WO2015021890A1

WO2015021890A1 - Touchscreen-based input method and device

Info

Publication number: WO2015021890A1
Application number: PCT/CN2014/084053
Authority: WO
Inventors: 张伟
Original assignee: 华为终端有限公司
Priority date: 2013-08-14
Filing date: 2014-08-11
Publication date: 2015-02-19
Also published as: CN104375769A

Abstract

Disclosed are a touchscreen-based input method and device, which belong to the field of terminal devices. The touchscreen-based input method comprises: displaying a soft keyboard, the soft keyboard comprising a first number of elements; and when a first screen touch operation is detected, according to an instruction of the first screen touch operation, amplifying and displaying a second number of elements related to the operation instruction, the first screen touch operation being a screen touch operation performed on the soft keyboard, wherein the first number is greater than the second number. The touchscreen-based input apparatus comprises: a display control module and a detection control module. The rough operation range of the first screen touch operation is determined via the specific position of the first screen touch operation on a touchscreen, and only elements within this range are locally amplified and displayed, so that the selection and input of elements are realized, thereby improving the input accuracy.

Description

Touch screen based input method and device

The present application is filed on August 14, 2013, the disclosure of which is hereby incorporated by reference. Technical field

The present invention relates to the field of terminal devices, and in particular, to a touch screen based input method and device. BACKGROUND OF THE INVENTION With the development of terminal devices, input devices of terminal devices have evolved from the original keypad to today's touch screens, and soft keyboard input modes based on touch screens have been widely used.

A common soft keyboard usually displays multiple elements on one main screen. For example, for the letter interface, 26 letters are displayed in one main screen, and the input of letters is realized by the user's selection.

In the process of implementing the present invention, the inventors have found that the prior art has at least the following problems: The size of the touch screen of the terminal device is often limited by the terminal device itself, and the screen area thereof is generally small, if displayed in a range of a small area. There are too many letters, each letter is difficult to select accurately, the input accuracy is poor, and the error rate is high, which causes trouble to the user's actual operation. SUMMARY OF THE INVENTION In order to solve the problems of the prior art, embodiments of the present invention provide a touch screen based input method and apparatus. The technical solution is as follows:

In a first aspect, a touch screen based input method is provided, the method comprising:

Displaying a soft keyboard, the soft keyboard including a first number of elements;

When the first touch screen operation is detected, according to an instruction of the first touch screen operation, a second number of elements associated with the operation instruction are enlarged, and the first touch screen operation is performed on the soft keyboard Touch screen operation;

The first number is greater than the second number.

Preferably, according to the instruction of the first touch screen operation, the enlarged display is in accordance with the operation instruction The second number of elements associated with, including:

A second number of elements associated with the contact point coordinates are displayed in an enlarged manner based on the contact point coordinates of the first touch screen operation.

Preferably, the zooming in and displaying the second number of elements associated with the contact point coordinates according to the contact point coordinates of the first touch screen operation comprises:

Determining, according to the contact point coordinates of the first touch screen operation and the coordinates of the first number of elements, an element that meets a preset rule with a distance between the coordinates of the contact point of the first touch screen operation as The second number of elements associated with the contact point coordinates;

The second number of elements are displayed in an enlarged manner.

Preferably, the soft keyboard includes: an alphabet display area, a symbol thumbnail display area, a digital thumbnail display area, and an input box, wherein the letter display area includes 26 letter keys; the symbol thumbnail display area includes A symbol thumbnail key; the digital thumbnail display area includes a numeric thumbnail key.

When the first touch screen operation is located at the symbol thumbnail key, the symbol key and the delete key associated with the symbol thumbnail key are enlargedly displayed; or

When the first touch screen operation is located at the digital thumbnail key, the numeric key and the delete key associated with the digital thumbnail key are enlargedly displayed; or

When the first touch screen operation is located in the letter display area, the letter key and the delete key associated with the contact point coordinates of the first touch screen operation are enlarged.

