WO2015051680A1

WO2015051680A1 - Method and apparatus for controlling virtual keyboard of mobile terminal

Info

Publication number: WO2015051680A1
Application number: PCT/CN2014/085305
Authority: WO
Inventors: 陈晓昕
Original assignee: 百度在线网络技术（北京）有限公司
Priority date: 2013-10-08
Filing date: 2014-08-27
Publication date: 2015-04-16
Also published as: CN104516664A

Abstract

The present invention provides a method and an apparatus for controlling a virtual keyboard of a mobile terminal. The method comprises: obtaining multiple touch regions that are input by a user on a virtual keyboard of a mobile terminal in a preset time period; obtaining, according to the multiple touch regions, touch frequency and an average touch area of multiple keys corresponding to the multiple touch regions; screening the multiple keys according to the touch frequency; and determining a response region according to an average touch area of multiple keys after the screening, and modulating, according to the response region, sizes of the multiple keys after the screening. According to the method in an embodiment of the present invention, a touch region of keys can be properly adjusted when a display region of a touch display screen is insufficient.

Description

Virtual keyboard control method and device for mobile terminal

Cross-reference to related applications

The present application claims the priority of the Chinese Patent Application No. 201310465287.0, which is filed on Oct. 8, 2013, which is entitled "Virtual Keyboard Control Method and Apparatus for Mobile Terminal" by Baidu Online Network Technology (Beijing) Co., Ltd.

Technical field

The present invention relates to the field of mobile device technologies, and in particular, to a virtual keyboard control method and apparatus for a mobile terminal.

Background technique

With the development of touch technology, a touch display screen of a plurality of mobile terminals provides a virtual keyboard, and a user inputs a key according to the virtual keyboard. However, not all touch display screens have a large display area to provide a virtual keyboard. For example, if the touch display screen of the mobile phone is small, the virtual keyboard may not be displayed, or the touch displayed by each touch button may be displayed. The area is extremely small, which makes operation difficult.

Therefore, it is necessary to adjust the touch area of each button in the virtual keyboard. At present, the size of the key of the virtual keyboard is often determined by the spacing of multiple fingers of the user, but the following technical defects exist. If the display area of the touch display screen is still insufficient, the size of each button is still too small, and the problem of difficulty in operation is still Existence, too small a button size will make it difficult for the user to correctly touch the target button with the finger, or even easily touch the non-target button.

Summary of the invention

The present invention aims to solve at least one of the above technical problems.

To this end, a first object of the present invention is to provide a virtual keyboard control method for a mobile terminal. When the display area of the touch display screen is insufficient, the touch area of the button can be reasonably adjusted, thereby effectively solving the problem that the operation of the button is too small and the operation is difficult.

A second object of the present invention is to provide a virtual keyboard control device for a mobile terminal.

A third object of the present invention is to provide a storage medium.

In order to achieve the above objective, the virtual keyboard control method of the mobile terminal of the first aspect of the present invention includes the following steps: acquiring a plurality of touch areas input by a user on a virtual keyboard of the mobile terminal in a preset time period; acquiring and a touch frequency and an average touch area of the plurality of buttons corresponding to the plurality of touch areas; screening the plurality of buttons according to the touch frequency; and the average touch according to the plurality of buttons after the screening Control area determines the response area, and The size of the plurality of buttons after the screening is modulated according to the response area.

The virtual keyboard control method of the mobile terminal according to the embodiment of the present invention filters a plurality of keys according to the touch frequency of the plurality of buttons corresponding to the plurality of touch areas to obtain keys that are frequently used by the user, and, according to each of the screens after screening The average touch area of the buttons determines the corresponding response area, and the size of each button after the screening is modulated according to the response area, so that when the display area of the touch display screen is insufficient, the touch area of the button can be reasonably adjusted, effectively The problem that the button size is too small to operate is solved, for example, the touch area of the button that is not frequently used is reduced; in addition, the size of each button in the virtual keyboard is more in line with the user's input habits, thereby improving the user experience. .

