CN113986167A - Screen projection control method and device, storage medium and display equipment - Google Patents
Screen projection control method and device, storage medium and display equipment Download PDFInfo
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- 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
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- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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Abstract
The embodiment of the application provides a screen projection control method, a screen projection control device, a storage medium and display equipment, wherein the screen projection control method comprises the following steps: the method comprises the steps of obtaining a screen projecting instruction sent by the electronic equipment, registering a control equipment service according to the screen projecting instruction, enabling the electronic equipment to establish connection with the display equipment when the display equipment inquires that the display equipment supports the control equipment service, synchronously displaying a display picture in the connected electronic equipment, obtaining the control instruction, and sending the control instruction to the connected electronic equipment so as to control the display picture in the electronic equipment. The display equipment is registered with the control equipment service, and then the display equipment which is registered with the control equipment service is connected with the electronic equipment, so that the display equipment can acquire the control authority to control a display picture in the electronic equipment by using the display equipment.
Description
Technical Field
The present application relates to the field of screen projection control technologies, and in particular, to a screen projection control method and apparatus, a storage medium, and a display device.
Background
With the continuous development of screen projection control technology, the screen projection control technology is widely applied in various fields. The existing screen projection control technology can only realize one-way control, for example, a picture displayed on a television is controlled in real time by using a computer, and if the screen projection control is to be realized (namely, the television is used as a control device, and the computer is used as a controlled device), the control of the picture displayed in the computer can only be realized by adopting a private protocol mode (for example, a specific application program is installed), so that the operation process of the screen projection control is relatively complex, and the compatibility between the television and the specific application program is poor due to certain requirements of the specific application program on the applicable television, so that some televisions cannot use the specific application program to control the screen projection of the computer.
Disclosure of Invention
The embodiment of the application provides a screen projection control method and device, a storage medium and a display device, and operability and compatibility of screen projection control can be improved.
The embodiment of the application provides a screen projection control method, which is applied to display equipment and comprises the following steps:
acquiring a screen projection instruction sent by electronic equipment;
registering a control device service according to the screen projection instruction, so that the electronic device establishes connection with the display device when inquiring that the display device supports the control device service;
synchronously displaying the display pictures in the connected electronic equipment;
and acquiring a control instruction, and sending the control instruction to the connected electronic equipment so as to control a display picture in the electronic equipment.
Wherein, the registering of the control device service according to the screen projection instruction to enable the electronic device to establish a connection with the display device when the electronic device inquires that the display device supports the control device service comprises:
generating a device authority identifier according to the screen projection instruction, wherein the device authority identifier is used for indicating that the display device has a control device service;
and sending the device authority identifier to the electronic device, so that the electronic device determines that the display device supports the control device service according to the device authority identifier, and the connection with the display device is established.
Wherein the sending the device permission identifier to the electronic device includes:
receiving a service inquiry request sent by the electronic equipment;
and returning the equipment authority identification to the electronic equipment according to the service inquiry request.
Wherein the sending the device permission identifier to the electronic device includes:
generating broadcast information and broadcasting the broadcast information;
receiving a service query request sent by the electronic equipment according to the broadcast information;
and returning the equipment authority identification to the electronic equipment according to the service inquiry request.
Wherein the sending the control instruction to the connected electronic device to control a display screen in the electronic device includes:
and converting the control instruction into a standard protocol instruction, and sending the standard protocol instruction to the connected electronic equipment so as to control a display picture in the electronic equipment.
Wherein the obtaining of the control instruction comprises:
receiving a control instruction sent by a remote control device; or,
detecting touch operation on the display equipment, and generating a control instruction according to the touch operation; or,
and detecting a user gesture, and generating a control instruction according to the user gesture.
The embodiment of the present application further provides a screen projection control device, which is applied to a display device, the device includes:
the acquisition module is used for acquiring a screen projection instruction sent by the electronic equipment;
the connection module is used for registering control equipment service according to the screen projection instruction, so that the electronic equipment establishes connection with the display equipment when inquiring that the display equipment supports the control equipment service;
the display module is used for synchronously displaying the display pictures in the connected electronic equipment;
and the control module is used for acquiring a control instruction and sending the control instruction to the connected electronic equipment so as to control a display picture in the electronic equipment.
