WO2018045854A1 - 一种调节移动终端界面字体大小的方法及系统 - Google Patents

一种调节移动终端界面字体大小的方法及系统 Download PDF

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Publication number
WO2018045854A1
WO2018045854A1 PCT/CN2017/096752 CN2017096752W WO2018045854A1 WO 2018045854 A1 WO2018045854 A1 WO 2018045854A1 CN 2017096752 W CN2017096752 W CN 2017096752W WO 2018045854 A1 WO2018045854 A1 WO 2018045854A1
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Prior art keywords
mobile terminal
pressing operation
trend
area
font
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PCT/CN2017/096752
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English (en)
French (fr)
Inventor
侯世华
胡宇霞
李丹双
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捷开通讯(深圳)有限公司
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Publication of WO2018045854A1 publication Critical patent/WO2018045854A1/zh

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Classifications

    • 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]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • 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
    • G06F3/04883—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 for inputting data by handwriting, e.g. gesture or text
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/451—Execution arrangements for user interfaces
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/048—Indexing scheme relating to G06F3/048
    • G06F2203/04808—Several contacts: gestures triggering a specific function, e.g. scrolling, zooming, right-click, when the user establishes several contacts with the surface simultaneously; e.g. using several fingers or a combination of fingers and pen

Definitions

  • the present invention relates to the field of mobile terminals, and in particular, to a method and system for adjusting a font size of a mobile terminal interface.
  • the interface font of the mobile terminal is basically unchanged, and the user often needs to adjust the size of the font according to the interface and the content of the browsing.
  • the traditional way is to enter the system setting menu. Under the Display menu, select the Font Size option to make adjustments. This mode of operation requires the user to leave the current page. After entering the specified menu and adjusting the font, the user needs to return to the previously used interface, which is very inconvenient.
  • traditional font adjustment users can only choose the pre-made font size provided by the system such as: large, medium, Small, extra large.
  • the embodiment of the invention provides a method and a system for adjusting the font size of a mobile terminal interface, which can improve the flexibility and convenience of adjusting the font size of the interface of the mobile terminal.
  • an embodiment of the present invention provides a method for adjusting a font size of a mobile terminal interface, where the method includes the following steps:
  • the mobile terminal receives a pressing operation instruction of the user's multiple fingers on the touch screen;
  • the font under the current interface of the touch screen is controlled to increase, and if the change trend is a zoom-out trend, the font under the current interface of the touch screen is controlled to decrease.
  • the method further includes:
  • the number of the pressing operation contacts is three or more.
  • the step B specifically includes:
  • the area of each of the pressing operation contact forming regions is periodically acquired, and then the changing trend of each pressing operation contact is made according to the current state and the next state.
  • an embodiment of the present invention provides a system for adjusting a font size of a mobile terminal interface, including:
  • One or more processors are One or more processors;
  • One or more applications wherein the one or more applications are stored in the memory and configured to be executed by the processor;
  • An instruction receiving module configured to receive a pressing operation instruction of the user's multiple fingers on the touch screen
  • a trend acquisition module configured to acquire a change trend of a corresponding pressing operation contact by pressing an operation instruction
  • the judgment control module is configured to determine a change trend of the pressing operation contact, and if the change trend is determined to be an enlargement trend, control the font under the current interface of the touch screen to increase, and if the change trend is a reduction trend, control the touch screen current interface.
  • the font below is reduced.
  • the lock screen detection module is configured to detect whether the mobile terminal is in a lock screen state, and if the mobile terminal is detected to be in a lock screen state, the process ends, otherwise the trend acquisition module is triggered.
  • the trend acquisition module includes:
  • the contact determination unit is configured to determine whether the number of contacts for pressing operation is three or more.
  • the trend acquisition module also includes:
  • a first area acquiring unit configured to acquire an area of each pressing operation contact forming area in the current state
  • a second area acquiring unit configured to acquire an area of each pressing operation contact forming region in the next state
  • a trend acquisition unit configured to obtain a change trend of the pressing operation contact according to the change trend of the area.
  • the trend acquisition module also includes:
  • the time control unit is configured to control the mobile terminal to periodically acquire an area of each of the pressing operation contact forming regions.
  • an embodiment of the present invention provides a system for adjusting a font size of a mobile terminal interface, where
  • One or more processors are One or more processors;
  • One or more applications wherein the one or more applications are stored in the memory and configured to perform the steps by the processor:
  • the mobile terminal receives a pressing operation instruction of the user's multiple fingers on the touch screen;
  • the font under the current interface of the touch screen is controlled to increase, and if the change trend is a zoom-out trend, the font under the current interface of the touch screen is controlled to decrease.
  • the system for adjusting a font size of a mobile terminal interface wherein after the step A, the processor is further configured to:
  • the system for adjusting a font size of a mobile terminal interface wherein in the step B, the processor is further configured to:
  • the system for adjusting a font size of a mobile terminal interface wherein the processor is further configured to: periodically acquire an area of each pressing operation contact forming region, and then press each of the pressing operation contacts according to the current state and the next state; Trend.
