Patent Publication Number: US-11036381-B2

Title: Flexible device and operation method of flexible device

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     This application is a 371 of International Application No. PCT/KR2017/003936 filed on Apr. 12, 2017, which claims priority to Korean Patent Application No. 10-2016-0044861 filed on Apr. 12, 2016 in the Korean Intellectual Property Office, the disclosures of which are herein incorporated by reference their entirety. 
     BACKGROUND 
     1. Field 
     Various embodiments of the present disclosure relate to a flexible device and a method for operating the same. 
     2. Description of Related Art 
     Generally, ‘electronic devices’ refer to devices that perform particular functions based on embedded programs, such as home appliances, electronic notes, portable multimedia players (PMPs), mobile communication terminals, tablet personal computers (PCs), video/audio devices, desktop/laptop computers, vehicle navigation systems, and so forth. For example, these electronic devices may output stored information in the form of sounds, images, and so forth. Due to the increased integration of electronic devices and the common use of ultra-high-speed, large-volume wireless communication, various functions have recently been provided through a single mobile communication terminal. 
     For example, entertainment functions such as games, multimedia functions such as music/video playback, communication and security functions for mobile banking, and functions such as schedule management, electronic wallets, or the like, as well as communication functions, have been integrated into a single electronic device. 
     As functions of electronic devices have become diversified, the designs of electronic devices have changed into various forms. In line with this, due to light and infrangible properties, flexible devices have attracted much attention. Flexible devices now lead the advent of a new user interface era which has been applied restrictively, or has not even been applicable, with existing glass substrate displays. 
     SUMMARY 
     According to existing technologies, a flexible device senses bending thereof and provides a preset function corresponding to the bending, but only a limited function is provided based on the simple determination of bending. 
     Various embodiments of the present disclosure provide a flexible device and a method for operating a flexible device in which, by reflecting a user&#39;s intention regarding bending the flexible device, various user interfaces may be provided. 
     Technical Solution 
     To solve the above-described or other problems, a flexible device, according to an embodiment of the present disclosure, may include a touch panel configured to sense contact with respect to at least a part of the flexible device and a processor configured to determine bending information of the flexible device, determine attributes of each of at least one contact region sensed through the touch panel, and control a function of the flexible device based on the determined bending information and the change of the attributes of the at least one contact region. 
     A method for operating a flexible device, according to any one of various embodiments of the present disclosure, may include determining bending information of the flexible device, sensing contact with respect to at least a part of the flexible device, determining attributes of each of at least one contact region corresponding to the sensed contact, and controlling a function of the flexible device based on the determined bending information and the change of attributes of the at least one contact region. 
     Advantageous Effects 
     A method for operating a flexible device, according to various embodiments, may implement various user interfaces reflecting a user&#39;s intentions by determining a change of attributes of a contact region touched by the user when the user bends or bends out the flexible device. 
     Moreover, bending the flexible device may not only provide a display effect and call or execute a function, but it may also provide various user interfaces capable of maximizing the use of content actually provided on the display. 
     For example, when two-dimensional (2D), three-dimensional (3D), 360-degree, virtual reality (VR), remote view contents, or the like are used in the flexible device, a easier and more optimized user interface may be provided compared to a conventional simple user interface. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  illustrates an example of a structure of a flexible device according to an embodiment of the present disclosure. 
         FIG. 2  is a flowchart illustrating an operation procedure of a flexible device according to various embodiments of the present disclosure. 
         FIG. 3  illustrates bending of a flexible device according to various embodiments of the present disclosure. 
         FIGS. 4A and 4B  illustrate bending to the left or right by force exerted in one direction in a landscape mode according to various embodiments of the present disclosure. 
         FIGS. 5A and 5B  illustrate bending up or down by force exerted in one direction in a portrait mode according to various embodiments of the present disclosure. 
         FIG. 6A  illustrates bending to the left or right by force exerted in two directions according to various embodiments of the present disclosure. 
         FIG. 6B  illustrates bending up or down by force exerted in two directions according to various embodiments of the present disclosure. 
         FIG. 7  illustrates temporary bending according to various embodiments of the present disclosure. 
         FIG. 8  illustrates a state in which bending is maintained according to various embodiments of the present disclosure. 
         FIG. 9  illustrates change of a contact region according to various embodiments of the present disclosure. 
         FIG. 10  illustrates a pressure applied to a rear surface according to various embodiments of the present disclosure. 
         FIGS. 11A through 11D  illustrate identification of a bending degree according to various embodiments of the present disclosure. 
         FIG. 12  illustrates identification of a bending direction according to various embodiments of the present disclosure. 
         FIG. 13  illustrates identification of a bending direction according to various embodiments of the present disclosure. 
         FIG. 14  illustrates identification of a bending strength according to various embodiments of the present disclosure. 
         FIG. 15  illustrates an example of operation implementation in a flexible device according to various embodiments of the present disclosure. 
         FIG. 16  illustrates an example of operation implementation applied to three-dimensional (3D) view in a flexible device according to various embodiments of the present disclosure. 
         FIG. 17  illustrates an example of operation implementation applied to navigation in a flexible device according to various embodiments of the present disclosure. 
         FIG. 18  illustrates a street view displayed on a flexible device according to various embodiments of the present disclosure. 
         FIGS. 19 and 20  illustrate examples of operation implementation applied to street view in a flexible device according to various embodiments of the present disclosure. 
         FIG. 21  illustrates an example of operation implementation applied to street view in a flexible device according to various embodiments of the present disclosure. 
         FIG. 22  illustrates an example of operation implementation applied to VR in a flexible device according to various embodiments of the present disclosure. 
         FIGS. 23 and 24  illustrate examples of operation implementation applied to 360-degree contents in a flexible device according to various embodiments of the present disclosure. 
         FIG. 25  illustrates a network environment according to an embodiment of the present disclosure. 
         FIG. 26  is a block diagram of a detailed structure of an electronic device according to an embodiment of the present disclosure. 
         FIG. 27  is a block diagram of a programming module according to various embodiments of the present disclosure. 
     
    
    
