CN116208796A

CN116208796A - Screen projection control method, screen projection control device, processor and screen projection system

Info

Publication number: CN116208796A
Application number: CN202211738127.4A
Authority: CN
Inventors: 廖燕辉
Original assignee: Shenzhen Skyworth RGB Electronics Co Ltd
Current assignee: Shenzhen Skyworth RGB Electronics Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-02

Abstract

The application provides a screen projection control method, a screen projection control device, a processor and a screen projection system, wherein the method comprises the following steps: receiving screen projection data sent by a screen projection sending end, and displaying the screen projection data on a screen of a screen projection receiving end; acquiring target identity information of a screen throwing transmitting end, and controlling a screen throwing receiving end to carry out Bluetooth pairing with the screen throwing transmitting end according to the target identity information; the control screen throwing receiving end is connected with the screen throwing sending end through a Bluetooth HID protocol; under the condition that key value information sent by a remote controller is received, the screen throwing receiving end is controlled to forward the key value information to the screen throwing sending end through Bluetooth, so that the screen throwing sending end responds to the key value to correspondingly operate screen throwing data on an interface of the screen throwing sending end, and the key value information is generated according to keys acted on by the remote controller. The method and the device solve the problem that the screen-throwing mode can adjust the mobile phone interface only by directly operating the mobile phone, so that the user experience is poor.

Description

Screen projection control method, screen projection control device, processor and screen projection system

Technical Field

The application relates to the technical field of screen projection, in particular to a screen projection control method, a screen projection control device, a computer readable storage medium, a processor and a screen projection system.

Background

The existing screen-throwing technology only supports screen throwing but does not support control, for example, a mobile phone is thrown to a television, the television displays mobile phone pictures, but the television cannot control the mobile phone, and only can operate the interface of the mobile phone in a mode of directly controlling the mobile phone, so that the user experience is poor.

Disclosure of Invention

The main objective of the present application is to provide a screen projection control method, a screen projection control device, a computer readable storage medium, a processor and a screen projection system, so as to at least solve the problem that in the prior art, a screen projection mode needs to directly operate a mobile phone to adjust a mobile phone interface, which causes poor user experience.

In order to achieve the object, according to one aspect of the present application, there is provided a screen projection control method, including: receiving screen projection data sent by a screen projection sending end, and displaying the screen projection data on a screen of a screen projection receiving end; acquiring target identity information of the screen projection transmitting end, and controlling the screen projection receiving end to carry out Bluetooth pairing with the screen projection transmitting end according to the target identity information; controlling the screen throwing receiving end to carry out Bluetooth connection with the screen throwing sending end through a Bluetooth HID (Human Interface Device ) protocol; and under the condition that key value information sent by a remote controller is received, controlling the screen-throwing receiving end to forward the key value information to the screen-throwing sending end through Bluetooth, so that the screen-throwing sending end responds to the key value to perform corresponding operation on the screen-throwing data on an interface of the screen-throwing sending end, wherein the key value information is generated according to keys acted on by the remote controller.

Optionally, according to the target identity information, controlling the screen-throwing receiving end to perform bluetooth pairing with the screen-throwing sending end, including: starting a Bluetooth function of the screen-throwing receiving end; according to the target identity information, controlling the screen-throwing receiving end to initiate a Bluetooth pairing request, wherein the Bluetooth pairing request is used for requesting to pair with Bluetooth equipment with the identity information being the target identity information; and under the condition that the received Bluetooth pairing information fed back by the screen-throwing sending end is received, the successful pairing with the screen-throwing sending end is determined.

Optionally, controlling the screen-throwing receiving end to initiate a bluetooth pairing request includes: and controlling the screen-throwing receiving terminal to initiate the Bluetooth pairing request in one of a unicast mode, a multicast mode and a broadcast mode.

Optionally, controlling the screen-throwing receiving end to perform bluetooth connection with the screen-throwing sending end through a bluetooth HID protocol includes: acquiring the Bluetooth function of the screen-throwing transmitting end and the Bluetooth function of the screen-throwing receiving end; determining whether the Bluetooth function of the screen-throwing receiving end and the Bluetooth function of the screen-throwing sending end both comprise HID functions; and under the condition that the Bluetooth function of the screen throwing receiving end and the Bluetooth function of the screen throwing transmitting end both comprise the HID function, controlling the screen throwing receiving end to carry out Bluetooth connection with the screen throwing transmitting end through the Bluetooth HID protocol.

Optionally, under the condition that key value information sent by a remote controller is received, controlling the screen projection receiving end to forward the key value information to the screen projection sending end through bluetooth, including: under the condition that the key value information is received, determining whether the key value information is a standard key value or not; and under the condition that the key value information is a standard key value, controlling the screen throwing receiving end to forward the key value information to the screen throwing sending end through Bluetooth.

Optionally, before receiving the screen projection data sent by the screen projection sending end and displaying the screen projection data on the screen of the screen projection receiving end, the method further includes: responding to first operation information, and controlling the screen-throwing receiving end to enter a screen-throwing mode, wherein the first operation information comprises information generated according to operation acting on the screen and operation information sent by the remote controller; and under the condition that screen throwing request information sent by the screen throwing sending end is received, controlling the screen throwing receiving end to establish screen throwing connection with the screen throwing sending end.

Optionally, the screen-throwing connection includes one of screen-throwing connection through Miracast protocol, screen-throwing connection through DLAN protocol, and screen-throwing connection through AirPlay protocol, and the target identity information of the screen-throwing transmitting end is obtained, including one of the following: and under the condition that the screen-throwing connection is established, acquiring the target identity information, and under the condition that the screen-throwing data is received, acquiring the target identity information.

Optionally, the key value information includes up, down, left, right, and confirmation.