  • the font size of the mobile terminal interface can be quickly adjusted by pressing and zooming on the screen by multiple fingers, and the user needs to enter the designated menu when adjusting the font of the mobile terminal interface in the prior art. After the font is adjusted, it needs to be returned again.
  • the steps are cumbersome and inconvenient and the adjustment is limited to the font size set by the system, which can improve the flexibility and convenience of the font size adjustment of the mobile terminal interface.
  • FIG. 1 is a flowchart of a preferred embodiment of a method for adjusting a font size of a mobile terminal interface according to an embodiment of the present invention.
  • FIGS. 2 to 5 are diagrams showing specific embodiments of various contact changes in a method for adjusting a font size of a mobile terminal interface according to an embodiment of the present invention.
  • FIG. 6 is a functional block diagram of a system for adjusting a font size of a mobile terminal interface according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a system for adjusting a font size of a mobile terminal interface according to an embodiment of the present invention.
  • the present invention provides a method and system for adjusting the font size of a mobile terminal interface.
  • the present invention will be further described in detail below. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • a method for adjusting the font size of a mobile terminal interface includes the following steps:
  • the mobile terminal receives a pressing operation instruction of the user's multiple fingers on the touch screen;
  • the embodiment of the invention firstly receives the pressing operation instruction of the user's multiple fingers on the touch screen, and then analyzes the change trend of the pressing operation contact by pressing the operation instruction, and further adjusts the size of the current interface font quickly and flexibly according to the contact change trend. There is no need for other cumbersome setup steps, which brings convenience to the user, and the human-computer interaction is very good.
  • step S1 the touch screen of the mobile terminal senses the pressing of the touch screen by the plurality of fingers of the user, and receives the pressing operation command, thereby acquiring a plurality of pressing operation contacts, thereby performing acquisition of the change trend of the contact operation of the next pressing operation.
  • a lock screen state detecting step is further provided.
  • the touch screen of the mobile terminal is lit and the mobile terminal screen receives the pressing instruction of the plurality of fingers of the user, the lock screen state of the touch screen is detected, if not in the lock screen
  • the state indicates that the mobile terminal is in a normal use state, the pressing operation is a normal pressing operation of the user, the user wants the mobile terminal to perform a corresponding font adjustment operation, and the mobile terminal responds to the next step S2; and if the mobile terminal senses and receives After the user presses the command of multiple fingers to detect that the screen is in the lock screen state, it indicates that the mobile terminal is not in the normal working state, and the pressing operation is likely caused by the user's unintentional operation, and the pressing instruction is issued by the user by mistake, and at this time, the mobile The terminal performs the process of ending the process, and adds a screen lock screen state detecting step, so that the mobile terminal performs the wrong, non-user subjective font adjustment due to the user'
  • step S2 the mobile terminal acquires a change trend of the corresponding pressing operation contact (hereinafter referred to as a contact) by the pressing operation instruction, and the adjustment of the font size change in the embodiment of the present invention corresponds to the change trend of the contact,
  • a contact a change trend of the corresponding pressing operation contact
  • the mobile terminal acquires the changing trend of the corresponding pressing operation contact by the pressing operation instruction, that is, reading
  • the purpose and idea of the user can further adjust the interface font according to the needs of the user to meet the needs of the user.
  • the number of pressing operation contacts is first determined.
  • the contact change trend is performed based on three or more contacts, and the pressing operation contact is performed.
  • the acquisition operation of the change trend first needs to satisfy the number of contacts of 3 and more. If the number of contacts is 1 or 2, the acquisition operation of the contact change trend is not performed; if the number of pressing operation contacts is When three or more are used, the change trend acquisition operation of the normal pressing operation contact is performed. That is to say, during the pressing process, the user can increase or decrease the number of contacts, and the judgment of the subsequent change trend is not affected here, as long as the number of contacts is satisfied to be greater than or equal to three, because the user is in the process of operation.
  • the number of contacts may be adjusted for various reasons, but it will not affect the subsequent font adjustment function, which obviously brings a lot of convenience to the user.
  • the change trend acquisition operation is continued; if the touch is pressed after the change.
  • the number of points is one or two, it means that the user abandons the adjustment of the font operation and ends the change trend acquisition operation, and ends the process.
  • the user may encounter a screen or space position limitation, and the user cannot continue to operate with the number of fingers that have performed the stretching operation, and the user does not want to give up the operation, and may dynamically
  • the adjustment reduces the finger pressing the screen, and continues the zooming action by the finger that continues to press on the screen. Accordingly, the mobile terminal also continues to acquire the trend of the change of the contact and adjusts the current interface font size to the degree of user satisfaction.
  • the number of pressing operation contacts may change during the process of acquiring the change trend of the contact, as long as the number of contacts after the change is still 3 or more, continue
  • the contact change trend acquisition operation is performed to adjust the size of the current interface font of the mobile terminal.