     DETAILED DESCRIPTION 
     Hereinafter, various embodiments of the present disclosure will be disclosed with reference to the accompanying drawings. However, the description is not intended to limit the present disclosure to particular embodiments, and it should be construed as including various modifications, equivalents, and/or alternatives according to the embodiments of the present disclosure. With regard to the description of the drawings, similar reference numerals may be used to refer to similar or related elements. 
     In the present disclosure, an expression such as “having,” “may have,” “comprising,” or “may comprise” indicates existence of a corresponding characteristic (e.g., a numerical value, a function, an operation, or an element like a part) and does not exclude existence of additional characteristic. 
     In the present disclosure, an expression such as “A or B,” “at least one of A or/and B,” or “one or more of A or/and B” may include all possible combinations of together listed items. For example, “A or B,” “at least one of A and B,” or “one or more of A or B” may indicate the entire of (1) including at least one A, (2) including at least one B, or (3) including both at least one A and at least one B. 
     Expressions such as “first,” “second,” “primarily,” or “secondary,” used in various embodiments may represent various elements regardless of order and/or importance and do not limit corresponding elements. The expressions may be used for distinguishing one element from another element. For example, a first user device and a second user device may represent different user devices regardless of order or importance. For example, a first element may be named as a second element without departing from the right scope of the various exemplary embodiments of the present disclosure, and similarly, a second element may be named as a first element. 
     When it is described that an element (such as a first element) is “operatively or communicatively coupled with/to” or “connected” to another element (such as a second element), the element can be directly connected to the other element or can be connected to the other element through another element (e.g., a third element). However, when it is described that an element (e.g., a first element) is “directly connected” or “directly coupled” to another element (e.g., a second element), it means that there is no intermediate element (e.g., a third element) between the element and the other element. 
     An expression “configured to (or set)” used in the present disclosure may be replaced with, for example, “suitable for,” “having the capacity to,” “designed to,” “adapted to,” “made to,” or “capable of” according to a situation. A term “configured to (or set)” does not always mean only “specifically designed to” by hardware. Alternatively, in some situation, an expression “apparatus configured to” may mean that the apparatus “can” operate together with another apparatus or component. For example, a phrase “a processor configured (or set) to perform A, B, and C” may be a dedicated processor (e.g., an embedded processor) for performing a corresponding operation or a generic-purpose processor (such as a CPU or an application processor) that can perform a corresponding operation by executing at least one software program stored at a memory device. 
     Terms defined in the present disclosure are used for only describing a specific exemplary embodiment and may not have an intention to limit the scope of other exemplary embodiments. It is to be understood that a singular form of a noun corresponding to an item may include one or more of the things, unless the relevant context clearly indicates otherwise. All of the terms used herein including technical or scientific terms have the same meanings as those generally understood by an ordinary skilled person in the related art. The terms defined in a generally used dictionary should be interpreted as having meanings that are the same as or similar with the contextual meanings of the relevant technology and should not be interpreted as having ideal or exaggerated meanings unless they are clearly defined in the various exemplary embodiments. In some case, terms defined in the present disclosure cannot be analyzed to exclude the present exemplary embodiments. 
     An electronic device according to various embodiments of the present disclosure may include at least one of a smartphone, a tablet personal computer (PC), a mobile phone, a video phone, an electronic book (e-book) reader, a desktop PC, a laptop PC, a netbook computer, a workstation server, a personal digital assistant (PDA), a portable multimedia player (PMP), an MP3 player, a mobile medical appliance, a camera, and a wearable device (e.g., smart glasses, a head-mounted-device (HMD), electronic clothes, an electronic bracelet, an electronic necklace, an electronic appcessory, electronic tattoos, a smart mirror, or a smart watch). 
     According to some embodiments, the electronic device may be a smart home appliance. The home appliance may include, for example, a television (TV), a Digital Video Disk (DVD) player, audio equipment, a refrigerator, an air conditioner, a vacuum cleaner, an oven, a microwave oven, a laundry machine, an air cleaner, a set-top box, a home automation control panel, a security control panel, a TV box (e.g., Samsung HomeSync™, Apple TV™, or Google TV™), a game console, an electronic dictionary, an electronic key, a camcorder, and an electronic frame. 
     According to other embodiments of the present disclosure, the electronic device may include at least one of various medical equipment (for example, magnetic resonance angiography (MRA), magnetic resonance imaging (MM), computed tomography (CT), an imaging device, or an ultrasonic device), a navigation system, a global positioning system (GPS) receiver, an event data recorder (EDR), a flight data recorder (FDR), a vehicle infotainment device, electronic equipment for ships (e.g., a navigation system and gyro compass for ships), avionics, a security device, a vehicle head unit, an industrial or home robot, an automatic teller&#39;s machine (ATM), a Point of Sales (POS), Internet of things (e.g., electric bulbs, various sensors, electricity or gas meters, sprinkler devices, fire alarm devices, thermostats, streetlights, toasters, exercise machines, hot-water tanks, heaters, boilers, and so forth). 
     According to some embodiments, the electronic device may include a part of a furniture or building/structure, an electronic board, an electronic signature receiving device, a projector, and various measuring instruments (e.g., a water, electricity, gas, electric wave measuring device, etc.). The electronic device according to various embodiments of the present disclosure may be one of the above-listed devices or a combination thereof. The electronic device according to various embodiments of the present disclosure may be a flexible electronic device. The electronic device according to various embodiments of the present disclosure is not limited to the above-listed devices and may include new electronic devices according to technical development. 
     Various embodiments of the present disclosure disclose a flexible device and a method for operating a flexible device in which, by reflecting a user&#39;s intention regarding bending the flexible device, various user interfaces may be provided. 
     For example, when a flexible device is bent or bent out (or unbent), various functions of the flexible device may be controlled considering the change of attributes of each of at least one contact region sensed through a touch panel provided in the flexible device as well as bending information of the flexible device. 
     In various embodiments of the present disclosure described below, “bending information” may include at least one selected from among bending or non-bending, bending angle, bending position, bending direction, bending speed, bending duration, bending strength, or the number of bends, but various embodiments of the present disclosure are not limited thereto. 
     Moreover, in various embodiments of the present disclosure described below, “change of attributes of a contact region” may include at least one of a pressure change in the contact region, a form change in the contact region, an area change in the contact region, and a moving trajectory in the contact region, but various embodiments of the present disclosure are not limited thereto. 
     Furthermore, in various embodiments of the present disclosure described below, “bending interaction” means a bending or bending-out action that reflects a user&#39;s intention when the user holds the flexible device. For example, the bending interaction may include a user&#39;s bending action by applying force on the left hand, a user&#39;s bending action by applying force on the right hand, a user&#39;s bending action by applying force on both hands, a user&#39;s bending-out action to bend out a bent flexible device, and so forth, but various embodiments of the present disclosure are not limited thereto. 
     Hereinafter, an electronic device according to various embodiments of the present disclosure will be described with reference to the accompanying drawings. Herein, the term “user” used in various embodiments of the present disclosure may refer to a person who uses the electronic device or a device using the electronic device. 
       FIG. 1  illustrates an example of a structure of a flexible device according to an embodiment of the present disclosure. Referring to  FIG. 1 , an electronic device (e.g., a flexible device  100 ) according to various embodiments of the present disclosure may include at least one of a processor  110 , a bending determining module  120 , a touch panel  130 , or a display  140 . 
     The electronic device may include the flexible device  100 , and may also include a flexible display, a flexible printed circuit board (FPCB), a bending detecting sensor (e.g., a strain gauge, etc.), and so forth. According to various embodiments, when components of the flexible device are implemented in actual applications, two or more components thereof may be integrated into one component or one component may be divided into two or more components. 
     According to various embodiments, the flexible display may be implemented thin so as to be easily bent. Logic may also be added to flexible components in order to detect the shape of a body contacting the flexible components. For example, flexible sensors may be used with a flexible display coupled thereto. The flexible sensors may be based on, for example, resistance measurement, capacitance measurement, or impedance measurement, and may detect a bending force. Accelerometers may also be used to detect bending and/or movement. At least one sensor may be configured addressable to determine that the flexible device has been bent. 
     The processor  110  may include one or more of a central processing unit (CPU), an application processor (AP), and a communication processor (CP). The processor  110  may perform operations or data processing for control and/or communication with, for example, at least one of the other components of the electronic device (e.g., the flexible device  100 ). 
     The bending determining module  120  may determine the bending information of the flexible device  100 . The bending information may be determined from information sensed by at least one bending detecting sensor. The bending detecting sensor may be implemented in various forms, and may include, for example, at least one strain gauge. 
     According to various embodiments of the present disclosure, bending information determined by the bending determining module  120  may include at least one selected from among bending or non-bending, bending angle, bending position, bending direction, bending speed, bending duration, bending strength, or the number of bends, but various embodiments of the present disclosure are not limited thereto. At least some functions of the bending determining module  120  may be included in the processor  110 . 
     The touch panel  130  may determine a user&#39;s touch input. When the flexible device  100  is implemented thin so as to be easily bent, the touch panel  130  may be configured on the front surface or the rear surface of the flexible device  100  or both. The touch panel  130  may be configured on at least a part of the front surface of the flexible device  100  or at least a part of the rear surface of the flexible device  100 . The touch panel  130  may be configured, together with the display  140  (e.g., a display panel), in the form of a module to form a touch screen. For example, according to various embodiments of the present disclosure, both the front surface and the rear surface of the flexible device  100  may be configured with touch screens, or one of them may be configured with a touch screen having the display  140  formed therein and the other may be configured with a touch pad. 
     According to various embodiments of the present disclosure, the touch panel  130  may sense contact with at least a part of the flexible device  100 . The processor  110  may determine the attributes of each of at least one contact region on the flexible device  100  from information sensed by the touch panel  130 . The processor  110  may determine the change of attributes of the contact region by continuously having the information sensed by the touch panel  130  inputted thereto. According to various embodiments of the present disclosure, the change of the attributes of the contact region may include at least one of a pressure change in the contact region, a form change in the contact region, an area change in the contact region, and a moving trajectory in the contact region, but various embodiments of the present disclosure are not limited thereto. 
     According to various embodiments of the present disclosure, the processor  110  may control a function of the flexible device  100  based on the bending information determined by the bending determining module  120  and the determined change of the attributes of the contact region. For example, the processor  110  may display a screen by controlling the display  140  based on the determined bending information and the determined change of the attributes of the contact region. 
     In addition, according to various embodiments of the present disclosure, the processor  110  may determine the type of bending interaction based on the determined bending information of the flexible device  100  and control a function of the flexible device  110  at least based on the determined type of bending interaction. According to various embodiments of the present disclosure, the type of bending interaction may include at least one selected from among bending by pressure in one direction, bending by pressure in two directions, bending for a specific time and then release, maintaining a bending state, or returning to a bending-out state. 
     According to various embodiments of the present disclosure, the function of the flexible device  100  controlled by the processor  110  may include a function that is set in a currently executed application. For example, the application may include at least one selected from among a map application, a two-dimensional (2D) content play application, a 3D content play application, a 360-degree content play application, or a virtual reality (VR) application, and detailed embodiments thereof will be described later. According to various embodiments of the present disclosure, a function of the flexible device may include at least one selected from among a mode switch function, a zoom-in/zoom-out function, movement in one direction, a panning function, a rotation function, or a viewpoint switch function, but various embodiments of the present disclosure are not limited thereto. 
     In various embodiments of the present disclosure, each functional unit or module may mean a functional and structural combination of hardware for performing the technical spirit of various embodiments of the present disclosure and software for driving the hardware. For example, it may be easily construed by those of ordinary skill in the art that each functional unit or module may mean a logical unit of a predetermined code and a hardware resource for executing the predetermined code, and does not necessarily mean physically connected code or one type of hardware. 
     A flexible device according to any one of various embodiments of the present disclosure may include a touch panel configured to sense contact with respect to at least a part of the flexible device and a processor configured to determine bending information of the flexible device, determine attributes of each of at least one contact region sensed through the touch panel, and control a function of the flexible device based on the determined bending information and a change of the attributes of the at least one contact region. 
     According to various embodiments, the change of the attributes of the contact region may include at least one of a pressure change in the contact region, a form change in the contact region, an area change in the contact region, and a moving trajectory in the contact region. 
     According to various embodiments of the present disclosure, the flexible device may further include a display configured to display a screen by the control of the processor based on the determined bending information and the change of the attributes of the at least one contact region. 
     According to various embodiments of the present disclosure, the bending information may include at least one selected from among bending or non-bending, bending angle, bending position, bending direction, bending speed, bending duration, bending strength, or the number of bends. 
     According to various embodiments of the present disclosure, the flexible device may further include at least one bending detecting sensor configured to sense that the flexible device has been bent. 
