WO2014113923A1 - 基于触摸屏的物理按键模拟方法及装置 - Google Patents

基于触摸屏的物理按键模拟方法及装置 Download PDF

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Publication number
WO2014113923A1
WO2014113923A1 PCT/CN2013/070845 CN2013070845W WO2014113923A1 WO 2014113923 A1 WO2014113923 A1 WO 2014113923A1 CN 2013070845 W CN2013070845 W CN 2013070845W WO 2014113923 A1 WO2014113923 A1 WO 2014113923A1
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Prior art keywords
touch
area
event
action
physical
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PCT/CN2013/070845
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English (en)
French (fr)
Inventor
周晨光
谭冠中
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华为终端有限公司
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Priority to PCT/CN2013/070845 priority Critical patent/WO2014113923A1/zh
Priority to CN201380000292.2A priority patent/CN103620542B/zh
Publication of WO2014113923A1 publication Critical patent/WO2014113923A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures

Definitions

  • the present invention relates to the field of electronic technologies, and in particular, to a physical button simulation method and apparatus based on a touch screen.
  • the touch screen is on mobile phones, tablets, PDAs (Personal Digital Assistants, personal digital assistants, and other electronic products have been widely used.
  • PDAs Personal Digital Assistants
  • the popular ANDRIOD (Android) mobile phones in the market have physical buttons such as HOME, MENU, and RETURN. Compared with the iPhone, the design is not simple.
  • buttons are displayed on the display instead of physical buttons such as HOME, MENU, and RETURN.
  • physical button events corresponding to physical buttons such as HOME, MENU, and RETURN can be generated.
  • this method of occupying the area of the screen to implement the same function of the physical button occupies the display space of the screen, so that the user experience is degraded.
  • the embodiments of the present invention provide a physical button simulation method and device based on a touch screen, so as to realize physical key simulation through a touch area, effectively save a limited screen area, simplify physical space, and improve user experience.
  • a touch screen-based physical button simulation method includes: sensing a touch action on the touch screen to determine a touch type, and acquiring a touch area corresponding to the touch action; and combining the touch area with the touch type to determine a corresponding physical key event; triggering the physics Key event; responding to a physical key event to invoke a preset key processing logic to perform a key operation of a physical key event mapping.
  • a human-machine interaction interface before sensing a touch action on the touch screen to determine a touch type and acquiring a touch area corresponding to the touch action, providing a human-machine interaction interface to obtain an area threshold range set by the user .
  • the acquiring the touch area corresponding to the touch action further includes: determining whether the touch area is within an area threshold range, and if yes, touching The area is combined with the touch type to determine the corresponding physical button event, and if not, the corresponding touch event is determined according to the touch type.
  • the touch action on the touch screen is sensed to determine a touch type. And obtaining the touch area corresponding to the touch action includes: after sensing the touch action, delaying a predetermined time period to acquire the touch area corresponding to the touch action.
  • the touch area corresponding to the touch action includes: counting the number of touch points of the touch area touched by the touch action, and calculating the touch area according to the number of touch points and the area of each touch point.
  • the touch screen-based physical button emulation device includes: a touch action processing module, configured to sense a touch action on the touch screen to determine a touch type, and obtain a touch area corresponding to the touch action; and a physical button event confirmation module, configured to The touch area is combined with the touch type to determine a corresponding physical key event; the physical key event triggering module is configured to trigger a physical key event; the key operation module is configured to respond to the physical key event to invoke the preset key processing logic to perform physical key event mapping. operating.
  • the device further includes a human-computer interaction interface module, where the human-computer interaction interface module is configured to obtain an area threshold range set by the user.
  • the device further includes a determining module and a touch event determining module, where the determining module is configured to determine whether the touch area is within an area threshold range If yes, the physical button event confirmation module determines the corresponding physical button event by combining the touch area with the touch type. If not, the touch event confirmation module determines the corresponding touch event according to the touch type.
  • the touch action processing module is further configured to: After the touch action, the touch time corresponding to the touch action is acquired after a predetermined time period.
  • the touch action processing module is further configured to: count the number of touch points of the touch area touched by the touch action and the touch screen, and calculate the touch area according to the number of touch points and the area of each touch point.
  • the touch screen-based physical button emulation device includes a touch screen, a processor, and a bus.
  • the processor and the touch screen are respectively coupled to the bus and communicate with each other through a bus.
  • the touch screen is used to sense a touch action on the touch screen;
  • the processor is configured to: Determining a touch type according to the touch action, and acquiring a touch area corresponding to the touch action; combining the touch area with the touch type to determine a corresponding physical key event; triggering a physical key event; responding to the physical key event to invoke a preset key processing logic to perform a physical key Key operation for key-value mapping.
  • the device further includes a display screen coupled to the bus, the processor is further configured to: output a display interface to the display screen to display an area threshold range setting interface, and control the touch screen acquisition The area threshold range set by the user.
  • the processor is further configured to: determine whether the touch area is within an area threshold, and if so, combine the touch area with the touch type. Determine the corresponding physical button event, and if not, determine the corresponding touch event according to the touch type.
  • the processor is further configured to: After the touch action, the touch time corresponding to the touch action is acquired after a predetermined time period.
  • the processor is further configured to: count the number of touch points of the touch area touched by the touch action and the touch screen, and calculate the touch area according to the number of touch points and the area of each touch point.
  • the embodiment of the present invention implements triggering of a physical button event corresponding to a physical button or a virtual button by using a touch type in combination with a touch area, and responding to the physical button event to call a preset button processing logic to perform physical button event mapping.
  • the operation realizes the simulation of the physical button, and effectively solves the technical problem that the physical button or the virtual button is used to make the user experience low and waste the display area.
  • FIG. 1 is a flow chart of a touch screen based input method according to a first embodiment of the present invention
  • FIG. 2 is a schematic diagram of a touch type being a single light point
  • FIG. 3 is a schematic diagram of a touch type of double light points
  • FIG. 4 is a schematic diagram of a touch type being a light click slide
  • FIG. 5 is a schematic diagram of a touch type being pressed
  • FIG. 6 is a schematic diagram of a touch type being flashing
  • Figure 7 is a schematic view showing the touch type being close to two points
  • Figure 8 is a schematic view of two-point rotation
  • FIG. 9 is a schematic diagram of a process of acquiring a touch area in the first embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a touch screen based input device according to a first embodiment of the present invention.
  • FIG. 11 is a flow chart of a touch screen based input method according to a second embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of a touch screen based input device according to a second embodiment of the present invention.
  • FIG. 13 is a hardware configuration diagram of a touch screen based input device according to a third embodiment of the present invention.
  • FIG. 14 is a schematic diagram of a software interface connection applied to an ANDRIOD operating system according to the present invention.
  • FIG. 1 is a flowchart of a touch screen based input method according to a first embodiment of the present invention. As shown in FIG. 1, the touch screen based input method of the present invention includes the following steps:
  • Step 101 Sensing a touch action on the touch screen to determine a touch type, and acquiring a touch area corresponding to the touch action.
  • Step 102 Combine the touch area with the touch type to determine a corresponding physical key event.
  • Step 103 Trigger a physical button event.
  • Step 104 Respond to the physical button event to invoke the preset button processing logic to perform a button operation of the physical button event mapping.