  • step S2 includes the following steps:
  • the pressing operation command is received by the mobile terminal by the user's multiple finger pressing screens, and the plurality of contacts corresponding to the plurality of fingers form a specific area, and the mobile terminal calculates the area (ie, the specific area) Area and get the area P1.
  • the area of the area formed by the plurality of contacts corresponding to the plurality of fingers also changes correspondingly, and the mobile terminal calculates the area of the area and acquires the area P2.
  • the change tendency of the pressing operation contact is obtained by the area of the state-constituting area before and after the contact change, and the current state contact is obtained as described in steps S21 and S22 to form the specific area of the area P1 and the area of the next state contact formation area is P2.
  • the timing (which can be designed as 0.2 s) is used to obtain the area of each pressing operation contact forming region, and then the contact change is obtained according to the current state and the area of each pressing operation contact forming region in the next state.
  • the trend that is, the area of each pressing operation contact forming region in the current state is obtained every other same time (can be designed to be 0.2 s), and then the area change of the contact forming area of each pressing operation before and after 0.2 s can be ideally obtained.
  • the acquisition of the area of each pressing operation contact forming region in the embodiment of the present invention may also be set as dynamic acquisition, that is, the contact area is changed while acquiring the area of each contact forming area, and the dynamic acquisition can instantly acquire the contact change trend. Thereby adjusting the interface font size.
  • step S3 the mobile terminal corresponds to the adjustment interface font size according to the obtained change trend of the pressing operation contact point. If the change trend is an enlargement trend, the font under the current interface of the touch screen is controlled to increase, if the change trend is When the trend is reduced, the font size under the current interface of the touch screen is controlled to decrease.
  • the contact constitutes the area P2
  • the font size corresponding to the calculation formula is:
  • New Font Scale Old Font Scale + (P2-P1)/P1*2
  • New Font Scale represents the size of the font in the next state, which is the size that the adjusted interface font needs to reach.
  • the gesture of increasing the response area is stopped, that is, when the maximum font is reached, the area is increased and the user's operation is not responded.
  • System minimum Font scale 0.85, when the minimum font is reached, the gesture of reducing the area reduction is stopped, that is, when the minimum font is reached, the area is reduced and the user's operation is not responded.
  • the step precision of the font is controlled to 0.05 ⁇ 0.2, for example, preferably 0.1, the step is too large, the adjustment is not fine enough, and the user's requirement for font size adjustment is not well satisfied; and the stepping is too small, which is easy to cause multiple adjustments, and it is easy to form a feeling of adjustment delay. On the contrary, it brings inconvenience to users.
  • P1 is the area of the triangle formed by the initial gesture three-finger contact
  • P2 is the new triangle area composed of three contacts for the next sampling point.
  • P1 is the quadrilateral area composed of the four-finger contact of the initial gesture
  • P2 is the new quadrilateral area composed of four contacts for the next sampling point.
  • P1 is the area of the triangle formed by the initial gesture three-finger contact
  • P2 is the new quadrilateral area composed of four contacts for the next sampling point.
  • P1 is the quadrilateral area composed of the four-finger contact of the initial gesture
  • P2 is the area of the triangle composed of the three contacts of the next sampling point.
  • the system adjusts the current interface font according to the contact change, if the current contact state is maintained for a period of time (can be designed as 1 s), it is confirmed that the adjusted interface font size has reached the user's demand and can be saved. Adjustment processing.
  • a method for adjusting a current interface font size of a mobile terminal can achieve flexible adjustment of the interface size.
  • the font is then enlarged to achieve an increase in the font of the main screen interface of the mobile phone.
  • the user expands the font by 4 fingers or 5 fingers to enlarge and adjust the font of the mobile phone short message interface.
  • the method of the embodiment of the present invention is not applicable to the adjustment of the font size on the picture.
  • the font size of the mobile terminal interface can be quickly adjusted by pressing and zooming on the screen by multiple fingers, and the user needs to enter the designated menu when adjusting the font of the mobile terminal interface in the prior art. After the font is adjusted, you need to go back again. The steps are cumbersome and inconvenient and the adjustment is limited to the font size set by the system.
  • FIG. 6 is a functional block diagram of a system for adjusting a font size of a mobile terminal interface according to an embodiment of the present invention. As shown in 6, it includes:
  • the instruction receiving module 100 is configured to receive a pressing operation instruction of the user's multiple fingers on the touch screen;
  • the trend obtaining module 200 is configured to acquire a change trend of the corresponding pressing operation contact by pressing the operation instruction;
  • the judgment control module 300 is configured to determine a change trend of the pressing operation contact, and if the change trend is determined to be an enlargement trend, control the font under the current interface of the touch screen to increase, and if the change trend is a reduction trend, control the current touch screen The font size under the interface is reduced;
  • the lock screen detection module 400 is configured to detect whether the mobile terminal is in a lock screen state, and if the mobile terminal is detected to be in a lock screen state, the process ends, otherwise the trend acquisition module is triggered.