     According to various embodiments of the present disclosure, the flexible device may determine the type of bending interaction based on the determined bending information of the flexible device and control a function of the flexible device at least based on the determined type of bending interaction. 
     According to various embodiments of the present disclosure, the type of bending interaction may include at least one selected from among bending by pressure in one direction, bending by pressure in two directions, bending for a specific time and then release, maintaining a bending state, or returning to a bending-out state. 
     According to various embodiments of the present disclosure, the function of the flexible device may include a function that is set in a currently executed application. 
     According to various embodiments of the present disclosure, the application may include at least one selected from among a map application, a 2D content play application, a 3D content play application, a 360-degree content play application, or a VR application. 
     According to various embodiments of the present disclosure, a function of the flexible device may include at least one selected from among a mode switch function, a zoom-in/zoom-out function, movement in one direction, a panning function, a rotation function, or a viewpoint switch function. 
       FIG. 2  is a flowchart illustrating an operation procedure of a flexible device according to various embodiments of the present disclosure. Referring to  FIG. 2 , in operation  202 , the flexible device may determine bending information of the flexible device. 
     According to various embodiments of the present disclosure, the bending information may include at least one selected from among bending or non-bending, bending angle, bending position, bending direction, bending speed, bending duration, bending strength, or the number of bends, but various embodiments of the present disclosure are not limited thereto. 
     In operation  204 , the flexible device may determine attributes of each of at least one contact region sensed by the flexible device or change of the attributes of the contact region in the at least one contact region. According to various embodiments of the present disclosure, the change of the attributes of the contact region may include at least one of a pressure change in the contact region, a form change in the contact region, an area change in the contact region, and a moving trajectory in the contact region, but various embodiments of the present disclosure are not limited thereto. 
     In operation  206 , the flexible device may control a function of the flexible device based on the determined bending information and a change in at least one of the attributes of the contact region. 
     According to various embodiments of the present disclosure, the flexible device may determine the type of bending interaction based on the determined bending information of the flexible device and control a function of the flexible device at least based on the determined type of bending interaction. According to various embodiments of the present disclosure, the type of bending interaction may include at least one selected from among bending by pressure in one direction, bending by pressure in two directions, bending for a specific time and then release, maintaining a bending state, or returning to a bending-out state. 
     According to various embodiments of the present disclosure, the function of the flexible device controlled based on the determined bending information and the change of the attributes of the contact region may include a function that is set in a currently executed application. For example, the application may include at least one selected from among a map application, a 2D content play application, a 3D content play application, a 360-degree content play application, or a VR application, and detailed embodiments thereof will be described later. According to various embodiments of the present disclosure, a function of the flexible device may include at least one selected from among a mode switch function, a zoom-in/zoom-out function, movement in one direction, a panning function, a rotation function, or a viewpoint switch function, but various embodiments of the present disclosure are not limited thereto. 
     At least one of the operations of  FIG. 2  may be omitted and at least one other operation may be added between the operations of  FIG. 4 . In addition, the operations of  FIG. 2  may be processed in an illustrated order, and an execution order of at least one operation may be exchanged with that of another operation. The operations illustrated in  FIG. 2  may be performed in the electronic device or a server. At least one of the operations illustrated in  FIG. 2  may be performed in the electronic device, and the other operations may be performed in the server. 
     A method for operating a flexible device, according to any one of various embodiments of the present disclosure, may include determining bending information of the flexible device, sensing contact with respect to at least a part of the flexible device, determining attributes of each of at least one contact region corresponding to the sensed contact, and controlling a function of the flexible device based on the determined bending information and a change of attributes of the at least one contact region. 
     According to various embodiments, the change of the attributes of the contact region may include at least one of a pressure change in the contact region, a form change in the contact region, an area change in the contact region, and a moving trajectory in the contact region. 
     According to various embodiments of the present disclosure, the method may further include controlling a screen based on the determined bending information and the change of the attributes of the at least one contact region. 
     According to various embodiments of the present disclosure, the bending information may include at least one selected from among bending or non-bending, bending angle, bending position, bending direction, bending speed, bending duration, bending strength, or the number of bends. 
     According to various embodiments of the present disclosure, the flexible device may sense that the flexible device has been bent by at least one bending detecting sensor. 
     According to various embodiments of the present disclosure, the method may further include determining the type of bending interaction based on the determined bending information of the flexible device and controlling a function of the flexible device at least based on the determined type of bending interaction. 
     According to various embodiments of the present disclosure, the type of bending interaction may include at least one selected from among bending by pressure in one direction, bending by pressure in two directions, bending for a specific time and then release, maintaining a bending state, or returning to a bending-out state. 
     According to various embodiments of the present disclosure, the function of the flexible device may include a function that is set in a currently executed application. 
     According to various embodiments of the present disclosure, the application may include at least one selected from among a map application, a 2D content play application, a 3D content play application, a 360-degree content play application, or a VR application. 
     According to various embodiments of the present disclosure, a function of the flexible device may include at least one selected from among a mode switch function, a zoom-in/zoom-out function, movement in one direction, a panning function, a rotation function, or a viewpoint switch function. 
       FIG. 3  illustrates bending of a flexible device according to various embodiments of the present disclosure. Referring to  FIG. 3 , the flexible device according to various embodiments of the present disclosure may mean an electronic device that is bendable with respect to a position (e.g., a center). The flexible device according to various embodiments of the present disclosure may be bent forward with respect to a line of sight of a user. 
     According to various embodiments, the flexible device may also be bent backward with respect to the line of sight of the user. Although the flexible device is illustrated as being bendable once in  FIG. 3 , the flexible device may also be implemented as bendable twice or more times according to various embodiments of the present disclosure. Moreover, while the flexible device is illustrated as being bendable in any one direction in  FIG. 3 , even the same flexible device may be implemented to be bent in various positions or various directions. 
     Hereinafter, with reference to  FIGS. 4A, 4B, 5A, 5B, 6A, and 6B , a description will be made of types of bending interaction according to various embodiments of the present disclosure. In the drawings to be referred to in the following description, a touched part may be illustrated as shaded for convenience, and among touched parts, a thickly-shaded part has applied thereto greater force (e.g., pressure) in a touch than in a lightly-shaded part. 
       FIGS. 4A and 4B  illustrate bending to the left or right by force exerted in one direction in a landscape mode according to various embodiments of the present disclosure.  FIGS. 4A and 4B  show that the left and the right of the flexible device, with respect to a central line in a vertical direction, are bendable in the landscape mode. 
     It may be seen from  FIG. 4A  that when a user holds a flexible device  400  with both hands, the greater force is applied to a region  411  touched by the left hand than to a region  412  touched by the right hand. For example, when the user intends to bend the flexible device  400  by applying force on the left hand while holding the flexible device  400  with both hands, the flexible device  400  is bent as shown in  FIG. 4A . 
     It may be seen from  FIG. 4B  that when the user holds the flexible device  400  with both hands, a greater force is applied to a region  422  touched by the right hand than to a region  421  touched by the left hand. For example, when the user intends to bend the flexible device  400  by applying force on the right hand while holding the flexible device  400  with both hands, the flexible device  400  is bent as shown in  FIG. 4B . 
     According to various embodiments of the present disclosure, in  FIGS. 4A and 4B , a user&#39;s intention may be determined to differ with the hand to which the user applies force for bending even if the bending angles are the same as each other or similar to each other. For example, it may be determined whether the user intends to apply force on the left hand or on the right hand for bending, and the determination result may be processed as different inputs. 
       FIGS. 5A and 5B  illustrate bending to the left or right by force exerted in one direction in the portrait mode according to various embodiments of the present disclosure.  FIGS. 5A and 5B  show that the upper part and the lower part of the flexible device, with respect to a central line in a horizontal direction, are bendable in the portrait mode. 
     It may be seen from  FIG. 5A  that when the user holds a flexible device  500  with both hands, the greater force is applied to a region  512  touched in the lower part than to a region  511  touched in the upper part. For example, when the user intends to bend the flexible device  500  by applying the greater force on the hand holding the lower part of the flexible device  500  while holding the flexible device  500  with both hands, the flexible device  500  is bent as shown in  FIG. 5A . 
     It may be seen from  FIG. 5B  that when the user holds the flexible device  500  with both hands, the greater force is applied to a region  521  touched in the upper part than to a region  522  touched in the lower part. For example, when the user intends to bend the flexible device  500  by applying the greater force on the hand holding the upper part of the flexible device  500  while holding the flexible device  500  with both hands, the flexible device  500  is bent as shown in  FIG. 5B . 
       FIG. 6A  illustrates bending to the left or right by force exerted in two directions in the landscape mode according to various embodiments of the present disclosure.  FIG. 6A  shows that the left and the right of the flexible device, with respect to the central line in the vertical direction, are bendable in the landscape mode. 
     It may be seen from  FIG. 6A  that when a user holds a flexible device  600  with both hands, the same or similar force is applied to a region  611  touched by the left hand and a region  612  touched by the right hand. For example, when the user intends to bend the flexible device  500  by applying the same or similar force on both hands while holding the flexible device  600  with both hands, the flexible device  400  is bent as shown in  FIG. 6A . 
     According to various embodiments of the present disclosure, as shown in  FIGS. 4A, 4B, and 6A , even if the flexible device is bent at the same angle or similar angles, a user&#39;s intention for bending (for example, a hand on which the user applies the greater force) may be determined or identified and different operations may be performed based on the determination or identification. 
       FIG. 6B  illustrates bending to the left or right by force exerted in two directions in the portrait mode according to various embodiments of the present disclosure.  FIG. 6B  show that the upper part and the lower part of the flexible device, with respect to the central line in the horizontal direction, are bendable in the landscape mode. 
     It may be seen from  FIG. 6B  that when the user holds a flexible device  600  with both hands, the same or similar force is applied to a region  621  touched in the upper part and to a region  622  touched by the lower part. For example, when the user intends to bend the flexible device  600  by applying the same or similar force on both hands while holding the flexible device  600  with both hands, the flexible device  400  is bent as shown in  FIG. 6B . 
     According to various embodiments of the present disclosure, as shown in  FIGS. 5A, 5B, and 6B , even if the flexible device is bent at the same angle or similar angles, a user&#39;s intention for bending (for example, a hand on which the user applies the greater force) may be determined or identified and different operations may be performed based on the determination or identification. 
       FIG. 7  illustrates temporary bending according to various embodiments of the present disclosure. Referring to  FIG. 7 , when a bent-out (flat) flexible device  700  is bent by applying force on both hands holding the flexible device  700 , force applied to a contact region  711  touched by the left hand and force applied to a contact region  712  touched by the right hand may be determined, respectively. 
     The flexible device  700  may be bent by the force applied on both hands. When the user relaxes hands  721  and  722  on the flexible device  700  bent at a specific angle or removes the hands  721  and  722  from the flexible device  700 , pressures applied to contact regions  731  and  732  may be lowered to a specific value or less or to 0. 
     According to various embodiments of the present disclosure, as shown in  FIG. 7 , when the user slightly bends and then releases the flexible device  700 , an input or interaction by the bending may be stopped and a status of the screen may be maintained. 
     When the user bends out the bent flexible device  700  by applying force, the bending-out may be determined and a corresponding input or interaction may be used. 
       FIG. 8  illustrates a state in which bending is maintained according to various embodiments of the present disclosure. Referring to  FIG. 8 , when a bent-out (flat) flexible device  800  is bent by applying force on both hands holding the flexible device  700 , force applied to a contact region  811  touched by the left hand and force applied to a contact region  812  touched by the right hand may be determined, respectively. 
     The flexible device  800  may be bent by the force applied on both hands. When the flexible device  800  is bent at a specific angle, the user may continuously apply greater force than a specific value to the contact regions  811  and  812 . 
     According to various embodiments of the present disclosure, as shown in  FIG. 8 , when the user continuously applies force to the slightly-bent flexible device  800 , an input or interaction by the bending may be maintained. 
     When the user bends out the bent flexible device  800  by applying force in the opposite direction, the bending-out may be determined and a corresponding input or interaction may be used. For example, the latest state may be maintained, a function that is opposite to a function executed by the bending may be performed, or the function executed by the bending may be canceled. 
     With reference to  FIGS. 9 and 10 , a detailed description will be made of examples of a method for determining the bending direction based on a user&#39;s intention as bending interaction. For example, as shown in  FIGS. 4A, 4B, 5A, 5B, 6A, and 6B , by determining or identifying whether the user intends to bend by applying force on the left hand, by applying force on the right hand, or by applying the same force on the both hands, various inputs or interactions may be provided. According to various embodiments of the present disclosure, determination of the bending direction based on the user&#39;s intention may be implemented in various ways, without being limited to embodiments described below. 
