CN105117223A - Processing method and system of input event - Google Patents
Processing method and system of input event Download PDFInfo
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- CN105117223A CN105117223A CN201510515880.0A CN201510515880A CN105117223A CN 105117223 A CN105117223 A CN 105117223A CN 201510515880 A CN201510515880 A CN 201510515880A CN 105117223 A CN105117223 A CN 105117223A
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- event
- input equipment
- incoming event
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Abstract
The invention relates a processing method and system of an input event. The method comprises the following steps: reading an input equipment information file of a driving layer, and obtaining an event serial number corresponding to preset input equipment; monitoring the input event reported by the driving layer; and according to the event serial number of the preset input equipment and a thread for processing the input event, processing input event. The input equipment information file of the driving layer is read to obtain the event serial number of the preset input equipment, unnecessary input events can be filtered under a Recovery mode according to the event serial number, a situation that the Recovery system only responds to the input event of the preset input equipment can be guaranteed, so that equipment uncontrollability caused by the unnecessary input events can be effectively avoided under the Recovery mode, the operation of a user can be quickly responded under the Recovery mode, and the processing method and system has a high application value.
Description
Technical field
The present invention relates to operating system control field, particularly relate to a kind of disposal route and system of incoming event.
Background technology
Recovery pattern refers to the pattern that one can be modified to the data of Android (Android) device interior or system, can brush in this mode into new android system, or existing system is backed up or upgrades, also can at this pattern recovery Default Value.
Under Recovery pattern, Recovery system can receive all input (input) events, and present mobile phone also has other as the device of sensor, earphone and so on except touch-screen also can register input (input) equipment, these devices (such as acceleration transducer) all can report input event, what the system when user's point touching shields can be caused to respond is not the reported event of touch-screen, thus cause mobile phone interface button, phenomenon that menu daps, now user cannot manipulate mobile phone at all.
Summary of the invention
Based on this, the invention provides a kind of disposal route of incoming event, under Recovery pattern, effectively can filter out the input event as the equipment such as sensor, earphone, avoid Recovery system to cause user to manipulate by the interference of the input event of these equipment.
For achieving the above object, following technical scheme is adopted in the embodiment of the present invention:
A disposal route for incoming event, comprises the following steps:
Read the input equipment message file driving layer, obtain the event sequence number corresponding with default input equipment;
Monitor the incoming event driving layer to report;
According to the event sequence number of default input equipment and the thread of process incoming event, incoming event is processed.
Accordingly, the embodiment of the present invention also provides a kind of disposal system of incoming event, comprising:
Sequence number acquisition module, for reading the input equipment message file driving layer, obtains the event sequence number corresponding with default input equipment;
Monitor module, for monitoring the incoming event driving layer to report;
Processing module, for processing incoming event according to the thread of the event sequence number and process incoming event of presetting input equipment.
The present invention drives the input equipment message file of layer by reading and obtains event (event) sequence number of default input equipment, unnecessary input event can be filtered out under Recovery pattern according to event sequence number, ensure that Recovery system only responds the input event of default input equipment, therefore under Recovery pattern, the equipment that causes because of unnecessary input event both effectively can have been avoided uncontrollable, under Recovery pattern, the operation of user can be responded again fast, there is stronger using value.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the disposal route of a kind of incoming event in the embodiment of the present invention;
Fig. 2 is according to the schematic flow sheet that the thread of the event sequence number and process incoming event of presetting input equipment processes incoming event in the embodiment of the present invention;
Fig. 3 is the structural representation of the disposal system of a kind of incoming event in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, content of the present invention is described in further detail.
As shown in Figure 1, the present embodiment provides a kind of disposal route of incoming event, comprises the following steps:
S10 reads the input equipment message file driving layer, obtains the event sequence number corresponding with default input equipment;
When entering Recovery pattern, reading input equipment message file from driving layer, such as, reading input equipment message file at node/proc/bus/input/devices, obtaining the event sequence number corresponding with default input equipment.
Concrete, due under Recovery pattern, user mainly modifies to the data of Android device inside or system, Recovery system pays close attention to user at the touch operation of touch-screen or button operation, therefore, can set above-mentioned default input equipment according to the actual conditions of Android device.Such as, if only provide touch operation under Recovery pattern, then above-mentioned default input equipment can be set as touch-screen; If only provide button operation, then above-mentioned default input equipment can be set as button; If provide touch operation or button operation under Recovery pattern simultaneously, then above-mentioned default input equipment can be set as touch-screen and button.Certainly, respond the input event of other input equipment (such as the device such as acceleration transducer, earphone) if need under Recovery pattern, also can make relative set, illustrate no longer one by one herein.Hereafter only for default input equipment for touch-screen and button are described in detail, but can not to limit the scope of the invention with this.