  • a single light point is specifically defined as a finger quickly touching the touch screen to launch an application or activate an image.
  • the touch type is a single light point
  • the contact area between the finger and the touch screen within a certain preset time when the finger quickly touches the touch screen is acquired as the touch area.
  • the preset duration may be set according to actual needs, and may be set to a time period in which the contact area between the finger and the touch screen is the largest.
  • FIG. 3 is a schematic diagram of a touch type of double taps.
  • a double tap is specifically defined as a finger continuously and quickly tapping the touch screen twice to open or close an application or a document.
  • the touch type is a double tap point
  • the contact area between the finger and the touch screen within a certain preset time period when the finger quickly taps the touch screen is acquired as the touch area.
  • the preset duration may be set according to actual needs, and may be set to a time period in which the contact area between the finger and the touch screen is the largest. It is worth noting that in the touch type of the double tap, two touch areas can be acquired, and therefore, in a preferred embodiment, the average of the two touch areas can be obtained as the final touch area.
  • FIG. 4 is a schematic diagram of the touch type being a light click slide, and the light click slide is specifically defined as placing a finger on the touch screen and sliding to move an item on the display screen or zoom in and out, a map, and a picture.
  • the touch type is a tap
  • the contact area between the finger and the touch screen is taken as the touch area for a predetermined period of time when the finger is placed on the touch screen.
  • the preset duration may be specifically set to a shorter period of time, which is much shorter than the sliding time of the finger to avoid obtaining the sliding area of the finger.
  • FIG. 5 is a schematic diagram of a touch type being pressed, and the pressing is specifically defined as placing a finger on the touch screen for a period of time to open the document, launching an application or other functions.
  • the touch type is pressing, the contact area between the finger and the touch screen within a certain preset time when the finger touches the touch screen is acquired as the touch area.
  • the preset duration may be set according to actual needs, and may be set to a time period in which the contact area between the finger and the touch screen is the largest.
  • FIG. 6 is a schematic diagram of the touch type being flashing, and the flashing is specifically defined as quickly moving the finger in the up, down, left, and right directions on the touch screen to scroll or slide a series of items or pages.
  • the contact area between the finger and the touch screen is taken as the touch area for a predetermined period of time when the finger is placed on the touch screen to move the finger in the up, down, left, and right directions.
  • the preset duration may be specifically set to a shorter period of time, which is much shorter than the sliding time of the finger to avoid obtaining the sliding area of the finger.
  • FIG. 7 is a schematic diagram of the touch type being close to two points, and the two points are specifically defined as placing two fingers on the touch screen and bringing them closer or apart to enlarge or reduce the display items.
  • the contact area between the finger and the touch screen is taken as the touch area within a preset period of time when the finger is placed on the touch screen to move the finger.
  • the preset duration may be specifically set to a shorter period of time, which is much shorter than the sliding time of the finger to avoid obtaining the sliding area of the finger.
  • FIG. 8 is a schematic diagram of two-point rotation, which is specifically defined as placing two fingers on the touch screen to rotate in a clockwise or counterclockwise direction to rotate an object on the display screen.
  • the touch area between the finger and the touch screen within a certain preset time period when the finger is placed on the touch screen is taken as the touch area.
  • the preset duration may be specifically set to a shorter period of time, which is much shorter than the rotation time of the finger to avoid obtaining the sliding area of the finger.
  • the touch type is determined by sensing a touch action on the touch screen, wherein the touch type includes a single tap, a double tap, a tap, a press, a flash, two points approaching or moving away, and two points of rotation.
  • the touch type corresponding to the touch action in FIG. 9 is a single tap.
  • step 401 the touch position of the touch action is recorded, and in step 402, the original data of the touch position is obtained, in step 403. De-interference processing is performed.
  • step 404 the pressure point is measured.
  • step 405 the touch area 901 is established.
  • step 406 the average value 902 of all coordinates of the touch area 901 (ie, (x, y)) is calculated. The number of touch points is counted, and the touch area is calculated according to the number of touch points and the area of each touch point.
  • the physical button events include a HOME button event, a RETURN button event, and a MENU button event, wherein the physical button event, the touch area, and the touch type may be associated according to actual needs.
  • the HOME button event can be sent when the touch type is defined as a single tap and the touch area is between 4 x 4 square millimeters and 15 x 15 square millimeters.
  • the touch type is defined as pressing and the touch area is between 4 ⁇ 4 mm 2 and 15 ⁇ 15 mm 2
  • the MENU button event is transmitted.
  • the correspondence between the touch type, the touch area, and the physical key event may be set according to Table 1, Table 2, or Table 3 below.
  • Table 1 Touch type Touch area (indicated by S) Physical button event Single tap 15 ⁇ 15mm 2 ⁇ S ⁇ 30 ⁇ 30mm 2 HOME button event Swipe 15 ⁇ 15mm 2 ⁇ S ⁇ 30 ⁇ 30mm 2 RETURN button event Press 15 ⁇ 15mm 2 ⁇ S ⁇ 30 ⁇ 30mm 2 MENU button event Double tap 15 ⁇ 15mm 2 ⁇ S ⁇ 30 ⁇ 30mm 2 HOME button event Flashing 15 ⁇ 15mm 2 ⁇ S ⁇ 30 ⁇ 30mm 2 RETURN button event Two points close or far away 15 ⁇ 15mm 2 ⁇ S ⁇ 30 ⁇ 30mm 2 MENU button event Two-point rotation 15 ⁇ 15mm 2 ⁇ S ⁇ 30 ⁇ 30mm 2 HOME button event
  • Table 2 Touch type Touch area Physical button event Single tap 30 ⁇ 30mm 2 ⁇ S ⁇ 60 ⁇ 60mm 2 HOME button event Swipe 30 ⁇ 30mm 2 ⁇ S ⁇ 60 ⁇ 60mm 2 RETURN button event Press 30 ⁇ 30mm 2 ⁇ S ⁇ 60 ⁇ 60mm 2 MENU button event Double tap 30 ⁇ 30mm 2 ⁇ S ⁇ 60 ⁇ 60mm 2 HOME button event Flashing 30 ⁇ 30mm 2 ⁇ S ⁇ 60 ⁇ 60mm 2 RETURN button event Two points close or far away 30 ⁇ 30mm 2 ⁇ S ⁇ 60 ⁇ 60mm 2 MENU button event Two-point rotation 30 ⁇ 30mm 2 ⁇ S ⁇ 60 ⁇ 60mm 2 HOME button event
  • the touch time corresponding to the touch action may be acquired by delaying a predetermined time period (for example, 5 ms or other values as needed), and the reason for making the setting is to be within a specific time period.
  • the touch action is sampled to avoid measuring the sliding area when the touch action is sliding to avoid collecting multiple touch points in a long period of time.
  • step 104 specifically, the upper application does not need to make a change, and after receiving the physical key event, responding to the physical key event to invoke the preset key processing logic to perform a physical key event mapping key operation. Thereby realizing the simulation of physical buttons
  • FIG. 10 is a schematic structural diagram of a touch screen-based input device according to a first embodiment of the present invention.
