CN107423238B - Screen projection connection method and device and computer readable storage medium - Google Patents
Screen projection connection method and device and computer readable storage medium Download PDFInfo
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- CN107423238B CN107423238B CN201710617489.0A CN201710617489A CN107423238B CN 107423238 B CN107423238 B CN 107423238B CN 201710617489 A CN201710617489 A CN 201710617489A CN 107423238 B CN107423238 B CN 107423238B
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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Abstract
The embodiment of the invention discloses a method and a device for screen projection connection and a computer readable storage medium. The method comprises the following steps: acquiring geographic position information of a current terminal and a preset projection limiting condition; searching target equipment according to the projection limiting conditions and the geographical position information of the current terminal; and acquiring the connection address of the target equipment, and establishing screen projection connection. The terminal includes: the invention relates to a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the computer program, when executed by the processor, implements the steps of the method for screen projection interfacing provided by the invention. The computer readable storage medium has stored thereon a screen projection connection program, which when executed by a processor implements the steps of the screen projection connection method provided by the present invention. The invention improves the connection speed of screen projection, enriches the methods for establishing screen projection connection and greatly improves the user experience.
Description
Technical Field
The present invention relates to the field of screen projection technologies, and in particular, to a method and an apparatus for screen projection connection, and a computer-readable storage medium.
Background
The screen projection means that the terminal sends the screen image of the terminal itself to the receiving end as projection data, and the receiving end receives the projection data and reproduces the screen image of the terminal on the screen of the terminal itself.
In the existing screen projection technology, when establishing screen projection connection, a user is required to manually set a terminal and a receiving terminal, then the terminal scans and searches for screen projection equipment and displays all the screen projection equipment in a list form, then the user is required to select target equipment from the searched screen projection equipment, and finally the terminal initiates a screen projection connection request to the target equipment. The whole screen projection connection process is complicated, a user needs to manually set a terminal receiving end and select target equipment, the process of searching the screen projection equipment by the terminal is very time-consuming, the screen projection connection efficiency is seriously influenced, and the user experience is greatly influenced.
Disclosure of Invention
The embodiment of the invention provides a method and a device for screen projection connection and a computer readable storage medium, aiming at intelligently selecting projection equipment and improving user experience.
In view of the above, in a first aspect, an embodiment of the present invention provides a method for connecting a screen projection, including:
acquiring geographic position information of a current terminal and a preset projection limiting condition;
searching target equipment according to the projection limiting conditions and the geographical position information of the current terminal;
and acquiring the connection address of the target equipment, and establishing screen projection connection.
In one possible design, the projection constraints include a target region shape and a target region size.
In one possible design, the target area is shaped as a sector.
In one possible design, the searching for the target device according to the projection limitation condition and the geographic location information of the current terminal includes:
acquiring the geographical position of the vertical center line of the current terminal according to the geographical position information of the current terminal;
enabling the axial symmetry line of the shape of the target area to fall on the geographical position of the vertical central line, and acquiring the corresponding geographical position range of the target area according to the size of the target area;
and recording the projection devices in the corresponding geographical position range of the target area as target devices.
In one possible design, the projection constraints include a maximum included angle and a maximum distance.
In one possible design, the obtaining the connection address of the target device and establishing the screen projection connection includes:
sending a connection address request to the target device;
receiving response information returned by the target equipment, and analyzing the connection address of the target equipment according to the response information;
and initiating a connection request to the connection address.
In one possible design, the initiating the connection request to the connection address includes:
judging whether the number of the connection addresses is two or more;
if yes, selecting one of the connection addresses according to a preset rule, and initiating a connection request to the connection address.
In one possible design, the preset rules include:
selecting a connection address of a target device closest to the current terminal; or
And selecting the connection address of the target equipment with the smallest included angle with the current terminal.
A second aspect of an embodiment of the present invention provides a terminal, including: the computer program is stored on the memory and can be run on the processor, and when being executed by the processor, the computer program realizes the steps of the method for screen projection connection provided by any embodiment of the invention.