  • the trend acquisition module includes:
  • the contact judging unit is configured to determine whether the number of contacts of the pressing operation is three or more, and triggers the trend acquiring module.
  • the trend acquisition module also includes:
  • a first area acquiring unit configured to acquire an area of each pressing operation contact forming area in the current state
  • a second area acquiring unit configured to acquire an area of each pressing operation contact forming region in the next state
  • a trend acquisition unit configured to obtain a change trend of the pressing operation contact according to the change trend of the area.
  • the trend acquisition module also includes:
  • the time control unit is configured to control the mobile terminal to periodically acquire an area of each of the pressing operation contact forming regions.
  • the biggest difference between the embodiment of the present invention and the traditional method for adjusting fonts is that during the process of using the mobile terminal, the user can adjust the font size at any time according to actual needs.
  • the font size of the mobile terminal interface can be quickly adjusted by pressing and zooming on the screen by multiple fingers, and the user needs to enter the designated menu when adjusting the font of the mobile terminal interface in the prior art. After the font is adjusted, you need to go back again. The steps are cumbersome and inconvenient and the adjustment is limited to the font size set by the system.
  • the storage medium may include: a read only memory (ROM, Read) Only Memory), Random Access Memory (RAM), disk or CD.

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Abstract

一种调节移动终端界面字体大小的方法和系统，所述方法包括步骤：A、移动终端接收用户多个手指对触摸屏的按压操作指令；B、通过所述按压操作指令获取对应按压操作触点的变化趋势；C、若所述变化趋势为放大趋势，则控制触摸屏当前界面下的字体增大，若所述变化趋势为缩小趋势，则控制触摸屏当前界面下的字体减小。

Description

一种调节移动终端界面字体大小的方法及系统 技术领域
本发明涉及移动终端领域，尤其涉及一种调节移动终端界面字体大小的方法及系统。
 背景技术
移动终端的界面字体大体上是不变的，而用户根据界面的不同以及浏览内容的不同，往往需要调节字体的大小，当用户需要调整手机上字体大小时,传统方式是进入系统设置菜单,在显示菜单下，选择字体大小选项，来进行调整。这种操作方式要求用户离开当前页面, 进入到指定菜单, 调整完字体后, 用户需要重新返回之前使用的界面, 非常的不便捷。此外，传统的字体调节，用户只能选择系统所提供的预制的字体尺寸如： 大、 中、 小、 特大。
 技术问题
本发明实施例提供一种调节移动终端界面字体大小的方法及系统，可以提升移动终端界面字体大小调节的灵活性和便捷性。
