CN111221484B - Screen projection method and device - Google Patents
Screen projection method and device Download PDFInfo
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- CN111221484B CN111221484B CN201811428087.7A CN201811428087A CN111221484B CN 111221484 B CN111221484 B CN 111221484B CN 201811428087 A CN201811428087 A CN 201811428087A CN 111221484 B CN111221484 B CN 111221484B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/44—Program or device authentication
- G06F21/445—Program or device authentication by mutual authentication, e.g. between devices or programs
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/45—Structures or tools for the administration of authentication
- G06F21/46—Structures or tools for the administration of authentication by designing passwords or checking the strength of passwords
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
Abstract
One or more embodiments of the present disclosure provide a screen projection method and apparatus, where the method may include: acquiring a screen throwing code; when the screen-throwing code accords with a preset rule, the screen-throwing code is indicated to correspond to a screen-throwing network created by first equipment, and the screen-throwing network is different from a network created by second equipment; and performing screen projection operation through the screen projection network according to the screen projection code.
Description
Technical Field
One or more embodiments of the present disclosure relate to the field of screen projection technologies, and in particular, to a screen projection method and apparatus.
Background
The display specification of the display content can be remarkably increased by projecting the display content on the mobile phone and the computer, so that a user can conveniently view the display content, and particularly, a plurality of users can conveniently view and discuss the display content together.
In the related art, a screen-casting code may be set for a display device such as a conference tablet, and a user may screen display contents on the user device onto the display device by inputting the screen-casting code on the user device.
Disclosure of Invention
In view of this, one or more embodiments of the present disclosure provide a screen projection method and apparatus.
In order to achieve the above object, one or more embodiments of the present disclosure provide the following technical solutions:
according to a first aspect of one or more embodiments of the present disclosure, a screen projection method is provided, including:
acquiring a screen throwing code; when the screen-throwing code accords with a preset rule, the screen-throwing code is indicated to correspond to a screen-throwing network created by first equipment, and the screen-throwing network is different from a network created by second equipment;
and performing screen projection operation through the screen projection network according to the screen projection code.
According to a second aspect of one or more embodiments of the present disclosure, there is provided a screen projection device, comprising:
the acquisition unit acquires a screen throwing code; when the screen-throwing code accords with a preset rule, the screen-throwing code is indicated to correspond to a screen-throwing network created by first equipment, and the screen-throwing network is different from a network created by second equipment;
and the first screen-throwing unit performs screen-throwing operation through the screen-throwing network according to the screen-throwing code.
Drawings
Fig. 1 is a schematic diagram of an architecture of a screen projection system according to an exemplary embodiment.
Fig. 2 is a flowchart of a screen projection method according to an exemplary embodiment.
Fig. 3 is a schematic view of a screen of a conference room according to an exemplary embodiment.
Fig. 4 is an interactive schematic diagram of access management for a screen-cast private network according to an exemplary embodiment.
Fig. 5 is a schematic diagram of an apparatus according to an exemplary embodiment.
Fig. 6 is a block diagram of a screen projection device provided in an exemplary embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with one or more embodiments of the present specification. Rather, they are merely examples of apparatus and methods consistent with aspects of one or more embodiments of the present description as detailed in the accompanying claims.
It should be noted that: in other embodiments, the steps of the corresponding method are not necessarily performed in the order shown and described in this specification. In some other embodiments, the method may include more or fewer steps than described in this specification. Furthermore, individual steps described in this specification, in other embodiments, may be described as being split into multiple steps; while various steps described in this specification may be combined into a single step in other embodiments.
Fig. 1 is a schematic diagram of an architecture of a screen projection system according to an exemplary embodiment. As shown in fig. 1, the system may include a screen-cast relay 11, a screen-cast network 12, a non-screen-cast relay 13, a non-screen-cast network 14, a user device 15, a display device 16, and a server 17.
The on-screen relay 11 may be a wireless Access Point (AP) with independent network management capability, or the on-screen relay 11 may include a wireless Access Point and a wireless controller (Wireless Access Point Controller, AC) for management control of the wireless Access Point, or other devices with related functions, which is not limited in this specification. During operation, the screen relay 11 may maintain the screen network 12 such that the user device 15 may perform a screen operation to the display device 16 through the screen network 12.
