitoring the Uevent event plugged based on the printing device in application framework layer；
Module is obtained, for obtaining the printing device when the monitoring module listens to expected Uevent event
Status information；
Sending module, it includes that the state is believed that the broadcast mechanism for being carried by Android is sent to application layer
First broadcast of breath；
The App includes acquisition submodule, for obtaining the status information, wherein the App registered described first
Broadcast.
The invention has the advantages that using Uevent event monitoring printing device plug and obtain its status information,
Then it is sent and is broadcasted to registered App by the broadcast mechanism that Android is carried, so that the status information is transmitted to App.
By implementing technical solution of the present invention, App is enabled to obtain the status information of printing device in real time.
Detailed description of the invention
It in order to illustrate the embodiments of the present invention more clearly or the technical solution of the prior art, below will be to embodiment or existing
There is required attached drawing in technical description to be briefly described, it should be apparent that, drawings discussed below is only that this implementation is new
The embodiment of type for those of ordinary skill in the art without creative efforts, can also be according to mentioning
The attached drawing of confession obtains other attached drawings.
Fig. 1 is printer modes reminding method flow chart of the first embodiment of the invention based on Android；
Fig. 2 is printer modes reminding method flow chart of the second embodiment of the invention based on Android；
Fig. 3 is printer modes suggestion device structure chart of the third embodiment of the invention based on Android；
Fig. 4 is printer modes suggestion device structure chart of the fourth embodiment of the invention based on Android.
Specific embodiment
Below in conjunction with the Figure of description in the present invention, the technical solution in invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
A kind of printer modes reminding method based on Android will be described in detail in first embodiment of the invention,
Method detailed process described in the present embodiment referring to Figure 1, comprising steps of
101, the Uevent event plugged based on printing device is monitored in application framework layer.
Android system framework includes 4 levels, respectively Linux inner core, system Runtime Library layer, application program frame
Rack-layer and application layer.Uevent event, i.e. User Space Event refer to one that kernel is issued to user's space
Event notice, enables App to have an opportunity to react to the event.
The embodiment of the present invention persistently monitors the Uevent event based on printing device plug in application framework layer, if not
Expected Uevent event is listened to, then is persistently monitored；If listening to expected Uevent event, triggers and execute step 102.
102, when listening to expected Uevent event, the status information of the printing device is obtained.
When application framework layer listens to the expected Uevent event based on printing device plug, utilize
Android system has the status information that mechanism obtains the printing device.Wherein, printing device is specifically as follows printer, shape
State information includes but is not limited to: plug state information, print queue status information, printing progress status information or feeder state
Information.
After the status information for obtaining printing device, by the first broadcast of status information write-in.
103, it includes the first wide of the status information that the broadcast mechanism carried by Android is sent to application layer
It broadcasts.
In the present embodiment, included broadcast is directly used without establishing the finger daemon specifically for printing device
Mechanism can save a large amount of system resources.
Wherein, application layer has at least one App interested in the printing device status information for knowing system connection.
104, the App of registered first broadcast obtains status information.
It is interested in the printing device status information for knowing that system connects in application layer before implementing the present embodiment
App need to first register the first broadcast, it is wide that the App of only registered first broadcast could obtain first sent to application layer
It broadcasts.
In this step, the App of registered first broadcast receives the first broadcast in application layer, and in the first broadcast
Capture the status information of printing device.So far, realize that App obtains the status information process of printing device in real time.
In the present embodiment, using the plug of Uevent event monitoring printing device and its status information is obtained, then led to
It crosses the included broadcast mechanism of Android and sends broadcast to registered App, so that the status information is transmitted to App.Pass through reality
Technical solution of the present invention is applied, App is enabled to obtain the status information of printing device in real time.
Second embodiment of the invention by the printer modes reminding method described in first embodiment based on Android into
Row remarks additionally, and method detailed process described in the present embodiment refers to Fig. 2, comprising steps of
201, the Uevent event plugged based on printing device is monitored in application framework layer.