     According to various embodiments of the present disclosure, determination of the bending direction (determination of the bending direction, taking into account the user&#39;s intention for bending, for example, by applying force on the left hand, by applying force on the right hand, by applying the same force to both hands, by releasing the force after bending, by continuously applying force after bending, and so forth) may be performed based on attributes of a contact region touched by a hand when the user holds the flexible device, or change of the attributes of the contact region. According to various embodiments of the present disclosure, the change of the attributes of the contact region may include at least one of a pressure change in the contact region, a form change in the contact region, an area change in the contact region, and a moving trajectory in the contact region, but various embodiments of the present disclosure are not limited thereto. 
     In addition, according to various embodiments of the present disclosure, determination of the bending direction may be performed by at least one sensor. For example, assuming that the flexible device is bent with respect to a predetermined position, the determination may be performed based on a position change value (e.g., a rotation value, a moving speed, a moving distance, etc.) recognized by at least one sensor (e.g., a gyroscope, an accelerometer, or the like) provided in both sides or by any one of them with respect to a bending reference line, and may be performed based on coordinates value of a bent position obtained by a flex sensor or a piezo sensor. 
     According to various embodiments of the present disclosure, the bending direction may also be determined by measuring pressure applied to a contact face of the flexible device when the user holds the flexible device with both hands or either one of them, or by measuring pressure applied to the rear surface of the flexible device. 
     In addition, according to various embodiments of the present disclosure, the determination of the bending direction may be performed using a combination of at least one of the above-described various ways. 
       FIG. 9  illustrates change of a contact region according to various embodiments of the present disclosure. Referring to  FIG. 9 , determination of a bending direction reflecting a user&#39;s intention may be performed based on attributes of a contact region or change of the attributes of the contact region when the user contacts a flexible device  900 . For example, a contact region  910  when the flexible device  900  is flat and a contact region  920  when the user bends the flexible device  900  may be different. According to various embodiments of the present disclosure, when the user bends or bends out the flexible device  900 , a bending direction reflecting a user&#39;s intention may be determined based on at least one of change in pressures in the contact regions  910  and  920 , change of the shapes of the contact regions  910  and  920 , change of the areas of the contact regions  910  and  920 , and moving trajectories of the contact regions  910  and  920 . 
       FIG. 10  illustrates pressure applied to a rear surface according to various embodiments of the present disclosure. Referring to  FIG. 10 , according to various embodiments of the present disclosure, force or pressure applied to the rear surface of a flexible device  1000  may be measured to determine the bending direction reflecting a user&#39;s intention. For example, when the user bends the flexible device  1000  while holding the flexible device  1000  with the right hand, contact regions  1011 ,  1012 ,  1013 , and  1014  touched by four fingers may be sensed on the rear surface of the flexible device  1000  as shown in  FIG. 10 . 
     According to various embodiments of the present disclosure, the bending direction reflecting a user&#39;s intention may be determined by determining attributes of a contact region or change of the attributes of the contact region, such as the number of contact regions sensed on the rear surface of the flexible device  1000 , areas of the contact regions  1000 , force applied to the contact regions  1000 , or the like. 
     In  FIG. 10 , the rear surface of the flexible device  1000  may be implemented with a touch screen including a function of a display, or with a touch pad without a function of a display. 
     With reference to  FIGS. 11A through 14 , a detailed description will be made of a method for determining information such as bending degree, bending direction, bending state, or the like of the flexible device when the user bends or bends out the flexible device. According to various embodiments of the present disclosure, various operations or functions may be provided by determining or identifying the bending degree, the bending direction, the bending state, or the like of the flexible device when the user bends or bends out the flexible device. 
       FIGS. 11A through 11D  illustrate identification of a bending degree according to various embodiments of the present disclosure. Referring to  FIGS. 11A through 11D , when a flexible device is bent, if a bending degree is greater than or equal to a preset threshold, the flexible device may be determined to be in a bending state. For example, in  FIGS. 11A and 11B , since the bending degree is less than the threshold, the flexible device may not be determined to be in the bending state. According to various embodiments of the present disclosure, when the bending degree of the flexible device reaches the threshold as shown in  FIG. 11C  and then exceeds the threshold as shown in  FIG. 11D , the flexible device may be determined to be in the bending state and may perform a corresponding operation. 
     According to various embodiments of the present disclosure, when the flexible device changes from a physically flat state to a bending state, if a preset condition is satisfied, the change may be processed. For example, when contact (holding) and bending continue for a preset time or longer, the flexible device may be determined to be in the bending state. 
     According to various embodiments of the present disclosure, when bending is terminated within preset N seconds, the bending may not be recognized as bending corresponding to a user&#39;s intention even if the flexible device maintains the bending state, and thus an additional operation may not be performed. For example, according to various embodiments of the present disclosure, when the user bends the flexible device, a corresponding operation may be performed if the force of a pressure greater than or equal to a preset pressure is applied and bending is performed at an angle greater than or equal to a preset angle (e.g., an angle greater than or equal to the angles shown in  FIGS. 11C and 11D ). If the force of the pressure greater than or equal to the preset pressure is not applied or bending is not performed at the angle greater than or equal to the preset angle, the flexible device may recognize the bending as a general touch input rather than as bending. 
       FIG. 12  shows an example of a flexible device that is bendable forward and backward in the flat state, and  FIG. 13  shows an example of a flexible device bendable only in one direction in the flat state. 
       FIG. 12  illustrates identification of a bending direction according to various embodiments of the present disclosure. Referring to  FIG. 12 , the flexible device may not perform an operation in the flat state and may perform a preset operation when being bent in one direction. According to various embodiments of the present disclosure, the flexible device may perform an operation corresponding to bending in the direction when being bent in a particular direction (a first direction), and the flexible device may perform an operation corresponding to bending in a direction opposite to the particular direction (a second direction) when being bent in the opposite direction. 
       FIG. 13  illustrates identification of a bending direction according to various embodiments of the present disclosure. Referring to  FIG. 13 , the flexible device may perform a preset operation in the flat state when being bent in any one direction by the user. According to various embodiments of the present disclosure, when the flexible device returns to the flat state from the bending state corresponding to the bending, the bending is determined as bending in the opposite direction and a function corresponding to the bending in the opposite direction may be performed. 
       FIG. 14  illustrates identification of a bending strength according to various embodiments of the present disclosure. Referring to  FIG. 14 , when the flexible device is bent according to various embodiments of the present disclosure, the flexible device may be controlled in different levels corresponding to the pressure of a force applied to the flexible device by the user or a bending angle of the flexible device. For example, as shown in  FIG. 14 , when the flexible device in the flat state is bent by force applied thereto, a case where the flexible device is bent by c and a case where the flexible device is bent by d may be processed differently. According to various embodiments of the present disclosure, control corresponding to bending may be faster, deeper, stronger, or greater in d than c. For example, according to various embodiments of the present disclosure, the degree of control in navigation, movement, control, zoom, and so forth may be applied differently in proportion to the degree of bending. 
       FIG. 15  illustrates an example of operation implementation in a flexible device according to various embodiments of the present disclosure. Referring to  FIG. 15 , various operations corresponding to bending interaction may be performed. 
     As illustrated in  FIG. 15 , for a screen displayed on a display, an operation corresponding to bending interaction according to various embodiments of the present disclosure may be implemented. A reference point for content control or navigation may set the center of the screen displayed on the display by default, and the reference point may be provided as a visual cue on the screen. 
     Referring to  FIG. 15 , when the user holding the flexible device with both hands bends the flexible device by applying force on the left hand as shown in the left-upper side of  FIG. 15 , the displayed screen as indicated by (2) moves to the right and thus the screen as indicated by (1) may be displayed. When the user holding the flexible device with both hands bends the flexible device by applying force on the right hand as shown in the right-upper side of  FIG. 15 , the displayed screen as indicated by (2) moves to the right and thus the screen as indicated by (3) may be displayed. 
     According to various embodiments of the present disclosure, in case of flick down or touch and move down on the illustrated screen, the reference point displayed on the screen may move up. In case of flick up or touch and move up on the illustrated screen, the reference point displayed on the screen may move down. 
     Referring to  FIGS. 16 to 24 , a description will be made of examples of operations for respective contents applied according to various embodiments of the present disclosure. 
       FIG. 16  illustrates an example of operation implementation applied to 3D view in a flexible device according to various embodiments of the present disclosure. Referring to  FIG. 16 , when 2D content is displayed on the screen of the flexible device, if the user slightly bends and then releases the flexible device, a 2D mode may be changed to a 3D mode (step a), and if the user bends the flexible device again and holds the flexible device, then a preset control function may be performed (step b). 
     According to various embodiments of the present disclosure, if the flexible device is bent and then is held when 2D content is displayed on the screen of the flexible device, the 2D mode may be changed to the 3D mode and at the same time, a corresponding control function set in the 3D mode may be immediately performed (directly enter step b). 
     More specifically, referring to  FIG. 16 , when 2D content is displayed on the screen of the flexible device, if the user slightly bends and then releases the flexible device, the 2D mode may be changed to the 3D mode (step a). In the 3D mode changed from the 2D mode, when the user slightly bends and then releases the flexible device, the 3D mode may be changed to a street view. 
     When the user continuously bends forward the flexible device in the 3D mode, the screen may move in the moving direction, that is, forward, and the speed of movement in the moving direction may be increased in proportion to the bending degree. When the user continuously bends backward the flexible device in the 3D mode, the screen may move in the opposite direction and the speed of movement in the opposite direction may be increased in proportion to the bending degree. 
     According to various embodiments of the present disclosure, when the user bends the flexible device in the 3D mode by continuously applying force to the left side of the flexible device, then the viewpoint of the screen may rotate left; when the user bends the flexible device by continuously applying force to the right of the flexible device, then the viewpoint of the screen may rotate right. The speed of rotation may also be increased in proportion to the strength of the force applied to the left or the right or the bending degree. 
       FIG. 17  illustrates an example of operation implementation applied to a map application in a flexible device according to various embodiments of the present disclosure. Referring to  FIG. 17 , as described with reference to  FIG. 16 , various embodiments of the present disclosure may be applied to a map application where 2D content and 3D content may be provided together. 
     For example, when the map application is executed in the flexible device, a map may be displayed on a 2D view screen as shown in the leftmost side of  FIG. 17 . A current position may be displayed in the center of the map. According to various embodiments of the present disclosure, when the user holds, slightly bends, and then releases the flexible device on the 2D view screen (for example, bends the flexible device by a preset angle or more and then bends out the flexible device within a preset time), then the 2D view screen may be switched to a 3D view screen. When the user slightly bends and then releases the flexible device on the 3D view screen, then the 3D view screen may be switched to the street view. When the user slightly bends and then releases the flexible device on the street view screen, then the street view screen may be switched to the 2D view screen or the 3D view screen. 
     When the user bends the bent flexible device forward by continuously applying force to the bent flexible device after mode switch by bending the flexible device, the screen may move forward along the moving direction. When the user bends the bent flexible device backward by continuously applying force to the bent flexible device, the screen may move backward along the moving direction. 
     According to various embodiments of the present disclosure, when the user bends any one side of the flexible device (e.g., bends the flexible device by applying greater force on the right hand than on the left hand or on the left hand than on the right hand), the screen may rotate in a corresponding direction. 
       FIG. 18  illustrates a street view displayed on a flexible device according to various embodiments of the present disclosure. After the map application is executed on the flexible device as shown in  FIG. 17 , the street view mode may be executed as shown in  FIG. 18 . According to various embodiments of the present disclosure, the user bends the flexible device by applying force in a direction in the street view mode shown in  FIG. 18 , such that various functions may be provided. According to various embodiments of the present disclosure, various functions may be provided considering not only bending, but also bending direction, bending angle, bending duration, and a contact region touched by the user in the flexible device. 
       FIGS. 19 and 20  illustrate examples of operation implementation applied to street view in a flexible device according to various embodiments of the present disclosure.  FIG. 19  shows an operation in the landscape mode, and  FIG. 20  shows an operation in the portrait mode. 
     Referring to  FIG. 19 , in the landscape mode, when the flexible device is in the flat state, a street view may be displayed. According to various embodiments of the present disclosure, when the user holding the flexible device with both hands bends forward the flexible device by applying the greater force on the right hand, then the street view screen may rotate left. According to various embodiments of the present disclosure, when the user holding the flexible device with both hands bends forward the flexible device by applying the greater force on the left hand, then the street view screen may rotate right. 
     Referring to  FIG. 20 , in the portrait mode, when the flexible device is in the flat state, a street view may be displayed. According to various embodiments of the present disclosure, when the user holding the flexible device with both hands bends forward the flexible device by applying the greater force on the hand holding the lower part of the flexible device, then the street view screen may rotate upward. According to various embodiments of the present disclosure, when the user holding the flexible device with both hands bends forward the flexible device by applying the greater force on the hand holding the upper part of the flexible device, then the street view screen may rotate downward. 
     According to various embodiments of the present disclosure, in the street view mode shown in  FIGS. 18 to 20 , various functions may correspond to various operations interacting with the flexible device as shown in Table 1. 
     