According to another aspect of the present application, there is provided a screen projection control device, including: the receiving unit is used for receiving the screen throwing data sent by the screen throwing sending end and displaying the screen throwing data on a screen of the screen throwing receiving end; the acquisition unit is used for acquiring the target identity information of the screen throwing transmitting end and controlling the screen throwing receiving end to carry out Bluetooth pairing with the screen throwing transmitting end according to the target identity information; the first control unit is used for controlling the screen throwing receiving end to be in Bluetooth connection with the screen throwing sending end through a Bluetooth HID protocol; the second control unit is used for controlling the screen-throwing receiving end to forward the key value information to the screen-throwing sending end through Bluetooth under the condition that the key value information sent by the remote controller is received, so that the screen-throwing sending end responds to the key value to perform corresponding operation on the screen-throwing data on the interface of the screen-throwing sending end, and the key value information is generated according to keys acted on by the remote controller.

According to still another aspect of the present application, there is provided a computer readable storage medium, where the computer readable storage medium includes a stored program, and when the program runs, controls a device in which the computer readable storage medium is located to perform any one of the methods.

According to yet another aspect of the present application, there is provided a processor for running a program, wherein the program when run performs any one of the methods.

According to another aspect of the present application, there is also provided a screen projection system, including: a screen throwing transmitting end; a screen receiving end; the remote controller is in communication connection with the screen-throwing receiving end; the controller of the screen projection receiving end comprises one or more processors, a memory and one or more programs, wherein the one or more programs are stored in the memory and are configured to be executed by the one or more processors, and the one or more programs comprise a function for executing any one of the methods.

By applying the technical scheme, firstly, screen projection data sent by a screen projection sending end are received and displayed on a screen of a screen projection receiving end; then, acquiring target identity information of a screen-throwing transmitting end, and controlling a screen-throwing receiving end to carry out Bluetooth pairing with the screen-throwing transmitting end according to the target identity information; the screen throwing receiving end is controlled to be connected with the screen throwing sending end through a Bluetooth HID protocol; and finally, under the condition that key value information sent by the remote controller is received, the screen throwing receiving end is controlled to forward the key value information to the screen throwing sending end through Bluetooth, so that the screen throwing sending end responds to the key value to perform corresponding operation on screen throwing data on an interface of the screen throwing sending end. According to the identity information of the screen throwing sending end, the screen throwing receiving end is controlled to carry out Bluetooth pairing with the screen throwing sending end, and Bluetooth HID connection is carried out; when key value information of a remote controller is received, the control screen throwing receiving end sends the key value information to the screen throwing sending end through Bluetooth HID, so that the screen throwing sending end adjusts screen throwing data according to the key value information, the effect that the screen throwing receiving end reversely controls the screen throwing sending end is achieved, a user can adjust the screen throwing data on an interface of the screen throwing sending end through the remote controller, the user experience is guaranteed to be good, and the problem that in the prior art, a screen throwing mode needs to directly operate a mobile phone to adjust a mobile phone interface, and the user experience is poor is effectively solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 is a block diagram of a hardware structure of a mobile terminal for performing a screen-projection control method according to an embodiment of the present application;

fig. 2 shows a schematic flow chart of a screen projection control method according to an embodiment of the present application;

FIG. 3 shows a schematic diagram of a screen-shot control flow provided according to an embodiment of the present application;

fig. 4 shows a block diagram of a screen projection control device according to an embodiment of the present application;

fig. 5 shows a schematic structural diagram of a screen projection system according to an embodiment of the present application.

Wherein the above figures include the following reference numerals:

102. a processor; 104. a memory; 106. a transmission device; 108. an input-output device; 110. a screen throwing transmitting end; 112. a screen receiving end; 114. a remote controller; 116. and a controller.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and in the drawings are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

As described in the background art, in the prior art, the screen-throwing mode needs to directly operate the mobile phone to adjust the mobile phone interface, which causes poor user experience, so as to solve the above problem, the embodiments of the present application provide a screen-throwing control method, a screen-throwing control device, a computer readable storage medium, a processor and a screen-throwing system.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The method embodiments provided in the embodiments of the present application may be performed in a mobile terminal, a computer terminal or similar computing device. Taking the mobile terminal as an example, fig. 1 is a block diagram of a hardware structure of the mobile terminal of a screen-projection control method according to an embodiment of the present invention. As shown in fig. 1, a mobile terminal may include one or more (only one is shown in fig. 1) processors 102 (the processor 102 may include, but is not limited to, a microprocessor MCU or a processing device such as a programmable logic device FPGA) and a memory 104 for storing data, wherein the mobile terminal may also include a transmission device 106 for communication functions and an input-output device 108. It will be appreciated by those skilled in the art that the structure shown in fig. 1 is merely illustrative and not limiting on the structure of the mobile terminal. For example, the mobile terminal may also include more or fewer components than shown in fig. 1, or have a different configuration than shown in fig. 1.

The memory 104 may be used to store computer programs, such as software programs of application software and modules, such as computer programs corresponding to the method for displaying device information in the embodiment of the present invention, and the processor 102 executes the computer programs stored in the memory 104 to perform various functional applications and data processing, i.e., implement the method. Memory 104 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include memory remotely located relative to the processor 102, which may be connected to the mobile terminal via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof. The transmission device 106 is used to receive or transmit data via a network. Specific examples of the network may include a wireless network provided by a communication provider of the mobile terminal. In one example, the transmission device 106 includes a network adapter (Network Interface Controller, simply referred to as NIC) that can connect to other network devices through a base station to communicate with the internet. In one example, the transmission device 106 may be a Radio Frequency (RF) module, which is configured to communicate with the internet wirelessly.

In the present embodiment, a screen projection control method operating on a mobile terminal, a computer terminal, or a similar computing device is provided, it should be noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order different from that herein.

