CN107493375B - Mobile terminal expansion screen projection method and screen projection system - Google Patents
Mobile terminal expansion screen projection method and screen projection system Download PDFInfo
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- CN107493375B CN107493375B CN201710522898.2A CN201710522898A CN107493375B CN 107493375 B CN107493375 B CN 107493375B CN 201710522898 A CN201710522898 A CN 201710522898A CN 107493375 B CN107493375 B CN 107493375B
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0272—Details of the structure or mounting of specific components for a projector or beamer module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/54—Details of telephonic subscriber devices including functional features of a projector or beamer module assembly
Abstract
The invention relates to an expanded screen projection method and a screen projection system of a mobile terminal. The mobile terminal is provided with a main screen, the main screen is used for displaying a main screen window interface, and the screen projection method comprises the following steps: establishing a screen projecting window interface, wherein the screen projecting window interface is an operating system interface comprising a desktop, a taskbar and an application starter, and is independent of the main screen window interface; and projecting the screen projecting window interface to external display equipment by the mobile terminal. The screen projection system comprises: the screen projection window interface creation unit and the projection unit. According to the screen projecting method and the screen projecting system, the content of the screen projecting display interface is not limited by the content of the main screen display, the independent operation effect is achieved, and the user experience is greatly improved.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method and a system for providing an operation interface in an extended mode after a mobile terminal is connected with external display equipment.
Background
With the development of smart phones, the application modes of smart phones are more and more diversified. The smartphone with an Android system supports mirror image Display of multiple Display types on an external Display, comprises a built-in Display type (local), an HDMI Display type and a WIFI Display protocol (MIRACAST), and realizes mirror image projection Display of local interface content of the smartphone on a remote external Display. The smart phone of the iOS system can also project the content of the local interface on an external display in a mirror image mode through an Airplay protocol for display.
In the prior art, the screen projection mode of the intelligent mobile phone can only realize mirror image display, that is, the display content of the screen projection of the intelligent mobile phone on the external display equipment is completely the same as the display content of the main screen of the intelligent mobile phone or is only a part of the display content of the main screen, the display content of the screen projection on the external display equipment is subordinate to the display content of the main screen, and the screen projection display content changes correspondingly when the display content of the main screen changes.
The chinese patent application publication No. 105100907a discloses a selective screen projection technology, which filters private information displayed in a main screen of a mobile phone by setting a sensitive information filtering means, so that the private information is not displayed on an external display device, and user experience is improved to a certain extent. However, the technology is basically a mirror image screen projection technology, only the content of the main screen display is partially filtered, and the screen projection display interface is also subordinate to the main screen display content.
In summary, the existing smart phone screen projection technology is a complete mirror image or partial mirror image technology, the screen projection display content is subordinate to the main screen display content, the screen projection display content cannot be independent of the main screen display content, and there are defects in use and user embodiment, and there is a need for improvement.
Disclosure of Invention
In view of the defects existing in the prior art, an object of the present invention is to provide an extended screen-projecting method and a screen-projecting system for a mobile terminal, so that the content of the screen-projecting display interface is not limited by the content of the main screen display, and the user experience is improved.
In order to achieve the above object, according to an extended screen projecting method of a mobile terminal provided by the present invention, the mobile terminal has a main screen, and the main screen is used for displaying a main screen window interface, the screen projecting method includes the following steps: creating a screen projecting window interface, wherein the screen projecting window interface is an operating system interface comprising a desktop, a taskbar and an application starter, and is independent of the main screen window interface; and a projection display step, wherein the mobile terminal projects the screen projection window interface to external display equipment.
The invention can be further realized by adopting the following technical measures.
In the extended screen projection method of the mobile terminal, the step of projecting the screen window interface includes: creating a screen projection window container, and creating the screen projection window container independent of the main screen window interface when the mobile terminal receives screen projection trigger information; and adding a screen projection window list, and adding a desktop, a taskbar and an application starter to the screen projection window container.
In the extended screen projection method for the mobile terminal, the adding of the screen projection window list further includes adding a status bar and a notification bar of the mobile terminal to the screen projection window container.
In the extended screen projection method for the mobile terminal, the taskbar monitors the activity of the mobile terminal, and a new activity icon is displayed on the taskbar when the new activity corresponds to a screen projection window interface; removing the corresponding activity icon of the taskbar when the activity is destroyed; switching a focus icon on the taskbar when focus activity changes.