  • the touch screen-based physical button emulation device of the present invention includes: a touch action processing module 201 for sensing a touch action on the touch screen to determine a touch type, and acquiring a touch area corresponding to the touch action; a physical button event
  • the confirmation module 202 is configured to determine the corresponding physical button event by combining the touch area with the touch type;
  • the physical button event triggering module 203 is configured to trigger the physical button event;
  • the button operation module 204 is configured to respond to the physical button event to invoke the preset button Processing logic performs keystrokes for physical button event mapping. .
  • the present invention determines a corresponding physical key event by a touch type input by the user in combination with the touch area, and implements a physical key event through the touch screen. Since there is no need to occupy display space to set physical buttons or virtual buttons, the limited screen area is saved, and the physical space is simplified, thereby improving the user experience.
  • FIG. 11 is a flowchart of a touch screen based input method according to a second embodiment of the present invention. As shown in FIG. 11, the touch screen based input method of the present invention includes the following steps:
  • Step 301 Provide a human-computer interaction interface to obtain an area threshold range set by the user.
  • Step 302 Sensing a touch action on the touch screen to determine a touch type, and acquiring a touch area corresponding to the touch action.
  • Step 303 Determine whether the touch area is within the area threshold range. If yes, go to step 304. If no, go to step 307.
  • Step 304 Combine the touch area with the touch type to determine a corresponding physical key event.
  • Step 305 Trigger a physical button event.
  • Step 306 Respond to the physical button event to invoke the preset button processing logic to perform a button operation of the physical button event mapping.
  • Step 307 Determine a corresponding touch event according to the touch type.
  • a human-computer interaction interface is set in step 301, wherein the human-computer interaction interface includes a display screen and a touch screen, and a prompt interface is displayed on the display screen, and the prompt interface lists options for the user to set an area threshold range, and the user sets the area. After the threshold range, the area threshold range is acquired through the touch screen.
  • the above-mentioned area threshold range may be specifically set to: a fingertip operation, a finger belly operation, and a palm operation, which correspond to three cases in which a user makes a touch action with a fingertip, a finger pad, or a palm.
  • the area threshold range may be set between 4 ⁇ 4 mm 2 and 15 ⁇ 15 mm 2 , that is, 4 ⁇ 4 mm 2 ⁇ S ⁇ 15 ⁇ 15 mm 2 (corresponding to Table 3 ).
  • the area threshold range may be set between 15 x 15 square millimeters and 30 x 30 square millimeters, that is, 15 x 15 mm 2 ⁇ S ⁇ 30 x 30 mm 2 (corresponding to Table 1). If the user chooses to set the palm operation, the area threshold range can be set between 30 x 30 square millimeters and 60 x 60 square millimeters, i.e., 30 x 30 mm 2 ⁇ S ⁇ 60 x 60 mm 2 (corresponding to Table 2).
  • the touch type and the touch area are determined in step 302.
  • the touch type includes a single tap, a double tap, a tap, a press, a flash, two points approaching or moving away, and two points of rotation.
  • the method of obtaining the touch area is also consistent with that described in the first embodiment, and details are not described herein.
  • step 303 it is determined whether the touch area is within the area threshold range. If the touch area is within the area threshold range, it is determined that the physical button event needs to be confirmed at this time. Therefore, step 304 is performed to combine the touch area with the touch type. A corresponding physical button event is determined, and the physical button event is triggered in step 305. In step 306, the physical button event is invoked to invoke the preset button processing logic to perform a physical button event mapping key operation. Thereby the physical button is simulated by a touch action.
  • step 307 is performed to confirm the corresponding touch event according to the touch type.
  • the corresponding touch events include starting or closing an application event, turning on or off an application or document event, zooming in on a picture event, zooming out a picture event, scrolling or sliding a picture event, and rotating a picture event.
  • the physical button event or the normal operation event is sent by providing the human-computer interaction interface to obtain the area threshold range selected by the user, and determining whether the touch area corresponding to the touch action is in the area threshold range, thereby enabling the user to
  • different touch action input modes including touch action using the fingertip, the finger belly and the palm
  • physical button events can be confirmed by touch actions, and physical button simulations can be implemented by triggering and corresponding physical button events to invoke key button processing logic to perform physical button event mapping key operations.
  • the invention greatly expands the type of the touch type by combining the touch type with the touch area setting corresponding to the corresponding physical key event. Specifically, by adding the touch area, the single light point, the double light point, and the light point sliding can be made more.
  • the event that can be corresponding to the type of touch such as pressing, flashing, two points approaching or moving away, two-point rotation, doubles.
  • FIG. 12 is a schematic structural diagram of a touch screen-based input device according to a second embodiment of the present invention.
  • the touch screen-based physical button simulation device of the present invention includes a touch action processing module 401, a human-machine interaction interface module 405, a determination module 406, a physical button event trigger module 403, a button operation module 404, and a physical button event confirmation.
  • the touch action processing module 401 is configured to sense a touch action on the touch screen to determine a touch type, and acquire a touch area corresponding to the touch action;
  • the human-computer interaction interface module 405 is configured to obtain an area threshold range set by the user
  • the determining module 406 is configured to determine whether the touch area is within an area threshold range. If yes, the physical button event confirmation module 402 combines the touch area with the touch type to determine a corresponding physical button event. If not, the touch event confirmation module 407 according to the touch Type to determine the corresponding touch event;
  • the physical button event triggering module 403 is configured to trigger a physical button event
  • the button operation module 404 is configured to respond to the physical button event to invoke the preset button processing logic to perform a button operation of the physical button event mapping.
  • the touch action processing module 401 is further configured to: after the touch action is sensed, delay a predetermined time period to acquire the touch area corresponding to the touch action.
  • the touch action processing module 401 is further configured to: count the number of touch points of the touch area touched by the touch action and the touch screen, and calculate the touch area according to the number of touch points and the area of each touch point.
  • FIG. 13 is a hardware structural diagram of a touch screen based input device according to a third embodiment of the present invention.
  • the touch screen-based physical button emulation device of the present invention includes a touch screen 801, a processor 802, and a bus 804.
  • the processor 802 and the touch screen 805 are respectively coupled to the bus 804, and are interactively communicated through the bus 804.
  • the processor 801 is used to sense a touch action on the touch screen 801; the processor 802 is configured to: determine a touch type according to the touch action, and acquire a touch area corresponding to the touch action; and determine the corresponding physical key event by combining the touch area with the touch type; triggering the physics Key event; responding to a physical key event to invoke a preset button processing logic to perform a key operation for mapping a physical key value.
  • the touch screen-based physical button emulation device of the present invention may further include a display screen 805 coupled to the bus 804.
  • the processor 802 is further configured to: output a display interface to the display screen 805 to display an area threshold range setting interface.
  • the touch screen 801 is controlled to obtain an area threshold range set by the user.
  • the processor 802 can be further configured to: determine whether the touch area is within an area threshold range, and if yes, combine the touch area with the touch type to determine a corresponding physical key event, and if not, determine the corresponding touch according to the touch type. event.
  • the processor 802 can be further configured to: after the touch screen senses the touch action, delay the touch area corresponding to the touch action by a predetermined time period.
  • the program may further include: counting the number of touch points of the touch area in which the touch action is in contact with the touch screen, and calculating the touch area according to the number of touch points and the area of each touch point.
  • FIG. 14 is a schematic diagram of a software interface connection applied to the ANDRIOD operating system according to the present invention.