A third aspect of the embodiments of the present invention provides a computer-readable storage medium, where a screen projection connection program is stored on the computer-readable storage medium, and when being executed by a processor, the screen projection connection program implements the steps of the screen projection connection method provided in any embodiment of the present invention.
According to the technical scheme, the time for searching the screen projection equipment is saved, the complicated process for selecting the screen projection target equipment is omitted, the connection speed of screen projection is increased, the method for establishing screen projection connection is enriched, and the user experience is greatly improved through the setting of the preset projection limiting conditions.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present invention;
fig. 2 is a diagram of a communication network system architecture according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a method for screen projection interfacing according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of another embodiment of a method for screen projection interfacing of the present invention;
FIG. 5 is a schematic diagram of another embodiment of a method for screen projection interfacing of the present invention;
FIG. 6 is a schematic view of one embodiment of a target area shape of the present invention;
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.
The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).
WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a 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 fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device 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 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.
Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.
The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.
Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.
In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based is described below.
Referring to fig. 2, fig. 2 is an architecture diagram of a communication Network system according to an embodiment of the present invention, where the communication Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes a UE (user equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.
Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.
The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Among them, the eNodeB2021 may be connected with other eNodeB2022 through backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.
The EPC203 may include an MME (mobility management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving GateWay) 2034, a PGW (PDN GateWay) 2035, and a PCRF (Policy and Charging Rules Function) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
The IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem), or other IP services, among others.
Although the LTE system is described as an example, it should be understood by those skilled in the art that the present invention is not limited to the LTE system, but may also be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.
Based on the above mobile terminal hardware structure and communication network system, the present invention provides various embodiments of the method.
Referring to fig. 3, fig. 3 is a schematic diagram of an embodiment of a method for connecting screen projection according to the present invention, including:
301. starting;
302. acquiring geographic position information of a current terminal and a preset projection limiting condition;
in specific implementation, the projection limit condition can be set or changed by a user; the projection limitation condition limits the positional relationship between the current terminal and the target device for realizing the screen projection.
303. Searching target equipment according to the projection limiting conditions and the geographical position information of the current terminal;
because the projection limiting condition limits the position relation between the current terminal and the target equipment for realizing screen projection, the geographical position information of the current terminal is combined to judge whether the current screen projection setting is the target equipment;
304. acquiring a connection address of the target equipment, and establishing screen projection connection;
generally, if the number of connection addresses of a target device is smaller than a preset threshold, a screen projection connection can be established with the target device; if the number of the connection addresses of the target equipment is larger than the preset threshold value, the target equipment can be arranged according to a certain rule for the user to select.
305. And (6) ending.
As shown in fig. 4, another optional embodiment of the method for connecting a screen projection according to an embodiment of the present invention includes:
401. starting;
402. receiving preset operation of a projection limiting condition;
in specific implementation, the projection limit condition can be set or changed by a user; the projection limiting condition limits the position relation between the current terminal and the target equipment for realizing screen projection;
403. acquiring geographic position information of a current terminal;
404. searching target equipment according to the projection limiting conditions and the geographical position information of the current terminal;
because the projection limiting condition limits the position relation between the current terminal and the target equipment for realizing screen projection, the geographical position information of the current terminal is combined to judge whether the current screen projection setting is the target equipment;
405. sending a connection address request to the target device;
a connection address request may be sent to the target device via an audio signal; in addition, a connection address request can be sent in a wireless transmission mode such as Bluetooth and WiFi to acquire a connection address of the target equipment;
406. receiving response information returned by the target equipment, and analyzing the connection address of the target equipment according to the response information;
generally, if the target device can normally operate, the target device returns response information according to the connection address request, and the response information includes its own connection address. At this time, after the current terminal is immediately connected with the connection address of the target device, initialization work of screen projection is required, such as starting a service thread of the screen projection;
407. initiating a connection request to the connection address;
after receiving the connection request, the target device corresponding to the connection address can establish screen projection connection with the current terminal;
408. and (6) ending.
Optionally, on the basis of any one of the embodiments corresponding to fig. 3 or fig. 4, in an optional embodiment of the method for connecting screen projection provided in the embodiment of the present invention, the projection limitation condition includes a target area shape and a target area size.