Wherein, the connection module is specifically configured to:
generating a device authority identifier according to the screen projection instruction, wherein the device authority identifier is used for indicating that the display device has a control device service;
and sending the device authority identifier to the electronic device, so that the electronic device determines that the display device supports the control device service according to the device authority identifier, and the connection with the display device is established.
The embodiment of the application also provides a computer-readable storage medium, wherein a plurality of instructions are stored in the storage medium, and the instructions are suitable for being loaded by a processor to execute any one of the screen projection control methods.
The embodiment of the application further provides display equipment which comprises a processor and a memory, wherein the processor is electrically connected with the memory, the memory is used for storing instructions and data, and the processor is used for executing the steps in any one of the screen projection control methods.
The embodiment of the application provides a screen projection control method, a screen projection control device, a storage medium and a display device, wherein a screen projection instruction sent by an electronic device is obtained, a control device service is registered according to the screen projection instruction, so that the electronic device establishes connection with the display device when the display device inquires that the display device supports the control device service, a display picture in the connected electronic device is synchronously displayed, the control instruction is obtained, and the control instruction is sent to the connected electronic device so as to control the display picture in the electronic device. The display equipment is registered with the control equipment service, and then the display equipment which is registered with the control equipment service is connected with the electronic equipment, so that the display equipment can acquire the control authority to realize the control of the display picture in the electronic equipment by using the display equipment.
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The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic flow chart of a screen projection control method provided in an embodiment of the present application.
Fig. 2 is a schematic view of a screen projection control scene provided in an embodiment of the present application.
Fig. 3 is a schematic view of another scenario of the screen projection control provided in the embodiment of the present application.
Fig. 4 is another schematic flow chart of a screen projection control method according to an embodiment of the present application.
Fig. 5 is a schematic structural diagram of a screen projection control device according to an embodiment of the present application.
Fig. 6 is a schematic structural diagram of a display device according to an embodiment of the present application.
Fig. 7 is another schematic structural diagram of a display device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a screen projection control method and device, a storage medium and a display device.
As shown in fig. 1, fig. 1 is a schematic flowchart of a screen projection control method provided in an embodiment of the present application, where the screen projection control method is applied to a display device, the display device may be a device with a screen projection function, such as a television, and a specific flow may be as follows:
s101, a screen projection instruction sent by the electronic equipment is obtained.
Specifically, the electronic device is used as a control device, and the display device is used as a controlled device, so that the display screen of the display device can be synchronously changed along with the change of the display screen of the electronic device. As shown in fig. 2 or fig. 3, the electronic device scans all display devices in the same local area network as the electronic device through bluetooth on the screen projection device selection interface 2001, the user can click the display device control 2002 to be connected with screen projection, and the electronic device sends a screen projection instruction to the display device in response to the click operation.
And S102, registering the service of the control equipment according to the screen projection instruction, so that the electronic equipment establishes connection with the display equipment when inquiring that the display equipment supports the service of the control equipment.
The control Device service is a bluetooth HID (Human Interface Device) control Device service. The display device registers the Bluetooth HID control device service after receiving the screen projection instruction, the display device has the function of the control device after the registration is completed, the electronic device can inquire that the display device is the device supporting the Bluetooth HID control device service, and then can send a connection request to the display device so as to enable the electronic device to be connected with the display device, and at the moment, the display device obtains the control authority of the electronic device.
Further, the step S102 may specifically include:
generating a device authority identifier according to the screen projection instruction, wherein the device authority identifier is used for indicating that the display device has a control device service;
and sending the device authority identifier to the electronic device, so that the electronic device determines that the display device supports the control device service according to the device authority identifier, and the connection with the display device is established.
