CN115278591A - Screen projection transmission method and device, terminal equipment and storage medium - Google Patents
Screen projection transmission method and device, terminal equipment and storage medium Download PDFInfo
- Publication number
- CN115278591A CN115278591A CN202210547133.5A CN202210547133A CN115278591A CN 115278591 A CN115278591 A CN 115278591A CN 202210547133 A CN202210547133 A CN 202210547133A CN 115278591 A CN115278591 A CN 115278591A
- Authority
- CN
- China
- Prior art keywords
- screen projection
- equipment
- data communication
- screen
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000004891 communication Methods 0.000 claims abstract description 112
- 230000006870 function Effects 0.000 claims description 49
- 230000008569 process Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
-
- 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
- H04W4/024—Guidance services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
Abstract
The invention discloses a screen projection transmission method, a screen projection transmission device, terminal equipment and a storage medium, wherein the method comprises the following steps: when the first equipment receives a screen projecting instruction, inquiring whether the second equipment supports a data communication protocol or not according to the screen projecting instruction; when the second equipment feeds back the supporting data communication protocol, starting a data communication screen projection function; and transmitting corresponding screen projection data to the second equipment at the first equipment through the data communication screen projection function. According to the scheme of the invention, the data communication screen projection function based on the data communication protocol is adopted, when the screen projection is carried out between two devices, only corresponding control data needs to be transmitted, for example, only a small amount of data information needs to be transmitted by a specific application mobile phone, so that the smooth screen projection can be realized, the smoothness of the screen projection is improved, and the user experience is also improved.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted equipment, in particular to a screen projection transmission method and device, terminal equipment and a storage medium.
Background
With the development of intelligent terminal technology, the screen projection function of mobile terminals such as mobile phones is widely applied, such as mobile phone screen projection televisions, mobile phone screen projection car machines, and the like.
As shown in fig. 1, in the existing wireless screen projection manner of mobile phone screen projection navigation, data is usually completely transmitted and copied directly in a clone manner, and relatively high data throughput is required, so that smooth screen projection cannot be guaranteed in the data transmission process.
Disclosure of Invention
The invention mainly aims to provide a screen projection transmission method, a screen projection transmission device, terminal equipment and a storage medium, and aims to realize smooth screen projection.
In order to achieve the above object, the present invention provides a screen projection transmission method, including:
when the first equipment receives a screen projecting instruction, inquiring whether the second equipment supports a data communication protocol or not according to the screen projecting instruction;
when the second equipment feeds back the supporting data communication protocol, starting a data communication screen projection function;
and transmitting corresponding screen projection data to the second equipment at the first equipment through the data communication screen projection function.
Optionally, the first device is a mobile terminal, the second device is a car navigation device, and the step of transmitting the corresponding screen projection data to the second device at the first device through the data communication screen projection function includes:
and transmitting non-picture navigation control data to the car navigation equipment at the mobile terminal through the data communication screen projection function.
Optionally, the navigation control data includes one or more of coordinate information and road condition information.
Optionally, before the step of querying whether the second device supports the data communication protocol according to the screen-projecting instruction, the method further includes:
determining whether the mobile terminal and the car navigation equipment meet a handshake condition;
if the mobile terminal and the car navigation equipment meet the handshake condition, executing the following steps: and inquiring whether the second equipment supports the data communication protocol or not according to the screen projection instruction.
Optionally, the step of determining whether the mobile terminal and the car navigation device satisfy a handshake condition includes:
after the mobile terminal is associated with the car navigation equipment, judging whether a handshake protocol is established between the mobile terminal and the car navigation equipment;
and if a handshake protocol is established between the mobile terminal and the car navigation equipment, determining that the mobile terminal and the car navigation equipment meet a handshake condition.
Optionally, before the step of querying whether the second device supports the data communication protocol according to the screen-projecting instruction, the method further includes:
inquiring whether the car navigation equipment is provided with an app needing screen projection or not;
if the car navigation equipment feeds back and installs the app needing screen projection, executing the following steps: and inquiring whether the second equipment supports the data communication protocol or not according to the screen projection instruction.
