CN103927028B - The method for realizing electromagnetic touch side key function - Google Patents
The method for realizing electromagnetic touch side key function Download PDFInfo
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- CN103927028B CN103927028B CN201410181341.3A CN201410181341A CN103927028B CN 103927028 B CN103927028 B CN 103927028B CN 201410181341 A CN201410181341 A CN 201410181341A CN 103927028 B CN103927028 B CN 103927028B
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Abstract
The embodiment of the invention discloses a kind of method for realizing electromagnetic touch side key function, suitable for the electromagnetic touch screen with android system, and it is provided with a configuration array in driving, store the event value corresponding with the side key different operating, when an operation of the side key is configured as realizing the function for the common key-press being defined in Linux, corresponding event value is just set to value of the common key-press defined in Linux, when an operation of the side key is configured as running an application program, corresponding event value is set as value of the special key defined in Linux, methods described includes step：S1, the operation of the side key is detected, and according to event value analogue-key event corresponding with the operation in the configuration array；S2, when being the common key-press corresponding to the key-press event, perform the key-press event；S3, when being the special key corresponding to the key-press event, run corresponding application program.
Description
Technical field
The present invention relates to the implementation method of a kind of electronic equipment accessory functions, more particularly to one kind to realize electromagnetic touch side
The method of side keypress function.
Background technology
Have in current existing tablet personal computer and mobile phone etc. in the equipment of electromagnetic touch screen, all user mutuals are basic
On be to be carried out by touch-screen.Such as on a touch-screen equipment with android system, to open some application program
It can be realized by clicking on the icon of the application；Exit some application or return to last layer application, can pass through a little
The return key in the screen lower left corner is hit to realize；, can be by clicking on the screen lower left corner if exiting whole programs returns to desktop
Home key realize.But to complete these operations needs to move finger, so as to influence efficiency, causes Consumer's Experience bad.
Therefore, use for convenience, an electromagnetic touch pen is equipped with to the equipment with electromagnetic touch screen, and in the electricity
Set up on magnetic felt pen, such as erasing rubber, side key function button can reduce the shifting of user's finger when using touch-screen
It is dynamic.The side key is commonly used for selection operation, i.e., editor when pin side key and drag then automatically into
Frame lectotype.Due to the characteristic of electromagnetic touch pen, can be sensed when pen is close to touch-screen, but now nib no pressure,
The electromagnetic touch pen is in rotation and stops state.In existing design, for the equipment with android system, stop in rotation
Side key under state is non-functional, and this causes side key not fully played.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, there is provided one kind realizes electromagnetic touch side key function
Method, suitable for the electromagnetic touch screen with android system, the electromagnetic touch side key can be made to stop shape in rotation
Also certain function can be realized under state, further reduces the movement of user's finger when using touch-screen equipment.
In order to solve the above-mentioned technical problem, the embodiments of the invention provide one kind to realize electromagnetic touch side key function
Method, the electromagnetic touch pen be applied to android system electromagnetic touch screen, it is characterised in that described
Android system kernel layers driving in include a configuration array, store in the configuration array with the side by
The corresponding event value of key different operating, have when an operation of the side key is configured as realizing in Linux
During the function of the common key-press of definition, corresponding event value is just set to value of the common key-press defined in Linux, when described
When one operation of side key is configured as running an application program, corresponding event value is set as a special key and existed
Value defined in Linux, the method for realizing electromagnetic touch side key function include step：
S1, the operation of the side key is detected, and according to event value corresponding with the operation in the configuration array
Analogue-key event；
S2, when being the common key-press corresponding to the key-press event, perform the key-press event；
S3, when being the special key corresponding to the key-press event, run corresponding application program.
Further, the common key-press includes return key, Home key, Menu key, search key, and the special key includes
F13 to F24.
Further, before step S1, initialization is driven, the initialization includes step：
S01, input equipment is distributed for the electromagnetic touch pen, and button is supported by all in the input equipment
Corresponding position is set to 1；
S02, a delay dispatching task is created, for analogue-key event；
S03, a system interface file is created, for writing information into the configuration array.
Especially, the operation includes the side key no less than click once.
