CN106897005B - Projection control method, device and system - Google Patents

Projection control method, device and system Download PDF

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Publication number
CN106897005B
CN106897005B CN201710113650.0A CN201710113650A CN106897005B CN 106897005 B CN106897005 B CN 106897005B CN 201710113650 A CN201710113650 A CN 201710113650A CN 106897005 B CN106897005 B CN 106897005B
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application
projection
receiving
selection
virtual screen
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CN106897005A (en
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陶冬
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Nubia Technology Co Ltd
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Nubia Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/04842—Selection of displayed objects or displayed text elements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Telephone Function (AREA)

Abstract

The present invention relates to the field of projection technologies, and in particular, to a projection control method, apparatus, and system. The method comprises the steps that a calling instruction for calling hierarchical projection management is received on a main screen; providing an application selection interface for selecting the application participating in the projection interface synthesis according to the calling instruction; and receiving a selection instruction of the application in the application selection interface at the home screen, acquiring an application mark to be synthesized according to the selection instruction, synthesizing the marked application in the virtual screen, and sending the virtual screen data to the receiving terminal. The selected application is projected, and the unselected application is not projected, so that the projection content can be controlled and selected by a user, the application related to the privacy of the user is prevented from being projected to a receiving end, the private information of the user is prevented from being leaked, and the user experience is improved.

Description

Projection control method, device and system
Technical Field
The invention relates to the technical field of projection, in particular to a projection control method, device and system.
Background
Along with the rapid development of the electronic industry, the intelligent degree of the mobile terminal is higher and higher. Research and development companies of mobile terminals also pay more and more attention to intellectualization and humanized design. Under the background of rapid development of the mobile terminal, the convenient operation and humanized design of the terminal become a part of the mobile terminal which is not ignored.
At present, mobile terminals are rapidly popularized, more and more users start to hold two or more mobile devices, and therefore, the function of screen projection (WFD) comes along with the wave of technological development, and many mobile devices have the function of screen projection. The functionality may project one device interface onto another device interface in a wireless or wired manner.
In the course of carrying out the present invention, the inventors found that the related art has at least the following technical problems: at present, the wifi display function does not provide a function that a user controls and selects related contents of an interface and projects the contents to a receiving end. In the using process of a user, such as in the projection process, a projection terminal receives related application information and displays the related application information on a receiving terminal interface in real time, some application information designs user privacy, and the related technology has the problem of revealing user private information, so that the using experience of the user is influenced.
Disclosure of Invention
The invention mainly aims to provide a projection control method, a projection control device and a projection control system, and aims to solve the technical problem that privacy disclosure is caused because projected contents cannot be controlled and selected in the projection process of equipment.
To achieve the above object, the present invention provides a projection control apparatus, comprising:
the receiving and providing selection module is used for receiving a calling instruction for calling the layered projection management on the main screen; providing an application selection interface for selecting the application participating in the projection interface synthesis according to the calling instruction;
and the receiving, selecting, synthesizing and sending module is used for receiving a selection instruction of the application in the application selection interface on the main screen, acquiring an application mark to be synthesized according to the selection instruction, synthesizing the marked application in the virtual screen and sending the virtual screen data to the receiving terminal.
Optionally, the virtual screen is composed by drawing an application layer corresponding to the marked application.
Optionally, the receiving, selecting, synthesizing and sending module is further configured to:
and when the number of the applications to be synthesized is zero, synthesizing the preset virtual screen and sending the preset virtual screen data to the receiving terminal.
Optionally, the apparatus further comprises:
and the recording module is used for recording the virtual screen data as default virtual screen data and calling the data when the data is projected again.
Optionally, the apparatus further comprises:
and the receiving and prompting module is used for prompting a selection button when receiving the message or the notice of the application which does not participate in the projection interface synthesis, wherein the selection button comprises a confirmation button for confirming the sending of the message data or the notice data to the receiving terminal and a cancel button for canceling the sending.
In order to achieve the above object, the present invention further provides a projection control method, including:
receiving a calling instruction for calling hierarchical projection management at a main screen; providing an application selection interface for selecting the application participating in the projection interface synthesis according to the calling instruction;
and receiving a selection instruction of the application in the application selection interface at the home screen, acquiring an application mark to be synthesized according to the selection instruction, synthesizing the marked application in the virtual screen, and sending the virtual screen data to the receiving terminal.
Optionally, the method further comprises:
and when the number of the applications to be synthesized is zero, synthesizing the preset virtual screen and sending the preset virtual screen data to the receiving terminal.
Optionally, the method further comprises:
and recording the virtual screen data as default virtual screen data and calling the data when the data is projected again.
In order to achieve the above object, the present invention further provides a projection control system, which includes a transmitting terminal and a receiving terminal;
the sending end is used for receiving a calling instruction for calling the layered projection management on the main screen; providing an application selection interface for selecting the application participating in the projection interface synthesis according to the calling instruction; receiving a selection instruction of the application in the application selection interface on the main screen, acquiring an application mark to be synthesized according to the selection instruction, synthesizing the marked application in the virtual screen, and sending the virtual screen data to the receiving terminal;
and the receiving terminal receives the virtual screen data and generates a projection interface.