Preferably, the determining, according to the contact point coordinates of the first touch screen operation and the coordinates of the first number of elements, determining a distance between the coordinates of the contact point of the first touch screen operation conforms to a preset rule The element as the second number of elements associated with the contact point coordinates includes:

When the contact point of the first touch screen operation is located in the letter display area, according to the distance between the contact point coordinates and the center coordinate of the area where each letter key in the letter display area is located, according to the distance from small to large a sequence of obtaining a second number of letter keys, determining the second number of letter keys as the second number of elements; or

When the contact point of the first touch screen operation is located in the letter display area, determining a distance according to a distance between the contact point coordinates and a center coordinate of a region where each letter key in the letter display area is located a letter key having the smallest distance of the contact point coordinates, and determining a second number of letter keys including the letter key having the smallest distance and the letter key having the smallest distance as the second number of elements . In a second aspect, a touch screen based input device is provided, the device comprising:

a display control module, configured to control a touch screen display soft keyboard, wherein the soft keyboard includes a first number of elements;

a detection control module, configured to control the touch screen to detect a first touch screen operation, and send an operation instruction of the first touch screen operation to the display control module;

The display control module is further configured to control the touch screen to display a second number of elements associated with the operation instruction according to the operation instruction, where the first touch screen operation is performed on the soft keyboard The first number is greater than the second number.

Preferably, the display control module is further configured to control, according to the contact point coordinates of the first touch screen operation, the touch screen to display a second number of elements associated with the contact point coordinates.

Preferably, the device further includes:

An element determining module, configured to determine, according to the contact point coordinates of the first touch screen operation and the coordinates of the first number of elements, a distance between the coordinates of the contact point of the first touch screen operation according to a preset rule The element is the second number of elements associated with the contact point coordinates.

Preferably, the display control module is further configured to:

When the first touch screen operation is located in the letter display area, the letter key and the delete key associated with the contact point coordinates of the first touch screen operation are enlarged. Preferably, the element determining module further includes:

a letter obtaining unit, configured to: when the contact point of the first touch screen operation is located in the letter display area, according to the distance between the contact point coordinates and the central coordinate of the area where each letter key in the letter display area is located, according to the Obtaining a second number of letter keys in a sequence from small to large, and determining the second number of letter keys as the second number of elements; or

a letter determining unit, configured to: when the contact point of the first touch screen operation is located in the letter display area, determine the distance according to the distance between the contact point coordinates and the center coordinate of the area where each letter key in the letter display area is located a letter key having the smallest distance of the contact point coordinates, and determining a second number of letter keys including the letter key having the smallest distance and the letter key having the smallest distance as the second number of elements .

The beneficial effects brought by the technical solutions provided by the embodiments of the present invention are:

When the first touch screen operation is detected, determining the approximate operation range of the first touch screen operation according to the specific position of the first touch screen operation on the touch screen, according to the approximate operation range, the pair only includes the elements in the operation range The partial display is performed, so that the terminal device can input according to the soft keyboard, and the accurate selection of the elements can be realized without the need for accurate selection in the original soft keyboard, thereby improving the accuracy of the input. BRIEF DESCRIPTION OF THE DRAWINGS In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. Obviously, the drawings in the following description are only some of the present invention. For the embodiments, those skilled in the art can obtain other drawings according to the drawings without any creative work.

1 is a flow chart of a touch screen based input method according to an embodiment of the present invention;

2 is a schematic diagram of a soft keyboard provided by an embodiment of the present invention;

3 is a flow chart of a touch screen based input method according to an embodiment of the present invention;

4 is a schematic diagram of a touch screen operation point in a symbol thumbnail button according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a touch screen operating point in a digital thumbnail button according to an embodiment of the present invention; FIG.