 技术解决方案
第一方面，本发明实施例提供一种调节移动终端界面字体大小的方法，其中，包括步骤：
A、移动终端接收用户多个手指对触摸屏的按压操作指令；
B、通过所述按压操作指令获取对应按压操作触点的变化趋势；
C、若所述变化趋势为放大趋势，则控制触摸屏当前界面下的字体增大，若所述变化趋势为缩小趋势，则控制触摸屏当前界面下的字体减小。
所述步骤A之后还包括：
当移动终端触摸屏点亮时，检测移动终端是否处于锁屏状态，若处于锁屏状态，则结束流程，否则进入步骤B。
所述按压操作触点的数量为3个及3个以上。
所述步骤B具体包括：
B1、获取当前状态下各按压操作触点构成区域的面积；
B2、获取下一状态下各按压操作触点构成区域的面积；
B3、根据所述面积的变化趋势得到按压操作触点的变化趋势。
定时获取各按压操作触点构成区域的面积，然后根据当前状态与下一状态下各按压操作触点的变化趋势。
第二方面，本发明实施例提供一种调节移动终端界面字体大小的系统，其包括：
一个或多个处理器；
存储器；以及
一个或多个应用程序，其中所述一个或多个应用程序被存储于所述存储器中，并配置为由所述处理器执行；
指令接收模块，用于接收用户多个手指对触摸屏的按压操作指令；
趋势获取模块，用于通过按压操作指令获取对应按压操作触点的变化趋势
判断控制模块，用于判断按压操作触点的变化趋势，若所述变化趋势判断为放大趋势，则控制触摸屏当前界面下的字体增大，若所述变化趋势为缩小趋势，则控制触摸屏当前界面下的字体减小。
还包括：
锁屏检测模块，用于检测移动终端是否处于锁屏状态，若检测移动终端处于锁屏状态则结束流程，否则触发趋势获取模块。
所述趋势获取模块包括：
触点判断单元，用于判断按压操作的触点数量是否为3个及3个以上。
趋势获取模块还包括：
第一面积获取单元，用于获取当前状态下各按压操作触点构成区域的面积；
第二面积获取单元，用于获取下一状态下各按压操作触点构成区域的面积；
趋势获取单元，用于根据所述面积的变化趋势得到按压操作触点的变化趋势。
趋势获取模块还包括：
时间控制单元，用于控制移动终端定时获取各按压操作触点构成区域的面积。
第三方面，本发明实施例提供一种调节移动终端界面字体大小的系统，其中，包括：
一个或多个处理器；
存储器；以及
一个或多个应用程序，其中所述一个或多个应用程序被存储于所述存储器中，并配置为由所述处理器执行步骤：
A、移动终端接收用户多个手指对触摸屏的按压操作指令；
B、通过所述按压操作指令获取对应按压操作触点的变化趋势；
C、若所述变化趋势为放大趋势，则控制触摸屏当前界面下的字体增大，若所述变化趋势为缩小趋势，则控制触摸屏当前界面下的字体减小。
所述的调节移动终端界面字体大小的系统，其中，所述步骤A之后，所述处理器还用于执行：
当移动终端触摸屏点亮时，检测移动终端是否处于锁屏状态，若处于锁屏状态，则结束流程，否则进入步骤B。
所述的调节移动终端界面字体大小的系统，其中，所述按压操作触点的数量为3个及3个以上。
所述的调节移动终端界面字体大小的系统，其中，所述步骤B中，所述处理器还用于执行：
B1、获取当前状态下各按压操作触点构成区域的面积；
B2、获取下一状态下各按压操作触点构成区域的面积；
B3、根据所述面积的变化趋势得到按压操作触点的变化趋势。
所述的调节移动终端界面字体大小的系统，其中，所述处理器还用于执行：定时获取各按压操作触点构成区域的面积，然后根据当前状态与下一状态下各按压操作触点的变化趋势。
 有益效果
本发明实施例通过多个手指在屏幕上进行按压并进行缩放动作，能快速的调整移动终端界面字体大小，解决了现有技术中对移动终端界面字体调节时，用户需要进入到指定菜单, 调整完字体后需要重新返回, 步骤繁琐不便捷且调整只限于系统设定的字体尺寸的问题，可以提升移动终端界面字体大小调节的灵活性和便捷性。
 附图说明
图1为本发明实施例调节移动终端界面字体大小的方法较佳实施例的流程图。
图2~5为本发明实施例调节移动终端界面字体大小的方法中各种触点变化情况的具体实施例示图。
图6为本发明实施例调节移动终端界面字体大小的系统较佳实施例的功能模块图。
图7为本发明实施例提供的调节移动终端界面字体大小的系统的结构示意图。
 本发明的最佳实施方式
本发明提供一种调节移动终端界面字体大小的方法及系统，为使本发明的目的、技术方案及效果更加清楚、明确，以下对本发明进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
一种调节移动终端界面字体大小的方法，如图1所示，包括以下步骤：
S1、移动终端接收用户多个手指对触摸屏的按压操作指令；
S2、通过所述按压操作指令获取对应按压操作触点的变化趋势；
S3、若所述变化趋势为放大趋势，则控制触摸屏当前界面下的字体增大，若所述变化趋势为缩小趋势，则控制触摸屏当前界面下的字体减小。
本发明实施例是先接收用户多个手指对触摸屏的按压操作指令，然后通过按压操作指令分析得到按压操作触点的变化趋势，进一步根据触点变化趋势来快速灵活地调节当前界面字体的大小，而无需其他繁琐的设置步骤，给用户带来了方便，而且人机交互性很好。