In the extended screen projection method of the mobile terminal, the application launcher is provided with a plurality of launch icons of application software.
After the step of projection display, when the screen projection window interface is changed, the method triggers the rearrangement, drawing and scheduling of the screen projection window, and projects the screen projection window to the external display device.
In order to achieve the above object, the present invention further provides an extended screen projecting system of a mobile terminal, where the mobile terminal has a main screen, and the main screen is used for displaying a main screen window interface, and the screen projecting system includes: the screen-projecting window interface creating unit is used for creating a screen-projecting window interface independent of the main screen window interface, and the screen-projecting window interface is an operating system interface comprising a desktop, a taskbar and an application starter; and the projection unit is used for projecting the screen projection window interface to external display equipment.
The invention can be further realized by adopting the following technical measures.
In the extended screen projection system of the mobile terminal, the screen projection window interface creating unit includes: the screen projection window container subunit is used for creating a screen projection window container independent of the main screen window interface when the mobile terminal receives screen projection trigger information; and the screen projection window list subunit is used for adding a desktop, a taskbar and an application starter to the screen projection window container.
In the extended screen projection system of the mobile terminal, the screen projection window list subunit is configured to add a desktop, a task bar, an application launcher, a status bar, and a notification bar to the screen projection window container.
The expanded screen projecting system of the mobile terminal further comprises a screen projecting window interface re-triggering unit, and when the screen projecting window interface is changed, the re-arrangement, drawing and scheduling of the screen projecting window are triggered and displayed on the external display device.
Compared with the prior art, the invention has obvious advantages and beneficial effects. By the technical scheme, the expanded screen projecting method and the screen projecting system of the mobile terminal at least have the following advantages:
according to the mobile terminal expansion screen projection method and the screen projection system, the screen projection interface projected to the external display device and the main screen window interface are independent from each other, the limitation of the main screen window interface is avoided, and the screen projection user experience is remarkably improved.
Secondly, according to the mobile terminal expansion screen projection method and the screen projection system, the screen projection interface projected to the external display device and the main screen window interface are independent, so that the mobile terminal is not limited by screen projection, the original functions of the mobile terminal, such as conversation, WeChat and the like, can be used under the condition of not influencing projection, the user experience is improved, and the utilization rate of the mobile terminal is improved.
According to the mobile terminal expansion screen projection method and the screen projection system, the operation system interface is established and projected to the external display equipment, and the screen projection window interface is operated through the mouse to carry out interaction, so that the mobile terminal has most of experience and application scenes of a traditional computer, and a brand-new computer substitution scheme is provided.
According to the mobile terminal expansion screen projection method and the screen projection system, the content of the screen projection display interface is not limited by the content of the main screen display, the independent operation effect is achieved, and the user experience is greatly improved.
Drawings
Fig. 1 is a schematic flow chart of a first embodiment of an extended screen projection method for a smartphone according to the present invention.
Fig. 2 is a screen projection display diagram of the first embodiment.
Fig. 3 is a block diagram illustrating an extended screen projection method for a smart phone according to another embodiment of the present invention.
Fig. 4 is a block diagram of an extended screen projection system of a smart phone according to an embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined object, the following detailed description of the expanded screen projecting method and screen projecting system of the mobile terminal according to the present invention, and the specific implementation, steps, structures, features and effects thereof will be provided in conjunction with the accompanying drawings and the preferred embodiments.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic flow diagram of an extended screen projection method of a smart phone according to an embodiment of the present invention, and fig. 2 is a schematic screen projection display diagram of the embodiment.
In the embodiment, an Android (Android) system smart phone 10 is taken as an example for explanation, but the operating system of the smart phone 10 is not limited, the smart phone 10 has a main screen 11, and the main screen 11 is used for displaying a main screen window interface 12 built in the smart phone 10, for example, displaying a notification bar, a status bar, an application icon or an interface of a focus application software inherent to the smart phone 10. The extended screen projection method of the smart phone 10 in the embodiment includes:
step S1: trigger screen projection
The screen-shot display is triggered when the smartphone 10 is connected to the external display device 20. The connection mode of the smart phone 10 and the external display device 20 may be a known wired or wireless connection, or other new connection modes may appear in the future, and the present invention is not limited by the connection mode. The external display device 20 is, for example, a smart television, a display, a vehicle-mounted display screen, or a projector.