Under Recovery pattern, read input equipment message file from driving layer, record the event sequence number (event sequence number) corresponding with button, the event sequence number that record is corresponding with touch-screen simultaneously.Wherein, drive the input equipment message file of layer corresponding with input equipment, it comprises the corresponding facility information of input equipment.
In a kind of embodiment, generate above-mentioned input equipment message file by following process:
By registration interface, each input equipment is registered at driving layer, generate input equipment message file.
Specifically, the registration interface that the driver of any input equipment can be provided by input input subsystem is registered to kernel, and the function utilizing input subsystem to provide is come with user's space mutual.
Input subsystem is hierarchy, is always divided into three layers: drive layer, subsystem core layer, event handling layer.The base unit communicated between each layer is exactly event, and the action of any one input equipment can be abstracted into a kind of input event, and as pressing of button, pressing of touch-screen is inferior.Wherein, layer is driven to be responsible for operating concrete hardware device, in the present embodiment, layer is driven to register input equipment by registration interface input_register_device (), under node/proc/bus/input/devices, produce corresponding input equipment message file, the input equipment message file that each input equipment is corresponding is as follows:
I:Bus＝0019Vendor＝0001Product＝0001Version＝0100
N:Name＝"gpio-keys"
P:Phys＝gpio-keys/input0
S:Sysfs＝/devices/soc.0/gpio_keys.65/input/input7
U:Uniq＝
H:Handlers＝kbdevent7
B:PROP＝0
B:EV＝23
B:KEY＝1000000000000000080000000
B:SW＝1
Consider the event sequence number of same input equipment under disparity items also likely different (this is because the quantity of the registration order of input equipment and device registration all can make event sequence number produce difference), such as certain project filters earphone dev/input/event3, and another project filters earphone dev/input/event6, in two projects, the event sequence number that earphone is corresponding is different, therefore, in a kind of embodiment, for ensureing the accuracy of input event handling, also need in this enforcement to upgrade the event sequence number of default input equipment under Recovery pattern.Such as, when reading input equipment message file when circulating, the event sequence number corresponding with touch-screen and button can be upgraded respectively, until input equipment message file terminates, event sequence number in Name=" gpio-keys " Handlers corresponding for button is recorded (event7), records event sequence number corresponding to touch-screen, such as simultaneously, event sequence number in Name=" synaptics-rmi " Handlers corresponding for touch-screen is recorded
S20 monitors the incoming event driving layer to report;
The input event that real-time listening drives layer to report, in a kind of embodiment, drives layer to report incoming event by interrupt function.
Such as, in the device drives of touch-screen, the whole reporting process of one click is as follows:
Input_reprot_abs (input_dev, ABS_X, x); //x coordinate
Input_reprot_abs (input_dev, ABS_Y, y); //y coordinate
input_reprot_abs(input_dev,ABS_PRESSURE,1)；
Input_sync (input_dev); // same to EOS
Input event is reported in keys interrupt:
S30 processes incoming event according to the thread of the event sequence number and process incoming event of presetting input equipment.
After obtaining the event sequence number presetting input equipment, input event can be processed according to the thread of event sequence number and process input event.Obtain the event sequence number of touch-screen and button in embodiment described above, then under Recovery pattern, utilize the thread of process input event only to process the input event of touch-screen and button.In this way, on the one hand for user provides corresponding operating space under Recovery pattern, problems such as causing touchscreen button because processing unnecessary input event, menu daps, user cannot manipulate effectively can be prevented on the other hand.
In a kind of embodiment, according to the event sequence number of default input equipment and the thread of process incoming event, the process that incoming event processes is comprised the following steps:
S301 carries out initialization according to the event sequence number presetting input equipment;
S302 runs the thread of process incoming event, and processes incoming event according to incoming event process function; The thread of described process incoming event comprises described incoming event process function.
Concrete, first complete a series of initialization operation processing input event according to the event sequence number of touch-screen and button, such as dev/input/event4, dev/input/event6, then the corresponding input event of thread process of process input event is run, wherein, thread is the minimum unit that program performs stream, is an entity in process, by the base unit that system is independently dispatched and assigned.Such as, run the thread pthread_create (& input_thread_t, NULL, ev_input_thread, NULL) of process input event in the present embodiment; Wherein, ev_input_thread is input event handling function, this process function can process the input event of touch-screen and button (such as button is pressed, touch screen coordinate etc.), according to the result of ev_input_thread, the operation of user under Recovery pattern can be realized, such as after user presses volume reduction key, the upper virtual return key of point touching screen, equipment is all responded, and now can not receive the interference of other input events.