  • the present invention is specifically described by using an ANDRIOD mobile phone as an example.
  • the external interface of the ANDRIOD operating system can report the average value of the touch area coordinates and touch.
  • the number of handles (represented by (x, y, num)) to the kernel.
  • x is the average of the abscissa of the coordinates of the touch area
  • y is the average of the ordinate of the coordinates of the touch area
  • num is the number of touch points.
  • the driver of the screen can be modified by modifying the Kernel layer/Native in the ANDRIOD operating system from the bottom up.
  • EventHub(x,y) in the Framework modify them to EventHub(x,y,num), and pass (x,y,num) information to Java Framework, this information contains the touch area.
  • MotionEvent (x, y) and KeyEvent (x, y) Interface where the touch type is determined by the MotionEvent (x, y) interface and the KeyEvent (x, y) interface, MotionEvent (x, y) The interface represents the movement of the touch action, KeyEvent(x, y) The interface represents the type of touch action, but a new message NumEvent(x, y, num) (coordinate with touch points) is passed to the operating system.
  • the operating system responds to the NumEvent (x, y, num) message, calculates the touch area, and completes the corresponding application processing according to the area.
  • the threshold can also be set by the number of touch points or the touch area.
  • the range of the threshold can be set according to the normal touch, the finger touch, and the palm touch.
  • Each threshold size provides a default value that the user can adjust based on his or her finger size.
  • the operating system After the operating system receives the NumEvent (x, y, num) message, according to the touch area and MotionEvent (x, y) and KeyEvent (x, y) determine the type of touch, when the touch type meets certain conditions, simulate a physical keyboard event to send.
  • the finger belly operation as a physical key operation, for example:
  • the MENU button event is sent.
  • the operating system receives the leftward sliding event, and the operating system determines that the touch area corresponding to Num in NumEvent(x, y, num) exceeds the threshold, and sends a RETURN button event.
  • the operating system receives a sliding event to the right, and the operating system determines that the touch area corresponding to Num in the NumEvent exceeds the threshold, and sends a HOME button event.
  • Other combinations can be used to implement the physical button functions described above.
  • the relationship between the touch area, the touch type, and the physical button event can be set by referring to Table 1, Table 2 or Table 3 above.
  • the technical solution disclosed by the present invention provides an easy-to-use means to replace the original function without providing physical buttons, and the solution does not occupy the display space of the touch screen, leaving the display space to the user. Show more content.
  • the touch screen-based physical button simulation method and device combines the touch area to realize the trigger of the physical button event corresponding to the physical button or the virtual button, and responds to the physical button event to invoke the preset.
  • the key processing logic performs the key operation of the physical key event mapping, thereby realizing the simulation of the physical key, effectively solving the technical problem of using the physical key or the virtual key to make the user experience low and waste the display area.