Optionally, the method further comprises:
and receiving screen projection data on the second equipment, transmitted by the second equipment through the data communication screen projection function, at the first equipment.
In addition, the invention also provides a screen projection transmission device, which comprises:
the query module is used for querying whether the second equipment supports a data communication protocol or not according to the screen projection instruction when the first equipment receives the screen projection instruction;
the starting module is used for starting a data communication screen projection function when the second equipment feeds back a data communication protocol;
and the transmission module is used for transmitting the corresponding screen projection data to the second equipment at the first equipment through the data communication screen projection function.
In addition, the present invention also provides a vehicle-mounted device, wherein the terminal device includes: the screen projection transmission method comprises a memory, a processor and a screen projection transmission program which is stored on the memory and can run on the processor, wherein the screen projection transmission program realizes the steps of the screen projection transmission method when being executed by the processor.
In addition, the present invention also provides a computer readable storage medium, on which a screen projection transmission program is stored, and when being executed by a processor, the screen projection transmission program implements the steps of the screen projection transmission method as described above.
According to the screen projection transmission method, the screen projection transmission device, the terminal equipment and the storage medium, when the first equipment receives a screen projection instruction, whether a data communication protocol is supported or not is inquired for the second equipment according to the screen projection instruction; when the second equipment feeds back the supporting data communication protocol, starting a data communication screen projection function; and transmitting corresponding screen projection data to the second equipment at the first equipment through the data communication screen projection function. According to the scheme of the invention, the data communication screen projection function based on the data communication protocol is adopted, and when the screen projection is carried out between two devices, the smooth screen projection can be realized only by transmitting corresponding control data, for example, only a small amount of data information needs to be transmitted by a specific application mobile phone, so that the smoothness of screen projection is improved, and the user experience is also improved.
Drawings
FIG. 1 is a schematic diagram of a wireless screen projection method of a conventional mobile phone screen projection navigation;
fig. 2 is a schematic view of functional modules of a terminal device to which the screen projection transmission device belongs;
FIG. 3 is a flowchart illustrating a screen projection transmission method according to a first embodiment of the present invention;
fig. 4 is a schematic view of a wireless screen projection mode of the mobile phone screen projection navigation according to the embodiment of the 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.
The main solution of the embodiment of the invention is as follows: when the first equipment receives a screen projecting instruction, inquiring whether the second equipment supports a data communication protocol or not according to the screen projecting instruction; when the second equipment feeds back the supporting data communication protocol, starting a data communication screen projection function; and transmitting corresponding screen projection data to the second equipment at the first equipment through the data communication screen projection function. According to the scheme of the invention, the data communication screen projection function based on the data communication protocol is adopted, when the screen projection is carried out between two devices, the smooth screen projection can be realized only by transmitting corresponding control data, for example, only a small amount of data information needs to be transmitted by a specific application mobile phone, the smoothness of the screen projection is improved, and the user experience is also improved
The embodiment of the invention considers that the existing wireless screen projection mode of mobile phone screen projection navigation generally directly performs complete transmission and copying of data in a clone mode, and relatively high data throughput is needed, so that smooth screen projection cannot be ensured in the data transmission process.
Therefore, the embodiment of the invention provides a solution, and based on the data communication screen projection function of the data communication protocol, when the screen projection is carried out between two devices, only corresponding control data needs to be transmitted, so that smooth screen projection can be realized.
Specifically, referring to fig. 2, fig. 2 is a schematic diagram of functional modules of a terminal device to which the screen projection transmission device belongs. The screen projection transmission device can be a device which is independent of the terminal equipment and can perform data processing, and the device can be borne on the terminal equipment in a hardware or software mode. The terminal device can be an intelligent mobile terminal with a data processing function, such as a mobile phone and a tablet personal computer, and can also be a fixed terminal device or a server with a data processing function.