6 is a schematic diagram of a touch screen operating point provided in an alphabet display area according to an embodiment of the present invention; FIG. 7 is a schematic diagram of a touch screen based input device according to an embodiment of the present invention; FIG. 8 is a schematic diagram of a touch screen based input terminal device according to an embodiment of the present invention. detailed description

The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

FIG. 1 is a flowchart of a touch screen based input method according to an embodiment of the present invention. The execution body of this embodiment is a terminal device. Referring to FIG. 1, the method includes:

101. Display a soft keyboard, where the soft keyboard includes a first number of elements;

It should be noted that, for different terminal devices, the soft keyboard may include elements corresponding to functions actually possessed by the terminal device. For example, if the terminal device only needs to input letters, the first number of elements of the soft keyboard may only include 26 English letters; for example, if the terminal device only needs to input letters and punctuation marks, the soft keyboard A number of elements can include 26 English letters and symbol abbreviations.

102. When detecting the first touch screen operation, according to the instruction of the first touch screen operation, zooming in and displaying a second number of elements associated with the operation instruction, the first touch screen operation is a touch on the soft keyboard Screen operation; wherein the first number is greater than the second number.

In the embodiment of the present invention, the first touch screen operation refers to a click operation at any position on the soft keyboard of the touch screen.

Further, according to the region where the contact point coordinates of the first touch screen operation are different, the second number of elements associated with the contact point coordinates are also different, for example, the corresponding element in the letter display area is a letter, and the symbol The elements corresponding to the thumbnail keys are punctuation marks, and the elements corresponding to the digital thumbnail keys are numbers and the like.

It should be noted that, when the second number of elements associated with the contact point coordinates are displayed in an enlarged manner, they may be located in a designated area of the soft keyboard and displayed in an enlarged manner at the front end, or may be located in a touch setting, or may be The adjustment is performed during use, and the enlarged display is an operation process performed by the terminal device according to the instruction of the first touch screen operation. The method provided by the embodiment of the present invention determines the approximate operation range of the first touch screen operation according to the specific position of the first touch screen operation on the touch screen when the first touch screen operation is detected, according to the approximate operation range, The partial display of the elements included in the operation range enables the terminal device to input according to the soft keyboard, and the accurate selection of the elements can be realized without the need for accurate selection in the original soft keyboard, thereby improving the accuracy of the input. rate. 2 is a schematic diagram of a soft keyboard provided by an embodiment of the present invention. The embodiment of the present invention is described by taking only a soft keyboard including an alphabet display area, a symbol thumbnail display area, a digital thumbnail display area, and an input box, wherein the letter display area includes 26 letter keys; the symbol thumbnail display area A symbol thumbnail key is included; the digital thumbnail display area includes a numeric thumbnail key. As shown in FIG. 2, the letter display area can be the same as the existing letter display area, and 26 letter keys are displayed in the letter display area. The symbol thumbnail display area can be displayed in the form of a symbol thumbnail button, and one or more symbols such as "+", "-" or "!" can be displayed on the symbol thumbnail button. The digital thumbnail display area can also be displayed in the form of a numeric thumbnail key on which one or more numbers, such as "1", "2", "3", are displayed. In addition, the display screen can also display function keys for input, such as the space bar or the delete key "Del".

The touch screen-based input method provided by the embodiment of the present invention is further described by taking the soft keyboard provided in FIG. 2 as an example. FIG. 3 is a flowchart of a touch screen based input method according to an embodiment of the present invention. The execution body of this embodiment is a terminal device. Referring to FIG. 3, the method includes:

301. The terminal device displays a soft keyboard, where the soft keyboard includes a first number of elements;

In the embodiment of the present invention, when the user opens the input interface in the terminal device, the soft keyboard is displayed.

302. Determine, according to the contact point coordinates of the first touch screen operation and the coordinates of the first number of elements, an element that matches a coordinate of the contact point of the first touch screen operation according to a preset rule as the contact point. The second number of elements associated with the coordinates;

According to the contact point coordinates of the first touch screen operation and the coordinates of the first number of elements, it may be determined that when the contact point coordinates of the first touch screen operation are in the first coordinate range, the first touch screen operation is located in the letter display area. Determining, when the contact point coordinate of the first touch screen operation is in the second coordinate range, the first touch The screen operation is located at the symbol thumbnail button, and the first touch screen operation is located at the digital thumbnail button when the contact point coordinates of the first touch screen operation are in the third coordinate range.