In order to achieve the above object, a virtual keyboard control apparatus for a mobile terminal according to a second aspect of the present invention includes: a touch area acquisition module, configured to acquire multiple touches input by a user on a virtual keyboard of a mobile terminal in a preset time period. a control area, a touch frequency and an average touch area acquisition module, configured to acquire a touch frequency and an average touch area of the plurality of buttons corresponding to the plurality of touch areas; and a screening module, configured to perform, according to the touch Frequency-selecting the plurality of buttons; determining a module, configured to determine a response region according to the average touch area of the plurality of buttons after the screening; and a modulation module, configured to perform filtering according to the response region modulation The size of the plurality of buttons.

The virtual keyboard control device of the mobile terminal of the embodiment of the present invention may filter a plurality of keys according to a touch frequency of a plurality of buttons corresponding to the plurality of touch areas by the screening module to obtain a button frequently used by the user, and determine the module according to the The average touch area of each button after the screening determines the corresponding response area, and the modulation module modulates the size of each button after the screening according to the response area, so that when the display area of the touch display screen is insufficient, the touch of the button can be reasonably adjusted. The control area effectively solves the problem that the button size is too small to cause difficulty in operation, for example, the touch area of the button that is not frequently used is reduced; in addition, the size of each button in the virtual keyboard is more in line with the user's input habits. , improved user experience.

In order to achieve the above object, a storage medium according to a third aspect of the present invention is configured to store an application for executing a virtual keyboard control method of the mobile terminal according to the first aspect of the present invention.

The additional aspects and advantages of the invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a flowchart of a virtual keyboard control method of a mobile terminal according to an embodiment of the present invention;

2 is a flowchart of a virtual keyboard control method of a mobile terminal according to another embodiment of the present invention;

3 is a structural block diagram of a virtual keyboard control apparatus of a mobile terminal according to an embodiment of the present invention;

4 is a structural block diagram of a virtual keyboard control apparatus of a mobile terminal according to another embodiment of the present invention;

FIG. 5 is a structural block diagram of a virtual keyboard control apparatus of a mobile terminal according to still another embodiment of the present invention.

detailed description

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are intended to be illustrative of the invention and are not to be construed as limiting. Rather, the invention is to cover all modifications, modifications and equivalents within the spirit and scope of the appended claims.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that the terms "connected" and "connected" are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral, unless otherwise explicitly defined and defined. Ground connection; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art. Further, in the description of the present invention, the meaning of "a plurality" is two or more unless otherwise specified.

Any process or method description in the flowcharts or otherwise described herein may be understood to represent a module, segment or portion of code that includes one or more executable instructions for implementing the steps of a particular logical function or process. And the scope of the preferred embodiments of the invention includes additional implementations, in which the functions may be performed in a substantially simultaneous manner or in an opposite order depending on the functions involved, in the order shown or discussed. It will be understood by those skilled in the art to which the embodiments of the present invention pertain.

A virtual keyboard control method and apparatus for a mobile terminal according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

In order to solve the problem in the prior art, if the touch display screen is too small, the display size of the virtual keyboard button is too small, which is not conducive to the input operation, and the touch area of the virtual keyboard and the touch frequency of each button can be adjusted by the user's finger. For this reason, the present invention provides a virtual keyboard control method for a mobile terminal, comprising the steps of: acquiring a plurality of touch areas input by a user on a virtual keyboard of the mobile terminal in a preset time period; acquiring and touching The touch frequency and the average touch area of the plurality of buttons corresponding to the control area; screening the plurality of buttons according to the touch frequency; and determining the response area according to the average touch area of the plurality of buttons after the screening, and modulating according to the response area The size of multiple buttons after filtering.

1 is a flow chart of a virtual keyboard control method of a mobile terminal according to an embodiment of the present invention.

As shown in FIG. 1, the virtual keyboard control method of the mobile terminal includes the following steps:

S101. Acquire a plurality of touch areas input by a user on a virtual keyboard of the mobile terminal in a preset time period.

In an embodiment of the present invention, the mobile terminal may be a hardware device with various operating systems, such as a mobile phone, a tablet computer, a personal digital assistant, an e-book, etc., and has a touch display screen, and the touch display screen may display virtual keyboard. In addition, the embodiment of the present invention does not limit the virtual keyboard.

In an embodiment of the present invention, the touch area input by the user on the virtual keyboard of the mobile terminal is obtained through capacitive sensing of the touch screen, and is mainly a touch area input by the user on the virtual keyboard of the mobile terminal.

