743 results about "HTML5" patented technology

The invention discloses a cross-platform mobile data management system and method. The system comprises a client, a server side and a data side, wherein the client is used for providing a mobile operating entry, namely, an interface intersection window, for the mobile data management system, and the form of the client is based on HTML5 local mobile application; the server side is used for providing data service for the client of the mobile data management system, and the form of the data service mainly comprises Web service and FTP (file transfer protocol) service; and the data side is used for providing a data source for the mobile data management system, and the form of the data source comprises a database resource, a sensor Restful resource, a Web service resource and a file resource. With the adoption of the cross-platform mobile data management system and method, a system can use various smart mobile terminal platforms in a compatible manner, so that the effect that the business logic of a mobile application is compiled once and can operate on the various smart mobile terminal platforms is realized.

The invention discloses a three-dimensional point cloud visualization method and device based on a network. The method comprises the steps that point cloud data in different formats from a scanning device is acquired and processed, and the processed point cloud data is stored in a database; network data exchanging is carried out on the point cloud data in the database based on the Ajax technology and the Webservice technology, and the exchanged point cloud data is transmitted to a browser; by combining the WebGL technology and the HTML5 technology, a three-dimensional scene is established for the point cloud data transmitted to the browser, and visualization is carried out. By means of the method and device, smooth interaction three-dimensional visualization experience in the browser can be provided for online users, and database integration is carried out for the multiple point cloud data formats. In addition, it is not required to download any plugin when network visualization is carried out, and the three-dimensional displaying speed is guaranteed.

The invention discloses a multi terminal interconnection method, device and system, and relates to the technical field of internet. The problems of poor terminal compatibility and insufficient application scalability of a multi terminal interconnection scheme of an Apple's operating system are solved. The method provided by the invention comprises the steps that after a user logs in a social application account through a main control terminal, a social application client generates an operation interface according to a pre-loaded HTML5 page; an operation instruction triggered by the user in the operation interface is received; native function parameters corresponding to the control instruction are retrieved through a Javascript interface; and through the HTML5 page, the native function parameters corresponding to the operation instruction are sent to a client server, so that the client server sends the control instruction to a controlled terminal according to the native function parameters. The multi terminal interconnection method, device and system, which are provided by the invention, are mainly applied to the process of a control operation carried out by the main control terminal on the controlled terminal.

The invention discloses a WebView webpage loading performance and user behavior-based stream data collection method. The method comprises the following steps of injecting a JS code for obtaining data, mainly a link of a JS file, into html5, jsp and php webpage codes of a current loaded link after a WebView loads a webpage selected by a user, wherein the pointed JS file contains a pre-written detailed code for obtaining performance data; and then performing interaction through a native code and the JS code, transmitting the data to an APP layer for subsequent arrangement, transmitting the data to a Server end, and finally obtaining the performance data loaded by the webpage. The method is used for monitoring loading time, executive time, executive frequency, JS errors, Ajax performance data and the like of the html5 page, supports collection of user click stream data, and can be applied to multiple platforms of IOS, Android and the like.

The invention discloses a virtual file system based on cloud computing. The virtual file system based on cloud computing comprises a serving terminal and a client terminal, wherein the serving terminal is composed of a file virtualizer, a file processing center, a file system interface, a file transmitter, a user interface, a database, a thumbnail managing module, a file format converting module and a rubbish cleaning device and the client terminal is composed of a receiving and transmitting module, a terminal simulation virtual file system and a file interaction module. The serving terminal interacts with one or more client terminals, so that the functions of carrying out asynchronous operation and asynchronous reading and writing on cloud terminal server files are provided for the system and applications based on the web. An effective solution is provided for the application of HTML5 to support a file system and an API is opened for the application of the third party. The auxiliary technology supporting file format conversion provides a substitute scheme when files which are not compatible with the HTML5 are browsed or edited. A file storage scheme of a cloud terminal is adopted so that a user can manage, browse and edit files without domain limitation, terminal limitation and platform limitation under network connection.

The invention discloses a non plugin live video method of a browser. The method comprises the following steps: S01: a server obtains a video encoding stream; S02: the server transmits the video encoding stream to a Web browser by using Websocket, and the Web browser receives the video encoding stream by using the Websocket; S03: the Web browser decodes the video encoding stream by using JavaScript; and S04: the browser performs real-time video image display by using canvas+WebGL, namely, video playing. By adoption of the non plugin live video method disclosed by the invention, no plugin needs to be installed in the Web browser, live video can be realized in the browser by using the html5 standard, the delay is short, and the secondary development of the live video is performed conveniently.