Further, the side key has current state and two attributes of laststate, and each attribute, which has, to be pressed
Two states are not pressed, and the step S1 specifically includes step：
S11, whether the pen point pressure for detecting the electromagnetic touch pen is 0, if into step S12, otherwise enters step
Rapid S110；
S12, detect whether the side key current state is to press, if yes then enter step S13, otherwise enter step
Rapid S15；
S13, not press, if yes then enter step S14, otherwise whether the laststate for judging the side key is
Into step S110；
S14, cancel the delay dispatching task, the laststate of the side key is arranged to press, and record and press
At the time of lower；
S15, whether the laststate for judging the side key is to press, if into step S16, otherwise enters step
Rapid S110；
S16, at the time of recording side key release, and the laststate of side key is set not press；
Whether S17, the time difference pressed described in judgement between moment and the release moment are less than a default duration,
If yes then enter step S18, otherwise into step S19；
S18, the counter for recording the side key number of clicks add 1, and by performing delay dispatching task mould
Intend the one-touch number key-press event corresponding with recording numerical value in the counter, into step S110；
S19, reset the counter；
S110, terminate.
Further, methods described includes, by setting Settings to provide the user configuration interface, being specifically included in cloth
Increase at least one control in office file, each control provides a user an option, the operation of each side key at most with
One option is corresponding.
Further, realize that the configuration interface includes step：
S41, according to the situation that is currently configured, initial configuration interface；
S42, wait user's selection；
S43, whether judge user's selection is operation application program, if yes then enter step S44, otherwise into step
S47；
S44, obtains the application list, and one dialog box of ejection selects for user；
S45, wait user's selection；
S46, the bag name and class name of the application program of record user's selection, and the name of application program is included on configuration circle
In face；
S47, the option selected according to user generates corresponding character string and is written in system interface file, and storage configuration
Information；
S48, terminate.
Further, generate corresponding character string according to n, val form in step S47 and write the system interface file
In, wherein n represents that the side key clicks n+1 times, and val represents the event value for corresponding to the operation for clicking on n+1 click
Further, the parameter in the configuration array is arranged to automatic loading of starting shooting, it is one wide specifically includes registration
Broadcast receiver be used for receive start broadcast, when system call the radio receiver when, according to the configuration information of storage generation one
Individual character string is written in corresponding system interface file.
Further, methods described only handles the operation that number of clicks is not more than 5, and respectively will be with the side key
Click, double-click, three hitting, four hitting, event value corresponding to five operations hit is arranged to special key F13, F14, F15, F16, F17 and existed
Value defined in Linux.
The embodiment of the present invention also provides a kind of electromagnetic touch pen, and nib has pressure sensor, it is characterised in that the electricity
Electromagnetic signal emitting device is included in magnetic felt pen, the penholder of the electromagnetic touch pen is provided with the side key that can be clicked on, institute
State electromagnetic signal emitting device and the operation of the side key can be converted into electromagnetic signal and pass to external equipment, so as to described
External equipment performs the above-mentioned method for realizing electromagnetic touch side key function according to the electromagnetic signal.
The embodiment of the present invention also provides a kind of equipment with electromagnetic touch screen, and there is the equipment electromagnetic signal to receive dress
Put, the electromagnetic signal reception device is used to receive the electromagnetic signal that external equipment is sent, and the equipment, which has, has built
The circuit board of Android system, the circuit board are used to perform the above-mentioned method for realizing electromagnetic touch side key function.
Implement the embodiment of the present invention, have the advantages that：
1, enrich the function that rotation stops electromagnetic touch pen under state.
2, realize the function that application program is opened by clicking on side key.
3, the movement of user's finger in operation is reduced, improves the efficiency of operation.
4, provide the user the interactive interface for configuring the side key.
5, user can set the electromagnetic touch pen according to the custom of oneself.
6, automatic loading data of starting shooting, manual loading during without start every time.