The screen-casting network 12 may be a wireless local area network (Wireless Local Area Networks, WLAN) so that the user device 15 may transmit display content requiring screen casting to the display device 16 through the screen-casting network 12. For example, the screening network 12 may be implemented using Wi-Fi (Wireless Fidelity ) protocol, or the screening network 12 may be implemented using WAPI (Wireless LAN Authentication and Privacy Infrastructure, wireless local area network authentication and privacy infrastructure) protocol, which is not limiting in this description.
The non-screen-cast relay 13 may be a wireless access point with independent network management capability, or the non-screen-cast relay 13 may include a wireless access point and a wireless controller for management control of the wireless access point, which is not limited in this specification. During operation, non-screen relay 13 may maintain non-screen network 14 such that user device 15 may perform a screen-casting operation to display device 16 via non-screen network 14.
The non-screen-casting network 14 may be a wireless local area network, so that the user equipment 15 may transmit display content that needs to be screen-cast to the display device 16 through the non-screen-casting network 14. For example, the non-screen-casting network 14 may be implemented using Wi-Fi protocol, or the non-screen-casting network 14 may be implemented using WAPI protocol, which is not limited in this specification.
The user device 15 may comprise an electronic device of the type such as: tablet devices, notebook computers, palm top computers (PDAs, personal Digital Assistants), wearable devices (e.g., smart glasses, smart watches, etc.), etc., as one or more embodiments of the present description are not limited in this regard. In operation, user device 15 may access either screen-casting network 12 or non-screen-casting network 14, and display content is transmitted to display device 16 via either screen-casting network 12 or non-screen-casting network 14 for screen-casting presentation on display device 16.
Display device 16 may include electronic devices such as the following types: televisions, displays, projectors, etc., to which one or more embodiments of the present description are not limited. In operation, the display device 16 may access the screen-casting network 12 or the non-screen-casting network 14, receive the display content transmitted by the user device 15 through the screen-casting network 12 or the non-screen-casting network 14, and perform screen-casting display on the display content.
The server 17 may be a physical server comprising a separate host, or the server 17 may be a virtual server carried by a cluster of hosts. During the running process, the server 17 may run a server-side program of an application, and in some scenarios, may assist a client running on the user equipment 15 in determining a service set identifier, an access parameter, etc. of the screen-throwing network, so as to implement a screen-throwing operation with the user equipment 15.
Fig. 2 is a flowchart of a screen projection method according to an exemplary embodiment. As shown in fig. 2, the method applied to the user equipment may include the following steps:
step 202, acquiring a screen-throwing code; when the screen-throwing code accords with a preset rule, the screen-throwing code is indicated to correspond to a screen-throwing network created by the first equipment, and the screen-throwing network is different from a network created by the second equipment.
In one embodiment, the user device may present an input interface through which the user may enter the screen code. Alternatively, the user device may collect the user's voice and determine the corresponding voice content through voice recognition as a screen-drop code. Or the user equipment can acquire the screen-throwing code by scanning the two-dimensional code or OCR recognition and other modes. Of course, the user device may acquire the screen-casting code in other manners, which is not limited in this specification.
In an embodiment, the first device may be a screen relay; the first device may create a screen-drop network dedicated to screen-drop operations by the user device to the display device, which may provide relatively more stable traffic and bandwidth such that the screen-drop operations are relatively less affected. The second device may be a normal relay; the second device can create a non-screen-throwing network, and the non-screen-throwing network can be used for the user device to perform screen throwing operation on the real device, and meanwhile, various types of data transmission, file downloading, mail sending and receiving operations and the like are provided as a general wireless network, so that the provided flow and bandwidth are often unstable, and the screen throwing operation is relatively greatly influenced.
In an embodiment, the display device is configured with a corresponding screen-casting code, so that the user device can screen relevant content on the display device by acquiring and using the screen-casting code.
In an embodiment, the first device may be connected to the display device, and a corresponding screen-throwing code is configured for the display device in advance, so that after the user device accesses the screen-throwing network, relevant content may be thrown on the display device by inputting the screen-throwing code configured by the first device. Similarly, the second device may be connected to the display device, and configure a corresponding screen-casting code for the display device in advance, so that after the user device accesses the network created by the second device, relevant content may be screen-cast on the display device by inputting the screen-casting code configured by the second device.