The shape of the target area can be a fan shape, a rectangle, a square, a semicircle or an irregular shape, and is defined by a user; when the size of the target area is set, the size of a corresponding parameter, such as a sector, can be set according to the shape of the target area, and the size of the target area can be represented by an included angle and a radius; a rectangle or square may be used to size the target area with a side length.
At this time, when the step of searching for the target device according to the projection limitation condition and the geographical location information of the current terminal is executed, as shown in fig. 5, the step may include:
501. starting;
502. acquiring the geographical position of the vertical center line of the current terminal according to the geographical position information of the current terminal;
the vertical center line of the current terminal generally refers to the center line of the current terminal in the width direction; of course, it may also be combined with the use state of the current terminal, for example, if the screen of the current terminal is in the horizontal state, the corresponding vertical center line is the center line of the current terminal in the length direction; if the screen of the current terminal is in a vertical state, the corresponding vertical center line is the center line of the current terminal in the width direction;
503. enabling the axial symmetry line of the shape of the target area to fall on the geographical position of the vertical central line, and acquiring the corresponding geographical position range of the target area according to the size of the target area;
generally, the target area is located right in front of the current terminal, and the bottom center point of the target area shape may coincide with the center point of the top end of the current terminal. Referring to fig. 6, in the present embodiment, the target area shape 601 is a sector shape; the vertical center line 602 is the center line of the current terminal in the width direction; at this time, the axial symmetry line of the sector is made to fall on the geographical position where the vertical center line 602 is located, and the vertex of the bottom end of the sector is made to coincide with the center point of the top end of the current terminal. And finally, acquiring the corresponding geographical position range of the target area according to the size of the target area.
504. Recording projection equipment in the corresponding geographical position range of the target area as target equipment;
in the embodiment shown in FIG. 6, all projection devices within the sector 601 may be registered as target devices.
505. And (6) ending.
Optionally, on the basis of any one of the embodiments corresponding to fig. 3 or fig. 4, in another optional embodiment of the method for connecting projection of a screen provided in the embodiment of the present invention, the projection limitation conditions include a maximum included angle and a maximum distance.
Referring to fig. 6, in the present embodiment, the maximum distance refers to a maximum linear distance D between the current terminal and the target device. The maximum included angle is a maximum angle theta which can be deviated towards two sides by taking a vertical central line of the current terminal as a center; in specific implementation, the maximum angle of the leftward deviation and the maximum angle of the rightward deviation may be set, and the two angles may be the same or different.
The vertical center line of the current terminal generally refers to the center line of the current terminal in the width direction; of course, it may also be combined with the use state of the current terminal, for example, if the screen of the current terminal is in the horizontal state, the corresponding vertical center line is the center line of the current terminal in the length direction; if the screen of the current terminal is in a vertical state, the corresponding vertical center line is the center line of the current terminal in the width direction.
On the basis of any of the above embodiments, the initiating a connection request to the connection address includes:
judging whether the number of the connection addresses is two or more;
if yes, selecting one of the connection addresses according to a preset rule, and initiating a connection request to the connection address.
In this embodiment, if connection addresses of two or more target devices are acquired, only one of the connection addresses may be selected to establish the screen projection connection.
In a specific implementation, the preset rule may include:
selecting a connection address of a target device closest to the current terminal; or
And selecting the connection address of the target equipment with the smallest included angle with the current terminal.
The distance refers to a linear distance between the current terminal and the target device, and the included angle refers to an included angle between a connecting line between the center of the target device and the center of the current terminal and a vertical center line of the current terminal.
In another embodiment of the invention, the weight of the distance and the included angle can also be set; and calculating the score corresponding to each target setting, and selecting the connection address set by the target with the highest or lowest score.
The present invention also provides a terminal, comprising: the computer program is stored on the memory and can be run on the processor, and when being executed by the processor, the computer program realizes the steps of the method for screen projection connection provided by any embodiment of the invention.
More specifically, the computer program when executed by the processor implements the steps of:
acquiring geographic position information of a current terminal and a preset projection limiting condition; in specific implementation, the projection limit condition can be set or changed by a user; the projection limitation condition limits the positional relationship between the current terminal and the target device for realizing the screen projection.