The device authority identifier may be an HID report descriptor, and the HID report descriptor includes description information defined in the HID protocol. The display device generates an HID report descriptor after receiving a screen projection instruction, sends the HID report descriptor to a memory in the display device through an SDP (Session Description Protocol record) service query interface or an ATTcharactistic (data interaction Protocol characteristic data) service query interface for storage, and after the display device sends the HID report descriptor to the electronic device, the electronic device can determine that the display device supports Bluetooth HID control device service and establishes connection with the display device.
In an embodiment, the process of sending the device permission identifier to the electronic device in the above step may specifically include:
receiving a service inquiry request sent by electronic equipment;
and returning the equipment authority identification to the electronic equipment according to the service inquiry request.
When the electronic equipment and the display equipment enter a pairing process, the electronic equipment sends a service inquiry request to the display equipment. As shown in fig. 2, when a user uses the electronic device to click a "connect to TV 1" button 2004 to initiate a pairing request to the display device, the display device may pair with the electronic device after receiving the pairing request, specifically, the electronic device generates and stores key information during the pairing process, the key information includes an encryption key and a decryption key, optionally, the key information may be generated according to a symmetric encryption algorithm or an asymmetric encryption algorithm (the encryption key generated according to the symmetric encryption algorithm is the same as the decryption key, and the encryption key generated according to the asymmetric encryption algorithm is different from the decryption key), the key information is used for encrypting a data transmission process after a subsequent connection between the display device and the electronic device, so as to improve the security of the data transmission process, further, the electronic device sends the key information to the display device for storage, and simultaneously, sending a service query request to the display equipment, sending the equipment authority identification stored in the memory to the electronic equipment through the service query interface after the display equipment receives the service query request, and immediately initiating a connection request to the display equipment by the electronic equipment so as to establish connection with the display equipment.
In another embodiment, the process of transmitting the device rights identifier to the electronic device may include:
generating broadcast information and broadcasting the broadcast information;
receiving a service inquiry request sent by the electronic equipment according to the broadcast information;
and returning the equipment authority identification to the electronic equipment according to the service inquiry request.
After the display device stores the device permission identifier in the memory, the display device immediately generates broadcast information, the broadcast information can include a Bluetooth address and display device attribute information, and broadcasts the broadcast information, and the electronic device can automatically send a pairing request to the display device after acquiring the broadcast information, so that a user does not need to manually trigger the pairing request, user operation is simplified, and user experience is improved. Optionally, in the pairing process, the electronic device may generate and store key information, and send the key information to the display device for storage, and at the same time, the electronic device sends a service query request to the display device, after receiving the service query request, the display device sends the device permission identifier stored in the memory to the electronic device through the service query interface, and the electronic device immediately initiates a connection request to the display device to establish a connection with the display device.
And S103, synchronously displaying the display screen in the connected electronic equipment.
After the electronic device is connected with the display device, the screen can be projected, that is, the screen of the display device synchronously displays the picture displayed in the screen of the electronic device. For example, as shown in fig. 2 or fig. 3, after the display device is connected to the electronic device, the electronic device displays a rectangular picture 2006, and at this time, the display screen of the display device also displays the rectangular picture 2006 in the same manner.
And S104, acquiring a control instruction, and sending the control instruction to the connected electronic equipment so as to control a display picture in the electronic equipment.
The control instruction comprises a control instruction sent by a receiving remote control device, for example, the display device is a television capable of receiving infrared signals, when the remote controller sends an infrared signal for pausing playing to the television, the television can obtain the control instruction for pausing playing and pause playing of a current video; or, detecting a touch operation on the display device, and generating a control instruction according to the touch operation, for example, the display device is a television with a touch screen function, and when a user touches a "continue playing" key on a screen of the television, the television can obtain the control instruction for continuing playing and continue playing a video; or, detecting a user gesture, and generating a control instruction according to the user gesture, for example, the display device has a gesture recognition function, and when the television detects that the palm of the user moves rightward by a preset distance in the detection region, the control instruction for video fast forwarding may be obtained, and the video currently played is fast forwarded.