In an embodiment, the server configures a corresponding screen-throwing code for the display device in advance, so that after the user device accesses the network created by the second device, the screen-throwing code input by the user can be sent to the server through the network, and after confirming that the user device is correct, screen-throwing data connection between the user device and the display device is established, so that relevant content is thrown on the display device.
In an embodiment, when configuring the screen-casting code for the display device, it should be ensured that the screen-casting code applicable to the screen-casting network meets the above-mentioned preset rule, and the screen-casting code applicable to the network created by the second device does not meet the above-mentioned preset rule.
In one embodiment, the preset rule is used to limit the value content of the screen-throwing code. For example, the preset rule may include: the value of the screen throwing code on a specific position is a preset value; for example, when the preset rule is "the last bit of the screen-casting code is 2", if the last bit of the screen-casting code input by the user is 2, the screen-casting code is indicated to be suitable for the screen-casting network, and if the last bit of the screen-casting code input by the user is not 2, the screen-casting code is indicated to be suitable for the network created by the second device; similarly, the preset rule may also be "the first bit of the screen-throwing code is 1", "the first three bits of the screen-throwing code are the same", etc. For another example, the preset rule may include: the number of the screen-throwing code is a preset number, for example, the screen-throwing code of the screen-throwing network is 6 bits, and the screen-throwing code of the network created by the second equipment is 5 bits. For another example, the preset rule may include: the values of at least two bits of the screen-throwing code accord with a preset calculation formula, for example, the first value of the screen-throwing code of the screen-throwing network is 2 times of the last value, and the like. In fact, any rule content that can be used to distinguish between different sources of the screen-casting code may be used as the preset rule, which is not limited in this specification.
And 204, performing screen projection operation through the screen projection network according to the screen projection code.
In an embodiment, when the screen-throwing code accords with a preset rule, the screen-throwing code is indicated to correspond to the screen-throwing network, so that the screen-throwing code can be applied to screen-throwing operation through the screen-throwing network; meanwhile, if the user equipment is not connected to the screen-throwing network, for example, the user equipment is connected to the network created by the second equipment, the screen-throwing operation cannot be necessarily performed through the screen-throwing code, and the screen-throwing operation can be avoided through the network created by the second equipment based on the screen-throwing code.
In an embodiment, when the screen-throwing code does not meet the preset rule, it indicates that the screen-throwing code does not correspond to the screen-throwing network, so that the screen-throwing code can be applied to the network created by the second device to perform the screen-throwing operation; meanwhile, if the user equipment is not connected to the network created by the second equipment, for example, the user equipment is connected to the screen-throwing network, the screen-throwing operation cannot be necessarily performed through the screen-throwing code, and the screen-throwing operation through the screen-throwing network based on the screen-throwing code can be avoided.
In an embodiment, when the accessed network of the user equipment is the screen-casting network, the screen-casting operation can be directly performed in the accessed network according to the screen-casting code without implementing network switching.
In an embodiment, when the accessed network of the user equipment is a network created by the second equipment, the screen-casting network may be accessed to perform screen-casting operation through the screen-casting network according to the screen-casting code.
In an embodiment, the screen-casting code is included in a Service Set Identifier (SSID) of the screen-casting network. For example, the service set identifier may include multiple parts, and the content of a part is the screen-drop code. When the service set identification of the screen-throwing network is determined to contain the screen-throwing code, if the screen-throwing code input by the user is determined to accord with a preset rule, the wireless network searched by the user equipment can be compared with the screen-throwing code, so that the wireless network containing the screen-throwing code is used as the screen-throwing network.
In an embodiment, the first device may report, in advance, the service set identifier of the screen-throwing network and the screen-throwing code to the server in association, so that the user device may receive, by sending an inquiry request including the screen-throwing code to the server, the server returns the corresponding service set identifier, and search for and access the screen-throwing network corresponding to the service set identifier.