Searching target equipment according to the projection limiting conditions and the geographical position information of the current terminal; because the projection limiting condition limits the position relation between the current terminal and the target equipment for realizing screen projection, the geographical position information of the current terminal is combined to judge whether the current screen projection setting is the target equipment;
acquiring a connection address of the target equipment, and establishing screen projection connection; generally, if the number of connection addresses of a target device is smaller than a preset threshold, a screen projection connection can be established with the target device; if the number of the connection addresses of the target equipment is larger than the preset threshold value, the target equipment can be arranged according to a certain rule for the user to select.
In another optional embodiment of the terminal provided in the embodiments of the present invention, when executed by the processor, the computer program implements the following steps:
receiving preset operation of a projection limiting condition; in specific implementation, the projection limit condition can be set or changed by a user; the projection limiting condition limits the position relation between the current terminal and the target equipment for realizing screen projection;
acquiring geographic position information of a current terminal;
searching target equipment according to the projection limiting conditions and the geographical position information of the current terminal; because the projection limiting condition limits the position relation between the current terminal and the target equipment for realizing screen projection, the geographical position information of the current terminal is combined to judge whether the current screen projection setting is the target equipment;
sending a connection address request to the target device; a connection address request may be sent to the target device via an audio signal; in addition, a connection address request can be sent in a wireless transmission mode such as Bluetooth and WiFi to acquire a connection address of the target equipment;
receiving response information returned by the target equipment, and analyzing the connection address of the target equipment according to the response information; generally, if the target device can normally operate, the target device returns response information according to the connection address request, and the response information includes its own connection address. At this time, after the current terminal is immediately connected with the connection address of the target device, initialization work of screen projection is required, such as starting a service thread of the screen projection;
initiating a connection request to the connection address; and after receiving the connection request, the target equipment corresponding to the connection address can establish screen projection connection with the current terminal.
Optionally, on the basis of any of the foregoing embodiments, in an optional embodiment of the terminal provided in the embodiments of the present invention, the projection limitation condition includes a shape of the target area and a size of the target area.
The shape of the target area can be a fan shape, a rectangle, a square, a semicircle or an irregular shape, and is defined by a user; when the size of the target area is set, the size of a corresponding parameter, such as a sector, can be set according to the shape of the target area, and the size of the target area can be represented by an included angle and a radius; a rectangle or square may be used to size the target area with a side length.
At this time, when the target device is searched for according to the projection limitation condition and the geographical location information of the current terminal, the computer program implements the following steps when executed by the processor:
acquiring the geographical position of the vertical center line of the current terminal according to the geographical position information of the current terminal; the vertical center line of the current terminal generally refers to the center line of the current terminal in the width direction; of course, it may also be combined with the use state of the current terminal, for example, if the screen of the current terminal is in the horizontal state, the corresponding vertical center line is the center line of the current terminal in the length direction; if the screen of the current terminal is in a vertical state, the corresponding vertical center line is the center line of the current terminal in the width direction;
enabling the axial symmetry line of the shape of the target area to fall on the geographical position of the vertical central line, and acquiring the corresponding geographical position range of the target area according to the size of the target area; generally, the target area is located right in front of the current terminal, and the bottom center point of the target area shape may coincide with the center point of the top end of the current terminal. Referring to fig. 6, in the present embodiment, the target area shape 601 is a sector shape; the vertical center line 602 is the center line of the current terminal in the width direction; at this time, the axial symmetry line of the sector is made to fall on the geographical position where the vertical center line 602 is located, and the vertex of the bottom end of the sector is made to coincide with the center point of the top end of the current terminal. And finally, acquiring the corresponding geographical position range of the target area according to the size of the target area.
Recording projection equipment in the corresponding geographical position range of the target area as target equipment; in the embodiment shown in FIG. 6, all projection devices within the sector 601 may be registered as target devices.
Optionally, on the basis of any one of the embodiments corresponding to fig. 3 or fig. 4, in another optional embodiment of the terminal provided in the embodiment of the present invention, the projection limitation condition includes a maximum included angle and a maximum distance.