Optionally, the receiving terminal is further configured to suspend reverse control on an application that does not participate in projection interface synthesis in the sending terminal.
According to the projection control method provided by the invention, through selection of the applications participating in projection, the application marks to be synthesized are obtained according to the selection instruction, the marked applications are synthesized in the virtual screen and the virtual screen data are sent to the receiving terminal, and the selected applications are projected without projecting the unselected applications, so that controllable selection of projection contents by a user is realized, some applications related to user privacy are prevented from being projected to the receiving terminal, leakage of private messages of the user is prevented, and user experience is improved.
Drawings
Fig. 1 is a schematic diagram of an alternative hardware configuration of a mobile terminal implementing various embodiments of the present invention;
FIG. 2 is a diagram of a wireless communication system for the mobile terminal shown in FIG. 1;
fig. 3 is an application environment diagram of a projection control method according to an embodiment of the present invention;
fig. 4 is a flowchart of a projection control method according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a projection control method according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a projection control method according to another embodiment of the present invention;
FIG. 7 is a block diagram of a projection control apparatus according to an embodiment of the present invention;
fig. 8 is a block diagram of a projection control system according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a projection bidirectional transmission of a projection control system according to an embodiment 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.
A mobile terminal implementing various embodiments of the present invention will now be described with reference to the accompanying drawings. 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 themselves. Thus, "module" and "component" may be used in a mixture.
The mobile 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 smart phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a navigation device, and the like, and a stationary terminal such as a digital TV, a desktop computer, and the like. In the following, it is assumed that the terminal is a mobile terminal. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for moving purposes.
Fig. 1 is an illustration of an alternative hardware architecture of a mobile terminal implementing various embodiments of the present invention.
The mobile terminal 100 may include a wireless communication unit 110, an output unit 150, a memory 160, a controller 180, a power supply unit 190, and the like. Fig. 1 illustrates a mobile terminal having various components, but it is to be understood that not all illustrated components are required to be implemented. More or fewer components may alternatively be implemented. Elements of the mobile terminal will be described in detail below.
The wireless communication unit 110 typically includes one or more components that allow radio communication between the mobile terminal 100 and a wireless communication system or network. For example, the wireless communication unit may include at least one of a broadcast receiving module 111, a mobile communication module 112, a wireless internet module 113, a short-range communication module 114, and a location information module 115. Specifically, the wireless communication unit 110 enables connection between one mobile terminal 100 and another mobile terminal 100, such as connection between a mobile phone and a mobile phone, connection between a mobile phone and a television, connection between a mobile phone and a projector, and the like.
The broadcast receiving module 111 receives a broadcast signal and/or broadcast associated information from an external broadcast management server via a broadcast channel. The broadcast channel may include a satellite channel and/or a terrestrial channel. The broadcast management server may be a server that generates and transmits a broadcast signal and/or broadcast associated information or a server that receives a previously generated broadcast signal and/or broadcast associated information and transmits it to a terminal. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and the like. Also, the broadcast signal may further include a broadcast signal combined with a TV or radio broadcast signal. The broadcast associated information may also be provided via a mobile communication network, and in this case, the broadcast associated information may be provided by a mobile stationAnd the mobile communication module 112. The broadcast signal may exist in various forms, for example, it may exist in the form of an Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB), an Electronic Service Guide (ESG) of digital video broadcasting-handheld (DVB-H), and the like. The broadcast receiving module 111 may receive a signal broadcast by using various types of broadcasting systems. In particular, the broadcast receiving module 111 may receive a broadcast signal by using a signal such as multimedia broadcasting-terrestrial (DMB-T), digital multimedia broadcasting-satellite (DMB-S), digital video broadcasting-handheld (DVB-H), forward link media (MediaFLO)@) A digital broadcasting system of a terrestrial digital broadcasting integrated service (ISDB-T), etc. receives digital broadcasting. The broadcast receiving module 111 may be constructed to be suitable for various broadcasting systems that provide broadcast signals as well as the above-mentioned digital broadcasting systems. The broadcast signal and/or broadcast associated information received via the broadcast receiving module 111 may be stored in the memory 160 (or other type of storage medium).
The mobile communication module 112 transmits and/or receives radio signals to and/or from at least one of a base station (e.g., access point, node B, etc.), an external terminal, and a server. Such radio signals may include voice call signals, video call signals, or various types of data transmitted and/or received according to text and/or multimedia messages.
The wireless internet module 113 supports wireless internet access of the mobile terminal. The module may be internally or externally coupled to the terminal. The wireless internet access technology to which the module relates may include WLAN (wireless LAN) (Wi-Fi), Wibro (wireless broadband), Wimax (worldwide interoperability for microwave access), HSDPA (high speed downlink packet access), and the like.
The short-range communication module 114 is a module for supporting short-range communication. Some examples of short-range communication technologies include bluetoothTMRadio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), zigbeeTMAnd so on.