具体来说，在步骤S1中，移动终端触摸屏感应用户多个手指对触摸屏的按压，接收按压操作指令，从而获取多个按压操作触点，进而进行下一步按压操作触点变化趋势的获取。
较优的，在步骤S1后还设置有一锁屏状态检测步骤，当移动终端触摸屏点亮且移动终端屏幕接收到用户多个手指的按压指令时，检测触摸屏的锁屏状态，如果不处于锁屏状态，表明移动终端处于正常使用状态，上述按压操作是用户的正常按压操作，用户希望移动终端进行相应字体调节操作，移动终端作出响应，进入到下一个步骤S2；而如果移动终端感应并接收到用户多个手指的按压指令后检测到屏幕处于锁屏状态，则表明移动终端不处于正常工作状态，按压操作很可能是用户无意操作所致，按压指令是用户误操作发出的，此时，移动终端作出结束流程的处理，增加一屏幕锁屏状态检测步骤，这样就很好地避免了移动终端因为用户的误操作而进行错误的、非用户主观的字体调节，保证了调节方法准确有效地进行。
在步骤S2中，移动终端通过所述按压操作指令获取对应按压操作触点（以下简称触点）的变化趋势，本发明实施例中字体大小变化的调节是与触点的变化趋势相对应的，要实现界面字体大小的调整，不仅需要有按压屏幕的操作，而且需满足按压操作触点有变化趋势，移动终端通过所述按压操作指令获取了对应按压操作触点的变化趋势，也即读取了用户的目的、想法，进一步才能按照用户的需求调节界面字体以满足用户的需要。
较优的，在步骤S2中，先对按压操作触点的数量进行判断，本发明实施例对于触点变化趋势是基于3个及3个以上的触点来进行的，要进行按压操作触点变化趋势的获取操作，首先得满足触点数量是3个及3个以上，如果触点数量为1个或者2个，则不进行触点变化趋势的获取操作；如果按压操作触点的数量为3个及3个以上，则进行正常的按压操作触点的变化趋势获取操作。也就是说，在按压过程中，用户可以增加或减少触点的数量，此处并不影响后续变化趋势的判断，只要满足触点数量满足大于或等于3个即可，因为用户在操作过程中可能会因为各种原因调整触点的数量，但也不会影响后续字体调节功能，这显然能给用户带来不少的方便。
例如，在触点变化趋势获取过程中，若按压操作的触点数量发生变化，如果变化后按压操作的触点数量仍大于3个，则继续进行变化趋势获取操作；如果变化后按压操作的触点数量为1个或者2个，则表明用户放弃本次调节字体操作，结束变化趋势获取操作，则结束流程。用户通过多个手指在屏幕上进行伸展的过程中，可能会遇到屏幕或者空间位置限制导致不能继续以已执行伸展操作的手指个数进行操作，而且用户又不想放弃本次操作，则可以动态的调节减少按压屏幕的手指，并由继续按压在屏幕上的手指继续进行缩放动作，相应的，移动终端也继续获取触点的变化趋势并调节当前界面字体大小至用户满意程度。
总的来说，本发明实施例中，在触点变化趋势获取的过程中，按压操作触点的数量可以发生变化，只要满足变化后的触点数量仍为3个及3个以上，则继续进行触点变化趋势获取操作，进而调节移动终端当前界面字体的大小。
为使得本发明实施例通过按压操作指令获取对应按压操作触点的变化趋势的方法更加清楚，下面给出了具体实施流程。
具体的，所述步骤S2包括以下步骤：
S21、获取当前状态下各按压操作触点构成区域的面积；
本发明实施例中，按压操作指令是移动终端通过用户的多个手指按压屏幕接收的，由多个手指对应的多个触点构成一特定区域，移动终端计算该区域（即前述特定区域）的面积并获取该面积P1。
S22、获取下一状态下各按压操作触点构成区域的面积；
在用户按压屏幕的手指缩放后，由多个手指对应的多个触点构成的区域面积也相应的发生了变化，移动终端计算该区域的面积并获取该面积P2。
S23、根据所述面积的变化趋势得到按压操作触点的变化趋势。
按压操作触点的变化趋势通过触点变化前后状态构成区域的面积获得，根据步骤S21、S22所述获得当前状态触点构成前述特定区域面积为P1以及下一状态触点构成区域面积为P2。
较优的，本发明实施例中定时（可以设计为0.2s）获取各按压操作触点构成区域的面积，然后根据当前状态与下一状态下各按压操作触点构成区域的面积获取触点变化趋势，也即每隔一相同时间（可以设计为0.2s）获取当前状态下各按压操作触点构成区域的面积，然后根据0.2s前后各按压操作触点构成区域的面积变化可以较为理想地获取触点变化趋势。
当然，本发明实施例中的各按压操作触点构成区域的面积的获取也可以设置为动态获取，也即触点变化的同时获取各触点构成区域面积，动态获取能够即时获取触点变化趋势从而调节界面字体大小。
在步骤S3中，移动终端根据获取到的按压操作触点的变化趋势对应调节界面字体大小，若所述变化趋势为放大趋势，则控制触摸屏当前界面下的字体增大，若所述变化趋势为缩小趋势，则控制触摸屏当前界面下的字体减小。
假设当前状态触点构成区域面积为P1，触点变化后的状态（以下简称下一状态）下触点构成区域面积P2，则字体大小对应的计算公式为：
New Font Scale = Old Font Scale + (P2-P1)/P1*2
其中，Old Font Scale表示当前状态下字体的大小，New Font scale表示下一状态下字体的大小，也就是调整后界面字体需要达到的大小。