The display device changes the display picture in the screen according to the acquired control instruction, because the electronic device cannot directly read the content of the control instruction, the display device needs to convert the control command into a standard protocol command, specifically, a bluetooth standard HID protocol, and the standard protocol command is sent to the connected electronic equipment in a report type input mode by using the encryption key, the electronic equipment decrypts the standard protocol command by using the decryption key after receiving the standard protocol command, the standard protocol command can be obtained, so that the display picture of the screen of the electronic equipment is synchronously changed along with the change of the display picture of the screen of the display equipment, for example, when a television is playing a video, a user clicks a pause button on a television screen, the video displayed on the television screen is paused, and meanwhile, the video displayed on a mobile phone screen is also in a paused state. Due to the adoption of the standard protocol, a specific application program is not required to be additionally installed, so that the method can be suitable for the display equipment supporting screen projection functions of different versions, and the operability and compatibility of screen projection control are improved.
As shown in fig. 4, fig. 4 is another schematic flow chart of the screen projection control method provided in the embodiment of the present application, and the specific flow may be as follows:
s201, acquiring a screen projection instruction sent by the electronic equipment.
For example, as shown in fig. 2 or fig. 3, when the user clicks a TV1 control 2002 to be connected for screen projection on a screen projection device selection interface 2001 in the mobile phone, the mobile phone sends a screen projection instruction to a television with a device name of TV1, so that the television starts a screen projection mode, and simultaneously, the interface in the mobile phone automatically jumps to a screen projection connection interface 2003.
S202, generating a device authority identifier according to the screen projection instruction, wherein the device authority identifier is used for indicating that the display device has a control device service.
For example, the TV1 generates the HID report descriptor upon receiving the screen-projection command, and sends the HID report descriptor to the local storage for storage through the SDP record service query interface.
And S203, sending the device authority identifier to the electronic device, so that the electronic device determines that the display device supports the control device service according to the device authority identifier, and the connection with the display device is established.
In an application scenario, for example, as shown in fig. 2, a user clicks a "connect to TV 1" button 2004 on a screen projection connection interface 2003 in a mobile phone, the mobile phone immediately initiates a pairing request to a TV1, and simultaneously displays a prompt message 2005 of "pairing connection is being paired, please wait for …" on the screen projection connection interface 2003 in the mobile phone, the TV1 establishes a pairing relationship with the mobile phone after receiving the pairing request, the mobile phone generates an encryption key jmmy123 and a decryption key jmmy123 by using a symmetric encryption algorithm in the pairing process, the mobile phone stores the encryption key and the decryption key and then sends the encryption key and the decryption key to the TV1 together with a service query request, the TV1 stores the decryption key and the decryption key in a local memory, and sends a report descriptor stored in the memory to the mobile phone through the service query interface, and the mobile phone determines that the TV1 supports a control device service after obtaining the HID report descriptor, the handset then initiates a connection request to the television TV1 to establish a connection with the television TV 1.
In another application scenario, for example, as shown in fig. 3, a television TV1 sends out broadcast information carrying a bluetooth address 22:22: ac:00: f3:74 and a device attribute identifier ds333, a mobile phone receives the broadcast information and then automatically sends a pairing request to a television TV1, the television TV1 receives the pairing request and then establishes a pairing relationship with the mobile phone, meanwhile, the mobile phone uses a symmetric encryption algorithm to generate an encryption key jmmy123 and a decryption key jmmy123 in the pairing process, the mobile phone stores the encryption key and the decryption key, then sends the encryption key, the decryption key and a service query request to the television TV1, the television TV1 stores the decryption key and the decryption key in a local memory, and sends an HID report descriptor stored in the memory to the mobile phone through a service query interface, the mobile phone can determine that the television HID TV1 supports a control device service after obtaining the report descriptor, the handset then initiates a connection request to the television TV1 to establish a connection with the television TV 1.
And S204, synchronously displaying the display screen in the connected electronic equipment.
For example, as shown in fig. 2 or fig. 3, after the TV1 is connected to a mobile phone, the rectangular picture 2006 is displayed on the display interface of the mobile phone, and at this time, the rectangular picture 2006 is also displayed on the display screen of the TV 1.