In this embodiment, the terminal device to which the screen projection transmission apparatus belongs at least includes an output module 110, a processor 120, a memory 130 and a communication module 140.
The memory 130 stores an operating system and a screen projection transmission program; the output module 110 may be a display screen or the like. The communication module 140 may include a Wi-Fi module, a mobile communication module, a bluetooth module, and the like, and communicates with an external device or a server through the communication module 140.
Wherein, the screen projection transmission program in the memory 130 realizes the following steps when being executed by the processor:
when the first equipment receives a screen projecting instruction, inquiring whether the second equipment supports a data communication protocol or not according to the screen projecting instruction;
when the second equipment feeds back the supporting data communication protocol, starting a data communication screen projection function;
and transmitting corresponding screen projection data to the second equipment at the first equipment through the data communication screen projection function.
Further, the screen-shot transmission program in the memory 130, when executed by the processor, further implements the steps of:
and transmitting non-picture navigation control data to the car navigation equipment at the mobile terminal through the data communication screen projection function.
Further, the screen projection transmission program in the memory 130, when executed by the processor, further implements the steps of:
determining whether the mobile terminal and the car navigation equipment meet a handshake condition;
if the mobile terminal and the car navigation equipment meet the handshake condition, executing the following steps: and inquiring whether the second equipment supports the data communication protocol or not according to the screen projection instruction.
Further, the screen projection transmission program in the memory 130, when executed by the processor, further implements the steps of:
and if a handshake protocol is established between the mobile terminal and the car navigation equipment, determining that the mobile terminal and the car navigation equipment meet a handshake condition.
Further, the screen-shot transmission program in the memory 130, when executed by the processor, further implements the steps of:
inquiring whether the car navigation equipment is provided with an app needing screen projection or not;
if the car navigation equipment feeds back and installs the app needing screen projection, executing the following steps: and inquiring whether the second equipment supports the data communication protocol or not according to the screen projection instruction.
Further, the screen projection transmission program in the memory 130, when executed by the processor, further implements the steps of:
and receiving screen projection data on the second equipment, transmitted by the second equipment through the data communication screen projection function, at the first equipment.
According to the scheme, when the first equipment receives the screen projection instruction, whether the data communication protocol is supported or not is inquired for the second equipment according to the screen projection instruction; when the second equipment feeds back the supporting data communication protocol, starting a data communication screen projection function; and transmitting corresponding screen projection data to the second equipment at the first equipment through the data communication screen projection function. According to the scheme of the invention, the data communication screen projection function based on the data communication protocol is adopted, when the screen projection is carried out between two devices, only corresponding control data needs to be transmitted, for example, only a small amount of data information needs to be transmitted by a specific application mobile phone, so that the smooth screen projection can be realized, the smoothness of the screen projection is improved, and the user experience is also improved.
Based on the above terminal device architecture but not limited to the above architecture, embodiments of the method of the present invention are presented.
Referring to fig. 3, fig. 3 is a flowchart illustrating a screen projection transmission method according to a first embodiment of the present invention. The invention provides a screen projection transmission method, which comprises the following steps:
step S101, when a first device receives a screen projection instruction, whether a data communication protocol is supported or not is inquired for a second device according to the screen projection instruction;
the scheme of the embodiment of the invention can realize the screen projection function between the two terminal devices and can realize the low-load screen projection transmission of the specific function according to the data comparison.
Wherein, the data comparison is realized based on a data communication protocol. The types of the two terminal devices may be the same or different.
In this embodiment, two terminal devices are defined as a first device and a second device, respectively, where the first device may be a mobile terminal such as a mobile phone, and the second device may be an in-vehicle device, such as a car navigation device.
In this embodiment, an implementation scheme of car navigation by using a mobile phone screen projector is used as an example.
Specifically, when the first device receives a screen projection instruction, whether the second device supports a data communication protocol is inquired according to the screen projection instruction.