The preset time period may be set by the system by default, or may be set by the user. For example, the preset time period is one week, and all the touch areas input by the user on the virtual keyboard of the mobile terminal in the past week can be obtained through the capacitive sensing of the touch screen.

S102. Acquire a touch frequency and an average touch area of the plurality of buttons corresponding to the plurality of touch areas.

In the preset time period, each button can correspond to multiple touches, and the touch area of each touch is concentrated near the button, and the average touch area of each button can pass through the corresponding multiple touch areas. The averaging algorithm is obtained. For example, the preset time period is one week, and it can be known according to the plurality of touch areas that the user touches the button A on the virtual keyboard in the past week, the button A corresponds to the plurality of touch areas, and the plurality of touches according to the button A The area obtains the frequency of the touch button A in the past week, and adds and compares the touch areas of the plurality of touch areas of the button A, and then divides the sum value by the touch frequency of the button A to obtain the button. The average touch area of A.

S103. Filter multiple buttons according to the touch frequency.

Specifically, the plurality of keys acquired in the preset time period may be filtered according to the touch frequency, and the keys that do not meet the preset condition are deleted, which will be further described in the following embodiments.

S104. Determine a response area according to an average touch area of the plurality of buttons after the screening, and adjust a size of the plurality of buttons after the screening according to the response area.

Specifically, the corresponding response area may be determined according to the average touch area of each button after the screening, and the size of each button after the screening is modulated according to the response area.

2 is a flow chart of a virtual keyboard control method of a mobile terminal according to another embodiment of the present invention.

In order to more accurately obtain the keys frequently used by the user in the virtual keyboard of the mobile terminal to further enhance the user experience, it is necessary to determine whether the touch frequency of the button is greater than a preset frequency, and if it is less than or equal to the preset frequency, the corresponding button is screened out. . Specifically, as shown in FIG. 2, the virtual keyboard control method of the mobile terminal includes the following steps:

S201. Acquire a plurality of touch areas input by the user on the virtual keyboard of the mobile terminal in the preset time period.

In an embodiment of the present invention, the mobile terminal may be a hardware device with various operating systems, such as a mobile phone, a tablet computer, a personal digital assistant, an e-book, etc., and has a touch function, and the touch display screen may display Show virtual keyboard. In addition, the embodiment of the present invention does not limit the virtual keyboard.

S202. Acquire a touch frequency and an average touch area of the plurality of buttons corresponding to the plurality of touch areas.

S203. Determine whether the touch frequency is greater than a preset frequency.

The preset frequency can be set by default or set by the user. Specifically, if the touch frequency of the button is greater than the preset frequency, it is considered that the user frequently uses the button, thereby obtaining a button that the user frequently uses, and proceeds to step S205.

S204. If it is less than or equal to the preset frequency, the corresponding button is screened out.

Specifically, if the touch frequency of the button is less than or equal to the preset frequency, it may be considered that the user does not frequently use the button, and the button is screened out, thereby obtaining a plurality of buttons after the screening.

S205. Determine a response area according to an average touch area of the plurality of buttons after the screening, and adjust a size of the plurality of buttons after the screening according to the response area.

The virtual keyboard control method of the mobile terminal of the embodiment of the present invention determines whether the touch frequency of the button is greater than a preset frequency. If the touch frequency is less than or equal to the preset frequency, the corresponding button is screened, thereby obtaining the user's mobile terminal more accurately. Keys that are often used in virtual keyboards.

In an embodiment of the present invention, in order to make the size of each of the modulated keys more precise, the virtual keyboard control method of the mobile terminal further includes: determining a response area according to an average touch area and a touch frequency of the plurality of buttons after the screening. And modulate the size of the plurality of buttons after filtering according to the response area. For example, the touch frequency is high, and the corresponding response area is large, that is, the user's finger may be relatively large, a large response area is required, the average touch area is large, and the corresponding response area is large, so that the keys frequently used by the user can be appropriately adjusted. Touch area.

In an embodiment of the present invention, in order to make the virtual keyboard more convenient for user input, the keys in the virtual keyboard may be re-arranged according to the user's usage habits, and the virtual keyboard control method of the mobile terminal further includes: The average touch area and/or touch frequency of the buttons re-layout the keys in the virtual keyboard. Among them, the size of the virtual keyboard can be saved. For example, the button that the user frequently uses can be adjusted to the front or the middle according to the touch frequency, and the position that is easy to touch.