S205, acquiring a control instruction, and sending the control instruction to the connected electronic equipment to control a display picture in the electronic equipment.
For example, as shown in fig. 2 or fig. 3, a user uses a remote controller to control a television TV1 to switch from a current picture to a next picture, after obtaining the picture switching instruction, the television TV1 converts the picture switching instruction into a standard protocol instruction, then encrypts the standard protocol instruction by using an encryption key jmmy123, and sends the standard protocol instruction to a mobile phone in a report type input manner, the mobile phone decrypts the standard protocol instruction by using a decryption key jmmy123, so as to display the next picture according to the content of the read standard protocol instruction, and at this time, a triangular picture 2007 is displayed in both a television TV1 screen and a mobile phone screen.
As can be seen from the above, the screen-projecting control method provided by the present application is applied to a display device, obtains a screen-projecting instruction sent by an electronic device, registers a control device service according to the screen-projecting instruction, so that the electronic device establishes a connection with the display device when inquiring that the display device supports the control device service, synchronously displays a display screen in the connected electronic device, obtains the control instruction, and sends the control instruction to the connected electronic device to control the display screen in the electronic device. The display equipment is registered with the control equipment service, and then the display equipment which is registered with the control equipment service is connected with the electronic equipment, so that the display equipment can acquire the control authority to realize the control of the display picture in the electronic equipment by using the display equipment.
According to the method described in the foregoing embodiment, this embodiment will be further described from the perspective of a screen projection control device, which may be specifically implemented as an independent entity or integrated in a display device, where the display device may be a device with a screen projection function, such as a television.
Referring to fig. 5, fig. 5 specifically describes a screen projection control device provided in an embodiment of the present application, which is applied to a display device, and the screen projection control device may include: an acquisition module 10, a connection module 20, a display module 30 and a control module 40, wherein:
(1) acquisition module 10
The obtaining module 10 is configured to obtain a screen projection instruction sent by the electronic device.
(2) Connection module 20
And the connection module 20 is configured to register a control device service according to the screen projection instruction, so that the electronic device establishes a connection with the display device when inquiring that the display device supports the control device service.
The connection module 20 specifically includes:
the generating unit 21 is configured to generate a device permission identifier according to the screen projection instruction, where the device permission identifier is used to indicate that the display device has a device control service;
and the sending unit 22 is configured to send the device permission identifier to the electronic device, so that the electronic device determines, according to the device permission identifier, that the display device supports a control device service, to establish a connection with the display device.
Specifically, the sending unit 22 is specifically configured to:
receiving a service inquiry request sent by electronic equipment;
and returning the equipment authority identification to the electronic equipment according to the service inquiry request.
The sending unit 22 is further operable to:
generating broadcast information and broadcasting the broadcast information;
receiving a service inquiry request sent by the electronic equipment according to the broadcast information;
and returning the equipment authority identification to the electronic equipment according to the service inquiry request.
(3) Display module 30
And the display module 30 is used for synchronously displaying the display screens in the connected electronic equipment.
(4) Control module 40
And the control module is used for acquiring the control instruction and sending the control instruction to the connected electronic equipment so as to control the display picture in the electronic equipment.
The control module 40 specifically includes:
an instruction obtaining unit 41, configured to receive a control instruction sent by a remote control device; or detecting touch operation on the display equipment and generating a control instruction according to the touch operation; or detecting a user gesture and generating a control instruction according to the user gesture.
And the control unit 42 is used for converting the control instruction into a standard protocol instruction and sending the standard protocol instruction to the connected electronic equipment so as to control the display screen in the electronic equipment.
In a specific implementation, the above units may be implemented as independent entities, or may be combined arbitrarily to be implemented as the same or several entities, and the specific implementation of the above units may refer to the foregoing method embodiments, which are not described herein again.