Brief description of the drawings
Fig. 1 is the driving initialization flowchart of one embodiment of the invention；
Fig. 2 is the flow chart of one embodiment of the invention；
Fig. 3 is the flow chart of another embodiment of the present invention；
Fig. 4 is the flow chart of analogue-key event in one embodiment of the invention；
Fig. 5 is the schematic diagram for realizing configuration interface of one embodiment of the invention；
Fig. 6 is that one embodiment of the invention is realizing the flow chart of side key functional configuration；
Fig. 7 is flow chart of the one embodiment of the invention when intercepting and capturing key-press event.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with accompanying drawing
It is described in detail on step ground.
Electromagnetic touch pen of the present invention is applied to the equipment with electromagnetic touch screen, and for convenience of using, the electromagnetism touches
Pen is touched provided with function buttons such as erasing rubbers.
Specifically, in embodiments of the present invention, the nib of the electromagnetic touch pen has pressure sensor, and the electromagnetism touches
Touch and electromagnetic signal emitting device is included in pen, the penholder of the electromagnetic touch pen is provided with the side key that can be clicked on, the electricity
The operation of the side key can be converted into electromagnetic signal and pass to external equipment by magnetic signal emitter, so as to the outside
Equipment performs the method for realizing electromagnetic touch side key function described in following embodiments according to the electromagnetic signal.
Accordingly, electromagnetic signal reception device, the electromagnetic signal reception device are provided with the equipment with electromagnetic touch screen
Available for receiving the electromagnetic signal sent of external equipment, the equipment with electromagnetic touch screen is also with having built operating system
Circuit board, the circuit board can be used for performing the side for realizing electromagnetic touch side key function described in following embodiments
Method.
The present invention will be discussed in detail exemplified by realizing the inventive method in android system below.Firstly the need of modification
The kernel layers driving of the electromagnetic touch screen.Fig. 1 is the driving initialization flowchart of one embodiment of the invention, such as Fig. 1 institutes
Show, initialization driving comprises the following steps：
S01, the use of input_allocate_device functions is that the electromagnetic touch pen distributes an input equipment dev,
And the corresponding position that button is supported in dev is set to 1 using _ setbit functions；
S02, creates a delay dispatching task, the delay dispatching task can by input_report_key and
Input_sync functional simulation key-press events；
S03, system interface file a sys, the system interface file sys are created using diver_create_file
For writing information into the configuration array.
After initialization driving, the electromagnetic touch screen will can identify the x of the electromagnetic touch pen, y-coordinate, can obtain
Take the information such as the state of the pressure p of the electromagnetic touch nib, the state of side key and erasing rubber.In order to realize this hair
Bright methods described, driving initialize outside also need in driving increase a configuration array keys, which stores with institute
State the corresponding event value keycode of side key different operating.When an operation of the side key is configured as realizing
During the function for the common key-press being defined in Linux, corresponding event value is just set to the common key-press in Linux
The value of definition, wherein the common key-press refers to return key, Home key, Menu key, search key etc..When one of the side key
Operation is when being configured as starting a certain application program, corresponding event value be set to one had been defined in Linux it is special by
The value of key.Wherein described special key refers to the key for including F13 to F24 etc..
Give one example, if operation is that side key is clicked corresponding to first element in the configuration array, and I
Want by functional configuration corresponding to this operation for return last layer, i.e. return key function, if return key is in Linux source codes
Had been defined in the include/linux/input.h files in path, and if being worth and being 1, then the configuration array will be with
Keys [0]=1 form records this corresponding relation.
After configuration array is set, the electromagnetic touch side key is realized by step can shown in Fig. 2
Function.As shown in Fig. 2 in one embodiment of the invention, realize the side of the electromagnetic touch side key function
Method comprises the following steps：
S1, the operation of the side key is detected, and according to event value corresponding with the operation in the configuration array
Analogue-key event；
S2, when being the defined common key-press in Linux corresponding to the key-press event, perform the button
Event；
S3, when being the defined special key in Linux corresponding to the key-press event, start corresponding to should
Use program.