In an embodiment, when the screen-casting code does not meet the preset rule, the screen-casting code is indicated to correspond to the network created by the second device. Since the network created by the second device is not dedicated to the screen-casting operation, and is also applied to daily operations such as network transmission, the service set identification of the network is not generally defined specifically, and the user device may perform the screen-casting operation through the network that has been accessed according to the screen-casting code.
For ease of understanding, the technical solutions of one or more embodiments of the present disclosure will be described with reference to screen projection in a conference room. Fig. 3 is a schematic view of a screen of a conference room according to an exemplary embodiment. As shown in fig. 3, assuming that a screen-throwing device 31 and a conference board 32 are installed in a conference room, the screen-throwing device 31 may be interactively matched with a remote server 33. Users a to E need to discuss a certain issue in the conference room, wherein user a uses a notebook computer 34, user B uses a notebook computer 35, user C uses a notebook computer 36, user D uses a notebook computer 37, and user E uses a notebook computer 38. The screen-throwing device 31 can maintain a screen-throwing special network, for example, the user a can throw the display content on the notebook computer 34 onto the conference flat board 32 by connecting the notebook computer 34 to the screen-throwing special network, so that the users a to E can conveniently view and discuss the issues and the related contents required to be discussed. In addition, the conference room may be covered by a public network, such as may be maintained by the wireless router 39, so that user a may screen the display on the notebook computer 34 onto the conference board 32 by accessing the notebook computer 34 to the public network.
Fig. 4 is an interactive schematic diagram of access management for a screen-cast private network according to an exemplary embodiment. As shown in fig. 4, the interaction procedure for access management for the screen-drop private network may include the following steps:
in step 401, the screen-throwing device 31 configures access parameters of the maintained screen-throwing private network.
In an embodiment, the screen-throwing device 31 may create and maintain a screen-throwing private network, and the screen-throwing device 31 has management capability for access parameters of the screen-throwing private network, for example, may configure access parameters such as SSID, access password, etc. of the screen-throwing private network. For example, the screen-projection device 31 may be a wireless router or other device having a wireless routing function, which is not limited in this specification.
In one embodiment, assume that the SSID of the screen-casting device 31 configured for the screen-casting private network is "conference room 202-3f892-001", the access password is "Hys123456", where "3f892" included in the SSID is the screen-casting code for the conference tablet 32; in practice, the screen-casting device 31 may configure the SSID of the screen-casting private network to an arbitrary value, which is not limited in this specification.
In step 402, the screen-throwing device 31 reports the configured access parameters to the server 33, so that the server 33 saves the access parameters.
In one embodiment, the meeting room in the above scenario is attributed to the enterprise AA, i.e., the projection device 31, the conference tablet 32, etc. are all assets owned by the enterprise AA.
In one embodiment, a server-side program of the community office platform may be run on the server 33 such that the server 33 is configured as a server side of the community office platform. The group office platform can realize communication functions, and can also be used as an integrated functional platform with various other functions, such as processing of approval events (such as examination and approval events of asking for leave, office article claim, finance and the like), attendance events, task events, log events, screen throwing events and other group internal events, and processing of group external events such as ordering, purchasing and the like, which is not limited by one or more embodiments of the present disclosure.
More specifically, the corporate office platform may be carried in an instant messaging application in the related art, such as an enterprise instant messaging (Enterprise Instant Messaging, EIM) application, e.g., skype ForMicrosoft/> Etc. Of course, the instant messaging function is only one of the communication functions supported by the group office platform, and the group office platform can also implement more other functions such as the above, which are not described herein.
Thus, an administrator of the enterprise AA may associate the screen-casting device 31, the conference tablet 32 to the enterprise AA in advance. Accordingly, after the screen-throwing device 31 reports the access parameters of the screen-throwing private network, the server 33 may perform association record on the access parameters of the screen-throwing private network and the enterprise AA.
In one embodiment, an administrator of the enterprise AA may report the location of the screen saver 31 to the server 33, e.g., the server 33 may record the location of the screen saver 31 as a meeting room 202 within the enterprise AA.
In step 403, the notebook computer 34 is connected to the wireless network.