Fig. 2 is a flowchart of a screen shot control method according to an embodiment of the present application. As shown in fig. 2, the method comprises the steps of:

step S201, receiving screen projection data sent by a screen projection sending end, and displaying the screen projection data on a screen of a screen projection receiving end;

specifically, the screen projection transmitting end may be an intelligent electronic device such as a mobile phone, a tablet, a computer, etc., and the screen projection receiving end may be a device including a screen such as a television, a computer, a projector, etc. The screen projection data can be files such as video, documents, music and the like.

Prior to step S201, the method further comprises: responding to first operation information, and controlling the screen-throwing receiving end to enter a screen-throwing mode, wherein the first operation information comprises information generated according to operation acting on the screen and operation information sent by the remote controller; and under the condition that screen throwing request information sent by the screen throwing sending end is received, controlling the screen throwing receiving end to establish screen throwing connection with the screen throwing sending end. In the embodiment, the screen-throwing receiving end is controlled to carry out the screen-throwing mode according to the first operation information, so that the screen-throwing receiving end is convenient to respond to the screen-throwing request information, the screen-throwing connection is established with the screen-throwing sending end, and the screen-throwing sending end is ensured to throw the screen to the screen-throwing receiving end simply and rapidly.

Specifically, in the case that the screen of the screen throwing receiving end is a non-touch screen, the first operation information is operation information sent by a user through a remote controller; in the case that the screen of the screen throwing receiving end is a touch screen, the first operation information may be operation information acting on the screen or operation information sent by a user through a remote controller.

The remote controller can communicate with the screen-throwing receiving end in an infrared or Bluetooth mode.

In the actual application process, the specific implementation mode for controlling the screen-throwing receiving terminal to carry out the screen-throwing mode is as follows: and opening the screen throwing application of the screen throwing receiving end, opening the screen throwing application by the screen throwing sending end to search the screen throwing equipment, and actively initiating screen throwing request information when the screen throwing receiving end is searched.

Any suitable screen connection mode may be selected by a person skilled in the art to connect the screen sending end and the screen receiving end, and according to another embodiment of the present application, the screen connection includes one of a screen connection through Miracast protocol, a screen connection through DLAN protocol, and a screen connection through AirPlay protocol.

Step S202, acquiring target identity information of the screen projection transmitting end, and controlling the screen projection receiving end to carry out Bluetooth pairing with the screen projection transmitting end according to the target identity information;

specifically, the target identity information is a relatively unique identifier of the screen projection transmitting end, which is equivalent to an identity card of the screen projection transmitting end. The target identity information can be an ID number, a name, a serial number or an account number. After the screen-throwing receiving end establishes screen-throwing connection with the screen-throwing sending end, target identity information of the screen-throwing sending end is obtained, bluetooth pairing is carried out on the screen-throwing receiving end according to the target identity information, bluetooth pairing equipment of the screen-throwing receiving end is the screen-throwing sending end connected with the screen-throwing, and accuracy of Bluetooth pairing is guaranteed.

In an exemplary embodiment of the present application, obtaining the target identity information of the screen-casting transmitting end includes one of the following: and under the condition that the screen-throwing connection is established, acquiring the target identity information, and under the condition that the screen-throwing data is received, acquiring the target identity information. The technical staff in the field can acquire the target identity information under the condition of establishing the screen-throwing connection, and can acquire the target identity information again under the condition of receiving the screen-throwing data, so that the flexibility of acquiring the information is ensured to be higher.

In order to further facilitate the establishment of accurate bluetooth HID connection between the screen-throwing receiving end and the screen-throwing transmitting end, in an alternative scheme, according to the target identity information, the screen-throwing receiving end and the screen-throwing transmitting end are controlled to perform bluetooth pairing, including: starting a Bluetooth function of the screen-throwing receiving end; according to the target identity information, controlling the screen-throwing receiving end to initiate a Bluetooth pairing request, wherein the Bluetooth pairing request is used for requesting to pair with Bluetooth equipment with the identity information being the target identity information; and under the condition that the received Bluetooth pairing information fed back by the screen-throwing sending end is received, the successful pairing with the screen-throwing sending end is determined. Thus, the screen throwing receiving end and the screen throwing sending end are further ensured to be successfully paired accurately and simply.

Specifically, under the condition that the received bluetooth pairing information fed back by the screen-throwing sending end is received, the successful pairing with the screen-throwing sending end is determined, and the method comprises the following steps: displaying a selection identifier of whether to agree with Bluetooth pairing on the screen under the condition that the Bluetooth pairing information is received; and responding to the operation instruction for agreeing to the Bluetooth pairing, and determining that the Bluetooth pairing is successfully paired with the screen-throwing transmitting end, wherein the operation instruction for agreeing to the Bluetooth pairing can be an instruction transmitted according to the remote controller or an instruction generated according to the operation acted on the screen.

Further, controlling the screen-throwing receiving terminal to initiate a bluetooth pairing request includes: and controlling the screen-throwing receiving terminal to initiate the Bluetooth pairing request in one of a unicast mode, a multicast mode and a broadcast mode. The screen-throwing receiving terminal initiates a Bluetooth pairing request in a unicast, multicast or broadcast mode to successfully pair the screen-throwing transmitting terminal, so that the diversity and the flexibility of request information transmission are ensured.

In the practical application process, the screen-throwing transmitting end displays whether an operation identifier of the Bluetooth pairing request is received or not on a display interface under the condition that the Bluetooth pairing request is received, and a user receives the Bluetooth pairing request by operating the operation identifier, so that the screen-throwing receiving end and the screen-throwing transmitting end can be successfully paired.