In sum, the disposal route of incoming event provided by the invention, by obtaining the event sequence number of default input equipment, can filter out unnecessary input event, avoiding because unnecessary input event causes equipment uncontrollable under Recovery pattern.In addition, the present invention reads input equipment message file by circulation, even if when project difference causes the event sequence number of input equipment to change, also can obtain the event sequence number after renewal, ensure the accuracy of input event handling.
The present invention also provides a kind of disposal system of incoming event, provides a preferred embodiment of this disposal system below.
As shown in Figure 3, the disposal system of the incoming event in the present embodiment comprises:
Sequence number acquisition module 1, for reading the input equipment message file driving layer, obtains the event sequence number corresponding with default input equipment;
Monitor module 2, for monitoring the incoming event driving layer to report;
Processing module 3, for processing incoming event according to the thread of the event sequence number and process incoming event of presetting input equipment.
When entering Recovery pattern, sequence number acquisition module 1 reads input equipment message file from driving layer, such as, reads input equipment message file, obtain the event sequence number corresponding with default input equipment at node/proc/bus/input/devices.Concrete, due under Recovery pattern, user mainly modifies to the data of Android device inside or system, Recovery system pays close attention to user at the touch operation of touch-screen or button operation, therefore, can set above-mentioned default input equipment according to the actual conditions of Android device.Such as, if only provide touch operation under Recovery pattern, then above-mentioned default input equipment can be set as touch-screen; If only provide button operation, then above-mentioned default input equipment can be set as button; If provide touch operation or button operation under Recovery pattern simultaneously, then above-mentioned default input equipment is set as touch-screen and button.Certainly, respond the input event of other input equipment (such as the device such as acceleration transducer, earphone) if need under Recovery pattern, also can make relative set, no longer illustrate herein.Hereafter only for default input equipment for touch-screen and button are described in detail, but can not to limit the scope of the invention with this.
Under Recovery pattern, sequence number acquisition module 1 reads input equipment message file from driving layer, records the event sequence number (event sequence number) corresponding with button, the event sequence number that record is corresponding with touch-screen simultaneously.Wherein, drive the input equipment message file of layer corresponding with input equipment, it comprises the corresponding facility information of input equipment.
In a kind of embodiment, the disposal system of the incoming event of the present embodiment also can comprise Registering modules, for being registered each input equipment by registration interface at driving layer, generates input equipment message file.
The registration interface that the driver of any input equipment can be provided by input input subsystem is registered to kernel, and the function utilizing input subsystem to provide is come with user's space mutual.Input subsystem is always divided into three layers: drive layer, subsystem core layer, event handling layer.Layer is wherein driven to be responsible for operating concrete hardware device, in the present embodiment, drive layer to register input equipment by registration interface input_register_device (), under node/proc/bus/input/devices, generate input equipment message file.
Consider that the event sequence number of same input equipment under disparity items is also likely different, this is because the quantity of the registration order of input equipment and device registration all can make event sequence number produce difference, such as certain project filters earphone dev/input/event3, and another project filters earphone dev/input/event6, in two projects, the event sequence number that earphone is corresponding is different, therefore, in a kind of embodiment, sequence number acquisition module 1 in this enforcement circulates and reads described input equipment message file, upgrade the event sequence number corresponding with default input equipment.Such as, input equipment message file is read in circulation, until input equipment message file terminates, the event sequence number in Name=" gpio-keys " Handlers corresponding for button is recorded, and in like manner records event sequence number corresponding to touch-screen.
In a kind of embodiment, layer is driven to report incoming event by interrupt function, monitor the input event that module 2 real-time listening drives layer to report, processing module 3 can process input event according to the thread of the event sequence number of default input equipment and process input event.In embodiment described above, sequence number acquisition module 1 obtains the event sequence number of touch-screen and button, then under Recovery pattern, processing module 3 only processes the input event of touch-screen and button, in this way, on the one hand for user be provided in Recovery pattern under corresponding operating space, another aspect effectively can prevent problems such as causing touchscreen button because processing unnecessary input event, menu daps, user cannot manipulate.