The embodiment of the present invention persistently monitors the Uevent event based on printing device plug in application framework layer, if not
Expected Uevent event is listened to, then is persistently monitored；If listening to expected Uevent event, triggers and execute step 202.
202, when listening to expected Uevent event, the status information of the printing device is obtained
When application framework layer listens to the expected Uevent event based on printing device plug, utilize
Android system has the status information that mechanism obtains the printing device.Wherein, printing device is specifically as follows printer, shape
State information includes but is not limited to: plug state information, print queue status information, printing progress status information or feeder state
Information.
After the status information for obtaining printing device, by the first broadcast of status information write-in.
203, it includes the first wide of the status information that the broadcast mechanism carried by Android is sent to application layer
It broadcasts.
In the present embodiment, included broadcast is directly used without establishing the finger daemon specifically for printing device
Mechanism can save a large amount of system resources.
Wherein, application layer has at least one App interested in the printing device status information for knowing system connection.
204, the App of registered first broadcast obtains status information.
It is interested in the printing device status information for knowing that system connects in application layer before implementing the present embodiment
App need to first register the first broadcast, it is wide that the App of only registered first broadcast could obtain first sent to application layer
It broadcasts.
In this step, the App of registered first broadcast receives the first broadcast in application layer, and in the first broadcast
Capture the status information of printing device.So far, realize that App obtains the status information process of printing device in real time.
205, the state of printing device is prompted the user with according to the status information.
The App of registered first broadcast prompts the user with the state of printing device according to the status information, is specifically as follows
The modes such as prompt, text prompt are illustrated, are not especially limited here.
206, App sends the second broadcast including print control code to application framework layer.
The App of registered first broadcast is interested therefore registered in the printing device status information for knowing system connection
The App of first broadcast typically also is provided with the functional module of control printing device.It obtains and beats in real time to 205 completion App in step 201
After the status information of printing apparatus and the process prompted, subsequent execution step 206 to 209, to realize that relevant App control is beaten
The process of printing apparatus.
App to the control of printing device is realized by sending print control code.App is sent out to application framework layer
Second including print control code is sent to broadcast, wherein the printing device operation of print control code instruction includes but is not limited to:
Start printing, time-out printing, stop printing.
207, the first kind receives the second broadcast by Netlink mechanism, and obtains that the print control code is corresponding to be beaten
Print control command.
It wherein, need to be in the relevant print control order of the newly-increased definition of application framework layer.Correspondingly, print control order
Including but not limited to: starting print command, stops print command at time-out printing order.
The first kind is located at application framework layer, and specifically, the first kind is CommandListener class.
208, the first kind sends print control order to the second class.
Wherein, the second class also is located at application framework layer, and specifically, the second class is VolmeManage class.
209, the second class sends print control order to Linux inner core, so that kernel carries out accordingly printing device
Control.
In the present embodiment, using the plug of Uevent event monitoring printing device and its status information is obtained, then led to
It crosses the included broadcast mechanism of Android and sends broadcast to registered App, so that the status information is transmitted to App.Pass through reality
Technical solution of the present invention is applied, App is enabled to obtain the status information of printing device in real time.In the present embodiment, it also utilizes
The transmitting of Netlink mechanism includes the second broadcast of print control order, to realize under the premise of not establishing finger daemon
Control function of the App to printing device.
A kind of printer modes suggestion device based on Android will be described in detail in third embodiment of the invention,
Device specific structure described in the present embodiment refers to Fig. 3, comprising:
Printing device 301 monitors module 302, obtains module 303, sending module 304 and App305, wherein monitors module
302, printing device 301, acquisition module 303, sending module 304 and App305 are successively communicated to connect, and are obtained module 303 and are monitored
Module 302 communicates to connect.App305 further include: acquisition submodule 3051.
Module 302 is monitored, for monitoring the Uevent event plugged based on printing device 301 in application framework layer.