Specifically, analogue-key event refers to described in step S1, a signal is sent to system, instruction system some press
Key is clicked.In an embodiment of the present invention, the operation of the side key is given directions and hits side key, that is, influences side key work(
The number for being click on button of energy.In the embodiment shown in fig. 3, the operation, which refers to, presses the side key and makes a reservation at one
Duration, such as 200ms, within discharge, if another one click occurs within 200ms upon discharge, then it is assumed that number of clicks
Add 1, to certain compressing time more than the time of 200ms or release more than 200ms when, terminate depending on this clicking operation.This
Outside, the side key has current state ss and two attributes of laststate sslast, and has and press and do not press two kinds
State, represented respectively with 1,0.Fig. 3 is the flow chart of one embodiment of the invention, specifically includes step：
S11, detects whether the electromagnetic touch pen in rotation stops state, that is, detects the pen point pressure of the electromagnetic touch pen
Whether p is 0, if into step S12, otherwise into step S110；
S12, detects whether the electromagnetic touch side key current state ss is to press, if yes then enter step
S13, otherwise into step S15；
S13, whether the laststate sslast for judging the side key is not press, if yes then enter step S14,
Otherwise step S110 is entered；
S14, cancel the delay dispatching task, the laststate sslast of the side key is arranged to press, remember
Tdown at the time of record is pressed；
S15, judge the side key laststate sslast whether be to press, it is no if into step S16
Then enter step S110；
S16, preserves the time tup of the side key release, and sets the laststate sslast of side key as not
Press；
Whether S17, the time difference pressed described in judgement between moment tdown and release moment tup are less than 200ms,
If yes then enter step S18, otherwise into step S19；
S18, the counter count for recording the side key number of clicks adds 1, by performing delay dispatching task
The one-touch number key-press event corresponding with recording numerical value in the counter count is simulated, into step S110；
S19, reset the counter count；
S110, processing terminate.
In step S18, as shown in figure 4, simulation one-touch number is that pressing for numerical value is recorded in the counter count
The specific implementation step of key events is as follows：
S021, judges whether the value that is recorded in the counter count is more than 0, if yes then enter step S022, otherwise
Into step S028；
Whether S022, the value for judging to record in the counter count are more than the number of element in configuration array keys, such as
Fruit is to enter step S023, otherwise into step S024；
S023, number of elements in configuration array keys is assigned to the counter count；
S024, find out the event value corresponding with the value of counter count records in the configuration array keys；
S025, judges whether the event value keycode is more than 0, if yes then enter step S026, otherwise into step
S028；
S026, use key assignments of input_report_key and input_sync functional simulations pressing for the event value
Key events；
S027, reset counter count；
S028, processing terminate.
In order to be more convenient setting of the user to the side key function, also include in one embodiment of the invention logical
Cross setting Settings and provide the user configuration interface.In configuration interface as shown in Figure 5, user can be by side key
One operation, such as side key double-click, it is arranged to realize the function of return key, Home key, Menu key, search key, or sets
To run application program.When user's selection be operation application program when, can eject a dialog Bar enumerated it is current all
The application program of installation selects for user.After what a application program user select, it can run and apply in the configuration interface
The lower section of program shows the title of the application program.Language＆input of this partial function in Settings PEN
Lower realization.Increase ListPreference controls first in topology file language_settings.xml to enumerate to user
Go out some options, the content of option is the function to be realized of side key operation, such as realizes the function of return key.The side
One operation of button only establishes corresponding relation with one in the option.After user have selected an option, the present invention
Key value is deposited into entitled persist.sys.emsw.n property by method by SystemProperties.set
Go, wherein n is related to number of clicks.Meanwhile the option according to selected by user, so that " n, val " form generate a character string
And be written into the system interface file sys that the driving of electromagnetic touch screen provides, the meaning of expression is, when n+1 point of generation
During the operation hit, simulation produces the key-press event that a sub-value is val.It is configured to search for for example, if user double-clicks side key
During key, then generating a character string, " 1,217 " are written in the system interface file, wherein 1 represents to double-click side key
Operation, 217 be value of the search key defined in linux.In the store functions of driving, pass through sscanf (buf, " %d, %
D " , ＆n , ＆val) n and val value can be parsed, val is then assigned to corresponding element, i.e. keys in configuration array keys
[n]=val.In addition to writing character string to the system interface file, it is also necessary to increase correspondence system in ueventd.rc
The system access limits of interface document.