In this step 302, only the contact point when the first touch screen operation is located in the letter display area is taken as an example. Referring to FIG. 6, taking the first touch screen operation in the left figure of FIG. 6 as an example, the first touch The contact point coordinates of the screen operation are located in the area marked by the circle, and according to the coordinates of the first number of elements, that is, the letter display area, the symbol thumbnail key, and the numeric thumbnail key, it can be determined that the area marked by the circle is located in the letter display area.

Specifically, when the contact point of the first touch screen operation is located in the letter display area, the step 302 includes any one of the following (1) or (2):

(1) when the contact point of the first touch screen operation is located in the letter display area, according to the distance between the contact point coordinates and the center coordinate of the area where each letter key in the letter display area is located, according to the distance from the smallest to the largest And obtaining a second number of letter keys, and determining the second number of letter keys as the second number of elements. The (1) determines the second number of letter keys that are closer to the contact point coordinates by comparing the distance between the contact point coordinates and the respective letter keys, and blurs the first touch screen. Operation, can determine a number of elements for the user to further select.

(2) when the contact point of the first touch screen operation is located in the letter display area, determining the distance from the coordinate of the contact point according to the distance between the coordinates of the contact point and the center coordinate of the area where each letter key is located in the letter display area The smallest letter key determines a second number of letter keys associated with the letter key having the smallest distance, including the letter key having the smallest distance, as the second number of elements. The (2) determines a letter key with the smallest distance by comparing the distance between the contact point coordinates and each letter key, and then obtains the letter key associated with the minimum letter key of the distance, wherein the association means having the determined correspondence For example, for the letter key a, it is associated with the b, c, d, and the like, and the association is adjusted by the system preset or the user, which is not specifically limited in the embodiment of the present invention. Through the acquisition process, the first touch screen operation is blurred, and a plurality of elements can be determined for further selection by the user.

303. The second number of elements are displayed in an enlarged manner, where the first number is greater than the second number; specifically, according to a relationship between a contact point coordinate of the first touch screen operation and each area in the soft keyboard, When displaying elements, there are any possible cases of 303a to 303c:

303a: when the first touch screen operation is located in the symbol thumbnail button, zoom in and display the symbol key and the delete key associated with the symbol thumbnail button;

Specifically, when the contact point is located at the symbol thumbnail button, the enlarged portion of the symbol may be "-", "!""*", and ":", as shown in the right figure of FIG. 4, which is enlarged. ―", "!""*" and ":" and delete key "Del". In the right diagram of FIG. 4, the function key page up key "i _Next " and the confirmation key 'ΌΚ" are also enlarged. It should be noted that, when zoomed in, the symbols other than the above symbols can be enlarged and displayed, and The function buttons of the other function buttons may not be displayed in an enlarged manner, and the function buttons other than the function buttons may be enlarged and displayed, which is not limited in the embodiment of the present invention.

303b: when the first touch screen operation is located at the digital thumbnail key, zoom in and display a numeric key and a delete key associated with the digital thumbnail key;

It should be noted that the numeric keys associated with the digital thumbnail keys may be all numeric keys or partial numeric keys.

Specifically, when the contact point coordinates are located in the numeric abbreviated keys, the numbers are "1", "2", "3", "4", "5", "6", "7", "8", "9", and "0". All the numbers or part of the numbers are shown in the right figure of Figure 5. The enlarged display of T "2""3""4""5""6""7""8""9""0" and delete Key "Del". In the right diagram of FIG. 5, other function button confirmation keys 'ΌΚ' are also enlarged and displayed. It should be noted that other function buttons may not be enlarged or displayed, and other function buttons other than the above function buttons may be enlarged, such as The page turning key "i _Next " and the like are not limited in the embodiment of the present invention.