The monitoring module 302 of the embodiment of the present invention is persistently monitored in application framework layer and is plugged based on printing device 301
Uevent event persistently monitored if not hearing expected Uevent event；If listening to expected Uevent event,
It then triggers acquisition module 303 and executes operation.
Module 303 is obtained, for obtaining printing device 301 when monitoring module 302 listens to expected Uevent event
Status information.
The expected Uevent plugged based on printing device 301 is listened in application framework layer when monitoring module 302
When event, module 303 is obtained using android system and has the status information that mechanism obtains the printing device 301.Wherein, it beats
Printing apparatus 301 is specifically as follows printer, and status information includes but is not limited to: plug state information, print queue status information,
Printing progress status information or feeder status information.
It is also that status information write-in first is wide after the status information for obtaining the acquisition printing device 301 of module 303
It broadcasts.Then by the first broadcast delivery to sending module 304.
Sending module 304, it includes the state that the broadcast mechanism for being carried by Android is sent to application layer
First broadcast of information.
In the present embodiment, straight by sending module 304 specifically for the finger daemon of printing device 301 without foundation
It connects using included broadcast mechanism, a large amount of system resources can be saved.
Wherein, application layer has at least one App305 to 301 status information of printing device for knowing system connection
It is interested.
The acquisition submodule 3051 of App305, for obtaining the status information.
Wherein, registered first broadcast of the App305.
301 status information sense of printing device before implementing the present embodiment, in application layer to system connection is known
The App305 of interest need to first register the first broadcast, and the App305 of only registered first broadcast could be obtained to be sent out to application layer
The first broadcast sent.
The App305 of registered first broadcast receives the first broadcast in application layer, and by acquisition submodule 3051 the
The status information of printing device 301 is captured in one broadcast.So far, realize that App305 obtains the state letter of printing device 301 in real time
Breath process.
In the present embodiment, module 302 is monitored using the plug of Uevent event monitoring printing device 301 and obtain its shape
State information, then sending module 304 is sent to registered App305 by the broadcast mechanism that Android is carried and is broadcasted, thus
The status information is transmitted to App305.By implementing technical solution of the present invention, enables to App305 to obtain printing in real time and set
Standby 301 status information.
Fourth embodiment of the invention by the printer modes suggestion device described in 3rd embodiment based on Android into
Row remarks additionally, and device specific structure described in the present embodiment refers to Fig. 4, comprising:
Printing device 401 monitors module 402, obtains module 403, sending module 404, App405, the first generic module 406
With the second generic module 407, wherein printing device 401 obtains module 403, sending module 404, App405, the first generic module
406, the second generic module 407 successively communicates to connect, and printing device 401 and monitoring module 402 communicate to connect.App405 further include:
Acquisition submodule 4051, prompting submodule 4052 and sending submodule 4053.
Module 402 is monitored, for monitoring the Uevent event plugged based on printing device 401 in application framework layer.
The monitoring module 402 of the embodiment of the present invention is persistently monitored in application framework layer and is plugged based on printing device 401
Uevent event persistently monitored if not hearing expected Uevent event；If listening to expected Uevent event,
It then triggers acquisition module 403 and executes operation.
Module 403 is obtained, for obtaining printing device 401 when monitoring module 402 listens to expected Uevent event
Status information.
The expected Uevent plugged based on printing device 401 is listened in application framework layer when monitoring module 402
When event, module 403 is obtained using android system and has the status information that mechanism obtains the printing device 401.Wherein, it beats
Printing apparatus 401 is specifically as follows printer, and status information includes but is not limited to: plug state information, print queue status information,
Printing progress status information or feeder status information.
It is also that status information write-in first is wide after the status information for obtaining the acquisition printing device 401 of module 403
It broadcasts.Then by the first broadcast delivery to sending module 404.
Sending module 404, it includes the state that the broadcast mechanism for being carried by Android is sent to application layer
First broadcast of information.