The invention provides a cloud-computing-based HTML5 application packaging, installation, unloading and operation method and system. The system comprises a server and a plurality of clients, wherein interaction can be conducted between the clients and the server. Each client comprises a transceiver, a procedure file uploading module, an application configuration module, an application calling module, a procedure file loading module, a control creation module, an API interface module and an API and operation space set module. The server comprises a communication interface, a data center, a client code storage module, an application package analysis module, an application package creation module and a user identification module. The system has the functions of creating application packages, installing applications to a remote server, uploading the applications on the remote server, loading and applying the applications on the clients and closing the applications running on the clients. By means of the cloud-computing-based HTML5 application packaging, installation, unloading and operation method and system, users can install the applications to the remote server, the applications can be loaded to the local server to be run when in use, the local space is saved, and the applications are available at any place after being installed once.

The invention provides a game engine which comprises a game frame module, a second engine module and a first engine module which is located between the game frame module and the second engine module. The game frame module is used for storing game program scripts; the first engine module is used for loading, analyzing and executing the game program scripts in the game frame module, and a definition object and an API provided by the second engine module are called in the process of executing; the second engine module is used for providing an expanded definition object and an expanded API for the first engine module, and a HTML5 operating environment is provided for the game program scripts in the game frame module. The second engine module is interacted with a browser of a mobile terminal through an NPAPI. According to the scheme, the fundamental characteristics of existing HTML5 can be supported, platform difference is shielded, a game developer can develop games on a cell phone platform conveniently, and game performance and experience are improved.

The invention discloses a real-time video plugin-free previewing method based on a RTSP and a real-time video plugin-free previewing system based on the RTSP, the method comprises the following steps:acquiring a real-time code stream from a front-end device; transmitting the real time code stream of the front-end device to a streaming media server through the RTSP; receiving and decoding the real-time code stream in a H.264 format into an original code stream by the streaming media server; by the streaming media server, coding the original code stream into the code stream in a VP8 format, andforwarding the code stream in the VP8 format to each client side browser; and by the client side browser, decoding the code stream in the VP8 format through a Web API based on a WebRTC technology, and directly playing the decoded code stream through HTML5. The system comprises the front-end device, the streaming media server and the client side browsers. The method and the system provided by theinvention have no need of installing plugins or extensions, support crossing browsers, also have no need of performing related setting operations of the browsers, and can preview no-delay or low-delaymonitoring videos in real time.

The invention provides an SNMP (Simple Network Management Protocol) and HTML5 (Hypertext Markup Language 5)-based method for realizing web network topology. The method comprises the steps of: S1, selecting user-defined topology or self-discovered topology; S2, when selecting the self-discovered topology, detecting all resources by utilizing the SNMP, and writing the detected self-discovered network topology resources into a database; S3, according to the self-discovered network topology resources, analyzing to obtain a self-discovered network topological relationship; S4, according to the attributes of the topology resources, displaying the topology resources in a network topology editing page canvas, calculating coordinates of each topology resource in a network topology editing page, and drawing topology management connecting lines by utilizing the drawing function of the canvas of the HTML5 according to the self-discovered network topological relationship; and S5, conducting network usability detection to the topology resources according to the IP (Internet Protocol) of the topology resources, and writing the detected problems into an alarm subsystem for alarming and prompting. Through the method, the network topology presentation of the B/S (Browser/Server) structure can be done through the HTML5, and a user can select user-defined topology or self-discovered topology.

A system for real-time interactive presentation, the system communicatively coupled to a network for access by a plurality of user devices comprising a database to store information relating to a plurality of presentations, at least one processor executing instructions stored in non-transitory memory that cause the processor to: receive a presentation in a first format from a presenter user device, convert the presentation to an HTML5 format, embed at least one HMTL5 interactive object into the converted presentation, store the converted presentation including the at least one HTML5 interactive embedded object in the database, upon a request received from a first user device for the converted presentation, transmit the converted presentation including the at least one HTML5 interactive embedded object to the first user device, wherein the presentation including the at least one HTML5 interactive embedded object is rendered for viewing on a display of the first user device, and receive and store first user input data from the first user device in the database when a first user has interacted with the at least one HTML5 interactive embedded object.