  • the disclosed apparatus and method may be implemented in other manners.
  • the foregoing embodiment of the device embodiment is merely illustrative.
  • the division of the module or unit is only a logical function division, and the actual implementation may have another division manner, such as multiple units or Components can be combined or integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present embodiment.
  • each functional unit in the embodiments of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform all or part of the steps of the methods described in the various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read only memory (ROM, Read-Only) Memory, random access memory (RAM), disk or optical disk, and other media that can store program code.

Abstract

本发明公开了一种基于触摸屏的物理按键模拟方法及装置，该方法包括：感应触摸屏上的触摸动作以确定触摸类型，并获取触摸动作所对应的触摸面积；将触摸面积结合触摸类型来确定相应的物理按键事件；触发物理按键事件；响应物理按键事件以调用预设按键处理逻辑进行物理按键事件映射的按键操作。通过以上公开内容，本发明可实现对物理按键的模拟，且节约有限的屏幕面积，简化了物理空间，从而提高了用户体验。

Description

基于触摸屏的物理按键模拟方法及装置
【技术领域】
本发明涉及电子技术领域，特别是涉及一种基于触摸屏的物理按键模拟方法及装置。
【背景技术】
现阶段，触摸屏在手机、平板电脑、PDA（Personal Digital Assistant，个人数字助理）等电子产品中已经得到广泛的应用，现有市面流行的ANDRIOD（安卓）手机有HOME、MENU、RETURN等物理按键，相对iPhone，设计不简洁。
从2012年起，很多厂家为追求简洁设计，去掉了物理按键，并在屏幕中设置虚拟按键，具体而言，在显示屏上显示虚拟按键来代替HOME、MENU、RETURN等物理按键，在用户通过触摸屏按压该虚拟按键时可产生HOME、MENU、RETURN等物理按键对应的物理按键事件。但，这种占用屏幕内面积的办法来实现物理按键同样功能的办法占用了屏幕的显示空间，使得用户体验下降。
【发明内容】
有鉴于此，本发明实施例提供了一种基于触摸屏的物理按键模拟方法及装置，以通过触摸面积实现物理按键的模拟，有效节约有限的屏幕面积，简化了物理空间，提高了用户体验。
第一方面，基于触摸屏的物理按键模拟方法包括：感应触摸屏上的触摸动作以确定触摸类型，并获取触摸动作所对应的触摸面积；将触摸面积结合触摸类型来确定相应的物理按键事件；触发物理按键事件；响应物理按键事件以调用预设按键处理逻辑进行物理按键事件映射的按键操作。
在第一方面的第一种可能的实现方式中，在感应触摸屏上的触摸动作以确定触摸类型，并获取触摸动作所对应的触摸面积之前，提供人机交互接口以获取用户设置的面积阈值范围。
结合第一方面的第一种可能的实现方式，在第二种可能的实现方式中，获取触摸动作所对应的触摸面积进一步包括：判断触摸面积是否位于面积阈值范围之内，若是，则将触摸面积结合触摸类型来确定相应的物理按键事件，若否，则根据触摸类型来确定相应的触控事件。
结合第一方面、第一方面的第一种可能的实现方式或第一方面的第二种可能的实现方式，在第三种可能的实现方式中，感应触摸屏上的触摸动作以确定触摸类型，并获取触摸动作所对应的触摸面积包括：在感应到所述触摸动作之后，延时一预定时长再获取触摸动作所对应的触摸面积。
结合第一方面、第一方面的第一种可能的实现方式、第一方面的第二种可能的实现方式或第一方面的第三种可能的实现方式，在第一方面的第四种可能的实现方式中，获取触摸动作所对应的触摸面积包括：统计触摸动作与触摸屏接触的触摸区域的触控点数，并根据触控点数以及每一触控点的面积计算触摸面积。
第二方面，基于触摸屏的物理按键模拟装置包括：触摸动作处理模块，用于感应触摸屏上的触摸动作以确定触摸类型，并获取触摸动作所对应的触摸面积；物理按键事件确认模块，用于将触摸面积结合触摸类型来确定相应的物理按键事件；物理按键事件触发模块，用于触发物理按键事件；按键操作模块，用于响应物理按键事件以调用预设按键处理逻辑进行物理按键事件映射的按键操作。
在第二方面的第一种可能的实现方式中，该装置进一步包括人机交互接口模块，人机交互接口模块用于获取用户设置的面积阈值范围。
结合第二方面的第一种可能的实现方式，在第二种可能的实现方式中，该装置进一步包括判断模块以及触控事件确定模块，判断模块用于判断触摸面积是否位于面积阈值范围之内，若是，物理按键事件确认模块将触摸面积结合触摸类型来确定相应的物理按键事件，若否，触控事件确认模块根据触摸类型来确定相应的触控事件。
结合第二方面、第二方面的第一种可能的实现方式或第二方面的第二种可能的实现方式，在第三种可能的实现方式中，触摸动作处理模块进一步用于：在感应到触摸动作之后，延时一预定时长再获取触摸动作所对应的触摸面积。
结合第二方面、第二方面的第一种可能的实现方式、第二方面的第二种可能的实现方式或第二方面的第三种可能的实现方式，在第四种可能的实现方式中，触摸动作处理模块进一步用于：统计触摸动作与触摸屏接触的触摸区域的触控点数，并根据触控点数以及每一触控点的面积计算触摸面积。
第三方面，基于触摸屏的物理按键模拟装置包括触摸屏、处理器以及总线，处理器以及触摸屏分别与总线耦合连接，并通过总线进行交互通信，触摸屏用于感应触摸屏上的触摸动作；处理器用于：根据触摸动作确定触摸类型，并获取触摸动作所对应的触摸面积；将触摸面积结合触摸类型来确定相应的物理按键事件；触发物理按键事件；响应物理按键事件以调用预设按键处理逻辑进行物理按键键值映射的按键操作。
在第三方面的第一种可能的实现方式中，该装置进一步包括与总线耦合连接的显示屏，该处理器进一步用于：向显示屏输出显示界面以显示面积阈值范围设置界面，控制触摸屏获取用户设置的面积阈值范围。
结合第三方面的第一种可能的实现方式，在第二种可能的实现方式中，该处理器进一步用于：判断触摸面积是否位于面积阈值范围之内，若是，将触摸面积结合触摸类型来确定相应的物理按键事件，若否，根据触摸类型来确定相应的触控事件。
结合第三方面、第三方面的第一种可能的实现方式或第三方面的第二种可能的实现方式，在第三种可能的实现方式中，该处理器进一步用于：在触摸屏感应到触摸动作之后，延时一预定时长再获取触摸动作所对应的触摸面积。
结合第三方面、第三方面的第一种可能的实现方式、第三方面的第二种可能的实现方式或第三方面的第三种可能的实现方式，在第四种可能的实现方式中，该处理器进一步用于：统计触摸动作与触摸屏接触的触摸区域的触控点数，并根据触控点数以及每一触控点的面积计算触摸面积。
通过上述技术方案，本发明实施例通过触摸类型结合触摸面积来实现物理按键或虚拟按键所对应的物理按键事件的触发，响应该物理按键事件以调用预设按键处理逻辑进行物理按键事件映射的按键操作，从而实现了对物理按键的模拟，有效解决了利用物理按键或虚拟按键使得用户体验不高并且浪费显示屏面积的技术问题。
【附图说明】
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1是根据本发明第一实施例的基于触摸屏的输入方法的流程图；