303c: when the first touch screen operation is located in the letter display area, zoom in and display an alphabet key and a delete key associated with the contact point coordinates of the first touch screen operation;

Specifically, when the contact point of the first touch screen operation is located in the letter display area, the terminal device acquires the first point according to the coordinates of the contact point of the first touch screen operation and the coordinates of the square center of each letter in the letter display area. The contact point coordinates of a touch screen operation and the square of each letter in the letter display area a distance between the central coordinates, in the order of the distance from small to large, obtaining a second number of letter keys, the second number of letter keys being used as a letter key associated with the coordinates of the contact point of the first touch screen operation; or Determining, according to the distance, a letter key having a smallest distance from the coordinate of the contact point, and using a second number of letter keys including the letter key having the smallest distance and the letter key having the smallest distance as the first touch The letter key associated with the contact point coordinates of the screen operation magnifies the letter key and the delete key associated with the coordinates of the contact point of the first touch screen operation.

In the embodiment of the present invention, the letter display area includes a plurality of letters, and each of the squares of the letters has corresponding coordinates. When the first touch screen operation occurs, the coordinates of the contact points of the first touch screen operation are determined to be located in the letter display. The area is calculated according to the contact point coordinates of the first touch screen operation and the corresponding coordinates of the center of the square where each letter is located, to obtain the contact point coordinates of the first touch screen operation and the square of each letter in the letter display area. The distance between the corresponding coordinates of the center.

Based on the example of FIG. 6 , the preset number is 7 as an example. According to the order of the distance from small to large, it can be known that the 7 letters closest to the contact point coordinates are “q”, “w”, "e", "r", "a", "s", and "d", or, if the letter key with the smallest coordinate distance from the contact point is "e", the letter centered on V is displayed in the area The seven letter keys are "q", "w", V, "r", "a", "s", and "d". The obtained 7 letter and delete key are separately enlarged and displayed.

In the embodiment of the present invention, the enlarged display of the second number of elements may be displayed on the interface currently used for displaying the soft keyboard, and the designated area may be a part of the soft keyboard, or may be The area that does not overlap with the soft keyboard, in addition, the enlarged display of the second number of elements can also be switched to a separate display interface for enlarged display.

Further, in addition to the delete key, the specified display element may be included in the enlarged display, such as the function key case lock key "Caps", the confirmation key "OK", or the page turning key "i _Next ".

Based on the example of Fig. 6, the seven letters closest to the contact point are "q", "w", "e", "r", "a", "s", and "d", as shown in the figure. In the right picture of Figure 6, the zoom in shows q", "w", "e", "r", "a", "s", "d" and the delete key "Del". In the right image of Figure 6. , also zoomed in on the function key case lock key "Caps", the confirmation key 'ΌΚ". It should be noted that other function buttons may not be used. For the enlarged display, the function keys other than the above-mentioned function buttons, such as the page turning key "Ne _Xt ", etc., may be enlarged, which is not limited in the embodiment of the present invention.

304. When detecting the second touch screen operation, displaying an element corresponding to the second touch screen operation in the input box, the second touch screen operation being a second number of elements associated with the contact point coordinates Touch screen operation.

The second touch screen operation may be a touch screen operation on an element, such as detecting a touch screen operation on an element in the element display area, and inputting an element of the second touch screen operation indication in the input box.

For example, if the letter " _e " is selected in the letter display area, the element "e" of the second touch screen operation indication is input in the input box, as shown in the right figure of FIG.

In addition, the second touch screen operation may be a touch screen operation on at least one element, that is, detecting a touch screen operation on one or a few elements of the second number of elements and a touch screen operation on the confirmation button, such as , select the letters "q,," "s", "r" in the second number of elements, and then click the "OK" button, enter "q", "s" in the input box as shown in Figure 6. , "r".

305. Switch back to the soft keyboard.

Optionally, when the third touch screen operation is detected, switching back to the soft keyboard. The third touch screen operation refers to a click operation on the preset function button. The preset function button can be the confirmation key 'ΌΚ' in the second number of elements currently displayed in the enlarged view.