系统最大Font scale （即字体大小）= 2,当达到最大字体时，停止响应面积增大的手势，也即达到最大字体时，再增加面积也不响应用户的操作。系统最小Font scale = 0.85,当达到最小字体时，停止响应面积缩小的手势，也即达到最小字体时，再缩小面积也不响应用户的操作。
字体的步进精度控制为 0.05~0.2，例如优选为0.1，步进过大，调整不够精细，不能很好地满足用户对于字体大小调节的要求；而步进太小，容易造成多次调整，容易形成调整迟滞的感觉，反而给用户带来不便。
下面给出具体实施例：
实施例1，当触点变化前后的触点数量均为3个时，如图2所示，图2中：
P1 为初始手势三指触点所组成的三角形面积，P2为下一采样点是三触点组成的新三角形面积，
假设Old Font Scale = 1，
假设P2= 1.3P1 ,New Font scale = 1+0.3/2 = 1.15，则相应地移动终端调节当前界面字体大小为1.1；假设P2= 3P1 ,则New Font scale = 1+2/2 = 2，则相应地移动终端调节当前界面字体大小为2。
实施例2，当触点变化前后的触点数量均为4个时，如图3所示，图3中：
P1 为初始手势四指触点所组成的四边形面积，P2为下一采样点是四触点组成的新四边形面积，
同样假设Old Font Scale = 1，
假设P2= 1.5P1 ,New Font scale = 1+0.5/2 = 1.25，则相应地移动终端调节当前界面字体大小为1.2。
实施例3，当触点变化前的触点数量均3个而变化后的触点数为4个时，如图4所示，图4中：
P1 为初始手势三指触点所组成的三角形面积，P2为下一采样点是四触点组成的新四边形面积，
同样假设Old Font Scale = 1，
假设P2= 2P1 ,则New Font scale = 1+1/2 = 1.5，则相应地移动终端调节当前界面字体大小为1.5。
实施例4，当触点变化前的触点数量均4个而变化后的触点数为3个时，如图5所示，图5中：
P1 为初始手势四指触点所组成的四边形面积，P2为下一采样点是三触点组成的三角形面积，
假设Old Font Scale = 2，
假设P2= 0.8P1 ,New Font scale = 2-0.2/2 = 1.9，则相应地移动终端调节当前界面字体大小为1.9；
假设P2=P1 ,则New Font scale = 2，则当前界面字体大小不变，即不作调整。
当然还存在5个触点甚至更多触点变化的情况，其调节方法跟前述3个、4个触点的调节方法类似。
较优的，在系统根据触点变化调节当前界面字体后，若保持当前触点状态一段时间（可以设计为1s）不变，则确认调节后的界面字体大小达到了用户的需求，可作保存调整处理。
应用本发明实施例调节移动终端当前界面字体大小的方法，在任意操作界面，如主屏界面、浏览器界面、邮件短息界面、通讯录界面、各类阅读应用界面及社交应用界面（包括但不仅限于上述界面）均能够实现界面大小的灵活调节。
以手机主屏界面为例， 通过3指在屏幕上的伸展， 字体随之被放大，实现对手机主屏界面字体的增大调节。以短信界面为例，用户通过4根手指或5指伸展，放大字体，实现对手机短信界面字体的增大调节。
另外，对于图片上字体大小的调节并不适用本发明实施例的方法。
本发明实施例通过多个手指在屏幕上进行按压并进行缩放动作，能快速的调整移动终端界面字体大小，解决了现有技术中对移动终端界面字体调节时，用户需要进入到指定菜单, 调整完字体后需要重新返回, 步骤繁琐不便捷且调整只限于系统设定的字体尺寸的问题。
基于上述方法，本发明实施例还提供了一种调节移动终端界面字体大小的系统，图6为本发明实施例一种调节移动终端界面字体大小的系统较佳实施例的功能模块图，如图6所示，其包括：
指令接收模块100，用于接收用户多个手指对触摸屏的按压操作指令；
趋势获取模块200，用于通过按压操作指令获取对应按压操作触点的变化趋势；
判断控制模块300，用于判断按压操作触点的变化趋势，若所述变化趋势判断为放大趋势，则控制触摸屏当前界面下的字体增大，若所述变化趋势为缩小趋势，则控制触摸屏当前界面下的字体减小；
还包括：
锁屏检测模块400，用于检测移动终端是否处于锁屏状态，若检测移动终端处于锁屏状态则结束流程，否则触发趋势获取模块。
所述趋势获取模块包括：
触点判断单元，用于判断按压操作的触点数量是否为3个及3个以上，是则触发趋势获取模块。
趋势获取模块还包括：
第一面积获取单元，用于获取当前状态下各按压操作触点构成区域的面积；
第二面积获取单元，用于获取下一状态下各按压操作触点构成区域的面积；
趋势获取单元，用于根据所述面积的变化趋势得到按压操作触点的变化趋势。
趋势获取模块还包括：
时间控制单元，用于控制移动终端定时获取各按压操作触点构成区域的面积。
关于上述模块单元的技术细节在前面的方法中已有详述，故不再赘述。
本发明实施例与传统的调节字体方式最大不同点在于：在使用移动终端过程中，用户可根据实际需要，通过手势随时调整字体大小。本发明实施例通过多个手指在屏幕上进行按压并进行缩放动作，能快速的调整移动终端界面字体大小，解决了现有技术中对移动终端界面字体调节时，用户需要进入到指定菜单, 调整完字体后需要重新返回, 步骤繁琐不便捷且调整只限于系统设定的字体尺寸的问题。