Step S203, the screen throwing receiving end is controlled to be connected with the screen throwing sending end through a Bluetooth HID protocol in a Bluetooth mode;

specifically, the screen-throwing receiving end and the screen-throwing sending end are connected through a bluetooth HID protocol in a bluetooth manner, namely, the screen-throwing receiving end and the screen-throwing sending end are connected through a bluetooth HID Profile (specification), wherein the screen-throwing receiving end is used as a bluetooth HID Device, the screen-throwing sending end is used as a bluetooth HID Host, the connection relation between the screen-throwing receiving end and the screen-throwing sending end is equivalent to the relation between a mouse or a keyboard and the Host, the screen-throwing sending end can be controlled through the screen-throwing receiving end, and the screen-throwing receiving end can reversely control the screen-throwing sending end just like controlling the Host through the mouse or the keyboard, so that the use experience of a user is improved.

In order to further solve the problem that in the prior art, a screen-throwing mode needs to directly operate a mobile phone to adjust a mobile phone interface, resulting in poor user experience, in an alternative scheme, the screen-throwing receiving end is controlled to be connected with the screen-throwing transmitting end through a Bluetooth HID protocol in a Bluetooth manner, and the method comprises the following steps: acquiring the Bluetooth function of the screen-throwing transmitting end and the Bluetooth function of the screen-throwing receiving end; determining whether the Bluetooth function of the screen-throwing receiving end and the Bluetooth function of the screen-throwing sending end both comprise HID functions; and under the condition that the Bluetooth function of the screen throwing receiving end and the Bluetooth function of the screen throwing transmitting end both comprise the HID function, controlling the screen throwing receiving end to carry out Bluetooth connection with the screen throwing transmitting end through the Bluetooth HID protocol. In the embodiment, whether the Bluetooth function of the screen-throwing receiving end and the Bluetooth function of the screen-throwing sending end both comprise the HID function is determined, and under the condition that the Bluetooth function and the Bluetooth function of the screen-throwing sending end both comprise the HID function, the Bluetooth HID connection of the screen-throwing receiving end and the Bluetooth HID connection of the screen-throwing receiving end are established, and after the Bluetooth HID connection of the screen-throwing receiving end and the Bluetooth HID connection of the screen-throwing receiving end are further conveniently established, the screen-throwing receiving end is controlled through the screen-throwing receiving end, so that the problem that the interface of a mobile phone can be adjusted by directly operating the mobile phone in the existing screen-throwing mode is further effectively solved, and the user experience is poor is caused.

Specifically, the HID function refers to HID Profile of bluetooth.

Step S204, under the condition that key value information sent by a remote controller is received, the screen projection receiving end is controlled to forward the key value information to the screen projection sending end through Bluetooth, so that the screen projection sending end responds to the key value to perform corresponding operation on the screen projection data on an interface of the screen projection sending end, and the key value information is generated according to keys acted on by the remote controller.

Specifically, the key value information is information generated according to the correspondence of a user pressing a key of a remote controller, the key value information comprises upward movement, downward movement, leftward movement, rightward movement and confirmation, under the condition that the screen throwing data is a document such as a PPT, the upward movement and the leftward movement correspond to forward page turning operations, the downward movement and the rightward movement correspond to backward page turning operations, and the selection operations such as exiting PPT display and opening a PPT file are confirmed. And under the condition that the screen projection data is a picture, moving up, moving down, moving left, moving right and confirming that the picture is correspondingly operated in an up, down, left, right, opening and the like. And under the condition that the screen throwing data is audio, moving up, moving down, moving left, moving right and confirming operations such as the previous head, the next head, fast backing, fast forwarding, playing or stopping playing respectively.

Of course, the key information is not limited to the up-shift, down-shift, left-shift, right-shift and confirmation, and those skilled in the art can flexibly set the key information according to actual needs, such as inputting information of specific characters.

According to a specific embodiment of the present application, under the condition that key value information sent by a remote controller is received, controlling the screen-throwing receiving end to forward the key value information to the screen-throwing sending end through bluetooth includes: under the condition that the key value information is received, determining whether the key value information is a standard key value or not; and under the condition that the key value information is a standard key value, controlling the screen throwing receiving end to forward the key value information to the screen throwing sending end through Bluetooth. In order to guarantee the practicality and the convenience of this application the scheme, this application does not reform transform the Cheng Xun of throwing the screen transmitting terminal, so throw the screen transmitting terminal and only can discern standard key value, therefore throw the screen receiving terminal and before throwing the screen transmitting terminal with key value information forward, confirm whether this key value information is standard key value earlier, confirm throw the screen transmitting terminal and can discern this key value information, change the key value information again under the condition of standard key value, it can discern this key value information to say to throw the screen transmitting terminal, then send this key value information to throw the screen transmitting terminal, make throw the screen transmitting terminal respond to this key value information, operate throwing the screen data.

The standard key value is a standard google original key value. In the case that the key value information is not the standard key value, the method further includes: generating error information and controlling the screen to display the error information, wherein the error information is information representing that key value information is wrong.

Of course, the program in the screen projection transmitting end can be modified firstly, so that the modified screen projection transmitting end can identify key value information in a required format. In another embodiment, under the condition that key value information sent by the remote controller is received, the control screen throwing receiving end forwards the key value information to the screen throwing sending end through bluetooth, and the method further includes: under the condition that key value information sent by a remote controller is received, determining whether the key value information is a standard key value or not; controlling the screen throwing receiving end to forward the key value information to the screen throwing sending end through Bluetooth under the condition that the key value information is a standard key value; and under the condition that the identification information is not the standard key value, converting the key value information into the standard key value, and controlling the screen throwing receiving end to forward the converted key value information to the screen throwing sending end through Bluetooth.