Fig. 6 is that one embodiment of the invention is realizing the flow chart of side key functional configuration, including step：
S41, according to the situation that is currently configured, according to persist.sys.emsw.n value initial configuration interface, wherein n is
The number of clicks of the side key；
S42, wait user's selection；
S43, whether judge user's selection is operation application program, if yes then enter step S44, otherwise into step
S47；
S44, the application list is obtained by PackageManager, one dialog box of ejection selects for user；
S45, wait user's selection；
S46, the bag name package and class name class of the application program of record user's selection, and by the name of application program
It is shown in configuration interface；
S47, the project selected according to user, according to " n, val " form generate corresponding character string and is written to sys texts
In part, and result is deposited into persist.sys.emsw.n property；
S48, configuration terminate.
In one embodiment of the invention, the operation within side key five is hit only has been handled, specifically respectively by institute
State side key is clicked, double-clicked, three hitting, four hitting, event value corresponding to five operations hit is arranged to special key F13, F14,
The value of F15, F16, F17 defined in Linux source codes path, i.e. KEY_F13, KEY_F14, KEY_F15, KEY_F16, KEY_
F17.If user hits application program of the operation setting for the entitled package and entitled class of class of operation bag by three, record
Persist.sys.emsw.2=KEY_F15, persist.sys.emsw.F15.p=package,
Persist.sys.emsw.F15.c=class.Also need modification Android framework's simultaneously
InterceptKeyBeforeQueueing functions in PhoneWindowManager.java files, are intercepted in the function
The above-mentioned special key specified.When finding specified button, persist.sys.emsw.Fxx.p corresponding to inspection and
Whether persist.sys.emsw.Fxx.c, which has, sets corresponding bag name and class name, and wherein Fxx represents intercepted and captured special key,
Such as F13 or F14 etc..If all effectively, creating an intent using Intent.setClassName, then use
Context.startActivity starts such.Fig. 7 is flow chart of the one embodiment of the invention when intercepting and capturing key-press event,
Including step：
S31, judge whether the key-press event is corresponding with any one of F13~F17, it is no if yes then enter step S32
Then enter step S34；
S32, check whether persist.sys.emsw.Fxx.p and persist.sys.emsw.Fxx.c is effective, if
Then enter step S33, otherwise into step S34；
S33, created according to persist.sys.emsw.Fxx.p and persist.sys.emsw.Fxx.c corresponding
Intent, and start application program；
S34, terminate.
Because configuration parameter is stored in Android layers, thus also need to when android system starts by configuration parameter from
It is dynamic to be written in Linux sys files.This can receive start broadcast by Android BroadcastReceiver
Intent.ACTION_BOOT_COMPLETED is realized.It is specifically included in the file of Android Settings application programs
Intent.ACTION_BOOT_COMPLETED radio receiver is registered in AndroidManifest.xml, works as system
During start completion, the receiver can be called automatically.When system calls the radio receiver, basis is deposited in radio receiver
The persist.sys.emsw.n values of storage generate a character string and are written to i.e. achievable configuration in corresponding system interface file
The start of parameter loads automatically.
Although it should be pointed out that being all the implementation method under android system in the embodiment of the present invention, can not be come with this
The interest field of the present invention is limited, therefore is applied to the equivalent variations under other systems according to spirit of the invention, still belongs to institute of the present invention
The scope covered.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of method for realizing electromagnetic touch side key function, the electromagnetic touch pen is applied to have Android systems
The electromagnetic touch screen of system, it is characterised in that a configuration array is included in the kernel layers driving of the android system,
The event value corresponding with the side key different operating is store in the configuration array, when one of the side key
When operation is configured as realizing the function for the common key-press being defined in Linux, corresponding event value is just set to described
Value of the common key-press defined in Linux, when an operation of the side key is configured as running an application program,
Corresponding event value is set as value of the special key defined in Linux, described to realize electromagnetic touch side key work(
The method of energy includes step：
S1, in the case where rotation stops state, the operation of the side key is detected, and according to corresponding with the operation in the configuration array
Event value analogue-key event；
S2, when being the common key-press corresponding to the key-press event, perform the key-press event；
S3, when being the special key corresponding to the key-press event, run corresponding application program.