The location information module 115 is a module for checking or acquiring location information of the mobile terminal. A typical example of the location information module is a GPS (global positioning system). According to the current technology, the GPS module 115 calculates distance information and accurate time information from three or more satellites and applies triangulation to the calculated information, thereby accurately calculating three-dimensional current location information according to longitude, latitude, and altitude. Currently, a method for calculating position and time information uses three satellites and corrects an error of the calculated position and time information by using another satellite. In addition, the GPS module 115 can calculate speed information by continuously calculating current position information in real time.
The output unit 150 is configured to provide output signals (e.g., audio signals, video signals, alarm signals, vibration signals, etc.) in a visual, audio, and/or tactile manner. The output unit 150 may include a display unit 151, an audio output module 152, an alarm unit 153, and the like.
The display unit 151 may display information processed in the mobile terminal 100. For example, when the mobile terminal 100 is in a phone call mode, the display unit 151 may display a User Interface (UI) or a Graphical User Interface (GUI) related to a call or other communication (e.g., text messaging, multimedia file downloading, etc.). When the mobile terminal 100 is in a video call mode or an image capturing mode, the display unit 151 may display a captured image and/or a received image, a UI or GUI showing a video or an image and related functions, and the like.
Meanwhile, when the display unit 151 and the touch pad are overlapped with each other in the form of a layer to form a touch screen, the display unit 151 may serve as an input device and an output device. The display unit 151 may include at least one of a Liquid Crystal Display (LCD), a thin film transistor LCD (TFT-LCD), an Organic Light Emitting Diode (OLED) display, a flexible display, a three-dimensional (3D) display, and the like. Some of these displays may be configured to be transparent to allow a user to view from the outside, which may be referred to as transparent displays, and a typical transparent display may be, for example, a TOLED (transparent organic light emitting diode) display or the like. Depending on the particular desired implementation, the mobile terminal 100 may include two or more display units (or other display devices), for example, the mobile terminal may include an external display unit (not shown) and an internal display unit (not shown). The touch screen may be used to detect a touch input pressure as well as a touch input position and a touch input area.
The audio output module 152 may convert audio data received by the wireless communication unit 110 or stored in the memory 160 into an audio signal and output as sound when the mobile terminal 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 module 152 may 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 module 152 may include a speaker, a buzzer, and the like.
The alarm unit 153 may provide an output to notify the mobile terminal 100 of the occurrence of an event. Typical events may include call reception, message reception, key signal input, touch input, and the like. In addition to audio or video output, the alarm unit 153 may provide output in different ways to notify the occurrence of an event. For example, the alarm unit 153 may provide an output in the form of vibration, and when a call, a message, or some other incoming communication (communicating communication) is received, the alarm unit 153 may provide a tactile output (i.e., vibration) to inform the user thereof. By providing such a tactile output, the user can recognize the occurrence of various events even when the user's mobile phone is in the user's pocket. The alarm unit 153 may also provide an output notifying the occurrence of an event via the display unit 151 or the audio output module 152.
The memory 160 may store software programs and the like for processing and controlling operations performed by the controller 180, or may temporarily store data (e.g., a phonebook, messages, still images, videos, and the like) that has been or will be output. Also, the memory 160 may store data regarding various ways of vibration and audio signals output when a touch is applied to the touch screen.
The memory 160 may include at least one type of storage medium including a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, and the like. Also, the mobile terminal 100 may cooperate with a network storage device that performs a storage function of the memory 160 through a network connection.
The controller 180 generally controls the overall operation of the mobile terminal. For example, the controller 180 performs control and processing related to voice calls, data communications, video calls, and the like. In addition, the controller 180 may include a projection module 1810 for screen projection, and the projection module 1810 may be configured within the controller 180 or may be configured to be separated from the controller 180. The controller 180 may perform a pattern recognition process to recognize a handwriting input or a picture drawing input performed on the touch screen as a character or an image.
The power supply unit 190 receives external power or internal power and provides appropriate power required to operate various elements and components under the control of the controller 180.
The various embodiments described herein may be implemented in a computer-readable medium using, for example, computer software, hardware, or any combination thereof. For a hardware implementation, the embodiments described herein may be implemented using at least one of an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a processor, a controller, a microcontroller, a microprocessor, an electronic unit designed to perform the functions described herein, and in some cases, such embodiments may be implemented in the controller 180. For a software implementation, the implementation such as a process or a function may be implemented with a separate software module that allows performing at least one function or operation. The software codes may be implemented by software applications (or programs) written in any suitable programming language, which may be stored in the memory 160 and executed by the controller 180.
Up to this point, mobile terminals have been described in terms of their functionality. Hereinafter, a slide-type mobile terminal among various types of mobile terminals, such as a folder-type, bar-type, swing-type, slide-type mobile terminal, and the like, will be described as an example for the sake of brevity. Accordingly, the present invention can be applied to any type of mobile terminal, and is not limited to a slide type mobile terminal.