图2是触摸类型为单轻点的示意图；
图3是触摸类型为双轻点的示意图；
图4为触摸类型为轻点滑动的示意图；
图5为触摸类型为按压的示意图；
图6为触摸类型为闪动的示意图；
图7为触摸类型为两点靠近的示意图；
图8为两点转动的示意图；
图9是本发明第一实施例中获取触摸面积的过程示意图；
图10是本发明第一实施例的基于触摸屏的输入装置的结构示意图；
图11是本发明第二实施例的基于触摸屏的输入方法的流程图；
图12是本发明第二实施例的基于触摸屏的输入装置的结构示意图；
图13是本发明第三实施例的基于触摸屏的输入装置的硬件结构图；
图14为本发明应用于ANDRIOD操作系统的软件接口连接示意图。
【具体实施方式】
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
首先请参见图1，图1是根据本发明第一实施例的基于触摸屏的输入方法的流程图。如图1所示，本发明的基于触摸屏的输入方法包括以下步骤：
步骤101：感应触摸屏上的触摸动作以确定触摸类型，并获取触摸动作所对应的触摸面积。
步骤102：将触摸面积结合触摸类型来确定相应的物理按键事件。
步骤103：触发物理按键事件。
步骤104：响应物理按键事件以调用预设按键处理逻辑进行物理按键事件映射的按键操作。
并请参见图2至图8，以对上述的步骤101作出具体介绍，其中：
图2是触摸类型为单轻点的示意图，如图2所示，单轻点具体定义为手指快速碰触触摸屏来启动应用程序或激活一个图像。在步骤101中，若确定触摸类型为单轻点，则获取手指快速碰触触摸屏时在某一预设时长内手指与触摸屏之间的接触面积以作为触摸面积。其中，该预设时长可根据实际需要设定，具体可设定为手指与触摸屏之间的接触面积最大的时间段内。
图3是触摸类型为双轻点的示意图，如图3所示，双轻点具体定义为手指连续快速轻点触摸屏两次以开启或关闭应用程序或文档。在步骤101中，若确定触摸类型为双轻点，则获取手指快速轻点触摸屏时在某一预设时长内手指与触摸屏之间的接触面积以作为触摸面积。其中，该预设时长可根据实际需要设定，具体可设定为手指与触摸屏之间的接触面积最大的时间段内。值得注意的时，在双轻点的触摸类型中，可获取到两个触摸面积，因此，在优选实施例中，可获取该两个触摸面积的平均值作为最终的触摸面积。
图4为触摸类型为轻点滑动的示意图，轻点滑动具体定义为将手指放在触摸屏上并滑动以移动显示屏上的项目或放大缩小页面、地图和图片。在步骤101中，若确定触摸类型为轻点滑动，则获取手指放在触摸屏上滑动时在某一预设时长内手指与触摸屏之间的接触面积以作为触摸面积。其中，该预设时长具体可设定为一较短的时间段内，该时间段比手指的滑动时间要短很多，以避免获取到手指的滑动面积。
图5为触摸类型为按压的示意图，按压具体定义为将手指放置在触摸屏上维持一段时间来开启文档，启动应用程序或其他功能。在步骤101中，若确定触摸类型为按压，则获取手指碰触触摸屏时在某一预设时长内手指与触摸屏之间的接触面积以作为触摸面积。其中，该预设时长可根据实际需要设定，具体可设定为手指与触摸屏之间的接触面积最大的时间段内。
图6为触摸类型为闪动的示意图，闪动具体定义为快速在触摸屏上于上下左右方向移动手指以便卷动或滑动一系列项目或页面。在步骤101中，若确定触摸类型为闪动，则获取手指放在触摸屏上于上下左右方向移动手指时在某一预设时长内手指与触摸屏之间的接触面积以作为触摸面积。其中，该预设时长具体可设定为一较短的时间段内，该时间段比手指的滑动时间要短很多，以避免获取到手指的滑动面积。
图7为触摸类型为两点靠近的示意图，两点靠近具体定义为将两个手指放置在触摸屏上并让它们靠近或分开以放大或缩小显示项目。在步骤101中，若确定触摸类型为两点靠近，则获取手指放在触摸屏上移动手指时在某一预设时长内手指与触摸屏之间的接触面积以作为触摸面积。其中，该预设时长具体可设定为一较短的时间段内，该时间段比手指的滑动时间要短很多，以避免获取到手指的滑动面积。
图8为两点转动的示意图，两点转动具体定义为将两个手指放置在触摸屏上以顺时钟或逆时钟方向旋动来转动显示屏上的物体。在步骤101中，若确定触摸类型为两点转动，则获取手指放在触摸屏上移动手指时在某一预设时长内手指与触摸屏之间的接触面积以作为触摸面积。其中，该预设时长具体可设定为一较短的时间段内，该时间段比手指的转动时间要短很多，以避免获取到手指的滑动面积。
在步骤101中，通过感应触摸屏上的触摸动作以确定触摸类型，其中触摸类型包括单轻点、双轻点、轻点滑动、按压、闪动、两点靠近或远离、两点转动。
以下将参见图9对如何获取到触摸面积进行具体说明，其中，为了便于说明，图9中的触摸动作对应的触摸类型是单轻点。
图9是本发明第一实施例中获取触摸面积的过程示意图，如图9所示，在步骤401中，记录触摸动作的触摸位置，在步骤402中，获得触摸位置的原始数据，在步骤403中，进行去干扰处理，在步骤404中，测算压力点，在步骤405中，建立触摸区域901，在步骤406中，计算触摸区域901所有坐标的平均值902（即（x，y）），并统计触控点数，并根据触控点数以及每一触控点的面积计算触摸面积。
在步骤102中，物理按键事件包括HOME按键事件、RETURN按键事件以及MENU按键事件，其中，上述的物理按键事件、触摸面积与触摸类型可根据实际需要建立关联。
举例而言，可定义触摸类型为单轻点、触摸面积在4×4平方毫米至15×15平方毫米之间时，发送HOME按键事件。同样地，也可以定义触摸类型为轻点滑动、触摸面积在4×4平方毫米至15×15平方毫米之间时，发送RETURN按键事件。或，定义触摸类型为按压、触摸面积在4×4平方毫米至15×15平方毫米之间时，发送MENU按键事件。
另外，在本发明的另一实施例中，上述的触摸类型、触摸面积与物理按键事件的对应关系也可根据如以下表1、表2或表3而进行设置。
表1：
触摸类型 触摸面积 ( 以 S 表示 ) 物理按键事件
单轻点 15 × 15mm2 ≤S≤ 30 × 30mm2 HOME 按键事件
轻点滑动 15 × 15mm2 ≤S≤ 30 × 30mm2 RETURN 按键事件
按压 15 × 15mm2 ≤S≤ 30 × 30mm2 MENU 按键事件
双轻点 15 × 15mm2 ≤S≤ 30 × 30mm2 HOME 按键事件
闪动 15 × 15mm2 ≤S≤ 30 × 30mm2 RETURN 按键事件
两点靠近或远离 15 × 15mm2 ≤S≤ 30 × 30mm2 MENU 按键事件
两点转动 15 × 15mm2 ≤S≤ 30 × 30mm2 HOME 按键事件
表2：
触摸类型 触摸面积 物理按键事件
单轻点 30 × 30mm2 ＜S≤ 60 × 60mm2 HOME 按键事件
轻点滑动 30 × 30mm2 ＜S≤ 60 × 60mm2 RETURN 按键事件
按压 30 × 30mm2 ＜S≤ 60 × 60mm2 MENU 按键事件
双轻点 30 × 30mm2 ＜S≤ 60 × 60mm2 HOME 按键事件
闪动 30 × 30mm2 ＜S≤ 60 × 60mm2 RETURN 按键事件
两点靠近或远离 30 × 30mm2 ＜S≤ 60 × 60mm2 MENU 按键事件
两点转动 30 × 30mm2 ＜S≤ 60 × 60mm2 HOME 按键事件
表3：
触摸类型 触摸面积 物理按键事件
单轻点 4 × 4mm2 ≤S＜ 15 × 15mm2 HOME 按键事件
轻点滑动 4 × 4mm2 ≤S＜ 15 × 15mm2 RETURN 按键事件
按压 4 × 4mm2 ≤S＜ 15 × 15mm2 MENU 按键事件
双轻点 4 × 4mm2 ≤S＜ 15 × 15mm2 HOME 按键事件
闪动 4 × 4mm2 ≤S＜ 15 × 15mm2 RETURN 按键事件
两点靠近或远离 4 × 4mm2 ≤S＜ 15 × 15mm2 MENU 按键事件
两点转动 4 × 4mm2 ≤S＜ 15 × 15mm2 HOME 按键事件
值得注意的是，以上表1、表2以及表2所限定的触摸类型、触摸面积与物理按键事件的对应关系只是本发明的实施例，用户可以自行设置，本发明对于具体的对应关系并不作出具体限定。