       
         
           
               
               
               
             
               
                 TABLE 1 
               
               
                   
               
               
                 Street view function 
                 Touch input 
                 Bending input 
               
               
                   
               
             
            
               
                 View upward (90 
                 Vertical swipe - up 
                 Bending lower part of device - rotate upward by up 
               
               
                 degrees) 
                   
                 to 90 degrees based on bending angle (maximum 
               
               
                   
                   
                 of 90 degrees) 
               
               
                 View downward (90 
                 Vertical swipe - 
                 Bending upper part of device - rotate downward by 
               
               
                 degrees) 
                 down 
                 up to 90 degrees based on bending angle 
               
               
                   
                   
                 (maximum of 90 degrees) 
               
               
                 View in the left 
                 Horizontal swipe - 
                 Bending right side of device - rotate left up to 180 
               
               
                 direction (360 
                 from left 
                 degrees based on bending angle (maximum of 180 
               
               
                 degrees) 
                   
                 degrees) 
               
               
                 View in the right 
                 Horizontal swipe - 
                 Bending left side of device - rotate right up to 90 
               
               
                 direction (360 
                 from right 
                 degrees based on bending angle (maximum of 90 
               
               
                 degrees) 
                   
                 degrees) 
               
               
                 Move forward 
                 Tap arrow button 
                 Slightly bend by threshold angle or more within N 
               
               
                   
                   
                 seconds and then bend out - move forward a 
               
               
                   
                   
                 specific distance 
               
               
                   
                   
                 Hold bending by threshold angle or more - 
               
               
                   
                   
                 Continue moving forward (moving forward is 
               
               
                   
                   
                 stopped if bent out) 
               
               
                 Move Backward 
                 None (turn around 
                 Execute set function (slight bend out by threshold 
               
               
                   
                 the back by 
                 angle or more within N seconds and then bend) 
               
               
                   
                 left-right view and 
               
               
                   
                 then tap arrow) 
               
               
                 Move to the left/the 
                 Tap arrow button 
                 Slightly bend and then bend out - rotate left/right 
               
               
                 right 
               
               
                   
               
            
           
         
       
     
       FIG. 21  illustrates an example of operation implementation applied to street view in a flexible device according to various embodiments of the present disclosure. Referring to  FIG. 21 , the map application is executed in the flexible device, and the street view screen may be displayed on the screen. 
     As shown in (a), when there are various moving directions or there is no closest direction to the center, a separate indicator may not be shown. When the user bends the flexible device forward while holding the flexible device, by further applying force on the right hand in a screen shown in (a), then the screen may move to the left like the screen shown in (b) so that the user&#39;s eyes may be on the right side. When the user bends the flexible device forward while holding the flexible device, by further applying force on the left hand in the screen shown in (a), then the screen may move to the right like the screen shown in (d) so that the user&#39;s eyes may be on the left side. 
     According to various embodiments of the present disclosure, when the user bends the flexible device forward while holding the flexible device, by applying the same or similar force on both hands in the screen shown in (b) or (d), then the screen may move forward as in the screen shown in (c) or (e), respectively. 
       FIG. 22  illustrates an example of operation implementation applied to VR in a flexible device according to various embodiments of the present disclosure. Referring to  FIG. 22 , when the VR application is executed in the flexible device, the VR screen may be displayed on the screen. According to various embodiments of the present disclosure, when the user bends the flexible device forward while holding the flexible device with both hands, by applying the same or similar force on both hands, then a preset function may be executed. For example, when the user flicks down both hands while bending the flexible device forward in a screen shown in (a), the user&#39;s eyes may move up with respect to the center of the screen so that the screen as shown in (b) may be displayed. When the user flicks up both hands while bending the flexible device forward in the screen shown in (b), the user&#39;s eyes may move down with respect to the center of the screen so that the screen as shown in (c) may be displayed. 
     According to various embodiments of the present disclosure, when the user bends the flexible device while holding the flexible device with both hands, by applying the greater force on either hand, then a preset function may be executed. For example, when the user flicks down both hands while bending the flexible device forward by applying the greater force on the left hand holding the flexible device, the user&#39;s eyes may move to the left-upper side with respect to the center of the screen so that the screen as shown in (d) may be displayed. When the user bends the flexible device forward by applying the same or similar force on both hands holding the flexible device in the screen as shown in (d), then the screen is zoomed in so that the screen as shown in (e) may be displayed. 
       FIGS. 23 and 24  illustrate examples of operation implementation applied to 360-degree content in a flexible device according to various embodiments of the present disclosure. Referring to  FIGS. 23 and 24 , when a 360-degree content play application is executed in the flexible device, functions according to various embodiments of the present disclosure may be provided. When the user plays the 360-degree content of images captured previously in a 360-degree direction, then the user may view the screen in the 360-degree direction according to user&#39;s direction control while playing content. The 360-degree content may, when played, allow the user to navigate the screen as the user changes the direction. Once the 360-degree content is played, navigation may automatically start along a default route. For example, the content may be displayed as the viewpoint of the screen moves forward along the default route. 
     Referring to  FIG. 23 , 360-degree content may be played and a screen may be displayed as automatically moving along the default route as shown in a screen (a). According to various embodiments of the present disclosure, when the user bends the flexible device forward by further applying force on the right hand holding the flexible device, play of the content may be paused and a left-view function may be executed. According to various embodiments of the present disclosure, in the state where the play is paused, when the bends the flexible device forward by further applying force on the left hand holding the flexible device, a right-view function may be executed. 
     In the state where the play is paused as shown in a screen (b), when the user vertically swipes down, an up-view function may be executed according to a swipe direction as shown in a screen (c). 
     According to various embodiments of the present disclosure, when the flexible device is slightly bent by a threshold angle or more within N seconds as shown in screen (c), an auto-play function may be executed as shown in a screen (d). In screen (d), after the upward viewpoint of the user is automatically changed to forward/backward movement region, the screen may move forward. 
     According to various embodiments of the present disclosure, when the user bends the flexible device forward by further applying force on the left hand holding the flexible device in screen (d), play of the content may be paused and a right-view function may be executed as shown in a screen (e). According to various embodiments of the present disclosure, in the state where the play is paused, when the bends the flexible device forward by further applying force on the right hand holding the flexible device, a left-view function may be executed. 
     In the state where the play is paused as shown in screen (e), when the user vertically swipes up, a down-view function may be executed according to a swipe direction as shown in screen (f). 
     According to various embodiments of the present disclosure, when the flexible device is completely bent for N seconds or more in screen (f), navigation returns to the initial point as shown in a screen (g). 
     Referring to  FIG. 24 , 360-degree content may be played and a screen may be displayed as automatically moving along the default route as shown in a screen (a). According to various embodiments of the present disclosure, when the user slightly bends the flexible device for a threshold angle or more within preset N seconds by applying force on both hands holding the flexible device, and then maintains the bending state during N seconds, then play is paused stopped and a forward indication arrow may be changed to a backward indication arrow as shown in a screen (b), and a haptic feedback may also be provided together. According to various embodiments of the present disclosure, in the state where the play is paused, when the flexible device is bent out and thus becomes flat, then the content may be played to automatically move backward as shown in a screen (c). In the state where the content is played while moving backward, when bending the flexible device by the threshold angle or more is maintained, then the content may be played, continuing moving backward. 
     According to various embodiments of the present disclosure, when the flexible device is slightly bent by a threshold angle or more within N seconds as shown in screen (a), an auto-play function may be executed as shown in screen (d). 
     According to various embodiments of the present disclosure, for 360-degree content shown in  FIGS. 23 and 24 , various functions may correspond to various operations interacting with the flexible device as shown in Table 2. 
     