The mobile terminal 100 as shown in fig. 1 may be configured to operate with communication systems such as wired and wireless communication systems and satellite-based communication systems that transmit data via frames or packets.
A communication system in which a mobile terminal according to the present invention is operable will now be described with reference to fig. 2.
Such communication systems may use different air interfaces and/or physical layers. For example, the air interface used by the communication system includes, for example, Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA), and Universal Mobile Telecommunications System (UMTS) (in particular, Long Term Evolution (LTE)), global system for mobile communications (GSM), and the like. By way of non-limiting example, the following description relates to a CDMA communication system, but such teachings are equally applicable to other types of systems.
Referring to fig. 2, the CDMA wireless communication system may include a plurality of mobile terminals 100, a plurality of Base Stations (BSs) 270, Base Station Controllers (BSCs) 275, and a Mobile Switching Center (MSC) 280. The MSC280 is configured to interface with a Public Switched Telephone Network (PSTN) 290. The MSC280 is also configured to interface with a BSC275, which may be coupled to the base station 270 via a backhaul. The backhaul may be constructed according to any of several known interfaces including, for example, E1/T1, ATM, IP, PPP, frame Relay, HDSL, ADSL, or xDSL. It will be understood that a system as shown in fig. 2 may include multiple BSCs 2750.
Each BS270 may serve one or more sectors (or regions), each sector covered by a multi-directional antenna or an antenna pointing in a particular direction being radially distant from the BS 270. Alternatively, each partition may be covered by two or more antennas for diversity reception. Each BS270 may be configured to support multiple frequency allocations, with each frequency allocation having a particular frequency spectrum (e.g., 1.25MHz,5MHz, etc.).
The intersection of partitions with frequency allocations may be referred to as a CDMA channel. The BS270 may also be referred to as a Base Transceiver Subsystem (BTS) or other equivalent terminology. In such a case, the term "base station" may be used to generically refer to a single BSC275 and at least one BS 270. The base stations may also be referred to as "cells". Alternatively, each sector of a particular BS270 may be referred to as a plurality of cell sites.
As shown in fig. 2, a Broadcast Transmitter (BT)295 transmits a broadcast signal to the mobile terminal 100 operating within the system. A broadcast receiving module 111 as shown in fig. 1 is provided at the mobile terminal 100 to receive a broadcast signal transmitted by the BT 295. In fig. 2, several Global Positioning System (GPS) satellites 300 are shown. The satellite 300 assists in locating at least one of the plurality of mobile terminals 100.
In fig. 2, a plurality of satellites 300 are depicted, but it is understood that useful positioning information may be obtained with any number of satellites. The GPS module 115 as shown in fig. 1 is generally configured to cooperate with satellites 300 to obtain desired positioning information. Other techniques that can track the location of the mobile terminal may be used instead of or in addition to GPS tracking techniques. In addition, at least one GPS satellite 300 may selectively or additionally process satellite DMB transmission.
As a typical operation of the wireless communication system, the BS270 receives reverse link signals from various mobile terminals 100. The mobile terminal 100 is generally engaged in conversations, messaging, and other types of communications. Each reverse link signal received by a particular base station 270 is processed within the particular BS 270. The obtained data is forwarded to the associated BSC 275. The BSC provides call resource allocation and mobility management functions including coordination of soft handoff procedures between BSs 270. The BSCs 275 also route the received data to the MSC280, which provides additional routing services for interfacing with the PSTN 290. Similarly, the PSTN290 interfaces with the MSC280, the MSC interfaces with the BSCs 275, and the BSCs 275 accordingly control the BS270 to transmit forward link signals to the mobile terminal 100.
Fig. 3 is an application environment for executing the projection control method according to the embodiment of the present invention. As shown in fig. 3, the application environment includes: a user 10, a sender 20, a receiver terminal 30, and a network 50.
The user 10 may interact with the sender 20 through any suitable type of one or more user interaction devices, such as a touch screen, physical buttons, a virtual mouse, or a virtual keyboard, to input instructions or control the sender 20 to perform one or more operations, to display a projected image on the receiver terminal 30 for presentation to one or more users. Specifically, the sending end 20 and the receiving terminal 30 both have a display unit 151, the sending end 20 displays content as main screen display content on its own display unit 151, and after the sending end 20 establishes screen projection connection with the receiving terminal 30, virtual screen data is synthesized and sent to the receiving terminal 30, so as to realize display on the display unit 151 of the receiving terminal. For the transmitting end 20, the content displayed on the receiving terminal 30 is the content displayed on its virtual screen.
Both the transmitting end 20 and the receiving terminal 30 may be the mobile terminals described above.
The network 50 may be any suitable wired or wireless network for enabling a communicative connection between two devices. The sending end 20 and the receiving end 30 can establish a communication connection with one or more different projection devices 20 through the network 50 to upload or issue data/instructions.