Referring to fig. 6, in the present embodiment, the maximum distance refers to a maximum linear distance D between the current terminal and the target device. The maximum included angle is a maximum angle theta which can be deviated towards two sides by taking a vertical central line of the current terminal as a center; in specific implementation, the maximum angle of the leftward deviation and the maximum angle of the rightward deviation may be set, and the two angles may be the same or different.
The vertical center line of the current terminal generally refers to the center line of the current terminal in the width direction; of course, it may also be combined with the use state of the current terminal, for example, if the screen of the current terminal is in the horizontal state, the corresponding vertical center line is the center line of the current terminal in the length direction; if the screen of the current terminal is in a vertical state, the corresponding vertical center line is the center line of the current terminal in the width direction.
On the basis of any of the above embodiments, when initiating a connection request to the connection address, the computer program when executed by the processor implements the steps of:
judging whether the number of the connection addresses is two or more;
if yes, selecting one of the connection addresses according to a preset rule, and initiating a connection request to the connection address.
In this embodiment, if connection addresses of two or more target devices are acquired, only one of the connection addresses may be selected to establish the screen projection connection.
In a specific implementation, the preset rule may include:
selecting a connection address of a target device closest to the current terminal; or
And selecting the connection address of the target equipment with the smallest included angle with the current terminal.
The distance refers to a linear distance between the current terminal and the target device, and the included angle refers to an included angle between a connecting line between the center of the target device and the center of the current terminal and a vertical center line of the current terminal.
In another embodiment of the invention, the weight of the distance and the included angle can also be set; and calculating the score corresponding to each target setting, and selecting the connection address set by the target with the highest or lowest score.
The invention further provides a computer readable storage medium, on which a screen projection connection program is stored, and the screen projection connection program, when executed by a processor, implements the steps of the screen projection connection method provided in any embodiment of the invention.
More specifically, the screen projection interface program when executed by the processor implements the steps of:
acquiring geographic position information of a current terminal and a preset projection limiting condition; in specific implementation, the projection limit condition can be set or changed by a user; the projection limitation condition limits the positional relationship between the current terminal and the target device for realizing the screen projection.
Searching target equipment according to the projection limiting conditions and the geographical position information of the current terminal; because the projection limiting condition limits the position relation between the current terminal and the target equipment for realizing screen projection, the geographical position information of the current terminal is combined to judge whether the current screen projection setting is the target equipment;
acquiring a connection address of the target equipment, and establishing screen projection connection; generally, if the number of connection addresses of a target device is smaller than a preset threshold, a screen projection connection can be established with the target device; if the number of the connection addresses of the target equipment is larger than the preset threshold value, the target equipment can be arranged according to a certain rule for the user to select.
In another optional embodiment of the computer-readable storage medium provided in the embodiments of the present invention, the screen projection connection program, when executed by the processor, implements the following steps:
receiving preset operation of a projection limiting condition; in specific implementation, the projection limit condition can be set or changed by a user; the projection limiting condition limits the position relation between the current terminal and the target equipment for realizing screen projection;
acquiring geographic position information of a current terminal;
searching target equipment according to the projection limiting conditions and the geographical position information of the current terminal; because the projection limiting condition limits the position relation between the current terminal and the target equipment for realizing screen projection, the geographical position information of the current terminal is combined to judge whether the current screen projection setting is the target equipment;
sending a connection address request to the target device; a connection address request may be sent to the target device via an audio signal; in addition, a connection address request can be sent in a wireless transmission mode such as Bluetooth and WiFi to acquire a connection address of the target equipment;
receiving response information returned by the target equipment, and analyzing the connection address of the target equipment according to the response information; generally, if the target device can normally operate, the target device returns response information according to the connection address request, and the response information includes its own connection address. At this time, after the current terminal is immediately connected with the connection address of the target device, initialization work of screen projection is required, such as starting a service thread of the screen projection;
initiating a connection request to the connection address; and after receiving the connection request, the target equipment corresponding to the connection address can establish screen projection connection with the current terminal.