In one embodiment, the notebook computer 34 may automatically access the scanned wireless network based on the previous access record; alternatively, the notebook computer 34 may access the wireless network specified by the user a according to the active operation of the user a. For example, in the present embodiment, the wireless network to which the notebook computer 34 is connected may be a screen-casting private network created by the screen-casting device 31 or a public network created by the wireless router 39, which is not limited in this specification.
In step 404, the notebook computer 34 receives the screen input by the user a.
In an embodiment, the screen device 31 may be provided with a display screen, where the display screen is used to display a screen code for the conference board 32, for example, the screen code may be "3f892". Thus, after entering the conference room, the user a will typically directly input the screen code "3f892" displayed on the screen-projection device 31 on the notebook computer 34 for screen-projection operation based on normal processing logic.
At step 405, the notebook computer 34 identifies the screen code mantissa.
In one embodiment, when notebook computer 34 is connected to a screen-casting private network, screen casting may be performed to conference tablet 32 by a screen-casting code applicable to the screen-casting private network; alternatively, when notebook computer 34 is connected to a public network, the screen may be projected onto conference board 32 by a screen projection code suitable for the public network. The screen-throwing codes among different networks are not mixable, otherwise, the screen-throwing operation cannot be performed.
In an embodiment, the screen-drop codes under different networks may be configured based on specific rules to facilitate distinguishing the network type to which the screen-drop codes are applicable. For example, it may be provided that the screening code for which the screening private network is adapted has a certain mantissa, e.g. each ending with 2; while the mantissa of the screen-cast code applicable to the public network cannot take the number 2. Thus, assuming that the screen-drop code input by the user is "3f892", it can be recognized that the screen-drop code is applicable to the screen-drop private network, not the public network, based on its mantissa being 2.
In step 406, the notebook computer identifies the accessed network.
In an embodiment, since different networks correspond to different screen-casting codes, the notebook computer can determine whether the screen-casting codes input by the user are applicable by identifying the type of the accessed network. For example, when the screen-drop code input by the user is "3f892", if the accessed network is a public network, it is inevitably inapplicable, and it is possible to switch from the accessed network to the screen-drop private network.
In practice, user A is likely to connect to the public network through notebook computer 34 to handle other work content prior to entering the conference room. And when user a enters the conference room, it is likely to forget to manually switch from the public network to the screen-cast private network. Therefore, when the user a directly inputs the screen-casting code viewed from the display screen of the screen-casting device 31 on the notebook computer 34, the screen-casting code will not be applicable to the above-mentioned public network to which the notebook computer 34 has been connected; the technical solution of the present disclosure can ensure that the notebook computer 34 smoothly performs the screen-throwing operation without actively switching the network by the user a.
In one embodiment, the notebook computer 34 can determine whether the accessed network is a private network for screen casting. For example, the notebook computer 34 may record information about the private network in advance, for example, when the SSID of the private network includes the screen-casting code information, if the screen-casting code input by the user a is "3f892", then when the SSID of the accessed network includes "3f892", it may be used as the private network.
In one embodiment, the notebook computer 34 may query the screen projection device 31 or the server 33 and determine whether the accessed network is a screen projection private network based on the received feedback information. For example, the notebook computer 34 may send the SSID of the accessed network to the server 33 to determine by the server 33 whether it is a screen-cast private network.
In step 407, the notebook computer 34 initiates a screen request to the server 33 and receives the access parameters returned by the server 33.
In an embodiment, when the accessed network of the notebook computer 34 is not the screen-throwing private network, the notebook computer 34 may initiate a screen-throwing request to the server 33 to obtain access parameters such as an access password of the screen-throwing private network, so as to realize automatic access to the screen-throwing private network.
In an embodiment, a program on a client side of a group office platform is run on the notebook computer 34, so that the notebook computer 34 is configured as a client of the group office platform, and the notebook computer 34 may initiate a screen-throwing request to a server running on the server 33 based on the client, receive an access parameter returned by the server, and automatically access the screen-throwing private network based on the access parameter.
In an embodiment, when the notebook computer 34 has already known the relevant information such as SSID of the private network, the relevant information such as SSID may be included in the screen request, so that the server 33 may search and return the corresponding access parameters accordingly.