It should be noted that the projection control method provided in the embodiment of the present invention may be further extended to other suitable application environments having multiple users or being projected to multiple receiving terminals 30 by one transmitting end 20, and is not limited to the application environment shown in fig. 3. Although only 1 user 10, 1 sender 20, 1 receiver terminal 30 is shown in fig. 3. However, it will be understood by those skilled in the art that the application environment may include more or less users, senders and receivers in practical application.
Based on the above mobile terminal hardware structure and communication system, the present invention provides various embodiments of the method.
As shown in fig. 4, a first embodiment of the present invention provides a projection control method, which is applied to a mobile terminal, and includes:
s410, receiving a calling instruction for calling hierarchical projection management on a main screen; providing an application selection interface for selecting the application participating in the projection interface synthesis according to the calling instruction;
the method comprises the steps of providing an application selection interface for selecting an application participating in projection interface synthesis, specifically, providing the application selection interface in a mode of popup window, jumping to a new page or hovering and displaying the application selection interface at a certain position on a screen, wherein the application selection interface comprises an application list.
S430, receiving a selection instruction of the application in the application selection interface in the main screen, acquiring an application mark to be synthesized according to the selection instruction, synthesizing the marked application in the virtual screen, and sending the virtual screen data to the receiving terminal.
Compared with the prior art that the display content of the main screen of the sending end is directly projected to the receiving terminal for displaying, the embodiment of the invention provides the application selection interface for selecting the application participating in projection interface synthesis in the projection process, so that the user has the right to select the application participating in projection, and the method is more humanized and can better protect the privacy of the user.
In some embodiments, the virtual screen is composited by an application layer corresponding to the marked application. And the display content of the virtual screen is equivalent to the display content of a projection interface projected to the receiving terminal by the transmitting terminal.
According to the projection control method provided by the invention, through selection of the applications participating in projection, the application marks to be synthesized are obtained according to the selection instruction, the marked applications are synthesized in the virtual screen and the virtual screen data are sent to the receiving terminal, and the selected applications are projected without projecting the unselected applications, so that controllable selection of projection contents by a user is realized, some applications related to user privacy are prevented from being projected to the receiving terminal, leakage of private messages of the user is prevented, and user experience is improved.
Further, before the step of receiving a call instruction for calling hierarchical projection management by the home screen, the method further includes:
s420, obtaining a message that the screen projection connection between the sending terminal and at least one receiving terminal is successful.
Specifically, the projection process refers to a process after a screen projection connection between a sending terminal and at least one receiving terminal is successful, and an application participating in projection is selected only when the screen projection connection is successful. Fig. 5 and 6 are schematic diagrams of a projection control method according to an embodiment of the invention. As shown in fig. 5 and 6, in the screen projection process, a user may click a layered projection management button displayed in a display screen, or an entity key preset at a sending end, such as a long-press of a fingerprint key or a long-press of a volume key, to pop up a layer list of applications currently participating in projection interface synthesis, where the layer list displays applications currently participating in projection interface synthesis layering in a display module (display).
For example, in fig. 5, which is an interface at the generation end, which displays an interface synthesis layer (application of the projection interface synthesis layer), layer-1 and layer-2 … … layer-n can be selected.
As shown in fig. 6, a main screen of the transmitting end, an application selection interface, a virtual screen, and a display interface of the receiving terminal are displayed. And sending the selected application hierarchy in the application hierarchy list of the application selection interface to the receiving terminal and displaying the application hierarchy. And if the application layers which are not selected are layered, the application layers do not participate in drawing the synthetic virtual screen and are not sent to the receiving terminal for displaying.
Each application layer has a corresponding display sequence in the display module, and the display module processes, synthesizes and displays the current interface (main screen display interface) according to the data and sequence displayed by each application layer.
The user can choose to cancel the application layer participating in the synthetic projection interface, choose the application layer participating in the synthetic interface according to the user's requirement, and send the synthetic virtual screen data to the receiving terminal according to the selection result.
In some embodiments, in the application hierarchical list participating in the projection interface synthesis, the name of each application is displayed, or the application name and the application icon are displayed, so that the user can conveniently select the application.
The embodiment of the invention has the advantages that after the screen projection connection between the sending terminal and at least one receiving terminal is successful, the layered projection management is called, and the application selection interface for selecting the application participating in the projection interface synthesis is provided, so that the user can select the application layer participating in the projection interface synthesis. The user selects the application participating in the projection interface synthesis, receives the selection instruction of the application in the application selection interface on the main screen, obtains the application mark to be synthesized according to the selection instruction, draws and synthesizes the application layer by layer corresponding to the marked application into a virtual screen, and sends the virtual screen data to the receiving terminal. After being received by the receiving terminal, the virtual screen data is analyzed to obtain the application hierarchy corresponding to the application participating in the projection interface synthesis, the application of the display module of the receiving terminal participating in the interface synthesis application hierarchy is obtained, and the display content of the display screen can be generated quickly and accurately.
In another embodiment, the projection control method is applied to a mobile terminal, and the method further includes:
and S440, when the screen projection connection is closed, emptying the virtual screen data.
In the process of one projection, a user selects a certain application not to participate in the interface synthesis projection, and when the application is closed in the projection process, the projection process is started again, and the application still does not participate in the interface synthesis projection.