       
         
           
               
               
               
             
               
                 TABLE 2 
               
               
                   
               
               
                 360-degree view function 
                 Touch input 
                 Bending input 
               
               
                   
               
             
            
               
                 View upward (90 degrees) 
                 Vertical swipe - up 
                 Bending by applying force to lower side 
               
               
                   
                   
                 of device - rotate left 
               
               
                 View downward (90 degrees) 
                 Vertical swipe - down 
                 Bending by applying force to upper side 
               
               
                   
                   
                 of device - rotate right 
               
               
                 View in the left direction 
                 Horizontal swipe - from 
                 Bending by applying force to the right - 
               
               
                 (360 degrees) 
                 left 
                 rotate left 
               
               
                 View in the right direction 
                 Horizontal swipe - from 
                 Bending by applying force to the left - 
               
               
                 (360 degrees) 
                 right 
                 rotate right 
               
               
                 Move forward 
                 Tap arrow button 
                 Hold bending by threshold angle or more - 
               
               
                   
                   
                 Continue moving forward (moving 
               
               
                   
                   
                 forward is stopped if bent out) 
               
               
                 Move backward 
                 Tap arrow button 
                 Hold bending by threshold angle or more - 
               
               
                   
                   
                 Continue moving forward (moving 
               
               
                   
                   
                 forward is stopped if bent out) 
               
               
                 Hold current viewing without 
                 Grip by touching both 
                 Bend in particular direction and then 
               
               
                 changing viewing 
                 surfaces of device 
                 bend out into flat state 
               
               
                 Automatically change 
               
               
                 viewpoint of up/down 
               
               
                 direction to 
               
               
                 forward/backward-movement 
               
               
                 region and then move 
               
               
                 forward 
               
               
                 Return to initial point of 
                   
                 Completely bend and then bend out after 
               
               
                 navigation 
                   
                 elapse of a specific time 
               
               
                   
               
            
           
         
       
     
     Operations for various content shown in  FIGS. 15 to 24  may be as shown in Table 3, but various embodiments of the present disclosure are not limited thereto. 
     
       
         
           
               
               
               
               
               
               
             
               
                 TABLE 3 
               
               
                   
               
               
                 Content type 
                 2D 
                 3D 
                 360-degree VR 
                 VR 
                 Remote view 
               
               
                   
               
             
            
               
                   
               
            
           
           
               
               
               
               
               
               
            
               
                 Map 
                 2D-view map 
                 3D-view map 
                 — 
                 Street-view map 
                 — 
               
               
                 image/picture 
                 2D view image 
                 — 
                 360-degree picture 
                 — 
                 — 
               
               
                 VR 
                 2D library preview 
                 — 
                 — 
                 VR library view 
                 — 
               
               
                 Remote view 
                 — 
                 — 
                 — 
                 — 
                 Remote view (2D) 
               
            
           
           
               
               
               
               
               
               
               
            
               
                 Interaction 
                 Fold then Release/Bend 
                 Switch to 
                 Switch to 
                 1. No action 
                 1. No action 
                 1. No action 
               
               
                   
                 then Release 
                 3D/360-degree/VR 
                 360-degree/VR 
                 2. Switch to 2D 
                 2. Switch to 2D 
                 2. Switch to 2D 
               
               
                   
                 Interaction 
                 Zoom in/out 
                 Move 
                 Zoom in/out 
                 Move 
                 1. Zoom in/out 
               
               
                   
                 Fold &amp; Hold/Bend &amp; 
                   
                 Forward/Backward 
                   
                 Forward/Backward 
                 2. Move 
               
               
                   
                 Hold (Center) 
                   
                 with respect to 
                   
                 with respect to 
                 Forward/Backward 
               
               
                   
                   
                   
                 Current Viewpoint 
                   
                 Current Viewpoint 
                 with respect to 
               
               
                   
                   
                   
                   
                   
                 (Move in Z axis) 
                 Current Viewpoint 
               
               
                   
                 Interaction 
                 Zoom in/out 
                 Move by Rotation 
                 Rotate with respect 
                 Move by Rotation 
                 1. Rotate with respect 
               
               
                   
                 Fold &amp; Hold/Bend &amp; 
                 with respect to 
                 with respect to 
                 to Folded/Bent 
                 with respect to 
                 to Folded/2. Bent 
               
               
                   
                 Hold (Left/Right 
                 Folded/Bent 
                 Folded/Bent 
                 Position and 
                 Folded/Bent 
                 Position and 
               
               
                   
                 or Up/Down) 
                 Position 
                 Position 
                 Change Viewing 
                 Position 
                 Change Viewing 
               
               
                   
                   
                   
                   
                 Region 
                   
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                 2. Move by Rotation 
               
               
                   
                   
                   
                   
                   
                   
                 with respect to 
               
               
                   
                   
                   
                   
                   
                   
                 Folded/Bent Position 
               
               
                   
                 Interaction 
                 1. No action 
                 1. No action 
                 1. No action 
                 1. No action 
                 1. No action 
               
               
                   
                 Unfold/Flat 
                 2. Switch to 2D 
                 2. Switch to 2D 
                 2. Switch to 2D 
                 2. Switch to 2D 
                 2. Switch to 2D 
               
               
                 Additional 
                 Tap, Tap &amp; Hold 
                 No action 
                 No action 
                 No action 
                 No action 
                 No action 
               
               
                 Interaction 
                 Additional 
                 No action 
                 No action 
                 No action 
                 No action 
                 No action 
               
               
                   
                 Interaction 
               
               
                   
                 Force touch 
               
            
           
           
               
               
               
               
            
               
                   
                 Additional 
                 N/A 
                 1. Move/Rotate 
               
               
                   
                 Interaction 
                   
                 2. Move viewpoint in Corresponding Direction/Rotate 
               
               
                   
                 Flick 
               
            
           
           
               
               
               
               
               
               
               
            
               
                   
                 Additional 
                 No action 
                 Zoom in/out 
                 Zoom in/out 
                 Zoom in/out 
                 Zoom in/out 
               
               
                   
                 Interaction 
               
               
                   
                 2 finger 
               
               
                   
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                 Additional 
               
               
                   