The data communication protocol mainly stipulates that a data transmission mode between two devices is based on specific data transmission, for example, only control data such as coordinate information, road condition information and the like in navigation data are transmitted, and whole image picture data are not required to be transmitted, so that the transmission quantity of data is reduced, and the screen projection smoothness is improved.
The trigger of the screen-projection instruction may be triggered by the user on an app of the first device, which may be a navigation app, for example.
After receiving a screen projection instruction triggered by a user, the first equipment sends a query instruction to the second equipment according to the screen projection instruction so as to query whether the second equipment supports a data communication protocol.
And after receiving the query instruction of the first equipment, the second equipment sends feedback information to the first equipment if the second equipment supports the data communication protocol.
The first device and the second device are both provided with the same app, and the first device and the second device are confirmed to simultaneously support a data communication protocol through handshake interaction.
Step S102, when the second device feeds back and supports the data communication protocol, the data communication screen projection function is started;
the first equipment starts a data communication screen projection function when receiving the data communication protocol supported by the feedback of the second equipment, and can project specific data supported by the data communication protocol without projecting the whole image picture data under the data communication screen projection function, so that the transmission quantity of the data is reduced, and the screen projection smoothness is improved.
Step S103, transmitting corresponding screen projection data to the second equipment at the first equipment through the data communication screen projection function.
Under the data communication screen projection function, the first equipment projects specific data supported by a data communication protocol to the second equipment, and the whole image picture data does not need to be projected, so that the data transmission quantity is reduced, and the screen projection fluency is improved.
According to the scheme, when the first device receives the screen projecting instruction, whether the data communication protocol is supported or not is inquired for the second device according to the screen projecting instruction; when the second equipment feeds back the supporting data communication protocol, starting a data communication screen projection function; and transmitting corresponding screen projection data to the second equipment at the first equipment through the data communication screen projection function. According to the scheme of the invention, the data communication screen projection function based on the data communication protocol is adopted, when the screen projection is carried out between two devices, only corresponding control data needs to be transmitted, for example, only a small amount of data information needs to be transmitted by a specific application mobile phone, so that the smooth screen projection can be realized, the smoothness of the screen projection is improved, and the user experience is also improved.
Further, as an implementation manner, the first device may be a mobile terminal, the second device may be a car navigation device, and the step of transmitting the corresponding screen projection data to the second device at the first device through the data communication screen projection function may include:
and transmitting non-picture navigation control data to the car navigation equipment at the mobile terminal through the data communication screen projection function.
The navigation control data may include one or more of coordinate information and road condition information.
Further, as an embodiment, before the step of querying whether the second device supports the data communication protocol according to the screen-projecting instruction, the method further includes:
determining whether the mobile terminal and the car navigation equipment meet a handshake condition;
and if the mobile terminal and the car navigation equipment meet the handshake condition, inquiring whether a data communication protocol is supported or not from second equipment according to the screen throwing instruction.
The determining whether the mobile terminal and the car navigation device satisfy the handshake condition may include:
after the mobile terminal is associated with the car navigation equipment, judging whether a handshake protocol is established between the mobile terminal and the car navigation equipment;
and if a handshake protocol is established between the mobile terminal and the car navigation equipment, determining that the mobile terminal and the car navigation equipment meet a handshake condition.
Further, as an embodiment, the step of querying whether the second device supports the data communication protocol according to the screen-projecting instruction may further include:
inquiring whether the car navigation equipment is provided with an app needing screen projection or not;
and if the vehicle navigation equipment feeds back and installs the app needing screen projection, inquiring whether the second equipment supports the data communication protocol or not according to the screen projection instruction.
The following describes in detail the process of implementing the screen projection transmission according to this embodiment with reference to fig. 4:
as shown in fig. 4, a data communication protocol needs to be agreed between the mobile phone (first device) and the car navigation (second device), that is, the mobile phone and the car navigation device interact through handshaking to confirm that the applications (for example, application a) of both parties meet the requirements of the current data communication protocol, that is, only a small amount of logic data is transmitted, thereby reducing the wireless data transmission load, and achieving the effect of smooth screen projection (for example, navigation app, only coordinate data is transmitted during screen projection, and the transmission of the whole frame of screen data is not needed, thereby reducing the wireless transmission load).