The embodiment of the invention has the advantages that the selection of the application program participating in projection in the projection control is one-time, the selection result is not memorized in the next projection, and the virtual screen data sent by the sending end is emptied and deleted when the screen projection connection is closed. In projection control, subsequent projections each provide the user with sufficient freedom to select an application that participates in the projection interface composition.
In still another embodiment, the projection control method is applied to a mobile terminal, and the method further includes:
and S450, recording the virtual screen data as default virtual screen data and calling the data when the data is projected again.
The embodiment of the invention has the beneficial effects that the technical scheme of clearing the virtual screen data when the screen projection connection is closed is distinguished, the embodiment of the invention records the virtual screen data as default virtual screen data and calls the default virtual screen data when the screen projection is closed, the selection of the application program participating in the projection control is memorable, the selection result is memorized when the next projection is carried out, the virtual screen data sent by the sending end is called when the projection is carried out again, and the user does not need to select the same application again to participate in the projection interface synthesis during the subsequent projection, so that the embodiment of the invention is more humanized and improves the user experience.
Further, the virtual screen data is recorded as default virtual screen data, and when the virtual screen data is called during re-projection, an application selection interface for selecting the application participating in projection interface synthesis is still provided, namely the application selection interface for modifying the selection result is provided, if the user requirement changes, the application participating in projection interface synthesis can be reselected, and the user requirement can be better adapted on the basis of humanization.
In another embodiment of the present invention, the projection control method is applied to a mobile terminal, and the method further includes:
and S460, prompting a selection button when receiving the message or the notice of the application which does not participate in the projection interface synthesis, wherein the selection button comprises a confirmation button for confirming the sending of the message data or the notice data to the receiving terminal and a cancel button for canceling the sending.
Specifically, the prompt of whether to send the message data or the notification data to be projected to the receiving terminal may be prompted only once, followed by remembering the user's setting by default, and automatically executed.
The embodiment of the invention has the advantages that although the application does not participate in the projection interface synthesis, when receiving the message or the notice of the application not participating in the projection interface synthesis, the user is still prompted, and the user is given enough freedom to select whether the application message data or the notice data not participating in the projection interface synthesis is sent to be projected to the receiving terminal. The embodiment of the invention can realize that the message or the notice of the application which does not participate in the projection interface synthesis is projected in the receiving terminal.
For example, the short message application is an application that does not participate in projection interface synthesis, or an application that does not participate in projection interface synthesis, and when a new short message enters, the user is still prompted whether to display the new message. If in the process of screen projection, when a projection party (a sending end) has a short message, a pop-up dialog box prompts a user to display whether the message is projected to a receiving party (a receiving terminal), and the user can select the message according to the situation.
In another embodiment of the present invention, the projection control method is applied to a mobile terminal, and the method further includes:
s470, obtaining the application sequence in the application hierarchical list, and sequencing the selected application according to the application sequence in the application hierarchical list.
The method and the device have the advantages that the sequencing of the applications in the application hierarchical list is directly called, the selected applications are sequenced, the selected applications are used as the data allowing the projection applications to synthesize the virtual screen and are sent to realize projection in the receiving terminal, and the display module of the receiving terminal processes, synthesizes and displays the display interface of the receiving terminal according to the data and the sequence displayed by the applications.
Further, in some embodiments, the selected applications may be reordered, and the ordering may be set at the sending end or set at the receiving terminal, which is not limited in the present invention.
In yet another embodiment of the present invention, the method further comprises:
and when the number of the applications to be synthesized is zero, synthesizing the preset virtual screen and sending the preset virtual screen data to the receiving terminal.
Specifically, the preset virtual screen data may be interface data including a desktop background of the user display screen, or other interface data selected in advance.
The embodiment of the invention has the advantages that the preset virtual screen data is configured in advance, when a user does not want to show specific application and does not select application participating in projection interface synthesis, the preset virtual screen data is sent, the preset virtual screen data is directly sent, and limited projection from a sending end to a receiving terminal is realized more simply and quickly.
The invention further provides a projection control device 500. As shown in fig. 7, the apparatus includes:
a receiving and providing selection module 510, configured to receive a call instruction for calling hierarchical projection management on a home screen; providing an application selection interface for selecting the application participating in the projection interface synthesis according to the calling instruction;
a receiving selection and synthesis sending module 530, configured to receive, in the main screen, a selection instruction for an application in the application selection interface, obtain an application mark to be synthesized according to the selection instruction, synthesize the marked application in the virtual screen, and send virtual screen data to the receiving terminal.
It should be noted that the projection control apparatus 500 according to the embodiment of the present invention and the projection control apparatus method according to the embodiment of the present invention are based on the same inventive concept, and the corresponding technical contents in the embodiment of the method and the embodiment of the apparatus are mutually applicable, and will not be described in detail herein.