It should be noted that, in the whole screen-projection control flow, the screen-projection transmitting end and the screen-projection receiving end are under the same local area network.

Through the embodiment, firstly, screen projection data sent by a screen projection sending end are received and displayed on a screen of a screen projection receiving end; then, acquiring target identity information of a screen-throwing transmitting end, and controlling a screen-throwing receiving end to carry out Bluetooth pairing with the screen-throwing transmitting end according to the target identity information; the screen throwing receiving end is controlled to be connected with the screen throwing sending end through a Bluetooth HID protocol; and finally, under the condition that key value information sent by the remote controller is received, the screen throwing receiving end is controlled to forward the key value information to the screen throwing sending end through Bluetooth, so that the screen throwing sending end responds to the key value to perform corresponding operation on screen throwing data on an interface of the screen throwing sending end. According to the identity information of the screen throwing sending end, the screen throwing receiving end is controlled to carry out Bluetooth pairing with the screen throwing sending end, and Bluetooth HID connection is carried out; when key value information of a remote controller is received, the control screen throwing receiving end sends the key value information to the screen throwing sending end through Bluetooth HID, so that the screen throwing sending end adjusts screen throwing data according to the key value information, the effect that the screen throwing receiving end reversely controls the screen throwing sending end is achieved, a user can adjust the screen throwing data on an interface of the screen throwing sending end through the remote controller, the user experience is guaranteed to be good, and the problem that in the prior art, a screen throwing mode needs to directly operate a mobile phone to adjust a mobile phone interface, and the user experience is poor is effectively solved.

In order to enable those skilled in the art to more clearly understand the technical solutions of the present application, the implementation process of the screen projection control method of the present application will be described in detail below with reference to specific embodiments.

The embodiment relates to a specific screen-throwing control method, wherein the screen-throwing sending end is a mobile phone, the screen-throwing receiving end is a television, as shown in fig. 3, and the method comprises the following steps:

step S1: the method comprises the steps that under the condition that a television and a mobile phone are in the same local area network, the television enters a screen-throwing application, miracast or DLAN screen throwing is selected, and after the mobile phone screen throwing interface searches the television, the connection of the television is actively initiated;

step S2: after the television agrees to be successfully connected, the screen-throwing application of the television end opens the Bluetooth of the television, scans the Bluetooth from the mobile phone to the mobile phone, and performs pairing;

step S3: after pairing, the television application obtains whether bluetooth is supported HID Device Profile, if the television supports this Profile and the Service is started, the handset is actively connected through Service of the HID Device,

step S4: after the connection is successful, the screen-throwing application of the television can control the mobile phone through the HID Profile of the Bluetooth, and the screen-throwing application of the television monitors the key value of the key of the television remote controller and judges whether the key value is the google original key value or not;

Step S5: the google original key value is sent to the mobile phone and indirectly controlled to the mobile phone.

Of course, the screen-throwing control flow is not limited to the application scenario that the screen-throwing sending end is a mobile phone, and the screen-throwing receiving end is a television, and the screen-throwing control flow can also be applied to the application scenario that the screen-throwing sending end and the screen-throwing receiving end are other devices.

It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowcharts, in some cases the steps illustrated or described may be performed in an order other than that illustrated herein.

The embodiment of the application also provides a screen projection control device, and the screen projection control device can be used for executing the screen projection control method. The device is used for implementing the embodiments and the preferred embodiments, and is not described again. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. While the means described in the following embodiments are preferably implemented in software, implementation in hardware, or a combination of software and hardware, is also possible and contemplated.

The following describes a screen projection control device provided in an embodiment of the present application.

Fig. 4 is a schematic diagram of a screen shot control device according to an embodiment of the present application. As shown in fig. 4, the apparatus includes:

a receiving unit 10, configured to receive the screen-casting data sent by the screen-casting sending end, and display the screen-casting data on a screen of the screen-casting receiving end;

The apparatus further comprises: the third control unit is used for responding to first operation information before receiving the screen throwing data sent by the screen throwing sending end and displaying the screen throwing data on a screen of the screen throwing receiving end, and controlling the screen throwing receiving end to enter a screen throwing mode, wherein the first operation information comprises information generated according to operation acting on the screen and operation information sent by the remote controller; and the fourth control unit is used for controlling the screen-throwing receiving end to establish screen-throwing connection with the screen-throwing transmitting end under the condition of receiving the screen-throwing request information transmitted by the screen-throwing transmitting end. In the embodiment, the screen-throwing receiving end is controlled to carry out the screen-throwing mode according to the first operation information, so that the screen-throwing receiving end is convenient to respond to the screen-throwing request information, the screen-throwing connection is established with the screen-throwing sending end, and the screen-throwing sending end is ensured to throw the screen to the screen-throwing receiving end simply and rapidly.

The acquiring unit 20 is configured to acquire target identity information of the screen-throwing transmitting end, and control the screen-throwing receiving end to perform bluetooth pairing with the screen-throwing transmitting end according to the target identity information;

In an exemplary embodiment of the present application, the acquiring unit includes one of: the first acquisition module is used for acquiring the target identity information under the condition of establishing the screen projection connection; and the second acquisition module is used for acquiring the target identity information under the condition that the screen projection data are received. The technical staff in the field can acquire the target identity information under the condition of establishing the screen-throwing connection, and can acquire the target identity information again under the condition of receiving the screen-throwing data, so that the flexibility of acquiring the information is ensured to be higher.