Specifically, the scheme for data transmission based on mobile phone and car navigation is as follows:
1, after the mobile phone is associated with navigation, the mobile phone establishes a handshake protocol with the car navigation;
2, the mobile phone inquires whether the car navigation is provided with an app needing screen projection;
3, the car machine navigation feedback is provided with the app;
3, the mobile phone inquires whether a data communication protocol is supported to the car navigation;
4, the car navigation feedback supports a data communication protocol;
and 5, if the mobile phone confirms the car navigation support protocol standard, starting data communication screen projection, and only transmitting part of control data, such as navigation, coordinate information, road condition information and the like, without performing picture screen projection during data communication, so that smooth application screen projection is realized by transmitting a small amount of data information.
Further, as an embodiment, the method may further include:
and receiving screen projection data on the second equipment, transmitted by the second equipment through the data communication screen projection function, at the first equipment.
Specifically, this embodiment may also implement a scheme for the second device to project the screen to the first device, and the screen projecting principle may refer to the foregoing embodiments, which are not described herein again.
In addition, the invention also provides a screen projection transmission device, which comprises:
the query module is used for querying whether the second equipment supports a data communication protocol or not according to the screen projection instruction when the first equipment receives the screen projection instruction;
the starting module is used for starting a data communication screen projection function when the second equipment feeds back a data communication protocol;
and the transmission module is used for transmitting the corresponding screen projection data to the second equipment at the first equipment through the data communication screen projection function.
The principle of implementing screen projection in this embodiment may refer to the above embodiments, and is not described herein again.
In addition, the present invention also provides a vehicle-mounted device, wherein the terminal device includes: the screen projection transmission method comprises a memory, a processor and a screen projection transmission program which is stored on the memory and can run on the processor, wherein the screen projection transmission program realizes the steps of the screen projection transmission method when being executed by the processor.
Since the screen projection transmission program is executed by the processor, all technical solutions of all the foregoing embodiments are adopted, so that at least all the beneficial effects brought by all the technical solutions of all the foregoing embodiments are achieved, and no further description is provided herein.
In addition, the present invention also provides a computer readable storage medium, on which a screen projection transmission program is stored, and when being executed by a processor, the screen projection transmission program implements the steps of the screen projection transmission method as described above.
Since the screen projection transmission program is executed by the processor, all technical solutions of all the foregoing embodiments are adopted, so that at least all the beneficial effects brought by all the technical solutions of all the foregoing embodiments are achieved, and no further description is provided herein.
According to the screen projection transmission method, the screen projection transmission device, the terminal equipment and the storage medium, when the first equipment receives a screen projection instruction, whether a data communication protocol is supported or not is inquired for the second equipment according to the screen projection instruction; when the second equipment feeds back the supporting data communication protocol, starting a data communication screen projection function; and transmitting corresponding screen projection data to the second equipment at the first equipment through the data communication screen projection function. According to the scheme of the invention, the data communication screen projection function based on the data communication protocol is adopted, when the screen projection is carried out between two devices, only corresponding control data needs to be transmitted, for example, only a small amount of data information needs to be transmitted by a specific application mobile phone, so that the smooth screen projection can be realized, the smoothness of the screen projection is improved, and the user experience is also improved.
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 system 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 system. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or system 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 solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, a controlled terminal, or a network device) to execute the method of each embodiment of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A screen projection transmission method is characterized by comprising the following steps:
when the first equipment receives a screen projecting instruction, inquiring whether the second equipment supports a data communication protocol or not according to the screen projecting instruction;
when the second equipment feeds back the supporting data communication protocol, starting a data communication screen projection function;
and transmitting corresponding screen projection data to the second equipment at the first equipment through the data communication screen projection function.