The projection control device 500 of the embodiment of the invention has the advantages that the projection control device 500 comprises a receiving and providing selection module 510 and a receiving selection and synthesis sending module 530. By selecting the applications participating in projection, the application marks to be synthesized are obtained according to the selection instruction, the marked applications are synthesized in the virtual screen, the virtual screen data are sent to the receiving terminal, the selected applications are projected, and the unselected applications are not projected, so that the user can controllably select the projection content, some applications related to the privacy of the user are prevented from being projected to the receiving terminal, the private information of the user is prevented from being leaked, and the user experience is improved.
In another embodiment, the receiving and providing selection module 510 is further configured to obtain a message that the screen projection connection between the sending terminal and the at least one receiving terminal is successful.
In some embodiments, the virtual screen is composited by an application layer corresponding to the marked application.
The embodiment of the invention has the advantages that after the screen projection connection between the sending terminal and at least one receiving terminal is successful, the layered projection management is called, and the application selection interface for selecting the application participating in the projection interface synthesis is provided, so that the user can select the application layer participating in the projection interface synthesis. The user selects the application participating in the projection interface synthesis, receives the selection instruction of the application in the application selection interface on the main screen, obtains the application mark to be synthesized according to the selection instruction, draws and synthesizes the application layer by layer corresponding to the marked application into a virtual screen, and sends the virtual screen data to the receiving terminal. After being received by the receiving terminal, the virtual screen data is analyzed to obtain the application hierarchy corresponding to the application participating in the projection interface synthesis, the application of the display module of the receiving terminal participating in the interface synthesis application hierarchy is obtained, and the display content of the display screen can be generated quickly and accurately.
In yet another embodiment of the present invention, the apparatus further comprises:
and the clearing module 540 is configured to clear the virtual screen data when the screen projection connection is closed.
The embodiment of the invention has the advantages that the selection of the application program participating in projection in the projection control is one-time, the selection result is not memorized in the next projection, and the virtual screen data sent by the sending end is emptied and deleted when the screen projection connection is closed. In projection control, subsequent projections each provide the user with sufficient freedom to select an application that participates in the projection interface composition.
In another embodiment of the present invention, the apparatus further comprises:
and a 550 recording module for recording the virtual screen data as default virtual screen data and calling when the virtual screen data is projected again.
The embodiment of the invention has the beneficial effects that the technical scheme of clearing the virtual screen data when the screen projection connection is closed is distinguished, the embodiment of the invention records the virtual screen data as default virtual screen data and calls the default virtual screen data when the screen projection is closed, the selection of the application program participating in the projection control is memorable, the selection result is memorized when the next projection is carried out, the virtual screen data sent by the sending end is called when the projection is carried out again, and the user does not need to select the same application again to participate in the projection interface synthesis during the subsequent projection, so that the embodiment of the invention is more humanized and improves the user experience.
In yet another embodiment of the present invention, the apparatus further comprises:
and a prompt module 560, configured to receive and prompt a selection button when receiving a message or a notification of an application that does not participate in projection interface synthesis, where the selection button includes a confirmation button for confirming sending of message data or notification data to the receiving terminal and a cancel button for canceling sending.
The embodiment of the invention has the advantages that although the application does not participate in the projection interface synthesis, when receiving the message or the notice of the application not participating in the projection interface synthesis, the user is still prompted, and the user is given enough freedom to select whether the application message data or the notice data not participating in the projection interface synthesis is sent to be projected to the receiving terminal. The embodiment of the invention can realize that the message or the notice of the application which does not participate in the projection interface synthesis is projected in the receiving terminal.
In yet another embodiment of the present invention, the apparatus further comprises:
the obtaining and sorting module 570 is configured to obtain the rankings of the applications in the application hierarchical list, and sort the selected applications according to the rankings of the applications in the application hierarchical list.
The method and the device have the advantages that the sequencing of the applications in the application hierarchical list is directly called, the selected applications are sequenced, the selected applications are used as the data allowing the projection applications to synthesize the virtual screen and are sent to realize projection in the receiving terminal, and the display module of the receiving terminal processes, synthesizes and displays the display interface (the virtual screen display interface) of the receiving terminal according to the data and the sequence displayed by the applications.
In another embodiment of the present invention, the receiving selection and composition sending module 530 is further configured to, when the number of applications to be combined is zero, combine the preset virtual screens and send the preset virtual screen data to the receiving terminal.
The embodiment of the invention has the advantages that the preset virtual screen data is configured in advance, when a user does not want to show specific application and does not select application participating in projection interface synthesis, the preset virtual screen data is sent, the preset virtual screen data is directly sent, and limited projection from a sending end to a receiving terminal is realized more simply and quickly.
The present invention further provides a projection control system 600. As shown in fig. 8, the system includes a transmitting terminal 610 and a receiving terminal 620;
the sending end 610 is configured to receive a call instruction for calling hierarchical projection management on a home screen; providing an application selection interface for selecting the application participating in the projection interface synthesis according to the calling instruction; receiving a selection instruction of an application in the application selection interface on a home screen, acquiring an application mark to be synthesized according to the selection instruction, synthesizing the marked application in a virtual screen, and sending virtual screen data to the receiving terminal 620;
the receiving terminal 620 receives the virtual screen data and generates a projection interface.