In the present embodiment, straight by sending module 404 specifically for the finger daemon of printing device 401 without foundation
It connects using included broadcast mechanism, a large amount of system resources can be saved.
Wherein, application layer has at least one App405 to 401 status information of printing device for knowing system connection
It is interested.
The acquisition submodule 4051 of App405, for obtaining the status information.
Wherein, registered first broadcast of the App.
401 status information sense of printing device before implementing the present embodiment, in application layer to system connection is known
The App405 of interest need to first register the first broadcast, and the App405 of only registered first broadcast could be obtained to be sent out to application layer
The first broadcast sent.
The App405 of registered first broadcast receives the first broadcast in application layer, and by acquisition submodule 4051 the
The status information of printing device 401 is captured in one broadcast.
The prompting submodule 4052 of App405, for prompting the user with the state of printing device 401 according to status information.
The prompting submodule 4052 of the App405 of registered first broadcast prompts the user with printing according to the status information and sets
Standby 401 state is specifically as follows the modes such as diagram prompt, text prompt, is not especially limited here.
The sending submodule 4053 of App405 includes the second of print control code for sending to application framework layer
Broadcast.
The App405 of registered first broadcast is interested in 401 status information of printing device for knowing system connection, therefore
The App405 of registered first broadcast typically also is provided with the functional module of control printing device 401, such as sending submodule 4053.
App405 is to send print control code by sending submodule 4053 to realize to the control of printing device 401.
App405 sends the second broadcast including print control code to application framework layer, wherein print control code instruction
The operation of printing device 401 includes but is not limited to: starting printing, stops printing at time-out printing.
First generic module 406, for receiving the second broadcast that sending submodule 4053 is sent by Netlink mechanism, and
The corresponding print control order of print control code is obtained, is also used to send the print control order to the second generic module 407.
It wherein, need to be in the relevant print control order of the newly-increased definition of application framework layer.Correspondingly, print control order
Including but not limited to: starting print command, stops print command at time-out printing order.
First generic module 406 is located at application framework layer, and specifically, the first generic module 406 is CommandListener
Class.Wherein, the second class also is located at application framework layer, and specifically, the second class is VolmeManage class.
Second generic module 407, for sending the print control order to Linux inner core, so that 408 pairs of kernel printings
Equipment 401 is controlled accordingly.
Wherein, the second generic module 407 also is located at application framework layer, and specifically, the second generic module 407 is
VolmeManage class.
In the present embodiment, module 402 is monitored using the plug of Uevent event monitoring printing device 401 and obtain its shape
State information, then sending module 404 is sent to registered App405 by the broadcast mechanism that Android is carried and is broadcasted, thus
The status information is transmitted to App405.By implementing technical solution of the present invention, enables to App405 to obtain printing in real time and set
Standby 401 status information.In the present embodiment, it includes that print control is ordered that also the first generic module 406 is received using Netlink mechanism
The second broadcast enabled, to realize App405 to the control function of printing device 401 under the premise of not establishing finger daemon.
Be provided for the embodiments of the invention above a kind of printer modes reminding method based on Android and device into
It has gone and has been discussed in detail, but the above embodiments are only used to help understand structure and its core concept of the invention, do not answered
It is interpreted as limitation of the present invention.Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in
Change or replacement, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of printer modes reminding method based on Android, which is characterized in that be applied to Android equipment for customizing, institute
It states Android equipment for customizing and only runs the operation App for manipulating this equipment in application layer；Include:
The Uevent event based on printing device plug is persistently monitored in application framework layer；
When listening to expected Uevent event, the status information of the printing device is obtained；
The broadcast mechanism carried by Android sends the first broadcast including the status information to application layer；
The App of registered first broadcast obtains the status information.
2. the printer modes reminding method according to claim 1 based on Android, which is characterized in that the state
Information includes:
Plug state information, print queue status information, printing progress status information or feeder status information.