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       FIG. 25  illustrates a network environment according to various embodiments of the present disclosure. Referring to  FIG. 25 , an electronic device  2501  in a network environment  2500  according to various embodiments of the present disclosure is disclosed. The electronic device  2501  may include the entire electronic device illustrated in  FIG. 1  or a part of the electronic device illustrated in  FIG. 2 . The electronic device  2501  may include at least one of a bus  2510 , a processor  2520 , a memory  2530 , an input/output (I/O) interface  2550 , a display  2560 , a communication interface  2570 , or a bending determining module  2580 . According to some embodiments, the electronic device  2501  may omit at least one of the foregoing elements or may further include other elements. 
     The bus  2510  may include a circuit for connecting, e.g., the elements  2510  to  2580  and delivering communication (e.g., a control message and/or data) between the elements  2510  to  2580 . 
     The processor  2520  may include one or more of a central processing unit (CPU), an application processor (AP), and a communication processor (CP). The processor  2520  performs operations or data processing for control and/or communication of, for example, at least one other elements of the electronic device  2501 . 
     The memory  2530  may include a volatile and/or nonvolatile memory. The memory  2530  may store, for example, commands or data associated with at least one other elements of the electronic device  2501 . According to an embodiment of the present disclosure, the memory  2530  may store software and/or a program  2540 . The program  2540  may include at least one of, for example, a kernel  2541 , middleware  2543 , an application programming interface (API)  2545 , and/or an application program (or “application”)  2547 , and the like. At least a part of the kernel  2541 , the middleware  2543 , or the API  2545  may be referred to as an operating system (OS). 
     The kernel  2541  may control or manage, for example, system resources (e.g., the bus  2510 , the processor  2520 , the memory  2530 , etc.) used to execute operations or functions implemented in other programs (e.g., the middleware  2543 , the API  2545 , or the application program  2547 ). The kernel  2541  provides an interface through which the middleware  2543 , the API  2545 , or the application program  2547  accesses separate components of the electronic device  2501  to control or manage the system resources. 
     The middleware  2543  may work as an intermediary for allowing, for example, the API  2545  or the application program  2547  to exchange data in communication with the kernel  2541 . The middleware  2543  may perform control (e.g., scheduling or load balancing) with respect to task requests received from the application program  2547  by assigning a priority to at least one of the application program  2547 , which makes it possible to use a system resource (e.g., the bus  2510 , the processor  2520 , the memory  2530 , or the like) of the electronic device  2501 . 
     The API  2545  is an interface used for the application  2547  to control a function provided by the kernel  2541  or the middleware  2543 , and may include, for example, at least one interface or function (e.g., an instruction) for file control, window control, image processing, character control, or the like. 
     The I/O interface  2550  serves as an interface for delivering a command or data input from a user or another external device to other component(s)  11  through  17  of the electronic device  2501 . The I/O interface  2550  may also output a command or data received from other component(s)  11  through  17  of the electronic device  2501  to a user or another external device. 
     The display  2560  may be a means for displaying a luminance or chrominance-adjusted screen according to various embodiments of the present disclosure, and may include, for example, a liquid crystal display (LCD), a light emitting diode (LED) display, an organic LED (OLED) display, a microelectromechanical system (MEMS) display, or an electronic paper display. The display  2560  may display, for example, various contents (e.g., a text, an image, video, an icon, a symbol, etc.) to the user. The display  2560  may include a touch screen, and receives a touch, a gesture, proximity, or a hovering input, for example, by using an electronic pen or a part of a body of a user. 
     The communication interface  2570  establishes communication between the electronic device  2501  and an external device (e.g., a first external electronic device  2502 , a second external electronic device  2504 , or a server  2506 ). For example, the communication interface  2570  may be connected to a network  2562  through wireless communication or wired communication to communicate with an external device (e.g., the second external electronic device  2504  or the server  2506 ). The communication interface  2570  may directly communicate with the external device (e.g., the first external electronic device  2502 ) through wireless communication or wired communication  2564 . In the following embodiments, when the electronic device  2501  is a flexible device, the first external electronic device  2502  may be a wearable device. For example, according to various embodiments of the present disclosure, the flexible device and the wearable device may transmit and receive information related to bending to and from each other by communicating each other. 
     The wireless communication may use, as a cellular communication protocol, for example, at least one of Long Term Evolution (LTE), LTE-Advanced (LTE-A), Code Division Multiple Access (CDMA), Wideband CDMA (WCDMA), a Universal Mobile Telecommunication System (UMTS), Wireless Broadband (WiBro), or Global System for Mobile Communications (GSM)). The wired communication may include, for example, at least one of USB, a high definition multimedia interface (HDMI), recommended standard232 (RS-232), and a plain old telephone service (POTS). The network  2562  may include a telecommunications network, for example, at least one of a computer network (e.g., a local area network (LAN) or a wide area network (WAN)), Internet, and a telephone network. 
     Each of the first external electronic device  2502  and the second external electronic device  2504  may be a device of the same type as or a different type than the electronic device  2501 . According to an embodiment, the server  2506  may include a group of one or more servers. According to various embodiments of the present disclosure, some or all of operations performed by the electronic device  2501  may be performed in another electronic device or a plurality of electronic devices (e.g., the electronic device  2502  or  2504 , or the server  2506 ). According to an embodiment of the present disclosure, when the electronic device  2501  has to perform a function or a service automatically or at a request, the electronic device  2501  may request another device (e.g., the electronic devices  2502  or  2504  or the server  2506 ) to perform at least some functions associated with the function or the service instead of or in addition to executing the function or the service. The another electronic device (e.g., the electronic device  2502  or  2504  or the server  2506 ) may execute the requested function or additional function and deliver the execution result to the electronic device  2501 . The electronic device  2501  may then process or further process the received result to provide the requested function or service. To that end, a cloud computing, distributed computing, or client-server computing technology may be used, for example. 
     Although the electronic device  2501  is illustrated as communicating with the external electronic device  2504  or the server  2506  through the network  2562  by including the communication interface  2570  in  FIG. 25 , the electronic device  2501  may also be implemented as operating independently in the electronic device  2501  without a separate communication function according to various embodiments of the present disclosure. 
     The bending determining module  2580  processes at least a part of information obtained from other elements (e.g., the processor  2520 , the memory  2530 , the I/O interface  2550 , the communication interface  2570 , and so forth) and provides the same to the user in various ways. 
     For example, the bending determining module  2580  may determine the bending information of the flexible device  2501  according to various embodiments of the present disclosure. The bending information may be determined from information sensed by at least one bending detecting sensor. The bending detecting sensor may be implemented in various forms, and may include, for example, at least one strain gauge. 
     According to various embodiments of the present disclosure, bending information determined by the bending determining module  2580  may include at least one selected from among bending or non-bending, bending angle, bending position, bending direction, bending speed, bending duration, bending strength, or the number of bends, but various embodiments of the present disclosure are not limited thereto. At least some functions of the bending determining module  2580  may be included in the processor  2520 . 
     In  FIG. 25 , the bending determining module  2580  is illustrated as a module that is separate from the processor  2520 , but at least a part of the bending determining module  2580  may be implemented as being included in the processor  2520  or at least one another module (e.g., a separate sensor or touch sensor), and all functions of the bending determining module  2580  may be implemented as being included in the processor  2520  or another processor. 
       FIG. 26  is a block diagram  2600  of an electronic device  2601  according to various embodiments of the present disclosure. The electronic device  2601  may include the entire electronic device illustrated in  FIG. 1  or  FIG. 25  or a part thereof. The electronic device  2601  may include one or more application processors (APs)  2610 , a communication module  2620 , a subscriber identification module (SIM) card  2624 , a memory  2630 , a sensor module  2640 , an input device  2650 , a display  2660 , an interface  2670 , an audio module  2680 , a camera module  2691 , a power management module  2695 , a battery  2696 , an indicator  2697 , and a motor  2698 . 
     The AP  2610  controls multiple hardware or software components connected to the AP  2610  by driving an operating system (OS) or an application program, and performs processing and operations with respect to various data. The AP  2610  may be implemented with, for example, a system on chip (SoC). According to an embodiment, the server  2610  may further include a GPU and/or an image signal processor. The AP  2610  may include at least some of the elements illustrated in  FIG. 19  (e.g., the cellular module  2621 ). The processor  2610  loads a command or data received from at least one of other elements (e.g., a non-volatile memory) into a volatile memory to process the command or data, and stores various data in the non-volatile memory. 
     The communication module  2620  may include, for example, the cellular module  2621 , a WiFi module  2623 , a Bluetooth (BT) module  2625 , a GPS module  2627 , a near field communication (NFC) module  2628 , and a radio frequency (RF) module  2629 . 
     The cellular module  2621  may provide, for example, a voice call, a video call, a text service, or an Internet service over a communication network. According to an embodiment, the cellular module  2621  identifies and authenticates the electronic device  2601  in a communication network by using the SIM (e.g., a SIM card)  2624 . According to an embodiment, the cellular module  2621  performs at least some of functions that may be provided by the AP  2610 . According to an embodiment, the cellular module  2621  may include a communication processor (CP). 
     Each of the WiFi module  2623 , the BT module  2625 , the GPS module  2627 , and the NFC module  2628  may include a processor for processing data transmitted and received by a corresponding module. According to some embodiment, at least some (e.g., two or more) of the cellular module  2621 , the WiFi module  2623 , the BT module  2625 , the GPS module  2627 , and the NFC module  2628  may be included in one integrated chip (IC) or IC package. 
     The RF module  2629  may, for example, transmit and receive a communication signal (e.g., an RF signal). The RF module  2629  may include a transceiver, a power amp module (PAM), a frequency filter, a low noise amplifier (LNA), or an antenna. According to another embodiment, at least one of the cellular module  2621 , the WiFi module  2623 , the BT module  2625 , the GPS module  2627 , and the NFC module  2628  may transmit and receive an RF signal through the separate RF module  229 . 
     The SIM card  2624  may include, for example, a card including a SIM and/or an embedded SIM, and may include unique identification information (e.g., an integrated circuit card identifier (ICCID) or subscriber information (e.g., an international mobile subscriber identity (IMSI)). 
     The memory  2630  (e.g., the memory  2530 ) may, for example, include an internal memory  2632  and/or an external memory  2634 . The internal memory  2632  may, for example, include at least one of a volatile memory (e.g., dynamic random-access memory (DRAM), static RAM (SRAM), synchronous dynamic RAM (SDRAM), etc.), and a non-volatile memory (e.g., one time programmable read only memory (OTPROM), programmable ROM (PROM), erasable and programmable ROM (EPROM), electrically erasable and programmable ROM (EEPROM), etc.), mask ROM, flash ROM, NAND flash memory, NOR flash memory, etc.), and a solid-state drive (SSD). 
     The external memory  2634  may further include flash drive, for example, compact flash (CF), secure digital (SD), micro-SD, mini-SD, extreme Digital (xD), a multi-media card (MMC), or a memory stick. The external memory  2634  may be functionally and/or physically connected with the electronic device  2601  through various interfaces. 
     The sensor module  2640  measures physical quantity or senses an operation state of the electronic device  2601  to convert the measured or sensed information into an electric signal. The sensor module  2640  may, for example, include at least one of a gesture sensor  2640 A, a gyro sensor  2640 B, a pressure sensor  2640 C, a magnetic sensor  2640 D, an accelerometer  2640 E, a grip sensor  2640 F, a proximity sensor  2640 G, a color sensor (e.g., RGB sensor)  2640 H, a biometric sensor  26401 , a temperature/humidity sensor  2640 J, an illumination sensor  2640 K, and a ultraviolet (UV) sensor  2640 M. Additionally or alternatively, the sensor module  2640  may include an E-nose sensor (not shown), an electromyography (EMG) sensor (not shown), an electroencephalogram (EEG) sensor (not shown), an electrocardiogram (ECG) sensor (not shown), an infrared (IR) sensor, an iris sensor, and/or a fingerprint sensor. The sensor module  2640  may further include a control circuit for controlling at least one sensor included therein. In some embodiment, the electronic device  2601  may further include a processor configured to control the sensor module  2640  as part of or separately from the AP  2610 , to control the sensor module  2640  during a sleep state of the AP  2610 . 
     The input device  2650  may include, for example, a touch panel  2652 , a (digital) pen sensor  2654 , a key  2656 , or an ultrasonic input device  2658 . The touch panel  2652  may use at least one of a capacitive type, a resistive type, an IR type, or an ultrasonic type. The touch panel  2652  may further include a control circuit. The touch panel  2652  may further include a tactile layer to provide tactile reaction to the user. 