Optionally, on the basis of any one of the foregoing embodiments, in an optional embodiment of the computer-readable storage medium provided in the embodiment of the present invention, the projection limitation condition includes a target area shape and a target area size.
The shape of the target area can be a fan shape, a rectangle, a square, a semicircle or an irregular shape, and is defined by a user; when the size of the target area is set, the size of a corresponding parameter, such as a sector, can be set according to the shape of the target area, and the size of the target area can be represented by an included angle and a radius; a rectangle or square may be used to size the target area with a side length.
At this time, when the target device is searched for according to the projection limitation condition and the geographical location information of the current terminal, the screen projection connection program is executed by the processor to implement the following steps:
acquiring the geographical position of the vertical center line of the current terminal according to the geographical position information of the current terminal; the vertical center line of the current terminal generally refers to the center line of the current terminal in the width direction; of course, it may also be combined with the use state of the current terminal, for example, if the screen of the current terminal is in the horizontal state, the corresponding vertical center line is the center line of the current terminal in the length direction; if the screen of the current terminal is in a vertical state, the corresponding vertical center line is the center line of the current terminal in the width direction;
enabling the axial symmetry line of the shape of the target area to fall on the geographical position of the vertical central line, and acquiring the corresponding geographical position range of the target area according to the size of the target area; generally, the target area is located right in front of the current terminal, and the bottom center point of the target area shape may coincide with the center point of the top end of the current terminal. Referring to fig. 6, in the present embodiment, the target area shape 601 is a sector shape; the vertical center line 602 is the center line of the current terminal in the width direction; at this time, the axial symmetry line of the sector is made to fall on the geographical position where the vertical center line 602 is located, and the vertex of the bottom end of the sector is made to coincide with the center point of the top end of the current terminal. And finally, acquiring the corresponding geographical position range of the target area according to the size of the target area.
Recording projection equipment in the corresponding geographical position range of the target area as target equipment; in the embodiment shown in FIG. 6, all projection devices within the sector 601 may be registered as target devices.
Optionally, on the basis of any one of the embodiments corresponding to fig. 3 or fig. 4, in another optional embodiment of the computer-readable storage medium provided in the embodiment of the present invention, the projection limitation condition includes a maximum included angle and a maximum distance.
Referring to fig. 6, in the present embodiment, the maximum distance refers to a maximum linear distance D between the current terminal and the target device. The maximum included angle is a maximum angle theta which can be deviated towards two sides by taking a vertical central line of the current terminal as a center; in specific implementation, the maximum angle of the leftward deviation and the maximum angle of the rightward deviation may be set, and the two angles may be the same or different.
The vertical center line of the current terminal generally refers to the center line of the current terminal in the width direction; of course, it may also be combined with the use state of the current terminal, for example, if the screen of the current terminal is in the horizontal state, the corresponding vertical center line is the center line of the current terminal in the length direction; if the screen of the current terminal is in a vertical state, the corresponding vertical center line is the center line of the current terminal in the width direction.
On the basis of any of the above embodiments, when initiating a connection request to the connection address, the screen projection connection program when executed by the processor implements the following steps:
judging whether the number of the connection addresses is two or more;
if yes, selecting one of the connection addresses according to a preset rule, and initiating a connection request to the connection address.
In this embodiment, if connection addresses of two or more target devices are acquired, only one of the connection addresses may be selected to establish the screen projection connection.
In a specific implementation, the preset rule may include:
selecting a connection address of a target device closest to the current terminal; or
And selecting the connection address of the target equipment with the smallest included angle with the current terminal.
The distance refers to a linear distance between the current terminal and the target device, and the included angle refers to an included angle between a connecting line between the center of the target device and the center of the current terminal and a vertical center line of the current terminal.
In another embodiment of the invention, the weight of the distance and the included angle can also be set; and calculating the score corresponding to each target setting, and selecting the connection address set by the target with the highest or lowest score.
According to the method, the device and the computer readable storage medium for screen projection connection provided by the embodiment of the invention, the target equipment is searched and screen projection connection is established according to the preset projection limiting condition and the position information of the current terminal; the method saves the time for searching the screen projection equipment, omits the complicated process of selecting the target equipment from a plurality of screen projection equipment by the user, improves the connection speed of screen projection, enriches the method for establishing screen projection connection and greatly improves the user experience.