Of course, the "private network for screen casting" known by the notebook computer 34 may not be correct, especially in the case that the notebook computer 34 autonomously identifies the private network for screen casting, then the server 33 will not be able to find the corresponding access parameters according to the relevant information such as SSID contained in the request for screen casting, and the server 33 may return an error notification, so that the notebook computer 34 may be replaced with SSID of other wireless network (automatically replaced, or selected by the user a, or identified again by other means) and reinitiate the request until the server 33 finds the corresponding access parameters.
In one embodiment, when the notebook computer 34 does not search for surrounding wireless networks, or the notebook computer 34 fails to successfully search for surrounding wireless networks, the notebook computer 34 may not know the SSID of the screen specific network or other relevant information. Then, the notebook computer 34 may include other information in the screen request to enable the server 33 to determine the screen private network to which the notebook computer 34 can access.
For example, the notebook computer 34 may determine location information, such as a location coordinate of the GPS, an ID of a BLE beacon nearby, a meeting room name "meeting room 202", and the like, and add the location information to a screen-casting request to send the location information to the server 33, so that the server 33 may determine that the notebook computer 34 is in the meeting room 202 according to the location information, thereby determining, according to an association relationship between the meeting room 202 and the screen-casting device 31, a wireless network maintained by the screen-casting device 31 by a screen-casting private network associated with the meeting room 202, and return an SSID, an access password, and other access parameters of the screen-casting private network to the notebook computer 34.
For another example, the notebook computer 34 may add the identity of the user a to the screen-throwing request, and the server 33 may determine, according to the meeting notification associated with the user a, the meeting room preset information, etc., that the meeting period currently located in the user a and the meeting place are the meeting room 202, so as to determine, according to the association relationship between the meeting room 202 and the screen-throwing device 31, that the screen-throwing special network associated with the meeting room 202 is a wireless network maintained by the screen-throwing device 31, and return the SSID, the access password, etc. of the screen-throwing special network to the notebook computer 34.
For another example, the notebook computer 34 may add the screen-casting code input by the user a to the screen-casting request, and the server 33 may determine the wireless network including the screen-casting code in the SSID as the screen-casting private network according to the screen-casting code and the creation rule of the screen-casting private network. For example, when the screen-casting code is "3f892", the SSID of the corresponding screen-casting private network may be "conference room 202-3f892-001". Accordingly, the server 33 may further obtain the access password "Hys123456" of the screen-throwing private network, and return the access parameters such as SSID and access password to the notebook computer 34.
In step 408, the notebook computer 34 automatically accesses the screen-casting private network according to the obtained access parameters, and performs the screen-casting operation on the conference flat plate 32.
In one embodiment, after the notebook computer 34 obtains the access parameters, the access to the private network for projection may be automatically based on the access parameters without manual input and access by user a. During the entire network access process, user a only needs to input the screen-drop code, and other processes described above are automatically completed by the notebook computer 34, and are not visible to user a and do not need to be concerned.
In one embodiment, after the notebook computer 34 has been connected to the private network, the screen-casting operation may be performed by the screen-casting code input by the user a in the above step, so as to display the screen-casting content on the conference board 32.
In step 409, the notebook computer 34 sends a termination screen-shot notification to the server 33, so that the server 33 in turn sends a termination screen-shot notification to the screen-shot device 31.
In one embodiment, while notebook computer 34 stops the screen, it may be necessary for user D to continue the screen through notebook computer 37, so notebook computer 34 should not send a stop screen notification; if none of users A-E require a screen break, then notebook computer 34 may send a terminate screen break notification.
In other embodiments, the notebook computer 34 may forget to send the notification of terminating the screen, and the screen-throwing device 31 may default to the need to terminate the screen when the screen-throwing dedicated network continuously does not detect that the duration of the access device (excluding the conference board 32) reaches the preset duration, and force the step 409.
In step 410, the screen-casting device 31 modifies the access parameters of the screen-casting private network.
In one embodiment, the screen casting device 31 may modify the SSID of the screen casting ad hoc network, such as modifying the SSID to "conference room 202-3f892-002", as distinguished from the previously employed "conference room 202-3f892-001". The screen-throwing device 31 may also modify the access password of the screen-throwing private network, which is not limited in this specification.