Step S2: creating a screen-projected window interface
After the screen projection is triggered, the smartphone 10 creates a screen projection window interface 21 independent of the main screen window interface at the same level of the built-in main screen window interface. The window scheduling management of the two interfaces is independent from each other and is not influenced by each other.
The screen-up window interface 21 is an operating system interface including a desktop 22, a taskbar 23, and an application launcher 24. The desktop 22 may contain an application shortcut icon 221. The application launcher 24 is listed with a launch icon of application software installed in the smartphone 10. The taskbar 23 displays an icon of a launched application or activity or an icon showing a focus activity.
Step S3: projection screen window interface
After the screen projection window interface is created, the mobile terminal 10 projects the screen projection window interface to the external display device 20.
Although the embodiment has been described by taking a smart phone as an example, the invention is not limited to a mobile phone, and can also be used for a tablet computer instead of a plurality of mobile terminals.
Fig. 3 is a schematic block diagram illustrating an extended screen projection method of a smart phone according to another embodiment of the present invention.
For ease of understanding, the native home screen display inherent to the smartphone 10 will first be described, and this section is not an inventive part of the present invention. The smartphone 10 operating system has a display management unit 31, an activity management unit 32, and a window management unit 33.
The Display management unit 31 monitors access, removal and change of an external Display device, and the connection types of the Display device allowed by the smart phone include a built-in main screen connection type, an HDMI connection type and a WIFI Display protocol connection type.
The Activity management unit 32 monitors creation, destruction, and focus change of an Activity, establishes a local task stack according to the Activity of the smartphone, and adds a local Activity list to the stack. E.g. a call, a short message, an application start of a smartphone, etc. corresponds to a local activity list.
The window management unit 33 establishes a local home screen window list according to the local task stack activity list, and displays the local home screen window list on the local home screen. Such as status bars, notification bars, application icons displayed in the smartphone home screen.
The steps of the extended screen projection method of the present invention are further described below from the operating system level of the smart phone 10, but are not limited to the functional unit configuration of the operating system of the smart phone.
The screen-cast display is triggered when the display management unit 31 of the smartphone 10 monitors the access of the external display device 20.
When a new external display device 20 is accessed, the Activity management unit 32 creates a screen-casting task stack corresponding to the display device 20 for managing and scheduling Activity (Activity); activities such as a desktop, a taskbar, an application launcher and the like can be added to be listed in a screen-casting task stack. The screen-casting task stack is an extension stack, is independent from the local task stack and does not influence each other.
Meanwhile, the window management unit 33 creates a window container suitable for the external display device, initializes display information, and triggers a one-time screen-projection window layout, and the window management unit 33 adds an external screen-projection window list corresponding to the screen-projection task stack active list to the window container. The external screen projection window list and the local main screen window list are independent from each other and do not influence each other.
When the screen projection window layout is triggered once, the smartphone 10 projects the screen projection window list to the external display device. The screen-casting task stack is an extension stack, and is independent from a local task stack and does not influence each other. The applications installed on the smart phone can be seen in an application launcher of the screen-casting task stack. The application can be opened on the external screen projection device by clicking the application icon in the application icon through a mouse, and simultaneously, the icon of the opened application appears on the taskbar, and the operations are synchronously displayed in the external display device.
According to the extended screen projection method, a unique identifier (unique ID) is introduced into a local task stack (or called a main screen task stack) and all Activity stacks in the screen projection task stack, and the Activity stacks can be judged to be displayed on a main screen or external display equipment of a smart phone based on the unique identifier.
The application software displayed on the external display device in the extended screen projection method can be started by the main screen of the smart phone or can be started by a screen projection application starter in a screen projection window list.
The steps of starting the application software by the main screen of the smart phone and displaying the application software on the external display device are as follows:
when the main screen of the smart phone starts application software, an identifier for starting the external display equipment is added or a unique identifier is added;
when an Activity management unit of the smart phone receives an application starting request sent by an application, judging whether the application has an identifier for starting to an external display device or a unique identifier according to the application, if so, adding the identifier to a screen-casting task stack, and then triggering the scheduling of an Activity stack;
the smart phone displays the started application in the external display device according to the scheduling of an Activity stack.
The extended screen projection method can enable the smart phone to achieve functions and operation experience similar to those of a traditional computer, meanwhile, the smart phone can continue to answer calls or refresh WeChat, and the external screen projection display effect is not affected.
For example, when a PPT is presented or a video is played on the external display device, the smart phone can use the WeChat normally to make a call.