2. method according to claim 1, it is characterised in that the common key-press include return key, Home key, Menu key,
Search key, the special key include F13 to F24.
3. method according to claim 1, it is characterised in that before step S1, be driven initialization, the initialization
Including step：
S01, for the electromagnetic touch pen distribute an input equipment, and by the input equipment it is all support button correspondence
Position is set to 1；
S02, a delay dispatching task is created, for analogue-key event；
S03, a system interface file is created, for writing information into the configuration array.
4. method according to claim 3, it is characterised in that the operation includes the side key no less than point once
Hit, the side key has current state and two attributes of laststate, and each attribute, which has, to be pressed and do not press two kinds of shapes
State, the step S1 specifically include step：
S11, whether the pen point pressure for detecting the electromagnetic touch pen is 0, if into step S12, otherwise into step
S110；
S12, detect whether the side key current state is to press, if yes then enter step S13, otherwise into step
S15；
S13, whether the laststate for judging the side key is not press, if yes then enter step S14, otherwise enters step
Rapid S110；
S14, cancel the delay dispatching task, the laststate of the side key is arranged to press, and record what is pressed
Moment；
S15, whether the laststate for judging the side key is to press, if into step S16, otherwise into step
S110；
S16, at the time of recording side key release, and the laststate of side key is set not press；
Whether S17, the time difference pressed described in judgement between moment and the release moment are less than a default duration, if
It is then to enter step S18, otherwise into step S19；
S18, the counter for recording the side key number of clicks add 1, and by performing delay dispatching task simulation one
The secondary touch potential key-press event corresponding with recording numerical value in the counter, into step S110；
S19, reset the counter；
S110, terminate.
5. method according to claim 1, it is characterised in that methods described is included by setting Settings to provide the user
Configuration interface, being specifically included in topology file increases at least one control, and each control provides a user an option, each
The operation of side key is at most corresponding with an option.
6. method according to claim 5, it is characterised in that realize that the configuration interface includes step：
S41, according to the situation that is currently configured, initial configuration interface；
S42, wait user's selection；
S43, whether judge user's selection is operation application program, if yes then enter step S44, otherwise into step S47；
S44, obtains the application list, and one dialog box of ejection selects for user；
S45, wait user's selection；
S46, the bag name and class name of the application program of record user's selection, and the name of application program is included in configuration interface
In；
S47, the option selected according to user generate corresponding character string and are written in system interface file, and storage configuration is believed
Breath；
S48, terminate.
7. method according to claim 1, it is characterised in that the parameter in the configuration array is arranged to start and added automatically
Carry, specifically include one radio receiver of registration and be used to receive start broadcast, when system calls the radio receiver, according to
The configuration information of storage generates a character string and is written in corresponding system interface file.
8. method according to claim 2, it is characterised in that methods described only handles the operation that number of clicks is not more than 5, and
And will click, double-click with the side key respectively, three hitting, four hitting, the corresponding event value of five operations hit be arranged to it is special by
The value of key F13, F14, F15, F16, F17 defined in Linux.
9. a kind of electromagnetic touch pen, nib have pressure sensor, it is characterised in that believe in the electromagnetic touch pen comprising electromagnetism
Number emitter, the penholder of the electromagnetic touch pen are provided with the side key that can be clicked on, and the electromagnetic signal emitting device can
The operation of the side key is converted into electromagnetic signal and passes to external equipment, so that the external equipment is according to the electromagnetism
Signal, perform claim require any methods describeds of 1-8.
10. a kind of equipment with electromagnetic touch screen, it is characterised in that the equipment has electromagnetic signal reception device, described
Electromagnetic signal reception device can receive the electromagnetic signal that external equipment is sent, and the equipment, which also has, has built android systems
The circuit board of system, the circuit board can be used for realizing any methods describeds of claim 1-8.
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| CN105187639A (en) * | 2015-08-17 | 2015-12-23 | 厦门美图移动科技有限公司 | Method and device for switching talk mode during call and mobile terminal |
| CN107544742B (en) * | 2016-06-28 | 2020-10-20 | 富泰华工业（深圳）有限公司 | Control method and electronic device thereof |
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