Therefore, the screen projection control device provided by the application is applied to the display equipment, acquires the screen projection instruction sent by the electronic equipment, registers the control equipment service according to the screen projection instruction, enables the electronic equipment to establish connection with the display equipment when the display equipment supports the control equipment service, synchronously displays the display picture in the connected electronic equipment, acquires the control instruction, and sends the control instruction to the connected electronic equipment so as to control the display picture in the electronic equipment. The display equipment is registered with the control equipment service, and then the display equipment which is registered with the control equipment service is connected with the electronic equipment, so that the display equipment can acquire the control authority to realize the control of the display picture in the electronic equipment by using the display equipment.
Correspondingly, the embodiment of the invention also provides a screen projection control system which comprises any one of the screen projection control devices provided by the embodiment of the invention, and the screen projection control device can be integrated in the display equipment.
Acquiring a screen projection instruction sent by electronic equipment; registering the service of the control equipment according to the screen projection instruction, so that the electronic equipment establishes connection with the display equipment when inquiring that the display equipment supports the service of the control equipment; synchronously displaying display pictures in the connected electronic equipment; and acquiring a control instruction, and sending the control instruction to the connected electronic equipment so as to control a display picture in the electronic equipment.
The specific implementation of each device can be referred to the previous embodiment, and is not described herein again.
Since the screen projection control system may include any one of the screen projection control devices provided in the embodiments of the present invention, the beneficial effects that can be achieved by any one of the screen projection control devices provided in the embodiments of the present invention can be achieved, which are detailed in the foregoing embodiments and will not be described herein again.
In addition, the embodiment of the application also provides a display device, and the display device can be a device with a screen projection function, such as a television. As shown in fig. 6, the display device 200 includes a processor 201, a memory 202. The processor 201 is electrically connected to the memory 202.
The processor 201 is a control center of the display apparatus 200, connects various parts of the entire display apparatus using various interfaces and lines, performs various functions of the display apparatus and processes data by running or loading an application program stored in the memory 202 and calling data stored in the memory 202, thereby performing overall monitoring of the display apparatus.
In this embodiment, the processor 201 in the display device 200 loads instructions corresponding to processes of one or more application programs into the memory 202, and the processor 201 runs the application programs stored in the memory 202, so as to implement various functions as follows:
acquiring a screen projection instruction sent by electronic equipment;
registering the service of the control equipment according to the screen projection instruction, so that the electronic equipment establishes connection with the display equipment when inquiring that the display equipment supports the service of the control equipment;
synchronously displaying display pictures in the connected electronic equipment;
and acquiring a control instruction, and sending the control instruction to the connected electronic equipment so as to control a display picture in the electronic equipment.
Fig. 7 is a block diagram showing a specific structure of a display device according to an embodiment of the present invention, where the display device may be used to implement the screen projection control method provided in the above-described embodiment. The display device 300 may be a television or other device having a screen projection function.
The RF circuit 310 is used for receiving and transmitting electromagnetic waves, and performing interconversion between the electromagnetic waves and electrical signals, thereby communicating with a communication network or other devices. RF circuitry 310 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, memory, and so forth. RF circuit 310 may communicate with various networks such as the internet, an intranet, a wireless network, or with other devices over a wireless network. The wireless network may comprise a cellular telephone network, a wireless local area network, or a metropolitan area network. The Wireless network may use various Communication standards, protocols, and technologies, including, but not limited to, Global System for Mobile Communication (GSM), Enhanced Data GSM Environment (EDGE), Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Wireless Fidelity (Wi-Fi) (e.g., Institute of Electrical and Electronics Engineers (IEEE) standard IEEE802.11 a, IEEE802.11 b, IEEE802.11g, and/or IEEE802.11 n), Voice over Internet Protocol (VoIP), world wide mail Access (Microwave Access for micro), wimax-1, other suitable short message protocols, and any other suitable Protocol for instant messaging, and may even include those protocols that have not yet been developed.