In order to implement the above embodiments, the present invention also provides a virtual keyboard control apparatus for a mobile terminal.

A virtual keyboard control device for a mobile terminal, comprising: a touch area acquisition module, configured to acquire a plurality of touch areas input by a user on a virtual keyboard of the mobile terminal in a preset time period; a touch frequency and an average touch area The acquiring module is configured to acquire a touch frequency and an average touch area of the plurality of buttons corresponding to the plurality of touch areas; the screening module is configured to filter the plurality of keys according to the touch frequency; and the determining module is configured to filter according to the The average touch area of the plurality of keys thereafter determines a response area; and a modulation module for modulating the size of the plurality of keys after the screening according to the response area.

FIG. 3 is a structural block diagram of a virtual keyboard control apparatus of a mobile terminal according to an embodiment of the present invention.

As shown in FIG. 3, the virtual keyboard control device of the mobile terminal includes: a touch area acquisition module 100, a touch frequency and average touch area acquisition module 200, a screening module 300, a determination module 400, and a modulation module 500.

Specifically, the touch area obtaining module 100 is configured to acquire a plurality of touch areas input by the user on the virtual keyboard of the mobile terminal in the preset time period. The preset time period may be set by the system by default, or may be set by the user. For example, the preset time period is one week, and the touch area obtaining module 100 can acquire all the touch areas input by the user on the virtual keyboard of the mobile terminal in the past one week through the capacitive sensing of the touch screen.

The touch frequency and average touch area acquisition module 200 is configured to acquire a touch frequency and an average touch area of a plurality of buttons corresponding to the plurality of touch areas. In the preset time period, each button can correspond to multiple touches, and the touch area of each touch is concentrated near the button, and the average touch area of each button can pass through the corresponding multiple touch areas. The averaging algorithm is obtained. For example, the preset time period is one week, and it can be known according to the plurality of touch areas that the user touches the button A on the virtual keyboard in the past week, the button A corresponds to the plurality of touch areas, and the plurality of touches according to the button A The area obtains the frequency of the touch button A in the past week, and adds and compares the touch areas of the plurality of touch areas of the button A, and then divides the sum value by the touch frequency of the button A to obtain the button. The average touch area of A.

The screening module 300 is configured to filter a plurality of buttons according to a touch frequency. More specifically, the plurality of keys acquired in the preset time period may be filtered according to the touch frequency, and the keys that do not meet the preset condition are deleted.

The determining module 400 is configured to determine a response area according to an average touch area of the plurality of buttons after the screening. More specifically, the determining module 400 may determine a corresponding response area according to an average touch area of each button after the screening.

The modulation module 500 is configured to modulate the size of the plurality of buttons after the screening according to the response area. More specifically, the modulation module 500 can modulate the size of each button after screening based on the response area.

In an embodiment of the present invention, in order to make the size of each of the modulated buttons more precise, the determining module 400 is further configured to determine the region of the response according to the average touch area and the touch frequency of the plurality of buttons after the screening. For example, the touch frequency is high, and the corresponding response area is large, that is, the user's finger may be relatively large, a large response area is required, the average touch area is large, and the corresponding response area is large, so that the keys frequently used by the user can be appropriately adjusted. Touch area.

4 is a structural block diagram of a virtual keyboard control apparatus of a mobile terminal according to another embodiment of the present invention.

As shown in FIG. 4, the virtual keyboard control device of the mobile terminal includes: a touch area acquisition module 100, a touch frequency and average touch area acquisition module 200, a screening module 300, a determination module 400, a modulation module 500, a determination unit 310, and Screening unit 320. The screening module 300 includes: a determining unit 310 and a screening unit 320.

Specifically, the determining unit 310 is configured to determine whether the touch frequency is greater than a preset frequency. The preset frequency can be set by default or set by the user. More specifically, if the touch frequency of the button is greater than the preset frequency, it can be considered that the user frequently uses the button, thereby obtaining a button that the user frequently uses.

The screening unit 320 is configured to screen out corresponding buttons when the preset frequency is less than or equal to. More specifically, if the touch frequency of the button is less than or equal to the preset frequency, it can be considered that the user does not use the button frequently, and the screening unit 320 screens out the button, thereby obtaining a plurality of buttons after the screening.