The invention discloses a method and system for quickly converting an enterprise information system into a mobile application. The method includes the steps that a client application sends a request to server Java middleware, wherein the client application is a combination of a html5 file and a native container; the Java middleware conducts kernel processing after receiving the request, a database or an interface or a page of the corresponding enterprise information system are requested through a unified data bus; the unified data bus collects data from the enterprise information system through database drive or interface drive or page drive, and the data are converted into data of a JSON format and sent to the client application, wherein keys in the data of the JSON format are custom tags; the client application receives and analyzes the data of the JSON format, and a user interface is generated, wherein the custom tags are adopted in html5 dynamic data in the user interface. By the adoption of the scheme, the development difficulty can be lowered, the cross-platform development time and the cross-platform development cost are saved, the enterprise information system can be quickly converted into the mobile application, and developers do not need to provide too many or permanent technical supports.

The invention relates to a video anchor method and system based on an HTML5 browser, a live video method and system, and a terminal, and belongs to the technical field of the Internet. In the invention, the browser obtains video and audio data of an anchor terminal and transmits the video and audio data to a gateway server of a live broadcast website based on the WebRTC protocol; the gateway server packages the video and audio data into streaming media data, and then transmits the video and audio data to a content distribution network based on the RTMP protocol; and then an audience terminal obtains the streaming media data from the content distribution network and plays the streaming media data. Therefore, no live broadcast software needs to be installed in the anchor terminal, and the audience can conveniently view the video and audio data by using the client software or the browser just by using the live broadcast method of the browser. In this way, a more convenient and quick network live broadcast platform is built, which is easy for users to use and enhances the experience of live broadcast. The application mode of the video anchor method and system is simple, the applicationcost is low, and the application range is also very wide.

The invention discloses a cross-platform question bank resource structuring method and belongs to the technical field of question bank resource sharing technologies. The cross-platform question bank resource structuring method includes the steps that 1, test questions are typed in and edited; 2, question stems, options and analysis information of the test questions are packaged through an HTML5 technology; 3, the resources packaged in the HTML5 mode are stored in a database, and the relation between tables is represented through relational data; 4, a test question display terminal is judged; 5, if the display terminal is a PC terminal, a B/S structure is adopted, the relational database is read, and the test question structures and test question content are restored; 6, if the display terminal is a mobile phone or tablet computer intelligent terminal, the test question structures and test question content are written into an xml file and packed into a package to be used by application programs of the terminal. The cross-platform display and use can be achieved for different terminals and users, various test question resources are well provided for various platforms, and teaching demands are met.

The invention provides a popup screen rendering method and apparatus. The method comprises the steps of S1, obtaining original data of a popup screen; S2, generating a corresponding popup object according to a corresponding preset popup screen style by each piece of the original data of the popup screen; and S3, when an idle trajectory exists in a rendering canvas, inserting the popup screen object into the idle trajectory, and rendering all popup screen objects in all trajectories. By utilizing a Canvas function of HTML5, the popup screen no longer depends on Flash, so that the popup screen drawing efficiency is improved, popup screen animations can be displayed on a browser more fluently, and the user experience is improved.

The invention relates to an SCORM courseware generating method and device. The SCORM courseware generating method comprises the steps that a PPT file uploaded by a courseware maker is received and is converted into a material of a HTML5 format so as to ensure the material obtained through conversion consistent to the PPT file in character and animation; the operating information of the courseware maker in the lecturing process is recorded, and the operating information and the material of the HTML5 format are synchronized on the same time line, wherein the operating information includes at least one of page turning, animation, clicking, mouse tracks, voice, exercise distribution, sheet scattering and questionnaire survey. At least one page of information is selected from the synchronized material of the HTML5 format, wherein each page of information is bound with the respective operating formation; according to SCORM standard, the selected material and its operating information are encapsulated as SCORM courseware. By adopting the SCORM courseware generating method and device, the lecturing process of a PPT lecturer can be generated, and the standard SCORM courseware can be generated.

The invention provides an HTML5 page debugging method and device in an APP. The method comprises firstly, simulating an APP operation environment on a local computer and storing an HTML5 page, secondly, loading the HTML5 page in the simulated APP operation environment and displaying the loaded HTML5 page, and, finally, debugging the HTML5 page according the displayed HTML5 page. An effect of the HTML5 page during mobile phone operation can be presented on the local computer, a browser can be adopted in the local computer to debug the HTML5 page, a common debugging method can be implemented, and debugging efficiency of the HTML5 page is improved.

In various aspects, a framework is provided for building rich, responsive, and mobile-enabled HTML 5 web applications. In one embodiment, the framework is based on a thin server architecture (TSA) that uses REST, SSE, and WebSocket to communicate with the server side. This framework, sometimes referred to herein as ‘Avatar’ is a modular, end-to-end web development framework for building enterprise mobile and desktop applications using JavaScript, HTML5 and a thin-server architecture.