2. The method according to claim 1, wherein the first device is a mobile terminal, the second device is a car navigation device, and the step of transmitting the corresponding screen projection data to the second device at the first device through the data communication screen projection function includes:
and transmitting non-picture navigation control data to the car navigation equipment at the mobile terminal through the data communication screen projection function.
3. The method of claim 2, wherein the navigation control data comprises one or more of coordinate information, road condition information.
4. The method of claim 2, wherein the step of querying the second device whether the data communication protocol is supported according to the screen-projecting command further comprises:
determining whether the mobile terminal and the car navigation equipment meet a handshake condition;
if the mobile terminal and the car navigation equipment meet the handshake condition, executing the following steps: and inquiring whether the second equipment supports the data communication protocol or not according to the screen projection instruction.
5. The method according to claim 4, wherein the step of determining whether the mobile terminal and the car navigation device satisfy a handshake condition comprises:
after the mobile terminal is associated with the car navigation equipment, judging whether a handshake protocol is established between the mobile terminal and the car navigation equipment;
and if a handshake protocol is established between the mobile terminal and the car navigation equipment, determining that the mobile terminal and the car navigation equipment meet a handshake condition.
6. The method of claim 4, wherein the step of querying the second device whether the data communication protocol is supported according to the screen-projection instruction is preceded by the step of:
inquiring whether the car navigation equipment is provided with an app needing screen projection or not;
if the car navigation equipment feeds back and installs the app needing screen projection, executing the following steps: and inquiring whether the second equipment supports the data communication protocol or not according to the screen projection instruction.
7. The method according to any one of claims 1-6, further comprising:
and receiving screen projection data on the second equipment, transmitted by the second equipment through the data communication screen projection function, at the first equipment.
8. A screen projection transmission device, comprising:
the query module is used for querying whether the second equipment supports a data communication protocol or not according to the screen projection instruction when the first equipment receives the screen projection instruction;
the starting module is used for starting a data communication screen projection function when the second equipment feeds back a data communication protocol;
and the transmission module is used for transmitting the corresponding screen projection data to the second equipment at the first equipment through the data communication screen projection function.
9. A terminal device, characterized in that the terminal device comprises: a memory, a processor, and a screen shot transmission program stored on the memory and executable on the processor, the screen shot transmission program when executed by the processor implementing the steps of the screen shot transmission method as recited in any one of claims 1-7.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a screen-projection transmission program which, when executed by a processor, implements the steps of the screen-projection transmission method according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210547133.5A CN115278591A (en) | 2022-05-19 | 2022-05-19 | Screen projection transmission method and device, terminal equipment and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210547133.5A CN115278591A (en) | 2022-05-19 | 2022-05-19 | Screen projection transmission method and device, terminal equipment and storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115278591A true CN115278591A (en) | 2022-11-01 |
Family
ID=83760044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210547133.5A Pending CN115278591A (en) | 2022-05-19 | 2022-05-19 | Screen projection transmission method and device, terminal equipment and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115278591A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782328A (en) * | 2016-08-30 | 2018-03-09 | 高德信息技术有限公司 | A kind of air navigation aid, apparatus and system |
| CN108595134A (en) * | 2018-04-08 | 2018-09-28 | 广州视源电子科技股份有限公司 | Intelligent interaction tablet and polar plot processing method, device and equipment |