     The (digital) pen sensor  2654  may include a recognition sheet which is a part of the touch panel or a separate recognition sheet. The key  2656  may also include a physical button, an optical key, or a keypad. The ultrasonic input device  2658  senses sound waves through a microphone (e.g., the microphone  2688 ) of the electronic device  2601  using an input means that generates an ultrasonic signal, thereby checking data. 
     The display  2660 ) may include a panel  2662 , a hologram device  2664 , or a projector  2666 . The panel  2662  may be implemented to be flexible, transparent, or wearable. The panel  2662  may be configured with the touch panel  2652  in one module. The hologram device  2664  shows a stereoscopic image in the air by using interference of light. The projector  2666  displays an image through projection of light onto a screen. The screen may be positioned inside or outside the electronic device  2601 . According to an embodiment, the display  2660  may further include a control circuit for controlling the panel  2662 , the hologram device  2664 , or the projector  2666 . 
     According to an embodiment, the interface  2670  may include an HDMI  2672 , a USB  2674 , an optical interface  2676 , or a D-subminiature (D-sub)  2678 . Additionally or alternatively, the interface  2670  may include, for example, a mobile high-definition link (MHL) interface, an SD card/MMC interface, or an Infrared Data Association (IrDA) standard interface. 
     The audio module  2680  bi-directionally converts sound and an electric signal. The audio module  2680  processes sound information input or output through the speaker  2682 , the receiver  2684 , the earphone  2686 , or the microphone  2688 . 
     The camera module  2691  is, for example, a device capable of capturing a still image or a moving image, and according to an embodiment, may include one or more image sensors (e.g., a front sensor or a rear sensor), a lens, an image signal processor (ISP), or a flash (e.g., an LED or a xenon lamp). 
     The power management module  2695  manages power of the electronic device  2601 . According to an embodiment, the power management module  2695  may include a power management integrated circuit (PMIC), a charger IC, or a battery fuel gauge. The PMIC may have a wired and/or wireless charging scheme. The wireless charging scheme includes a magnetic-resonance type, a magnetic induction type, and an electromagnetic type, and for wireless charging, an additional circuit, for example, a coil loop, a resonance circuit, or a rectifier may be further included. The battery gauge measures the remaining capacity of the battery  2696  or the voltage, current, or temperature of the battery  1696  during charging. The battery  2696  may include a rechargeable battery or a solar battery. 
     The indicator  2697  displays a particular state, for example, a booting state, a message state, or a charging state, of the electronic device  2601  or a part thereof (e.g., the AP  2610 ). The motor  2698  converts an electric signal into mechanical vibration or generates vibration or a haptic effect. Although not shown, the electronic device  2601  may include a processing device (e.g., a GPU) for supporting a mobile TV. The processing device for supporting the mobile TV processes media data according to, a standard such as digital multimedia broadcasting (DMB), digital video broadcasting (DVB), or mediaFlo™. 
     Each of the foregoing elements of the electronic device may be configured with one or more components, names of which may vary with a type of the electronic device. In various embodiments, the electronic device may include at least one of the foregoing elements, some of which may be omitted or to which other elements may be added. In addition, some of the elements of the electronic device according to various embodiments may be integrated into one entity to perform functions of the corresponding elements in the same manner as before they are integrated. 
       FIG. 27  is a block diagram  2700  of a programming module  2710  according to various embodiments of the present disclosure. According to an embodiment, the programming module  2710  may include an OS for controlling resources associated with an electronic device (e.g., the electronic device) and/or various applications (e.g., an application program) executed on the OS. The OS may include, for example, Android™, iOS™, Windows™, Symbian™, Tizen™, Bada™ or the like. 
     The programming module  2710  may include, for example, a kernel  2720 , middleware  2730 , an API  2760 , and/or an application  2770 . At least a part of the programming module  2710  may be preloaded on an electronic device or may be downloaded from a server. 
     The kernel  2720  may include a system resource manager  2721  or a device driver  2723 . The system resource manager  2721  may perform control, allocation, retrieval of system resources, and so forth. According to an embodiment, the system resource manager  2721  may include a process management unit, a memory management unit, a file system management unit, or the like. The device driver  2723  may include, for example, a display driver, a camera driver, a Bluetooth driver, a shared memory driver, a USB driver, a keypad driver, a WiFi driver, an audio driver, or an inter-process communication (IPC) driver. 
     The middleware  2730  may provide functions that the application  2770  commonly requires or provide various functions to the application  2770  through the API  2760  to allow the application  2770  to efficiently use a limited system resource in the electronic device. According to an embodiment, the middleware  2730  may include at least one of a runtime library  2735 , an application manager  2741 , a window manager  2742 , a multimedia manager  2743 , a resource manager  2744 , a power manager  2745 , a database manager  2746 , a package manager  2747 , a connectivity manager  2748 , a notification manager  2749 , a location manager  2750 , a graphic manager  2751 , and a security manager  2752 . 
     The runtime library  2735  may include a library module that a compiler uses to add a new function through a programming language while the application  2770  is executed. The runtime library  2735  performs functions relating to input/output management, memory management, or an arithmetic function. 
     The application manager  2741  may manage a life cycle of at least one application among the applications  2770 . The window manager  2742  manages a GUI resource used in a screen. The multimedia manager  2743  recognizes a format necessary for playing various media files and performs encoding or decoding on a media file by using a codec appropriate for a corresponding format. The resource manager  2744  manages a resource such as a source code, a memory, or a storage space of at least one application among the applications  2770 . 
     The power manager  2745  manages a battery or power, for example, in operation with a basic input/output system (BIOS) and provides power information necessary for an operation of the electronic device. The database manager  2746  generates, searches or changes a database used for at least one application among the applications  2770 . The package manager  2747  manages the installation or update of an application distributed in a package file format. 
     The connectivity manager  2748  manages a wireless connection such as a WiFi or Bluetooth connection. The notification manager  2749  displays or notifies events such as arrival messages, appointments, and proximity alerts in a manner that is not disruptive to a user. The location manager  2750  manages location information of the electronic device. The graphic manager  2751  manages a graphic effect to be provided to the user or a user interface relating thereto. The security manager  2752  provides a general security function necessary for system security, user authentication, etc. According to an embodiment, if the electronic device (e.g., the electronic device of  FIG. 8 ) has a call function, the middleware  2730  may further include a telephony manager for managing a voice or video call function of the electronic device. 
     The middleware  2730  may include a middleware module forming a combination of various functions of the above-mentioned elements. The middleware  2730  may provide modules specified according to types of an OS so as to provide distinctive functions. Additionally, the middleware  2730  may delete some of existing elements or add new elements dynamically. 
     The API  2760  may be provided as a set of API programming functions with a different configuration according to the OS. For example, in the case of Android or iOS, for example, one API set may be provided by each platform, and in the case of Tizen, two or more API sets may be provided. 
     The application  2770  may include one or more applications capable of providing a function, for example, a home application  2771 , a dialer application  2772 , a short messaging service/multimedia messaging service (SMS/MMS) application  2773 , an instant message (IM) application  2774 , a browser application  2775 , a camera application  2776 , an alarm application  2777 , a contact application  2778 , a voice dial application  2779 , an e-mail application  2780 , a calendar application  2781 , a media player application  2782 , an album application  2783 , a clock application  2784 , a health care application (e.g., an application for measuring an exercise amount, a blood sugar, etc.), or an environment information providing application (e.g., an application for providing air pressure, humidity, temperature information, etc.). 
     According to an embodiment, the application  2770  may include an application (hereinafter, an “information exchange application” for convenience) supporting information exchange between the electronic device (e.g., the electronic device of  FIG. 1, 25 , or  8 ) and an external electronic device. The information exchange application may include, for example, a notification relay application for transferring specific information to the external electronic device or a device management application for managing the external electronic device. 
     For example, the notification relay application may include a function for transferring notification information generated in another application (e.g., an SMS/MMS application, an e-mail application, a health care application, or an environment information application) of the electronic device to an external electronic device. The notification relay application may receive notification information from an external electronic device to provide the same to a user. The device management application may manage (e.g., install, remove, or update) at least one function (e.g., turn on/turn off of an external electronic device itself (or a part thereof) or control of brightness (or resolution) of a display) of an external device communicating with the electronic device, a service (e.g., a call service or a message service) provided by an application operating on the external electronic device or provided by the external electronic device. 
     According to an embodiment, the application  2770  may include an application (e.g., a health care application) set on the basis of an attribute (e.g., a mobile medical appliance as a type of the electronic device) of the external electronic device. According to an embodiment, the application  2770  may include an application received from the external electronic device. According to an embodiment, the application  2770  may include a preloaded application or a third-party application that may be downloaded from the server. Names of elements of the programming module  2710  according to the illustrated embodiment may vary depending on a type of an OS. 
     According to various embodiments, at least a part of the programming module  2710  may be implemented by software, firmware, hardware, or a combination of at least two of them. The at least a part of the programming module  2710  may be implemented (e.g., executed) by a processor (e.g., the processor  3310 ). The at least a part of the programming module  2710  may include, for example, modules, programs, routines, sets of instructions, or processes for performing one or more functions. 
     A term “module” or “functional unit” used herein may mean, for example, a unit including one of or a combination of two or more of hardware, software, and firmware. The “module” or “functional unit” may be interchangeably used with a unit, a logic, a logical block, a component, or a circuit. The “module” or “functional unit” may be a minimum unit or a portion of an integrated component. The “module” may be a minimum unit or part thereof, adapted to perform one or more functions. The “module” or “functional unit” may be implemented mechanically or electronically. For example, the “module” or “functional unit” may include at least one of an application-specific integrated circuit (ASIC) chip, field-programmable gate arrays (FPGAs), and a programmable-logic device performing certain operations already known or to be developed. 
     At least a part of an apparatus (e.g., modules or functions thereof) or a method (e.g., operations) according to various embodiments may be implemented with a command stored in a computer-readable storage medium in the form of a programming module. When the instructions are executed by one or more processors (for example, the processor  110  or  2520 ), the one or more processors may perform functions corresponding to the instructions. The computer-readable storage medium may be, for example, a memory included in the memory  2530 . 
     The computer-readable recording medium includes hard disk, floppy disk, or magnetic media (e.g., a magnetic tape, optical media (e.g., compact disc read only memory (CD-ROM) or digital versatile disc (DVD), magneto-optical media (e.g., floptical disk), a hardware device (e.g., ROM, RAM, flash memory, etc.), and so forth. Further, the program instructions may include a machine language code created by a complier and a high-level language code executable by a computer using an interpreter. The foregoing hardware device may be configured to be operated as at least one software module to perform an operation of the present disclosure, or vice versa. 
     Modules or programming modules according to various embodiments of the present disclosure may include one or more of the foregoing elements, have some of the foregoing elements omitted, or further include additional other elements. Operations performed by the modules, the programming modules or other elements according to various embodiments may be executed in a sequential, parallel, repetitive or heuristic manner. Also, some of the operations may be executed in different order or omitted, or may have additional different operations. 
     According to various embodiments, a storage medium has stored therein instructions that, when executed by at least one processor, cause the at least one processor to perform at least one operation including, in a method for operating a flexible device, determining bending information of the flexible device, sensing contact with respect to at least a part of the flexible device, determining attributes of each of at least one contact region corresponding to the sensed contact, and controlling a function of the flexible device based on the determined bending information and a change of attributes of the at least one contact region. 
     The embodiments disclosed in the present specification and drawings have been provided to easily describe the present disclosure and to help understanding of the present disclosure, and are not intended to limit the scope of the present disclosure. Therefore, it should be construed that the scope of various embodiments of the present disclosure includes any change or other various embodiments based on the technical spirit of the present disclosure as well as the embodiments described herein.