In order to further facilitate the establishment of an accurate bluetooth HID connection between the screen-throwing receiving end and the screen-throwing transmitting end, in an alternative scheme, the obtaining unit includes: the starting module is used for starting the Bluetooth function of the screen throwing receiving end; the first control module is used for controlling the screen-throwing receiving end to initiate a Bluetooth pairing request according to the target identity information, wherein the Bluetooth pairing request is used for requesting to pair with Bluetooth equipment with the identity information being the target identity information; the first determining module determines that the screen-throwing sending end is successfully paired with the screen-throwing sending end under the condition that the Bluetooth pairing information fed back by the screen-throwing sending end is received. Thus, the screen throwing receiving end and the screen throwing sending end are further ensured to be successfully paired accurately and simply.

Specifically, the first determining module includes: the display sub-module is used for displaying a selection identifier of whether Bluetooth pairing is agreed or not on the screen under the condition that the Bluetooth pairing receiving information is received; and the determining submodule is used for responding to the operation instruction for agreeing to the Bluetooth pairing, and determining that the Bluetooth pairing is successful with the screen-throwing sending end, wherein the operation instruction for agreeing to the Bluetooth pairing can be an instruction sent by the remote controller or an instruction generated according to the operation acted on the screen.

Further, the first control module includes: and the control sub-module is used for controlling the screen-throwing receiving end to initiate the Bluetooth pairing request in one of a unicast mode, a multicast mode and a broadcast mode. The screen-throwing receiving terminal initiates a Bluetooth pairing request in a unicast, multicast or broadcast mode to successfully pair the screen-throwing transmitting terminal, so that the diversity and the flexibility of request information transmission are ensured.

The first control unit 30 is configured to control the screen-throwing receiving end to perform bluetooth connection with the screen-throwing sending end through a bluetooth HID protocol;

In order to further solve the problem that in the prior art, the screen-throwing mode needs to directly operate the mobile phone to adjust the mobile phone interface, resulting in poor user experience, in an alternative scheme, the first control unit includes: the third acquisition module is used for acquiring the Bluetooth function of the screen throwing sending end and the Bluetooth function of the screen throwing receiving end; the second determining module is used for determining whether the Bluetooth function of the screen throwing receiving end and the Bluetooth function of the screen throwing sending end both comprise HID functions; the second control module is used for controlling the screen throwing receiving end to be in Bluetooth connection with the screen throwing sending end through the Bluetooth HID protocol under the condition that the Bluetooth function of the screen throwing receiving end and the Bluetooth function of the screen throwing sending end both comprise the HID function. In the embodiment, whether the Bluetooth function of the screen-throwing receiving end and the Bluetooth function of the screen-throwing sending end both comprise the HID function is determined, and under the condition that the Bluetooth function and the Bluetooth function of the screen-throwing sending end both comprise the HID function, the Bluetooth HID connection of the screen-throwing receiving end and the Bluetooth HID connection of the screen-throwing receiving end are established, and after the Bluetooth HID connection of the screen-throwing receiving end and the Bluetooth HID connection of the screen-throwing receiving end are further conveniently established, the screen-throwing receiving end is controlled through the screen-throwing receiving end, so that the problem that the interface of a mobile phone can be adjusted by directly operating the mobile phone in the existing screen-throwing mode is further effectively solved, and the user experience is poor is caused.

Specifically, the HID function refers to HID Profile of bluetooth.

And the second control unit 40 is configured to control the screen-throwing receiving end to forward the key value information to the screen-throwing sending end through bluetooth under the condition that the key value information sent by the remote controller is received, so that the screen-throwing sending end responds to the key value, and performs corresponding operation on the screen-throwing data on the interface of the screen-throwing sending end, where the key value information is generated according to a key acted on by the remote controller.

According to a specific embodiment of the present application, the second control unit includes: a third determining module, configured to determine, when the key value information is received, whether the key value information is a standard key value; and the third control module is used for controlling the screen throwing receiving end to forward the key value information to the screen throwing sending end through Bluetooth under the condition that the key value information is a standard key value. In order to guarantee the practicality and the convenience of this application the scheme, this application does not reform transform the Cheng Xun of throwing the screen transmitting terminal, so throw the screen transmitting terminal and only can discern standard key value, therefore throw the screen receiving terminal and before throwing the screen transmitting terminal with key value information forward, confirm whether this key value information is standard key value earlier, confirm throw the screen transmitting terminal and can discern this key value information, change the key value information again under the condition of standard key value, it can discern this key value information to say to throw the screen transmitting terminal, then send this key value information to throw the screen transmitting terminal, make throw the screen transmitting terminal respond to this key value information, operate throwing the screen data.

The standard key value is a standard google original key value. The apparatus further comprises: and the generating unit is used for generating error information and controlling the screen to display the error information under the condition that the key value information is not the standard key value, wherein the error information is information representing that the key value information is wrong.

Of course, the program in the screen projection transmitting end can be modified firstly, so that the modified screen projection transmitting end can identify key value information in a required format. In another embodiment, the second control unit may further include: the third determining module is used for determining whether the key value information is a standard key value or not under the condition that the key value information sent by the remote controller is received; the third control module is used for controlling the screen projection receiving end to forward the key value information to the screen projection sending end through Bluetooth under the condition that the key value information is a standard key value; the conversion module is used for converting the key value information into the standard key value under the condition that the identification information is not the standard key value, and then controlling the screen projection receiving end to forward the converted key value information to the screen projection transmitting end through Bluetooth.