The memory 320 may be used to store software programs and modules, such as program instructions/modules for converting the detection signal into the target character in the above-mentioned embodiment, and the processor 380 executes various functional applications and data processing, i.e., functions for storing 5G capability information, by running the software programs and modules stored in the memory 320. The memory 320 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, memory 320 may further include memory located remotely from processor 380, which may be connected to display device 300 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 input unit 330 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, the input unit 330 may include a touch-sensitive surface 331 as well as other input devices 332. The touch-sensitive surface 331, also referred to as a touch screen or touch pad, may collect touch operations by a user on or near the touch-sensitive surface 331 (e.g., operations by a user on or near the touch-sensitive surface 331 using a finger, a stylus, or any other suitable object or attachment), and drive the corresponding connection device according to a predetermined program. Alternatively, the touch sensitive surface 331 may comprise two parts, a touch detection means and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 380, and can receive and execute commands sent by the processor 380. In addition, the touch-sensitive surface 331 may be implemented using various types of resistive, capacitive, infrared, and surface acoustic waves. The input unit 330 may comprise other input devices 332 in addition to the touch sensitive surface 331. In particular, other input devices 332 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 340 may be used to display information input by or provided to a user and various graphical user interfaces of the display device 300, which may be made up of graphics, text, icons, video, and any combination thereof. The Display unit 340 may include a Display panel 341, and optionally, the Display panel 341 may be configured in the form of an LCD (Liquid Crystal Display), an OLED (Organic Light-Emitting Diode), or the like. Further, touch-sensitive surface 331 may overlay display panel 341, and when touch-sensitive surface 331 detects a touch operation thereon or thereabout, communicate to processor 380 to determine the type of touch event, and processor 380 then provides a corresponding visual output on display panel 341 in accordance with the type of touch event. Although in FIG. 7, touch-sensitive surface 331 and display panel 341 are implemented as two separate components for input and output functions, in some embodiments, touch-sensitive surface 331 and display panel 341 may be integrated for input and output functions.
The display device 300 may also include at least one sensor 350, such as light sensors, motion sensors, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display panel 341 according to the brightness of ambient light, and a proximity sensor that may turn off the display panel 341 and/or the backlight when the display device 300 is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the mobile phone is stationary, and can be used for applications of recognizing the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be further configured on the display device 300, detailed descriptions thereof are omitted.
The display device 300, which may assist the user in emailing, browsing web pages, accessing streaming media, etc., through a transport module 370 (e.g., a Wi-Fi module), provides the user with wireless broadband internet access. Although fig. 7 shows the transmission module 370, it is understood that it does not belong to the essential constitution of the display device 300 and may be omitted entirely as needed within the scope not changing the essence of the invention.
The processor 380 is a control center of the display device 300, connects various parts of the entire cellular phone using various interfaces and lines, and performs various functions of the display device 300 and processes data by operating or executing software programs and/or modules stored in the memory 320 and calling data stored in the memory 320. Optionally, processor 380 may include one or more processing cores; in some embodiments, processor 380 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 380.
The display device 300 also includes a power supply 390 (e.g., a battery) for powering the various components, which may be logically coupled to the processor 380 via a power management system in some embodiments to manage charging, discharging, and power consumption management functions via the power management system. The power supply 390 may also include any component including one or more of a dc or ac power source, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.
Although not shown, the display device 300 may further include a camera (e.g., a front camera, a rear camera), a bluetooth module, etc., which are not described in detail herein. Specifically, in this embodiment, the display unit of the display device is a touch screen display, the display device further includes a memory, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the one or more processors, and the one or more programs include instructions for:
acquiring a screen projection instruction sent by electronic equipment;
registering the service of the control equipment according to the screen projection instruction, so that the electronic equipment establishes connection with the display equipment when inquiring that the display equipment supports the service of the control equipment;
synchronously displaying display pictures in the connected electronic equipment;
and acquiring a control instruction, and sending the control instruction to the connected electronic equipment so as to control a display picture in the electronic equipment.
In specific implementation, the above modules may be implemented as independent entities, or may be combined arbitrarily to be implemented as the same or several entities, and specific implementation of the above modules may refer to the foregoing method embodiments, which are not described herein again.