It should be noted that the projection control apparatus 500 according to the embodiment of the present invention and the projection control apparatus method according to the embodiment of the present invention are based on the same inventive concept, and the corresponding technical contents in the embodiment of the method and the embodiment of the system are mutually applicable, and will not be described in detail herein.
According to the projection control system 600 provided by the invention, the sending terminal 610 obtains the application mark to be synthesized according to the selection instruction by selecting the application participating in projection, synthesizes the marked application in the virtual screen and sends the virtual screen data to the receiving terminal 620, and the receiving terminal 620 receives the virtual screen data and generates the projection interface. The projection control system 600 provided by the embodiment of the invention projects selected applications without projecting unselected applications, thereby realizing controllable selection of projection contents by users, preventing some applications related to user privacy from being projected to a receiving end, preventing private information of the users from being leaked, and improving user experience.
In another embodiment, the receiving terminal 620 is further configured to pause the reverse control for the application not participating in the projection interface synthesis in the transmitting end.
For the application which does not participate in the projection interface synthesis, the setting of the sending terminal is uncontrolled, and the receiving terminal does not have the function of reverse control (UIBC). Fig. 9 is a projection bidirectional transmission schematic diagram of a projection control method according to an embodiment of the present invention. As shown in fig. 9, the transmitting end (the projecting end a) transmits virtual screen data, and the receiving end (the receiving end B) performs reverse control on an application participating in projection interface composition.
The embodiment of the invention has the advantages that for the application which does not participate in the synthesis of the projection interface, the sending end is not controlled, namely, the receiving terminal suspends the reverse control function, so that the receiving terminal is prevented from touching and influencing the projection process of the screen, and the projection process is smoother.
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 device (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.
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 (9)

1. A projection control apparatus, comprising:
the receiving and providing selection module is used for receiving a calling instruction for calling the layered projection management on the main screen; providing an application selection interface for selecting the application participating in the projection interface synthesis according to the calling instruction;
the receiving, selecting, synthesizing and sending module is used for receiving a selection instruction of the application in the application selection interface on the main screen, acquiring an application mark to be synthesized according to the selection instruction, synthesizing the marked application in the virtual screen and sending the virtual screen data to the receiving terminal; receiving a selection instruction of an application in the application selection interface comprises receiving a selection of an application participating in a projection interface composition hierarchy in an application hierarchy list; and the virtual screen is drawn and synthesized on the application layer corresponding to the marked application.
2. The apparatus of claim 1, wherein the receive select and composite send module is further configured to:
and when the number of the applications to be synthesized is zero, synthesizing the preset virtual screen and sending the preset virtual screen data to the receiving terminal.
3. The apparatus of claim 1, further comprising:
and the recording module is used for recording the virtual screen data as default virtual screen data and calling the data when the data is projected again.
4. The apparatus of claim 1, further comprising:
and the receiving and prompting module is used for prompting a selection button when receiving the message or the notice of the application which does not participate in the projection interface synthesis, wherein the selection button comprises a confirmation button for confirming the sending of the message data or the notice data to the receiving terminal and a cancel button for canceling the sending.
5. A projection control method, comprising:
receiving a calling instruction for calling hierarchical projection management at a main screen; providing an application selection interface for selecting the application participating in the projection interface synthesis according to the calling instruction;
receiving a selection instruction of the application in the application selection interface on the main screen, acquiring an application mark to be synthesized according to the selection instruction, synthesizing the marked application in the virtual screen, and sending the virtual screen data to the receiving terminal; receiving a selection instruction of an application in the application selection interface comprises receiving a selection of an application participating in a projection interface composition hierarchy in an application hierarchy list; and the virtual screen is drawn and synthesized on the application layer corresponding to the marked application.
6. The method of claim 5, further comprising:
and when the number of the applications to be synthesized is zero, synthesizing the preset virtual screen and sending the preset virtual screen data to the receiving terminal.
7. The method of claim 5, further comprising:
and recording the virtual screen data as default virtual screen data and calling the data when the data is projected again.
8. A projection control system is characterized by comprising a sending terminal and a receiving terminal;
the sending end is used for receiving a calling instruction for calling the layered projection management on the main screen; providing an application selection interface for selecting the application participating in the projection interface synthesis according to the calling instruction; receiving a selection instruction of the application in the application selection interface on the main screen, acquiring an application mark to be synthesized according to the selection instruction, synthesizing the marked application in the virtual screen, and sending the virtual screen data to the receiving terminal; receiving a selection instruction of an application in the application selection interface comprises receiving a selection of an application participating in a projection interface composition hierarchy in an application hierarchy list;
the receiving terminal receives the virtual screen data and generates a projection interface; and the virtual screen is drawn and synthesized on the application layer corresponding to the marked application.
9. The system of claim 8, wherein the receiving terminal is further configured to suspend reverse control for applications on the transmitting side that do not participate in the composition of the projection interface.
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