In one embodiment, when the notebook computer 34 accesses the private network, the notebook computer 34 will automatically save the access parameters of the private network, i.e. SSID of "meeting room 202-3f892-001", access password of "Hys123456", etc. If the screen-throwing device 31 does not modify the access parameters, because the users a to E may often meet in the conference room 202 and change different users to throw the screen, so that the notebook computers 34 to 38 automatically store the access parameters to the screen-throwing private network, when the users a to E enter the conference room 202, the notebook computers 34 to 38 automatically implement the access operation through the access parameters of "ssid=conference room 202-3f892-001", "access password=hys 123456", and in fact not all notebook computers need to be used for performing the screen-throwing operation, but the automatic access of the notebook computers 34 to 38 causes the processing pressure of the screen-throwing device 31 to increase instantaneously, so that the screen-throwing device 31 is blocked; for example, when another notebook computer is performing a screen-throwing operation, a screen-throwing screen may be blocked, which may adversely affect the screen-throwing operation.
Therefore, by modifying the SSID of the screen-throwing private network, the access parameters automatically stored by the notebook computers 34-38 fail after the screen-throwing operation is finished, so that when the notebook computers 34-38 enter the meeting room 202 again later, the notebook computers 34-38 cannot actively trigger the automatic access to the screen-throwing private network, if a certain notebook computer needs to throw a screen, the screen throwing by one key can be realized through the steps 404-408, the complexity of the user operation is not increased, and the problem of blocking possibly occurring in the screen throwing equipment 31 can be effectively solved.
In step 411, the screen projection device 31 reports the modified access parameters to the server 33, so that the server 33 updates the previously stored access parameters.
In an embodiment, the screen-throwing device 31 informs the server 33 of the modified access parameters in time, so as to ensure that the user equipment for later screen throwing can obtain the correct access parameters from the server 33 and smoothly access the screen-throwing private network.
It should be noted that: although in fig. 4 the access parameters of the screen-casting private network are uploaded to the server 33 by the screen-casting device 31, and the notebook computer 34 requests the server 33 to obtain the corresponding access parameters, this is not the only embodiment. In fact, the screen-throwing device 31 can directly maintain the access parameters, and the notebook computer 34 can initiate a screen-throwing request to the screen-throwing device 31 through a near field communication mode such as BLE, zigBee, NFC, so that the screen-throwing device 31 returns the access parameters of the screen-throwing private network through the near field communication mode, and the screen-throwing device 31 can automatically access the corresponding screen-throwing private network through the access parameters, and the process does not need to involve the dependence on the server 33.
Fig. 5 is a schematic block diagram of an apparatus according to an exemplary embodiment. Referring to fig. 5, at the hardware level, the device includes a processor 502, an internal bus 504, a network interface 506, a memory 508, and a nonvolatile memory 510, although other hardware may be included as needed for other services. The processor 502 reads the corresponding computer program from the non-volatile memory 510 into the memory 508 and then runs, forming a screen-throwing device on a logic level. Of course, in addition to software implementation, one or more embodiments of the present disclosure do not exclude other implementation manners, such as a logic device or a combination of software and hardware, etc., that is, the execution subject of the following processing flow is not limited to each logic unit, but may also be hardware or a logic device.
Referring to fig. 6, in a software implementation, the screen projection device may include:
an acquisition unit 61 that acquires a screen-casting code; when the screen-throwing code accords with a preset rule, the screen-throwing code is indicated to correspond to a screen-throwing network created by first equipment, and the screen-throwing network is different from a network created by second equipment;
the first screen-throwing unit 62 performs screen-throwing operation through the screen-throwing network according to the screen-throwing code.
Optionally, the preset rule includes: the value of the screen throwing code on a specific position is a preset value.
Optionally, the first screen projection unit 62 is specifically configured to:
and when the accessed network is the screen-throwing network, performing screen-throwing operation through the accessed network according to the screen-throwing code.
Optionally, the first screen projection unit 62 is specifically configured to:
and when the network created by the network for the second equipment is accessed, accessing the screen-casting network so as to perform screen-casting operation through the screen-casting network according to the screen-casting code.
Optionally, the service set identifier of the screen-throwing network includes the screen-throwing code.