并且，在感应到触摸动作之后，具体可以延时一预定时长（如5ms或根据需要设定为其他数值）再获取触摸动作所对应的触摸面积，作出该设置的原因是为了在特定时长内对触摸动作进行采样，从而避免在触摸动作为滑动时，对滑动面积进行测算，以避免在一个较长的时间段内采集到多个触摸点。
在步骤104中，具体而言，上层应用程序无需作出改动，接收到物理按键事件后，响应该物理按键事件以调用预设按键处理逻辑进行物理按键事件映射的按键操作。从而实现了对物理按键的模拟
以下请参见图10，图10是本发明第一实施例的基于触摸屏的输入装置的结构示意图。如图10所示，本发明的基于触摸屏的物理按键模拟装置包括：触摸动作处理模块201，用于感应触摸屏上的触摸动作以确定触摸类型，并获取触摸动作所对应的触摸面积；物理按键事件确认模块202，用于将触摸面积结合触摸类型来确定相应的物理按键事件；物理按键事件触发模块203，用于触发物理按键事件；按键操作模块204，用于响应物理按键事件以调用预设按键处理逻辑进行物理按键事件映射的按键操作。。
因此，本发明通过用户输入的触摸类型结合触摸面积来确定相应的物理按键事件，通过触摸屏实现了物理按键事件。由于无需占用显示空间来设置物理按键或虚拟按键，因此节约有限的屏幕面积，简化了物理空间，从而提高了用户体验。
以下请参见图11，图11是本发明第二实施例的基于触摸屏的输入方法的流程图。如图11所示，本发明的基于触摸屏的输入方法包括以下步骤：
步骤301：提供人机交互接口以获取用户设置的面积阈值范围。
步骤302：感应触摸屏上的触摸动作以确定触摸类型，并获取触摸动作所对应的触摸面积。
步骤303：判断触摸面积是否位于面积阈值范围之内，若是，执行步骤304，若否，执行步骤307。
步骤304：将触摸面积结合触摸类型来确定相应的物理按键事件。
步骤305：触发物理按键事件。
步骤306：响应物理按键事件以调用预设按键处理逻辑进行物理按键事件映射的按键操作。
步骤307：根据触摸类型来确定相应的触控事件。
在本实施例中，在步骤301中设置人机交互接口，其中人机交互接口包括显示屏以及触摸屏，显示屏上显示提示界面，提示界面列出选项供用户设置面积阈值范围，在用户设置面积阈值范围之后，通过触摸屏获取面积阈值范围。
具体而言，上述的面积阈值范围具体可设置为：指尖操作、手指肚操作以及手掌操作，其对应于用户用指尖、手指肚或手掌作出触摸动作的三种情况。具体而言，若用户选择设置指尖操作，则面积阈值范围可设置在4×4平方毫米至15×15平方毫米之间，即4×4mm 2 ≤S＜15×15mm 2 （对应于表3）。若用户选择设置手指肚操作，则面积阈值范围可设置在15×15平方毫米至30×30平方毫米之间，即15×15mm 2 ≤S≤30×30mm 2 （对应于表1）。若用户选择设置手掌操作，则面积阈值范围可设置在30×30平方毫米至60×60平方毫米之间，即30×30mm 2 ＜S≤60×60mm 2 （对应于表2）。
在步骤302中确定触摸类型以及触摸面积，正如第一实施例中所述，触摸类型包括单轻点、双轻点、轻点滑动、按压、闪动、两点靠近或远离、两点转动。触摸面积的获取方法也与第一实施例中所述一致，于此不作赘述。
在步骤303中，判断触摸面积是否位于面积阈值范围之内，其中，若触摸面积位于面积阈值范围之内，则判定此时需要确认物理按键事件，故执行步骤304，将触摸面积结合触摸类型来确定相应的物理按键事件，并在步骤305中触发该物理按键事件，在步骤306中响应物理按键事件以调用预设按键处理逻辑进行物理按键事件映射的按键操作。从而通过触摸动作来模拟物理按键。
若触摸面积不在面积阈值范围之内，则判定此时无需确认物理按键事件，而执行步骤307，根据触摸类型来确认相应的触控事件。其中，相应的触控事件包括启动或关闭应用程序事件、开启或关闭应用程序或文档事件、放大图片事件、缩小图片事件、卷动或滑动图片事件以及转动图片事件。举例而言，可根据单轻点来启动应用程序或激活一个图像；根据双轻点开启或关闭应用程序或文档；根据轻点滑动移动显示屏上的项目或放大缩小页面、地图以及图片；根据按压启动应用程序或关闭应用程序；根据闪动卷动或滑动一系列项目或页面；根据两点靠近或远离缩放或放大所显示的项目；根据转动来转动所显示的项目等等。
因此，在本实施例中，通过提供人机交互接口以获取用户选择的面积阈值范围，并判断触摸动作对应的触摸面积是否位于面积阈值范围来发送物理按键事件或常规操作事件，从而使得用户在采用不同的触摸动作输入方式（包括利用指尖、手指肚以及手掌作出触摸动作）时可判定出用户需要的是发送物理按键事件或常规操作事件，通过触摸面积实现了物理按键事件的确认，使得在实际应用中可通过触摸动作来确认物理按键事件，并通过触发和相应该物理按键事件以调用预设按键处理逻辑进行物理按键事件映射的按键操作，从而来实现了物理按键的模拟。
通过将触摸类型结合触摸面积设置对应相应的物理按键事件，本发明极大地扩大了触摸类型的种类，具体地，通过加入触摸面积的判断，更能使得单轻点、双轻点、轻点滑动、按压、闪动、两点靠近或远离、两点转动等触摸类型所能够对应的事件加倍。本发明通过以上技术方案，有效地通过触摸类型结合触摸面积来实现物理按键或虚拟按键所对应的物理按键事件的触发，有效解决了利用物理按键或虚拟按键使得用户体验不高并且浪费显示屏面积的技术问题。
以下请参见图12，图12是本发明第二实施例的基于触摸屏的输入装置的系结构示意图。如图12所示，本发明的基于触摸屏的物理按键模拟装置包括触摸动作处理模块401、人机交互接口模块405、判断模块406、物理按键事件触发模块403、按键操作模块404、物理按键事件确认模块402以及触控事件确认模块407。其中：
触摸动作处理模块401，用于感应触摸屏上的触摸动作以确定触摸类型，并获取触摸动作所对应的触摸面积；
人机交互接口模块405，人机交互接口模块405用于获取用户设置的面积阈值范围；
判断模块406，用于判断触摸面积是否位于面积阈值范围之内，若是，物理按键事件确认模块402将触摸面积结合触摸类型来确定相应的物理按键事件，若否，触控事件确认模块407根据触摸类型来确定相应的触控事件；
物理按键事件触发模块403，用于触发物理按键事件；
按键操作模块404，用于响应物理按键事件以调用预设按键处理逻辑进行物理按键事件映射的按键操作。
其中，触摸动作处理模块401进一步用于：在感应到触摸动作之后，延时一预定时长再获取触摸动作所对应的触摸面积。
其中，触摸动作处理模块401进一步用于：统计触摸动作与触摸屏接触的触摸区域的触控点数，并根据触控点数以及每一触控点的面积计算触摸面积。
以下请进一步参见图13，图13是本发明第三实施例的基于触摸屏的输入装置的硬件结构图。如图13所示，本发明的基于触摸屏的物理按键模拟装置包括触摸屏801、处理器802以及总线804，处理器802、以及触摸屏805分别与总线804耦合连接，并通过总线804进行交互通信，触摸屏801用于感应触摸屏801上的触摸动作；处理器802用于：根据触摸动作确定触摸类型，并获取触摸动作所对应的触摸面积；将触摸面积结合触摸类型来确定相应的物理按键事件；触发物理按键事件；响应物理按键事件以调用预设按键处理逻辑进行物理按键键值映射的按键操作。
可选地，本发明的基于触摸屏的物理按键模拟装置可进一步包括与总线804耦合连接的显示屏805，上述的处理器802进一步用于：向显示屏805输出显示界面以显示面积阈值范围设置界面，控制触摸屏801获取用户设置的面积阈值范围。并且，该处理器802可进一步用于：判断触摸面积是否位于面积阈值范围之内，若是，将触摸面积结合触摸类型来确定相应的物理按键事件，若否，根据触摸类型来确定相应的触控事件。
另外，该处理器802可进一步用于：在触摸屏感应到触摸动作之后，延时一预定时长再获取触摸动作所对应的触摸面积。并且该程序可进一步包括：统计触摸动作与触摸屏接触的触摸区域的触控点数，并根据触控点数以及每一触控点的面积计算触摸面积。
以下将参见图14列举一具体的应用场景，图14为本发明应用于ANDRIOD操作系统的软件接口连接示意图。如图14所示，在本应用场景中以ANDRIOD手机为例对本发明进行具体说明，在ANDRIOD手机中，可通过修改算法，使得ANDRIOD操作系统的外接接口可以上报触控区域坐标的平均值以及触控点数（以（x，y，num）表示）至内核。其中，x为触控区域坐标的横坐标平均值，y为触控区域坐标的纵坐标平均值，num为触控点数。