In a kind of embodiment, as shown in Figure 3, processing module 3 comprises:
Initialization module 31, for carrying out initialization according to the event sequence number presetting input equipment;
Running module 32, for running the thread of process incoming event, and according to incoming event process function, incoming event being processed; The thread of described process incoming event comprises incoming event process function.
Concrete, initialization module 31 completes a series of initialization operation processing input event according to the event sequence number of touch-screen and button, such as dev/input/event4, dev/input/event6, run the thread that module 32 runs process input event, wherein, thread is the minimum unit that program performs stream, is an entity in process, by the base unit that system is independently dispatched and assigned.Such as, the present embodiment runs the thread pthread_create (& input_thread_t, NULL, ev_input_thread, NULL) that module 32 runs process input event; Wherein, ev_input_thread is input event handling function, this process function can process the input event of touch-screen and button (such as button is pressed, touch screen coordinate etc.), according to the result of ev_input_thread, the operation of user under Recovery pattern can be realized, such as user presses volume and reduces key, the upper virtual return key of point touching screen, and equipment is all responded.
In sum, the disposal system of incoming event provided by the invention can filter out unnecessary input event according to event sequence number under Recovery pattern, ensure that only the input event of input equipment is preset in response, therefore under Recovery pattern, the equipment that causes because of unnecessary input event both effectively can have been avoided uncontrollable, under Recovery pattern, the operation of user can be responded again fast, there is stronger using value.In addition, the disposal system of incoming event provided by the invention is circulated by sequence number acquisition module 1 and reads input equipment message file, even if when project difference causes the event sequence number of input equipment to change, also can obtain the event sequence number after renewal, thus ensure the accuracy of input event handling.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a disposal route for incoming event, is characterized in that, comprises the following steps:
Read the input equipment message file driving layer, obtain the event sequence number corresponding with default input equipment;
Monitor the incoming event driving layer to report;
According to the event sequence number of default input equipment and the thread of process incoming event, incoming event is processed.
2. the disposal route of incoming event according to claim 1, is characterized in that, comprises the following steps the process that incoming event processes according to the event sequence number of default input equipment and the thread of process incoming event:
Event sequence number according to default input equipment carries out initialization;
Run the thread of process incoming event, and according to incoming event process function, incoming event is processed; The thread of described process incoming event comprises described incoming event process function.
3. the disposal route of incoming event according to claim 1 and 2, is characterized in that, further comprising the steps of:
By registration interface, each input equipment is registered at driving layer, generate input equipment message file.
4. the disposal route of incoming event according to claim 1 and 2, is characterized in that, further comprising the steps of:
Layer is driven to report incoming event by interrupt function.
5. the disposal route of incoming event according to claim 1 and 2, is characterized in that, further comprising the steps of:
Described input equipment message file is read in circulation, upgrades the event sequence number corresponding with described default input equipment.
6. the disposal route of incoming event according to claim 1 and 2, is characterized in that, described default input equipment comprises touch-screen and/or the button of terminal.
7. a disposal system for incoming event, is characterized in that, comprising:
Sequence number acquisition module, for reading the input equipment message file driving layer, obtains the event sequence number corresponding with default input equipment;
Monitor module, for monitoring the incoming event driving layer to report;
Processing module, for processing incoming event according to the thread of the event sequence number and process incoming event of presetting input equipment.
8. the disposal system of incoming event according to claim 7, is characterized in that, described processing module comprises:
Initialization module, for carrying out initialization according to the event sequence number presetting input equipment;
Running module, for running the thread of process incoming event, and according to incoming event process function, incoming event being processed; The thread of described process incoming event comprises incoming event process function.
9. the disposal system of the incoming event according to claim 7 or 8, is characterized in that, also comprises Registering modules, for being registered each input equipment by registration interface at driving layer, generates input equipment message file.
10. the disposal system of the incoming event according to claim 7 or 8, is characterized in that, described input equipment message file is read in described sequence number acquisition module circulation, upgrades the event sequence number corresponding with described default input equipment.
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| CN108989554A (en) * | 2018-06-29 | 2018-12-11 | 维沃移动通信有限公司 | A kind of information processing method and terminal |
| CN114706602A (en) * | 2022-04-01 | 2022-07-05 | 珠海读书郎软件科技有限公司 | Android-based method for updating parameters of touch screen through app |
| CN115113775A (en) * | 2022-06-28 | 2022-09-27 | 展讯通信(天津)有限公司 | Input device selection method and device, storage medium and terminal device |
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| CN105117223B (en) | 2018-11-27 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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Granted publication date: 20181127 |