The virtual keyboard control device of the mobile terminal of the embodiment of the present invention can determine whether the touch frequency of the button is greater than a preset frequency by the determining unit, and the screening unit screens the corresponding button when the screen is less than or equal to the preset frequency, thereby more accurately The keys that are frequently used by the user in the virtual keyboard of the mobile terminal are obtained.

As shown in FIG. 5, the virtual keyboard control device of the mobile terminal includes: a touch area acquisition module 100, a touch frequency and average touch area acquisition module 200, a screening module 300, a determination module 400, a modulation module 500, and a re-layout module 600. The judging unit 310 and the screening unit 320. The screening module 300 includes: a determining unit 310 And screening unit 320.

Specifically, the re-layout module 600 is configured to re-layout the keys in the virtual keyboard according to the average touch area and/or the touch frequency of the plurality of buttons after the screening. Among them, the size of the virtual keyboard can remain unchanged. For example, the button that the user frequently uses can be adjusted to the front or the middle according to the touch frequency, and the position that is easy to touch.

The virtual keyboard control device of the mobile terminal in the embodiment of the present invention can re-layout the keys in the virtual keyboard according to the user's usage habits by the re-layout module, so that the virtual keyboard is more convenient for the user to input and use, thereby further improving the user experience.

In order to implement the above embodiments, the present invention further provides a storage medium for storing an application for executing a virtual keyboard control method of the mobile terminal according to any one of the embodiments of the present invention.

It should be understood that portions of the invention may be implemented in hardware, software, firmware or a combination thereof. In the above-described embodiments, multiple steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, it can be implemented by any one or combination of the following techniques well known in the art: having logic gates for implementing logic functions on data signals. Discrete logic circuits, application specific integrated circuits with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. The structure, materials, or characteristics are included in various embodiments or examples of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

While the embodiments of the present invention have been shown and described, the embodiments of the invention may The scope of the invention is defined by the claims and their equivalents.

Claims

A virtual keyboard control method for a mobile terminal, comprising:

Obtaining a plurality of touch areas input by the user on the virtual keyboard of the mobile terminal in the preset time period;

Obtaining a touch frequency and an average touch area of the plurality of buttons corresponding to the plurality of touch regions;

Filtering the plurality of buttons according to the touch frequency;

Determining a response area according to the average touch area of the plurality of buttons after the screening, and modulating a size of the plurality of buttons after the screening according to the response area.
The method according to claim 1, wherein the screening the plurality of buttons according to the touch frequency comprises:

Determining whether the touch frequency is greater than a preset frequency;

If it is less than or equal to the preset frequency, the corresponding button is screened out.
The method according to claim 1 or 2, further comprising:

Determining the response area according to the average touch area of the plurality of buttons after the screening and the touch frequency, and modulating the size of the plurality of buttons after the screening according to the response area.
The method of claim 3, further comprising:

And re-laying the keys in the virtual keyboard according to the average touch area of the plurality of buttons after the screening and/or the touch frequency.
A virtual keyboard control device for a mobile terminal, comprising:

The touch area obtaining module is configured to acquire a plurality of touch areas input by the user on the virtual keyboard of the mobile terminal in the preset time period;

The touch frequency and the average touch area acquisition module are configured to acquire a touch frequency and an average touch area of the plurality of buttons corresponding to the plurality of touch areas;

a screening module, configured to filter the plurality of buttons according to the touch frequency;

a determining module, configured to determine a response area according to the average touch area of the plurality of buttons after the screening;

And a modulation module, configured to modulate a size of the plurality of buttons after the screening according to the response area.
The apparatus according to claim 5, wherein the screening module comprises:

a determining unit, configured to determine whether the touch frequency is greater than a preset frequency;

And a screening unit for screening the corresponding button when the preset frequency is less than or equal to.
The device according to claim 5 or 6, wherein the determining module is further configured to determine the area of the response according to the average touch area of the plurality of buttons after the screening and the touch frequency .
The device according to claim 7, further comprising:

And a re-layout module, configured to re-layout the keys in the virtual keyboard according to the average touch area of the plurality of buttons after the screening and/or the touch frequency.
A storage medium for storing an application for executing a virtual keyboard control method of the mobile terminal according to any one of claims 1 to 4.