如图7所示，需要说明的是，本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，该程序可以存储于一计算机可读存储介质中，存储介质可以包括：只读存储器（ROM，Read Only Memory）、随机存取记忆体（RAM，Random Access Memory）、磁盘或光盘等。
应当理解的是，本发明实施例的应用不限于上述的举例，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，所有这些改进和变换都应属于本发明实施例所附权利要求的保护范围。

Claims (15)

  1. 一种调节移动终端界面字体大小的方法，其中，包括步骤：
    A、移动终端接收用户多个手指对触摸屏的按压操作指令；
    B、通过所述按压操作指令获取对应按压操作触点的变化趋势；
    C、若所述变化趋势为放大趋势，则控制触摸屏当前界面下的字体增大，若所述变化趋势为缩小趋势，则控制触摸屏当前界面下的字体减小。
  2. 根据权利要求1所述的调节移动终端界面字体大小的方法，其中，所述步骤A之后还包括：
    当移动终端触摸屏点亮时，检测移动终端是否处于锁屏状态，若处于锁屏状态，则结束流程，否则进入步骤B。
  3. 根据权利要求1所述的调节移动终端界面字体大小的方法，其中，所述按压操作触点的数量为3个及3个以上。
  4. 根据权利要求3所述的调节移动终端界面字体大小的方法，其中，所述步骤B具体包括：
    B1、获取当前状态下各按压操作触点构成区域的面积；
    B2、获取下一状态下各按压操作触点构成区域的面积；
    B3、根据所述面积的变化趋势得到按压操作触点的变化趋势。
  5. 根据权利要求4所述的调节移动终端界面字体大小的方法，其中，定时获取各按压操作触点构成区域的面积，然后根据当前状态与下一状态下各按压操作触点的变化趋势。
  6. 一种调节移动终端界面字体大小的系统，其中，包括：
    一个或多个处理器；
    存储器；以及
    一个或多个应用程序，其中所述一个或多个应用程序被存储于所述存储器中，并配置为由所述处理器执行；
    指令接收模块，用于接收用户多个手指对触摸屏的按压操作指令；
    趋势获取模块，用于通过按压操作指令获取对应按压操作触点的变化趋势
    判断控制模块，用于判断按压操作触点的变化趋势，若所述变化趋势判断为放大趋势，则控制触摸屏当前界面下的字体增大，若所述变化趋势为缩小趋势，则控制触摸屏当前界面下的字体减小。
  7. 根据权利要求6所述的调节移动终端界面字体大小的系统，其中，还包括：
    锁屏检测模块，用于检测移动终端是否处于锁屏状态，若检测移动终端处于锁屏状态则结束流程，否则触发趋势获取模块。
  8. 根据权利要求6所述的调节移动终端界面字体大小的系统，其中，所述趋势获取模块包括：
    触点判断单元，用于判断按压操作的触点数量是否为3个及3个以上。
  9. 根据权利要求6所述的调节移动终端界面字体大小的系统，其中，趋势获取模块还包括：
    第一面积获取单元，用于获取当前状态下各按压操作触点构成区域的面积；
    第二面积获取单元，用于获取下一状态下各按压操作触点构成区域的面积；
    趋势获取单元，用于根据所述面积的变化趋势得到按压操作触点的变化趋势。
  10. 根据权利要求9所述的调节移动终端界面字体大小的系统，其中，趋势获取模块包括：
    时间控制单元，用于控制移动终端定时获取各按压操作触点构成区域的面积。
  11. 一种调节移动终端界面字体大小的系统，其中，包括：
    一个或多个处理器；
    存储器；以及
    一个或多个应用程序，其中所述一个或多个应用程序被存储于所述存储器中，并配置为由所述处理器执行步骤：
    A、移动终端接收用户多个手指对触摸屏的按压操作指令；
    B、通过所述按压操作指令获取对应按压操作触点的变化趋势；
    C、若所述变化趋势为放大趋势，则控制触摸屏当前界面下的字体增大，若所述变化趋势为缩小趋势，则控制触摸屏当前界面下的字体减小。
  12. 根据权利要求11所述的调节移动终端界面字体大小的系统，其中，所述步骤A之后，所述处理器还用于执行：
    当移动终端触摸屏点亮时，检测移动终端是否处于锁屏状态，若处于锁屏状态，则结束流程，否则进入步骤B。
  13. 根据权利要求11所述的调节移动终端界面字体大小的系统，其中，所述按压操作触点的数量为3个及3个以上。
  14. 根据权利要求13所述的调节移动终端界面字体大小的系统，其中，所述步骤B中，所述处理器还用于执行：
    B1、获取当前状态下各按压操作触点构成区域的面积；
    B2、获取下一状态下各按压操作触点构成区域的面积；
    B3、根据所述面积的变化趋势得到按压操作触点的变化趋势。
  15. 根据权利要求14所述的调节移动终端界面字体大小的系统，其中，所述处理器还用于执行：定时获取各按压操作触点构成区域的面积，然后根据当前状态与下一状态下各按压操作触点的变化趋势。
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