For example, the extension mode is connected to an external display device, and document editing, mail sending, and other office scenes displayed on the external display device are performed through the operation mode of a keyboard and a mouse.
Fig. 4 is a schematic block diagram illustrating an extended screen projection system of a smart phone according to an embodiment of the present invention.
The smartphone extended screen projection system 50 of the present embodiment includes: a projection window interface creation unit 51 and a projection unit 52.
The screen-projecting window interface creating unit 51 creates a screen-projecting window interface independent of the main screen window interface, where the screen-projecting window interface is an operating system interface including a desktop, a taskbar, and an application launcher.
The screen-projecting window interface creating unit 50 includes: a screen-projecting window container subunit 511 and a screen-projecting window list subunit 512. When the smart phone 10 receives the screen-projecting trigger information, the screen-projecting window container subunit 511 creates a screen-projecting window container independent of the main screen window interface, and the screen-projecting window list subunit 512 adds a desktop, a taskbar and an application starter to the screen-projecting window container.
The screen-casting window container subunit 511 creates a screen-casting window container independent of the main screen window interface, for example, the window management unit 33 shown in fig. 2 creates a window container suitable for an external display device.
The screen-casting window list subunit 512 adds the desktop, the taskbar, and the application launcher to the screen-casting window container, for example, the Activity management unit 32 in fig. 2 creates a screen-casting task stack corresponding to the display device 20, and adds activities such as the desktop, the taskbar, and the application launcher to the screen-casting task stack.
Although features and elements are described above in terms of particular steps and elements, one of ordinary skill in the art will appreciate that each feature or element can be used alone or in combination with other features and elements. Furthermore, the methods described herein may be implemented in a computer program, software, or firmware incorporated into a computer-readable medium for execution by a computer or processor. Examples of computer readable media include electronic signals (transmitted over a wired or wireless connection) and computer readable storage media. Examples of the computer readable storage medium include, but are not limited to, Read Only Memory (ROM), Random Access Memory (RAM), registers, buffer memory, semiconductor memory devices, magnetic media (e.g., internal hard disks and removable disks), magneto-optical media, and optical media (e.g., CD-ROM disks and Digital Versatile Disks (DVDs)).
Although the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited thereto. Simple equivalent changes and modifications made according to the claims and the description of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. An extended screen projection method of a mobile terminal, wherein the mobile terminal is provided with a main screen, and the main screen is used for displaying a window interface of the main screen, and the screen projection method is characterized by comprising the following steps:
establishing a screen projecting window interface, wherein the screen projecting window interface is an operating system interface comprising a desktop, a taskbar and an application starter and is independent of the main screen window interface; and
projecting the screen projecting window interface to external display equipment by the mobile terminal;
the activity of the main screen window interface is located in a local task stack, the activity of the screen projection window interface is located in a screen projection task stack, and the local task stack and the screen projection task stack are independent of each other.
2. The extended screen projection method of claim 1, wherein the step of projecting the screen window interface comprises:
creating a screen projection window container, and creating the screen projection window container independent of the main screen window interface when the mobile terminal receives screen projection trigger information; and
and adding a screen projection window list, and adding a desktop, a taskbar and an application starter to the screen projection window container.
3. The extended screen projection method of claim 2, wherein the adding of the list of screen projection windows further comprises adding a status bar and a notification bar of the mobile terminal to the screen projection window container.
4. The extended screen-projection method of claim 2, wherein the taskbar listens to the activities of the mobile terminal and displays a new activity icon on the taskbar when the new activity corresponds to a screen-projection window interface; removing the corresponding activity icon of the taskbar when the activity is destroyed; switching a focus icon on the taskbar when focus activity changes.
5. An extended screen projection method of a mobile terminal as claimed in claim 2, wherein the application launcher is listed with launch icons of a plurality of application software.
6. The extended screen projection method of any one of claims 1 to 5, wherein after the step of projecting the display, when the screen projection window interface changes, the rearrangement, drawing and scheduling of the screen projection window are triggered and projected to the external display device.
7. An expanded screen projection system of a mobile terminal, the mobile terminal is provided with a main screen, the main screen is used for displaying a window interface of the main screen, and the screen projection system is characterized by comprising:
the screen-projecting window interface creating unit is used for creating a screen-projecting window interface independent of the main screen window interface, and the screen-projecting window interface is an operating system interface comprising a desktop, a taskbar and an application starter; and
the projection unit is used for projecting the screen projection window interface to external display equipment;
the activity of the main screen window interface is located in a local task stack, the activity of the screen projection window interface is located in a screen projection task stack, and the local task stack and the screen projection task stack are independent of each other.