The method provided by the embodiment of the present invention determines the approximate operation range of the first touch screen operation according to the specific position of the first touch screen operation on the touch screen when the first touch screen operation is detected, according to the approximate operation range, The partial display of the elements included in the operation range enables the terminal device to input according to the soft keyboard, and the accurate selection of the elements can be realized without the need for accurate selection in the original soft keyboard, thereby improving the accuracy of the input. rate. Further, by providing the letter display area, the symbol thumbnail display area, and the digital thumbnail display area in the same display interface, it is possible to reduce the switching of the letter display area, the symbol display area, and the digital display area by using the switch character. The operation is cumbersome, and the input of different elements can be realized on the same display interface. Referring to FIG. 7, an embodiment of the present invention provides a touch screen-based input device, which includes: a display control module 701 and a detection control module 702. The display control module 701 is configured to control the touch screen display soft keyboard, the soft keyboard includes a first number of elements; the display control module 701 is connected to the detection control module 702, and the detection control module 702 is configured to control the touch screen. Detecting a first touch screen operation, and transmitting an operation instruction of the first touch screen operation to the display control module; the display control module 701 is further configured to control, according to the operation instruction, the touch screen to display a second display associated with the operation instruction a number of elements, the first touch screen operation being a touch screen operation of the soft keyboard; wherein the first number is greater than the second number.

Preferably, the display control module 701 is further configured to control, according to the contact point coordinates of the first touch screen operation, the touch screen to display a second number of elements associated with the contact point coordinates.

Preferably, the device further comprises:

The element determining module 703 is configured to determine, according to the contact point coordinates of the first touch screen operation and the coordinates of the first number of elements, an element whose distance from the contact point coordinate of the first touch screen operation conforms to a preset rule As the second number of elements associated with the contact point coordinates.

Preferably, the soft keyboard comprises: an alphabet display area, a symbol thumbnail display area, a digital thumbnail display area, and an input box, wherein the letter display area includes 26 letter keys; the symbol thumbnail display area includes symbol shortening Key; the digital thumbnail display area includes a numeric thumbnail key.

Preferably, the display control module 701 is further configured to: when the first touch screen operation is located at the symbol thumbnail button, enlarge the symbol key and the delete key associated with the symbol thumbnail button; or, when the first When the touch screen operation is located at the digital thumbnail key, the numeric key and the delete key associated with the digital thumbnail key are enlargedly displayed; or, when the first touch screen operation is located in the letter display area, the enlarged display and the first touch The letter key and delete key associated with the contact point coordinates of the screen operation.

Preferably, the element determining module 703 further includes:

The letter obtaining unit 7031 is configured to: when the contact point of the first touch screen operation is located in the letter display area, according to the distance between the contact point coordinates and the center coordinate of the area where each letter key in the letter display area is located, according to the distance from the small distance In a large order, obtain a second number of letter keys, the second number The letter key is determined as the second number of elements; or,

The letter determining unit 7032 is configured to determine, when the contact point of the first touch screen operation is located in the letter display area, the contact with the center coordinate of the area where each letter key is located in the letter display area. The letter key having the smallest distance of the point coordinates determines the second number of letter keys including the letter key having the smallest distance and the letter key having the smallest distance as the second number of elements.

In summary, the apparatus provided by the embodiment of the present invention determines the approximate operating range of the first touch screen operation according to the specific position of the first touch screen operation on the touch screen when the first touch screen operation is detected, according to Approximate operation range, only partial display of the elements included in the operation range, so that the terminal device can input according to the soft keyboard, and the selection and input of elements can be realized without performing accurate selection in the original soft keyboard. Improve the accuracy of the input. Further, by providing the letter display area, the symbol thumbnail display area, and the digital thumbnail display area in the same display interface, it is possible to reduce the switching of the letter display area, the symbol display area, and the digital display area by using the switch character. The operation is cumbersome, and the input of different elements can be realized on the same display interface.