具体地，可通过修改屏幕的驱动程序：自底向上修改ANDRIOD操作系统中Kernel层/Native Framework 中的EventHub（x，y） 中的消息，将其修改为EventHub（x，y，num），把（x，y，num）信息传递给 Java Framework，该信息包含了触控面积。
为了保持上层应用对原有操作的兼容，不改动MotionEvent (x，y)和KeyEvent(x，y) 的接口，其中触摸类型由MotionEvent (x，y)接口和KeyEvent(x，y)接口决定，MotionEvent (x，y) 接口表示触摸动作的移动，KeyEvent(x，y) 接口表示触摸动作的种类，而是增加新的消息NumEvent（x，y，num）（带触控点数的坐标）传递给操作系统。
操作系统响应NumEvent（x，y，num）消息，计算触摸面积，并根据面积完成相应的应用处理。
另外，也可通过触控点数或者触控面积来设定门限，门限的范围可以按照普通触控、手指肚触控、手掌触控来设置。每种门限大小提供默认值，用户可根据自己手指大小调节。
用户可选择常用操作门限和物理键操作门限。用自己最习惯的门限来实现日常操作，不常用的门限用来区分作为物理物理按键的操作。
操作系统收到应NumEvent（x，y，num）消息后，根据触控面积和MotionEvent (x，y)和KeyEvent(x，y)确定的触摸类型，在该触摸类型符合一定条件时，模拟出一个物理键盘事件进行发送。
假定用户选择手指肚操作为物理键操作，举例而言：
当用户用手指肚长按，操作系统判断NumEvent中的Num所对应的触摸面积超过门限，就发送MENU按键事件。
操作系统收到向左滑动事件，操作系统判断NumEvent（x，y，num）中的Num所对应的触摸面积超过门限，就发送RETURN按键事件。操作系统收到向右滑动事件，操作系统判断NumEvent中的Num所对应的触摸面积超过门限，就发送HOME按键事件。当然也可用其他组合来实现替代上述的物理按键功能。其中，触摸面积、触摸类型与物理按键事件之间的关系可参见上文中的表1、表2或表3进行设置。
因此，本发明所揭示的技术方案通过在没有设置物理按键的情况下，提供一种方便易用的手段，替代原有的功能，并且该方案不占用触摸屏的显示空间，把显示空间留给用户显示更多的内容。　　
基于以上公开内容，本发明实施例的基于触摸屏的物理按键模拟方法及装置通过触摸类型结合触摸面积来实现物理按键或虚拟按键所对应的物理按键事件的触发，响应该物理按键事件以调用预设按键处理逻辑进行物理按键事件映射的按键操作，从而实现了对物理按键的模拟，有效解决了利用物理按键或虚拟按键使得用户体验不高并且浪费显示屏面积的技术问题。
在本申请所提供的几个实施方式中，应该理解到，所揭露的装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例实施方式仅仅是示意性的，例如，所述模块或单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例实施方式方案的目的。
另外，在本申请各个实施例实施方式中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备（可以是个人计算机，服务器，或者网络设备等）或处理器（processor）执行本申请各个实施例实施方式所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器（ROM，Read-Only Memory）、随机存取存储器（RAM，Random Access Memory）、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (15)

  1. 一种基于触摸屏的物理按键模拟方法，其特征在于，包括：
    感应所述触摸屏上的触摸动作以确定触摸类型，并获取所述触摸动作所对应的触摸面积；
    将所述触摸面积结合所述触摸类型来确定相应的物理按键事件；
    触发所述物理按键事件；
    响应所述物理按键事件以调用预设按键处理逻辑进行所述物理按键事件映射的按键操作。
  2. 根据权利要求1所述的方法，其特征在于，在所述感应所述触摸屏上的触摸动作以确定触摸类型，并获取所述触摸动作所对应的触摸面积之前，提供人机交互接口以获取用户设置的面积阈值范围。
  3. 根据权利要求2所述的方法，其特征在于，所述获取所述触摸动作所对应的触摸面积进一步包括：
    判断所述触摸面积是否位于所述面积阈值范围之内，若是，则将所述触摸面积结合所述触摸类型来确定相应的物理按键事件，若否，则根据所述触摸类型来确定相应的触控事件。
  4. 根据权利要求1至3任一项所述的方法，其特征在于，所述感应所述触摸屏上的触摸动作以确定触摸类型，并获取所述触摸动作所对应的触摸面积包括：
    在感应到所述触摸动作之后，延时一预定时长再获取所述触摸动作所对应的触摸面积。
  5. 根据权利要求1至4任一项所述的方法，其特征在于，所述获取所述触摸动作所对应的触摸面积包括：
    统计所述触摸动作与所述触摸屏接触的触摸区域的触控点数，并根据所述触控点数以及每一所述触控点的面积计算所述触摸面积。
  6. 一种基于触摸屏的物理按键模拟装置，其特征在于，包括：
    触摸动作处理模块，用于感应所述触摸屏上的触摸动作以确定触摸类型，并获取所述触摸动作所对应的触摸面积；
    物理按键事件确认模块，用于将所述触摸面积结合所述触摸类型来确定相应的物理按键事件；
    物理按键事件触发模块，用于触发所述物理按键事件；
    按键操作模块，用于响应所述物理按键事件以调用预设按键处理逻辑进行所述物理按键事件映射的按键操作。
  7. 根据权利要求6所述的装置，其特征在于，所述装置进一步包括人机交互接口模块，所述人机交互接口模块用于获取用户设置的面积阈值范围。
  8. 根据权利要求7所述的装置，其特征在于，所述装置进一步包括判断模块以及触控事件确定模块，所述判断模块用于判断所述触摸面积是否位于所述面积阈值范围之内，若是，所述物理按键事件确认模块将所述触摸面积结合所述触摸类型来确定相应的物理按键事件，若否，所述触控事件确认模块根据所述触摸类型来确定相应的触控事件。
  9. 根据权利要求6至8任一项所述的装置，其特征在于，触摸动作处理模块进一步用于：在感应到所述触摸动作之后，延时一预定时长再获取所述触摸动作所对应的触摸面积。
  10. 根据权利要求6至9任一项所述的装置，其特征在于，触摸动作处理模块进一步用于：
    统计所述触摸动作与所述触摸屏接触的触摸区域的触控点数，并根据所述触控点数以及每一所述触控点的面积计算所述触摸面积。
  11. 一种基于触摸屏的物理按键模拟装置，其特征在于，所述装置包括触摸屏、处理器以及总线，所述处理器以及所述触摸屏分别与所述总线耦合连接，并通过所述总线进行交互通信，
    所述触摸屏用于感应所述触摸屏上的触摸动作；
    所述处理器用于：
    根据所述触摸动作确定触摸类型，并获取所述触摸动作所对应的触摸面积；将所述触摸面积结合所述触摸类型来确定相应的物理按键事件；触发所述物理按键事件；响应所述物理按键事件以调用预设按键处理逻辑进行所述物理按键键值映射的按键操作。
  12. 根据权利要求11所述的装置，其特征在于，所述装置进一步包括与所述总线耦合连接的显示屏，所述处理器进一步用于：
    向所述显示屏输出显示界面以显示面积阈值范围设置界面，从所述触摸屏获取用户设置的面积阈值范围。
  13. 根据权利要求12所述的装置，其特征在于，所述处理器进一步用于：
    判断所述触摸面积是否位于所述面积阈值范围之内，若是，将所述触摸面积结合所述触摸类型来确定相应的物理按键事件，若否，根据所述触摸类型来确定相应的触控事件。
  14. 根据权利要求11至13任一项所述的装置，其特征在于，所述处理器进一步用于：在所述触摸屏感应到所述触摸动作之后，延时一预定时长再获取所述触摸动作所对应的触摸面积。
  15. 根据权利要求11至14任一项所述的装置，其特征在于，所述处理器进一步用于：统计所述触摸动作与所述触摸屏接触的触摸区域的触控点数，并根据所述触控点数以及每一所述触控点的面积计算所述触摸面积。
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