It will be understood by those skilled in the art that all or part of the steps of the methods of the above embodiments may be performed by instructions or by associated hardware controlled by the instructions, which may be stored in a computer readable storage medium and loaded and executed by a processor. To this end, embodiments of the present invention provide a storage medium, in which a plurality of instructions are stored, where the instructions can be loaded by a processor to execute steps in any one of the screen projection control methods provided by the embodiments of the present invention.
Wherein the storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
Since the instructions stored in the storage medium can execute the steps in any screen projection control method provided in the embodiments of the present invention, the beneficial effects that can be achieved by any screen projection control method provided in the embodiments of the present invention can be achieved, which are detailed in the foregoing embodiments and will not be described herein again.
The above operations can be implemented in the foregoing embodiments, and are not described in detail herein.
In summary, although the present application has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present application, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, so that the scope of the present application shall be determined by the appended claims.
Claims (10)
1. A screen projection control method is applied to a display device, and comprises the following steps:
acquiring a screen projection instruction sent by electronic equipment;
registering a control device service according to the screen projection instruction, so that the electronic device establishes connection with the display device when inquiring that the display device supports the control device service;
synchronously displaying the display pictures in the connected electronic equipment;
and acquiring a control instruction, and sending the control instruction to the connected electronic equipment so as to control a display picture in the electronic equipment.
2. The screen projection control method of claim 1, wherein registering a control device service according to the screen projection instruction to enable the electronic device to establish a connection with the display device when the display device is inquired to support the control device service comprises:
generating a device authority identifier according to the screen projection instruction, wherein the device authority identifier is used for indicating that the display device has a control device service;
and sending the device authority identifier to the electronic device, so that the electronic device determines that the display device supports the control device service according to the device authority identifier, and the connection with the display device is established.
3. The screen projection control method of claim 2, wherein the sending the device permission identifier to the electronic device comprises:
receiving a service inquiry request sent by the electronic equipment;
and returning the equipment authority identification to the electronic equipment according to the service inquiry request.
4. The screen projection control method of claim 2, wherein the sending the device permission identifier to the electronic device comprises:
generating broadcast information and broadcasting the broadcast information;
receiving a service query request sent by the electronic equipment according to the broadcast information;
and returning the equipment authority identification to the electronic equipment according to the service inquiry request.
5. The screen projection control method according to claim 1, wherein the sending the control instruction to the connected electronic device to control a display screen in the electronic device comprises:
and converting the control instruction into a standard protocol instruction, and sending the standard protocol instruction to the connected electronic equipment so as to control a display picture in the electronic equipment.
6. The screen projection control method of claim 1, wherein the obtaining of the control instruction comprises:
receiving a control instruction sent by a remote control device; or,
detecting touch operation on the display equipment, and generating a control instruction according to the touch operation; or,
and detecting a user gesture, and generating a control instruction according to the user gesture.
7. A screen projection control device is applied to a display device, and comprises:
the acquisition module is used for acquiring a screen projection instruction sent by the electronic equipment;
the connection module is used for registering control equipment service according to the screen projection instruction, so that the electronic equipment establishes connection with the display equipment when inquiring that the display equipment supports the control equipment service;
the display module is used for synchronously displaying the display pictures in the connected electronic equipment;
and the control module is used for acquiring a control instruction and sending the control instruction to the connected electronic equipment so as to control a display picture in the electronic equipment.
8. The screen projection control device of claim 7, wherein the connection module is specifically configured to:
generating a device authority identifier according to the screen projection instruction, wherein the device authority identifier is used for indicating that the display device has a control device service;
and sending the device authority identifier to the electronic device, so that the electronic device determines that the display device supports the control device service according to the device authority identifier, and the connection with the display device is established.
9. A computer-readable storage medium having stored thereon a plurality of instructions adapted to be loaded by a processor to perform the screen projection control method of any of claims 1 to 6.
10. A display device, comprising a processor and a memory, wherein the processor is electrically connected to the memory, the memory is used for storing instructions and data, and the processor is used for executing the steps of the screen projection control method according to any one of claims 1 to 6.
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