It should be noted that, when the touch screen-based input device provided by the foregoing embodiment is based on the input method of the touch screen, only the division of the above functional modules is illustrated. In practical applications, the functions may be assigned differently according to needs. The function module is completed, that is, the internal structure of the terminal device is divided into different functional modules to complete all or part of the functions described above. In addition, the touch screen-based input device provided by the foregoing embodiment is the same as the touch screen-based input method embodiment, and the specific implementation process is described in detail in the method embodiment, and details are not described herein again. Referring to FIG. 8, an embodiment of the present invention provides a terminal device, where the terminal device includes: a display 801 and a processor 802. The display 801 is configured to control a touch screen display soft keyboard, the soft keyboard includes a first number of elements; the display 801 is coupled to the processor 802, and the processor 802 is configured to control the touch screen to detect the first touch screen operation. Sending an operation instruction of the first touch screen operation to the display a control module; the display 801 is further configured to control the touch screen to display a second number of elements associated with the operation instruction according to the operation instruction, where the first touch screen operation is a touch screen operation on the soft keyboard; The first number is greater than the second number.

Preferably, the display 801 is further configured to control the touch screen to display a second number of elements associated with the contact point coordinates according to the contact point coordinates of the first touch screen operation.

Preferably, the processor 802 is further configured to determine, according to the contact point coordinates of the first touch screen operation and the coordinates of the first number of elements, a distance between the coordinates of the contact point of the first touch screen operation. The element of the preset rule is the second number of elements associated with the contact point coordinates.

Preferably, the display 801 is further configured to: when the first touch screen operation is located at the symbol thumbnail button, enlarge the symbol key and the delete key associated with the symbol thumbnail button; or, when the first touch screen When the operation is located in the digital thumbnail key, the numeric key and the delete key associated with the digital thumbnail key are enlargedly displayed; or, when the first touch screen operation is located in the letter display area, the enlarged display and the first touch screen operation The contact point coordinates are associated with the letter key and the delete key.

Preferably, the processor 802 is further configured to: when the contact point of the first touch screen operation is located in the letter display area, according to the distance between the contact point coordinates and the center coordinate of the area where each letter key in the letter display area is located, Obtaining a second number of letter keys according to the distance from the smallest to the largest, determining the second number of letter keys as the second number of elements; or, the processor 802 is further configured to use the first touch screen When the contact point of the operation is located in the letter display area, according to the distance between the coordinate of the contact point and the center coordinate of the area where each letter key in the letter display area is located, the letter key having the smallest distance from the coordinate of the contact point is determined, and the distance including the distance is minimized. The second number of letter keys associated with the letter key and associated with the smallest letter key are determined as the second number of elements. One of ordinary skill in the art will appreciate that all or part of the steps to implement the above embodiments may be The hardware can be completed, and the related hardware can also be instructed by a program. The program can be stored in a computer readable storage medium. The storage medium mentioned above can be a read only memory, a magnetic disk or an optical disk.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., which are within the spirit and scope of the present invention, should be included in the scope of the present invention. within.

Claims

claims

1. An input method based on a touch screen, characterized in that the method includes:

display a soft keyboard, the soft keyboard including a first number of elements;

When a first touch screen operation is detected, a second number of elements associated with the operation instruction are enlarged and displayed according to the instruction of the first touch screen operation, and the first touch screen operation is to modify the soft keyboard. touch screen operation;

Wherein, the first number is greater than the second number.

2. The method according to claim 1, characterized in that, according to the instruction of the first touch screen operation, enlarging and displaying a second number of elements associated with the operation instruction includes:

According to the contact point coordinates of the first touch screen operation, a second number of elements associated with the contact point coordinates are enlarged and displayed.

3. The method according to claim 2, wherein, according to the contact point coordinates of the first touch screen operation, enlarging and displaying a second number of elements associated with the contact point coordinates includes: The coordinates of the contact point of the first touch screen operation and the coordinates of the first number of elements are determined, and the elements whose distances from the contact point coordinates of the first touch screen operation meet the preset rules are determined as the elements with the contact point. coordinates associated with said second number of elements;

The second number of elements are displayed enlarged.

4. The method according to any one of claims 1 to 3, characterized in that the soft keyboard includes: a letter display area, a symbol thumbnail display area, a number thumbnail display area and an input box, wherein the letters The display area includes 26 letter keys; the symbol abbreviation display area includes symbol abbreviation keys; and the numeric abbreviation display area includes numeric abbreviation keys.