8. The extended screen projection system of claim 7, wherein the screen projection window interface creating unit comprises:
the screen projection window container subunit is used for creating a screen projection window container independent of the main screen window interface when the mobile terminal receives screen projection trigger information; and
and the screen projection window list subunit is used for adding a desktop, a taskbar and an application starter to the screen projection window container.
9. The extended screen projection system of claim 8, wherein the screen projection window list subunit is configured to add a desktop, a task bar, an application launcher, a status bar, and a notification bar to the screen projection window container.
10. The extended screen projection system of any one of claims 7 to 9, further comprising a screen projection window interface re-triggering unit, which triggers the re-arrangement, drawing and scheduling of the screen projection window and projects the screen projection window to the external display device when the screen projection window interface is changed.
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| CN201710522898.2A CN107493375B (en) | 2017-06-30 | 2017-06-30 | Mobile terminal expansion screen projection method and screen projection system |
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| CN108769095A (en) * | 2018-03-31 | 2018-11-06 | 惠州市德赛西威汽车电子股份有限公司 | The display changeover method and vehicle mounted guidance of vehicle mounted guidance two-shipper interconnection |
| CN108628566A (en) * | 2018-05-08 | 2018-10-09 | 潘爱松 | A method of expanding screen display notice |
| CN108900692B (en) * | 2018-05-25 | 2021-03-30 | Oppo广东移动通信有限公司 | Screen display method and device, electronic equipment and computer readable storage medium |
| CN108733337B (en) * | 2018-05-25 | 2021-06-08 | Oppo广东移动通信有限公司 | Screen display method and device, electronic equipment and computer readable storage medium |
| CN109246259A (en) * | 2018-07-27 | 2019-01-18 | 努比亚技术有限公司 | A kind of terminal interaction method, terminal and computer readable storage medium |
| CN109040394B (en) * | 2018-09-28 | 2020-11-17 | 歌尔科技有限公司 | Screen transmission method, vehicle-mounted support and storage medium |
| CN109660665A (en) * | 2018-12-21 | 2019-04-19 | Oppo广东移动通信有限公司 | A kind of screen control method, screen control device and terminal device |
| CN112019893B (en) * | 2019-05-30 | 2023-09-12 | 北京小米移动软件有限公司 | Screen projection method of terminal and screen projection device of terminal |
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| US11349976B2 (en) | 2019-09-12 | 2022-05-31 | Lenovo (Beijing) Co., Ltd. | Information processing method, file transmission method, electronic apparatus, and computing apparatus |
| CN112738011B (en) * | 2019-10-28 | 2024-04-05 | 阿里巴巴集团控股有限公司 | Screen projection implementation method, device and system |
| CN111324327B (en) * | 2020-02-20 | 2022-03-25 | 华为技术有限公司 | Screen projection method and terminal equipment |
| CN111447323B (en) * | 2020-03-20 | 2021-07-09 | 华为技术有限公司 | Application display continuing method and device |
| CN111522519A (en) * | 2020-04-03 | 2020-08-11 | 青岛进化者小胖机器人科技有限公司 | Screen projection method, device, equipment, system and storage medium |
| CN111666011B (en) * | 2020-06-05 | 2023-07-07 | 阿波罗智联(北京)科技有限公司 | Page focus display method and device |
| CN112019896B (en) * | 2020-08-27 | 2022-03-01 | 北京字节跳动网络技术有限公司 | Screen projection method and device, electronic equipment and computer readable medium |
| CN114442970A (en) * | 2020-10-31 | 2022-05-06 | 华为技术有限公司 | Screen projection method of application window and electronic equipment |
| CN112328344B (en) * | 2020-11-02 | 2022-11-22 | 联想(北京)有限公司 | Screen projection processing method and first equipment |
| CN114518854A (en) * | 2020-11-20 | 2022-05-20 | 华为技术有限公司 | Screen projection method and equipment |
| CN115145515A (en) * | 2021-03-31 | 2022-10-04 | 华为技术有限公司 | Screen projection method and related device |
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| CN115373778A (en) * | 2021-05-19 | 2022-11-22 | 华为技术有限公司 | Screen projection method and related device |
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