According to the embodiment, the screen throwing data sent by the screen throwing sending end are received and displayed on a screen of the screen throwing receiving end through the receiving unit; the method comprises the steps that target identity information of a screen throwing sending end is obtained through an obtaining unit, and a screen throwing receiving end and the screen throwing sending end are controlled to carry out Bluetooth pairing according to the target identity information; the first control unit is used for controlling the screen throwing receiving end to be connected with the screen throwing sending end through a Bluetooth HID protocol in a Bluetooth mode; and under the condition that the key value information sent by the remote controller is received by the second control unit, the screen throwing receiving end is controlled to forward the key value information to the screen throwing sending end through Bluetooth, so that the screen throwing sending end responds to the key value, and corresponding operation is carried out on screen throwing data on an interface of the screen throwing sending end. According to the identity information of the screen throwing sending end, the screen throwing receiving end is controlled to carry out Bluetooth pairing with the screen throwing sending end, and Bluetooth HID connection is carried out; when key value information of a remote controller is received, the control screen throwing receiving end sends the key value information to the screen throwing sending end through Bluetooth HID, so that the screen throwing sending end adjusts screen throwing data according to the key value information, the effect that the screen throwing receiving end reversely controls the screen throwing sending end is achieved, a user can adjust the screen throwing data on an interface of the screen throwing sending end through the remote controller, the user experience is guaranteed to be good, and the problem that in the prior art, a screen throwing mode needs to directly operate a mobile phone to adjust a mobile phone interface, and the user experience is poor is effectively solved.

The screen projection control device comprises a processor and a memory, wherein the receiving unit, the acquisition unit, the first control unit, the second control unit and the like are all stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions. The modules are all located in the same processor; alternatively, the modules may be located in different processors in any combination.

The processor includes a kernel, and the kernel fetches the corresponding program unit from the memory. The kernel can be provided with one or more than one kernel, and the problem that the user experience is poor because the screen-throwing mode in the prior art at least needs to directly operate the mobile phone to adjust the mobile phone interface is solved by adjusting kernel parameters.

The memory may include volatile memory, random Access Memory (RAM), and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM), among other forms in computer readable media, the memory including at least one memory chip.

The embodiment of the invention provides a computer readable storage medium, which comprises a stored program, wherein when the program runs, equipment where the computer readable storage medium is located is controlled to execute the screen projection control method.

Specifically, the screen projection control method comprises the following steps:

The embodiment of the invention provides a processor which is used for running a program, wherein the screen-throwing control method is executed when the program runs.

The embodiment of the invention provides an electronic device, which comprises a processor, a memory and a program stored on the memory and capable of running on the processor, wherein the processor realizes at least the following steps when executing the program:

The device herein may be a server, PC, PAD, cell phone, etc.

The present application also provides a computer program product adapted to perform a program initialized with at least the following method steps when executed on a data processing device:

The present application also provides a screen projection system, as shown in fig. 5, including: a screen sending end 110; a screen receiving end 112; a remote control 114 communicatively connected to the screen-projection receiving end 112; the controller 116 of the screen-cast receiving end 112 includes one or more processors, a memory, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for performing the method steps of:

In one embodiment, as shown in fig. 5, the controller 116 is built into the projection screen receiving end 112. The remote controller can be in communication connection with the screen-throwing receiving end in an infrared mode or a Bluetooth mode.

It will be appreciated by those skilled in the art that the modules or steps of the invention described may be implemented in a general purpose computing device, they may be concentrated on a single computing device, or distributed across a network of computing devices, they may be implemented in program code that is executable by computing devices, so that they may be stored in a memory device for execution by computing devices, and in some cases, the steps shown or described may be performed in a different order than that shown or described, or they may be separately fabricated into individual integrated circuit modules, or multiple modules or steps of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.

It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

In one typical configuration, a computing device 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, etc., such as Read Only Memory (ROM) or flash RAM. Memory is an example of a computer-readable medium.

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, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a 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 an element.

From the above description, it can be seen that the embodiments described herein achieve the following technical effects:

1) In the screen projection control method, firstly, screen projection data sent by a screen projection sending end are received and displayed on a screen of a screen projection receiving end; then, acquiring target identity information of a screen-throwing transmitting end, and controlling a screen-throwing receiving end to carry out Bluetooth pairing with the screen-throwing transmitting end according to the target identity information; the screen throwing receiving end is controlled to be connected with the screen throwing sending end through a Bluetooth HID protocol; and finally, under the condition that key value information sent by the remote controller is received, the screen throwing receiving end is controlled to forward the key value information to the screen throwing sending end through Bluetooth, so that the screen throwing sending end responds to the key value to perform corresponding operation on screen throwing data on an interface of the screen throwing sending end. According to the identity information of the screen throwing sending end, the screen throwing receiving end is controlled to carry out Bluetooth pairing with the screen throwing sending end, and Bluetooth HID connection is carried out; when key value information of a remote controller is received, the control screen throwing receiving end sends the key value information to the screen throwing sending end through Bluetooth HID, so that the screen throwing sending end adjusts screen throwing data according to the key value information, the effect that the screen throwing receiving end reversely controls the screen throwing sending end is achieved, a user can adjust the screen throwing data on an interface of the screen throwing sending end through the remote controller, the user experience is guaranteed to be good, and the problem that in the prior art, a screen throwing mode needs to directly operate a mobile phone to adjust a mobile phone interface, and the user experience is poor is effectively solved.

2) In the screen projection control device, screen projection data sent by a screen projection sending end are received through a receiving unit and displayed on a screen of the screen projection receiving end; the method comprises the steps that target identity information of a screen throwing sending end is obtained through an obtaining unit, and a screen throwing receiving end and the screen throwing sending end are controlled to carry out Bluetooth pairing according to the target identity information; the first control unit is used for controlling the screen throwing receiving end to be connected with the screen throwing sending end through a Bluetooth HID protocol in a Bluetooth mode; and under the condition that the key value information sent by the remote controller is received by the second control unit, the screen throwing receiving end is controlled to forward the key value information to the screen throwing sending end through Bluetooth, so that the screen throwing sending end responds to the key value, and corresponding operation is carried out on screen throwing data on an interface of the screen throwing sending end. According to the identity information of the screen throwing sending end, the screen throwing receiving end is controlled to carry out Bluetooth pairing with the screen throwing sending end, and Bluetooth HID connection is carried out; when key value information of a remote controller is received, the control screen throwing receiving end sends the key value information to the screen throwing sending end through Bluetooth HID, so that the screen throwing sending end adjusts screen throwing data according to the key value information, the effect that the screen throwing receiving end reversely controls the screen throwing sending end is achieved, a user can adjust the screen throwing data on an interface of the screen throwing sending end through the remote controller, the user experience is guaranteed to be good, and the problem that in the prior art, a screen throwing mode needs to directly operate a mobile phone to adjust a mobile phone interface, and the user experience is poor is effectively solved.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A screen projection control method, the method comprising:

receiving screen projection data sent by a screen projection sending end, and displaying the screen projection data on a screen of a screen projection receiving end;

acquiring target identity information of the screen projection transmitting end, and controlling the screen projection receiving end to carry out Bluetooth pairing with the screen projection transmitting end according to the target identity information;

the screen throwing receiving end is controlled to be connected with the screen throwing sending end through a Bluetooth HID protocol in a Bluetooth mode;

and under the condition that key value information sent by a remote controller is received, controlling the screen-throwing receiving end to forward the key value information to the screen-throwing sending end through Bluetooth, so that the screen-throwing sending end responds to the key value to perform corresponding operation on the screen-throwing data on an interface of the screen-throwing sending end, wherein the key value information is generated according to keys acted on by the remote controller.

2. The method of claim 1, wherein controlling the on-screen receiver to perform bluetooth pairing with the on-screen sender according to the target identity information comprises:

starting a Bluetooth function of the screen-throwing receiving end;

according to the target identity information, controlling the screen-throwing receiving end to initiate a Bluetooth pairing request, wherein the Bluetooth pairing request is used for requesting to pair with Bluetooth equipment with the identity information being the target identity information;

and under the condition that the received Bluetooth pairing information fed back by the screen-throwing sending end is received, the successful pairing with the screen-throwing sending end is determined.

3. The method of claim 2, wherein controlling the screen-cast receiving end to initiate a bluetooth pairing request comprises:

and controlling the screen-throwing receiving terminal to initiate the Bluetooth pairing request in one of a unicast mode, a multicast mode and a broadcast mode.

4. The method of claim 1, wherein controlling the screen-cast receiving end to perform bluetooth connection with the screen-cast transmitting end through a bluetooth HID protocol comprises:

acquiring the Bluetooth function of the screen-throwing transmitting end and the Bluetooth function of the screen-throwing receiving end;

Determining whether the Bluetooth function of the screen-throwing receiving end and the Bluetooth function of the screen-throwing sending end both comprise HID functions;

and under the condition that the Bluetooth function of the screen throwing receiving end and the Bluetooth function of the screen throwing transmitting end both comprise the HID function, controlling the screen throwing receiving end to carry out Bluetooth connection with the screen throwing transmitting end through the Bluetooth HID protocol.

5. The method according to claim 1, wherein, in the case of receiving the key value information sent by the remote controller, controlling the screen-projection receiving end to forward the key value information to the screen-projection sending end through bluetooth, includes:

under the condition that the key value information is received, determining whether the key value information is a standard key value or not;

and under the condition that the key value information is a standard key value, controlling the screen throwing receiving end to forward the key value information to the screen throwing sending end through Bluetooth.

6. The method according to any one of claims 1 to 5, wherein before receiving the screen projection data transmitted from the screen projection transmitting end and displaying the screen projection data on the screen of the screen projection receiving end, the method further comprises:

responding to first operation information, and controlling the screen-throwing receiving end to enter a screen-throwing mode, wherein the first operation information comprises information generated according to operation acting on the screen and operation information sent by the remote controller;

And under the condition that screen throwing request information sent by the screen throwing sending end is received, controlling the screen throwing receiving end to establish screen throwing connection with the screen throwing sending end.

7. The method of claim 6, wherein the screen connection comprises one of a screen connection via a Miracast protocol, a screen connection via a DLAN protocol, and a screen connection via an air play protocol, and obtaining the target identity information of the screen sender comprises one of:

under the condition of establishing the screen throwing connection, acquiring the target identity information,

and under the condition that the screen throwing data are received, acquiring the target identity information.

8. The method of any one of claims 1 to 5, wherein the key value information includes up, down, left, right, and confirmation.

9. A screen throw control device, the device comprising:

the receiving unit is used for receiving the screen throwing data sent by the screen throwing sending end and displaying the screen throwing data on a screen of the screen throwing receiving end;

the acquisition unit is used for acquiring the target identity information of the screen throwing transmitting end and controlling the screen throwing receiving end to carry out Bluetooth pairing with the screen throwing transmitting end according to the target identity information;

The first control unit is used for controlling the screen throwing receiving end to be in Bluetooth connection with the screen throwing sending end through a Bluetooth HID protocol;

the second control unit is used for controlling the screen-throwing receiving end to forward the key value information to the screen-throwing sending end through Bluetooth under the condition that the key value information sent by the remote controller is received, so that the screen-throwing sending end responds to the key value to perform corresponding operation on the screen-throwing data on the interface of the screen-throwing sending end, and the key value information is generated according to keys acted on by the remote controller.

10. A computer readable storage medium, characterized in that the computer readable storage medium comprises a stored program, wherein the program when run controls a device in which the computer readable storage medium is located to perform the method according to any one of claims 1 to 8.

11. A processor for running a program, wherein the program when run performs the method of any one of claims 1 to 8.

12. A screen projection system, comprising:

a screen throwing transmitting end;

a screen receiving end;

the remote controller is in communication connection with the screen-throwing receiving end;

The controller of the screen-throwing receiving end comprises: one or more processors, memory, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs comprising instructions for performing the method of any of claims 1-8.