5. The method according to claim 2, characterized in that: according to the first touch screen operation The coordinates of the contact point, and the magnified display of the second number of elements associated with the coordinates of the contact point includes: when the first touch screen operation is located on the symbol abbreviation key, the magnified display associated with the symbol abbreviation key symbol key and delete key; or,

When the first touch screen operation is on the numeric abbreviation key, the numeric key and delete key associated with the numeric abbreviation key are enlarged and displayed; or,

When the first touch screen operation is located in the letter display area, the letter key and the delete key associated with the contact point coordinates of the first touch screen operation are enlarged and displayed.

6. The method according to claim 3, characterized in that, the contact point coordinates of the first touch screen operation and the coordinates of the first number of elements are determined according to the coordinates of the contact point of the first touch screen operation. Elements whose distances between contact point coordinates comply with preset rules include as the second number of elements associated with the contact point coordinates:

When the contact point of the first touch screen operation is located in the letter display area, according to the distance between the coordinates of the contact point and the center coordinates of the area where each letter key in the letter display area is located, the distance is from small to large. In the order of obtaining the second number of letter keys, determine the second number of letter keys as the second number of elements; or,

When the contact point of the first touch screen operation is located in the letter display area, the coordinates of the contact point are determined based on the distance between the coordinates of the contact point and the center coordinates of the area where each letter key in the letter display area is located. The letter keys with the smallest distance, a second number of letter keys including the letter keys with the smallest distance and associated with the letter keys with the smallest distance are determined as the second number of elements.

7. An input device based on a touch screen, characterized in that the device includes:

A display control module configured to control the touch screen to display a soft keyboard, where the soft keyboard includes a first number of elements;

Detection control module, used to control the touch screen to detect a first touch screen operation, and send the first touch screen Provide operating instructions for screen operations to the display control module;

The display control module is also configured to control the touch screen to enlarge and display a second number of elements associated with the operation instruction according to the operation instruction, where the first touch screen operation is for the soft keyboard, The first number is greater than the second number.

8. The device according to claim 7, wherein the display control module is further configured to control the touch screen enlarged display in association with the contact point coordinates according to the contact point coordinates of the first touch screen operation. the second number of elements.

9. The device according to claim 8, characterized in that, the device further includes:

An element determination module, configured to determine, based on the coordinates of the contact point of the first touch screen operation and the coordinates of the first number of elements, that the distance from the coordinates of the contact point of the first touch screen operation complies with the preset rules. of elements as the second number of elements associated with the contact point coordinates.

10. The device according to any one of claims 7 to 9, characterized in that the soft keyboard includes: a letter display area, a symbol thumbnail display area, a number thumbnail display area and an input box, wherein the letters The display area includes 26 letter keys; the symbol abbreviation display area includes symbol abbreviation keys; and the numeric abbreviation display area includes numeric abbreviation keys.

11. The device according to claim 8, wherein the display control module is further configured to: when the first touch screen operation is located on the symbol abbreviation key, enlarge the display and the symbol abbreviation key associated symbol key and delete key; or,

When the first touch screen operation is located in the letter display area, the enlarged display and the first touch screen The letter key and delete key associated with the contact point coordinates of the operation.

12. The device according to claim 9, wherein the element determination module further includes: a letter acquisition unit, configured to: when the contact point of the first touch screen operation is located in the letter display area, according to the contact The distance between the point coordinates and the center coordinates of the area where each letter key is located in the letter display area, according to the order of the distance from small to large, obtains the second number of letter keys, and determines the second number of letter keys as the a second number of elements; or,

A letter determination unit, configured to determine, when the contact point of the first touch screen operation is located in the letter display area, the distance between the coordinates of the contact point and the center coordinates of the area where each letter key in the letter display area is located. The letter key with the smallest distance between the coordinates of the contact point is determined as the second number of elements including the letter key with the smallest distance and the second number of letter keys associated with the letter key with the smallest distance. .