| CN109996097A (en) * | 2019-03-12 | 2019-07-09 | 广州虎牙信息科技有限公司 | A kind of throwing screen method, system and storage device |
| CN110312160A (en) * | 2019-06-17 | 2019-10-08 | 广州视源电子科技股份有限公司 | It is wireless to throw screen method, apparatus, Intelligent flat, terminal and system |
| CN112797996A (en) * | 2020-12-18 | 2021-05-14 | 深圳市元征科技股份有限公司 | Vehicle navigation method, device, equipment and medium |
| WO2021139630A1 (en) * | 2020-01-10 | 2021-07-15 | 华为技术有限公司 | Data transmission method, apparatus, data processing system, and storage medium |
| WO2022033377A1 (en) * | 2020-08-14 | 2022-02-17 | 华为技术有限公司 | Media information transmission method and electronic device |
-
2022
- 2022-05-19 CN CN202210547133.5A patent/CN115278591A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782328A (en) * | 2016-08-30 | 2018-03-09 | 高德信息技术有限公司 | A kind of air navigation aid, apparatus and system |
| CN108595134A (en) * | 2018-04-08 | 2018-09-28 | 广州视源电子科技股份有限公司 | Intelligent interaction tablet and polar plot processing method, device and equipment |
| CN109996097A (en) * | 2019-03-12 | 2019-07-09 | 广州虎牙信息科技有限公司 | A kind of throwing screen method, system and storage device |
| CN110312160A (en) * | 2019-06-17 | 2019-10-08 | 广州视源电子科技股份有限公司 | It is wireless to throw screen method, apparatus, Intelligent flat, terminal and system |
| WO2021139630A1 (en) * | 2020-01-10 | 2021-07-15 | 华为技术有限公司 | Data transmission method, apparatus, data processing system, and storage medium |
| WO2022033377A1 (en) * | 2020-08-14 | 2022-02-17 | 华为技术有限公司 | Media information transmission method and electronic device |
| CN112797996A (en) * | 2020-12-18 | 2021-05-14 | 深圳市元征科技股份有限公司 | Vehicle navigation method, device, equipment and medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108170285B (en) | Interactive control method and device for electronic equipment | |
| KR101000106B1 (en) | Method for Providing Idle Mode Screen in Mobile Communication Terminal | |
| CN102821150B (en) | Based on application management method and the Cloud Server of cloud service | |
| US20040013246A1 (en) | System and method for modifying display formation of mobile phone | |
| CN111694625B (en) | Method and equipment for projecting screen from car box to car machine | |
| CN105278950A (en) | Method for performing video talk enhancement function and electric device having same | |
| CN108924820B (en) | Method, device, equipment and storage medium for realizing sharing of SIM card | |
| CN111107518A (en) | Display method, vehicle-mounted terminal, display system and computer-readable storage medium | |
| CN111796885A (en) | Display method and device of cloud application program and electronic equipment | |
| CN112947905B (en) | Picture loading method and device | |
| CN115278591A (en) | Screen projection transmission method and device, terminal equipment and storage medium | |
| WO2023071749A1 (en) | Parameter adjustment method and apparatus, and storage medium and electronic apparatus | |
| CN111447614A (en) | Method, device, terminal and medium for using mobile phone number by multiple cross-border e-commerce accounts | |
| CN115119287B (en) | Communication network, internet of vehicles, terminal equipment access method, equipment and storage medium | |
| CN105760204A (en) | Method and equipment for installing application program | |
| CN114095295B (en) | Intelligent doorbell information inheritance method, intelligent doorbell and computer readable storage medium | |
| CN112181453A (en) | Firmware upgrading method and device and storage medium | |
| CN115242970B (en) | Vehicle camera data sharing system, method, electronic equipment and storage medium | |
| CN111782366A (en) | Distributed task scheduling method and device | |
| CN111615102A (en) | Method and system for realizing one number double terminals | |
| CN110745084A (en) | Multimedia system middleware design method for intelligent automobile | |
| CN116610274B (en) | Cross-equipment screen projection method and device, electronic equipment and readable storage medium | |
| CN111818144B (en) | Message transmission method, device and system under remote service calling framework | |
| KR102402412B1 (en) | System for voice call service using distal assistance device, method thereof and non-transitory computer readable medium having computer program recorded thereon | |
| US20060104239A1 (en) | Apparatus and method for updating packet data session parameters by PDSN in mobile communications system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cheng Jun Inventor after: Yin Yutao Inventor after: Hu Jin Inventor before: Cheng Jun |
|
| CB03 | Change of inventor or designer information |