3. the printer modes reminding method according to claim 1 or 2 based on Android, which is characterized in that it is described
After the App acquisition status information for registering first broadcast further include:
The state of the printing device is prompted the user with according to the state information.
4. the printer modes reminding method according to claim 1 or 2 based on Android, which is characterized in that also wrap
It includes:
The App sends the second broadcast including print control code to application framework layer；
The first kind receives second broadcast by Netlink mechanism, and obtains the corresponding printing control of the print control code
System order；
The first kind sends the print control order to the second class；
Second class sends the print control order to Linux inner core, so that the interior verification printing device carries out phase
The control answered.
5. the printer modes reminding method according to claim 4 based on Android, which is characterized in that
The first kind is CommandListener class, and second class is VolmeManage class.
6. a kind of printer modes suggestion device based on Android, which is characterized in that be applied to Android equipment for customizing, packet
App is included, the Android equipment for customizing only runs the operation App for manipulating this equipment in application layer；Further include:
Module is monitored, for persistently monitoring the Uevent event based on printing device plug in application framework layer；
Module is obtained, for obtaining the shape of the printing device when the monitoring module listens to expected Uevent event
State information；
Sending module, it includes the status information that the broadcast mechanism for being carried by Android is sent to application layer
First broadcast；
The App includes acquisition submodule, for obtaining the status information, wherein the App registered described first is wide
It broadcasts.
7. the printer modes suggestion device according to claim 6 based on Android, which is characterized in that the state
Information includes:
Plug state information, print queue status information, printing progress status information or feeder status information.
8. the printer modes suggestion device according to claim 6 or 7 based on Android, which is characterized in that described
App further include:
Prompting submodule, for prompting the user with the state of the printing device according to the state information.
9. the printer modes suggestion device according to claim 6 or 7 based on Android, which is characterized in that
The App further includes sending submodule, wide for sending second including print control code to application framework layer
It broadcasts；
Described device further include:
First generic module, for receiving second broadcast by Netlink mechanism, and it is corresponding to obtain the print control code
Print control order；First generic module is also used to send the print control order to the second generic module；
Second generic module, for sending the print control order to Linux inner core, so that the interior verification printing is set
It is standby to be controlled accordingly.
10. the printer modes suggestion device according to claim 9 based on Android, which is characterized in that
First generic module is CommandListener class, and second generic module is VolmeManage class.
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| CN105204949B (en) * | 2015-08-27 | 2021-06-08 | 威盛电子股份有限公司 | Method and device for actively triggering system broadcast in encryption process of mobile phone secure digital card |
| CN107908373A (en) * | 2017-10-27 | 2018-04-13 | 深圳华云科技实业有限公司 | The sending method and device of a kind of print data |
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| CN101963892A (en) * | 2010-09-26 | 2011-02-02 | 无锡永中软件有限公司 | Method and device for printing table data |
| CN103150131A (en) * | 2013-02-27 | 2013-06-12 | 无锡方圆环球显示技术股份有限公司 | Transmission printing system based on WiFi (wireless fidelity) and the like on Android platform |
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| CN2831657Y (en) * | 2005-07-15 | 2006-10-25 | 康佳集团股份有限公司 | Cell phone with USB directly printing interface |
| JP5082965B2 (en) * | 2008-03-21 | 2012-11-28 | セイコーエプソン株式会社 | Printing apparatus and information management system |
| KR20110029435A (en) * | 2009-09-15 | 2011-03-23 | 삼성전자주식회사 | Priter and method for printing document of mobile terminal and the mobile terminal thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101963892A (en) * | 2010-09-26 | 2011-02-02 | 无锡永中软件有限公司 | Method and device for printing table data |
| CN103150131A (en) * | 2013-02-27 | 2013-06-12 | 无锡方圆环球显示技术股份有限公司 | Transmission printing system based on WiFi (wireless fidelity) and the like on Android platform |
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