It should be noted that, in this document, 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 an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (5)
1. A method of screen projection interfacing, comprising:
acquiring geographic position information of a current terminal and a preset projection limiting condition;
searching target equipment according to the projection limiting conditions and the geographical position information of the current terminal;
acquiring a connection address of the target equipment, and establishing screen projection connection;
the projection limitation condition comprises a target area shape and a target area size, and the target area shape is a sector;
the acquiring the connection address of the target device and establishing the screen projection connection comprises:
sending a connection address request to the target device;
receiving response information returned by the target equipment, and analyzing the connection address of the target equipment according to the response information;
judging whether the number of the connection addresses is two or more;
if so, selecting one of the connection addresses according to a preset rule, and initiating a connection request to the connection address, wherein the preset rule comprises selecting the connection address of the target equipment with the smallest included angle with the current terminal.
2. The method for screen projection connection according to claim 1, wherein the searching for the target device according to the projection limitation condition and the geographical location information of the current terminal comprises:
acquiring the geographical position of the vertical center line of the current terminal according to the geographical position information of the current terminal;
enabling the axial symmetry line of the shape of the target area to fall on the geographical position of the vertical central line, and acquiring the corresponding geographical position range of the target area according to the size of the target area;
and recording the projection devices in the corresponding geographical position range of the target area as target devices.
3. The method for screen projection interfacing of claim 1, wherein said projection constraints include maximum included angle and maximum distance.
4. A terminal, comprising: memory, processor and computer program stored on the memory and executable on the processor, which computer program, when executed by the processor, carries out the steps of the method of screen projection interfacing as claimed in any one of claims 1 to 3.
5. A computer-readable storage medium, having a screen projection connection program stored thereon, which when executed by a processor, implements the steps of the screen projection connection method of any one of claims 1 to 3.
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| CN110198463A (en) * | 2018-03-07 | 2019-09-03 | 腾讯科技（深圳）有限公司 | A kind of mobile projector method, apparatus, computer-readable medium and electronic equipment |
| CN109495863A (en) * | 2018-09-21 | 2019-03-19 | 北京车和家信息技术有限公司 | Exchange method and relevant device |
| CN109582263A (en) * | 2018-10-26 | 2019-04-05 | 深圳点猫科技有限公司 | The method and electronic equipment of projection device are wirelessly connected based on Linux |
| CN111190558B (en) * | 2018-11-15 | 2022-09-30 | 腾讯科技（深圳）有限公司 | Screen projection control method and device, computer readable storage medium and computer equipment |
| CN111078167B (en) * | 2019-11-12 | 2023-08-22 | 博泰车联网科技(上海)股份有限公司 | Information transmission method, vehicle, computer storage medium and information transmission system |
| CN113093929B (en) * | 2019-12-23 | 2023-04-11 | 上海品奇数码科技有限公司 | Multi-screen nested interaction method for touch mobile terminal and touch fixed terminal |
| WO2025118119A1 (en) * | 2023-12-04 | 2025-06-12 | Xi'an Unisoc Technologies Co., Ltd. | Fast screen projection |
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| JP2005284195A (en) * | 2004-03-31 | 2005-10-13 | Seiko Epson Corp | Image display system |
| US8928822B2 (en) * | 2008-07-01 | 2015-01-06 | Yang Pan | Handheld media and communication device with a detachable projector |
| US8996753B2 (en) * | 2011-10-07 | 2015-03-31 | Qualcomm Incorporated | Mobile device peripheral device location and connection |
| CN105094732B (en) * | 2015-06-29 | 2018-07-31 | 小米科技有限责任公司 | Screen display method and device |
| CN106371788A (en) * | 2016-09-22 | 2017-02-01 | 努比亚技术有限公司 | Screen projection connection device and method |
| CN106507286A (en) * | 2016-11-22 | 2017-03-15 | 北京三快在线科技有限公司 | A kind of document transmission method, source device and non-source device |
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