Optionally, the method further comprises:
and a second screen-throwing unit 63, when the screen-throwing code does not accord with the preset rule, performing screen-throwing operation through the accessed network according to the screen-throwing code.
The system, apparatus, module or unit set forth in the above embodiments may be implemented in particular by a computer chip or entity, or by a product having a certain function. A typical implementation device is a computer, which may be in the form of a personal computer, laptop computer, cellular telephone, camera phone, smart phone, personal digital assistant, media player, navigation device, email device, game console, tablet computer, wearable device, or a combination of any of these devices.
In a typical configuration, a computer includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, read only compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic disk storage, quantum memory, graphene-based storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by the computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
The foregoing describes specific embodiments of the present disclosure. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
The terminology used in the one or more embodiments of the specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the one or more embodiments of the specification. As used in this specification, one or more embodiments and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used in one or more embodiments of the present description to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of one or more embodiments of the present description. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.
The foregoing description of the preferred embodiment(s) is (are) merely intended to illustrate the embodiment(s) of the present invention, and it is not intended to limit the embodiment(s) of the present invention to the particular embodiment(s) described.
Claims (10)
1. A screen projection method, comprising:
acquiring a screen throwing code; when the screen-throwing code accords with a preset rule, the screen-throwing code is indicated to correspond to a screen-throwing network created by first equipment, and the screen-throwing network is different from a network created by second equipment;
and when the network created by the second equipment is accessed to the network, switching the network created by the second equipment to the screen-casting network so as to carry out screen-casting operation through the screen-casting network according to the screen-casting code.
2. The method as recited in claim 1, further comprising:
and when the accessed network is the screen-throwing network, performing screen-throwing operation through the screen-throwing network according to the screen-throwing code.
3. The method of claim 1, wherein the preset rule comprises: the value of the screen throwing code on a specific position is a preset value.
4. The method of claim 1, wherein the screen-drop code is included in a service set identification of the screen-drop network.
5. The method as recited in claim 1, further comprising:
and when the screen projection code does not accord with the preset rule, performing screen projection operation through the accessed network according to the screen projection code.
6. A screen projection device, comprising:
the acquisition unit acquires a screen throwing code; when the screen-throwing code accords with a preset rule, the screen-throwing code is indicated to correspond to a screen-throwing network created by first equipment, and the screen-throwing network is different from a network created by second equipment;
and the first screen throwing unit is used for switching the network created by the second equipment to the screen throwing network when the network created by the second equipment is accessed to the screen throwing unit, so that screen throwing operation is performed through the screen throwing network according to the screen throwing code.
7. The apparatus as recited in claim 6, further comprising:
and when the accessed network is the screen-throwing network, performing screen-throwing operation through the screen-throwing network according to the screen-throwing code.
8. The apparatus of claim 6, wherein the preset rule comprises: the value of the screen throwing code on a specific position is a preset value.
9. The apparatus of claim 6, wherein the screen-in code is included in a service set identification of the screen-in network.
10. The apparatus as recited in claim 6, further comprising:
and the second screen-throwing unit is used for carrying out screen-throwing operation through the accessed network according to the screen-throwing code when the screen-throwing code does not accord with the preset rule.
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| CN111930329B (en) * | 2020-09-15 | 2021-02-19 | 深圳乐播科技有限公司 | Screen projection method, device and equipment based on PIN code and storage medium |
| CN113014974A (en) * | 2021-02-26 | 2021-06-22 | 北京百度网讯科技有限公司 | Screen projection method, device, equipment and storage medium |
| CN113268211B (en) * | 2021-05-13 | 2023-05-12 | 维沃移动通信（杭州）有限公司 | Image acquisition method, device, electronic equipment and storage medium |
| CN113382457B (en) * | 2021-05-17 | 2022-09-02 | Tcl通讯（宁波）有限公司 | WiFi P2P connection method and device, mobile terminal and storage medium |
| CN113765903B (en) * | 2021-08-26 | 2023-07-28 | 科大讯飞股份有限公司 | Screen projection method, related device, electronic equipment and storage medium |
| CN114040233B (en) * | 2021-11-04 | 2023-04-11 | 深圳小湃科技有限公司 | Screen projection service adjusting method, equipment and storage medium |
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