35 results about "Android device" patented technology

This invention discloses a grasping control method for a UR5 robot in a V-REP simulation environment, comprising the following steps: S1, collecting various data from the end-effector camera module of the robotic arm in the simulation environment; S2, compressing the images and transmitting them to an Android device for display, creating joystick and slider controls; S3, collecting operation commands on the Android device using the joystick and slider controls, encoding the collected operation command data and transmitting it to a PC, where the PC receives the control commands and decodes them into six-degree-of-freedom motion information; S4, establishing a DH model of the robotic arm, and inversely solving the velocities of each joint based on the motion commands; S5, constraining the joint velocities obtained in step S4 by configuring the range of angles and angular accelerations, thereby obtaining a more realistic simulation effect; S6, encoding the position information into a format required by the simulation environment and sending it to the simulation environment for control.

This application discloses an automated testing method and system for the storage performance of Android devices. The Android device has a storage performance testing application installed and establishes a communication connection with a test terminal via an Android debugging bridge. In this method, after launching the storage performance testing application on the Android device, a corresponding automated operation route is selected based on a preset test scenario to perform test operations on the storage performance testing application. Subsequently, the test result data output by the storage performance testing application is collected, and then the test result data is saved to the test terminal. This application's embodiment, by deploying the test application locally on the Android device and establishing communication via an Android debugging bridge, can eliminate dependence on servers, simplify the porting and debugging process across different devices or environments, and achieve standardized automated storage testing based on preset test scenarios, completing the collection and retention of test result data.

The application discloses a low-delay media processing method under an Android system with a domestic ARM chip. By constructing a direct data path of "Java application layer->JNI bridging layer->native C / C++ layer->kernel layer hardware driver", the high-delay system services such as Android MediaServer and / or AudioFlinger are bypassed. Specifically, the method is realized through three steps: integrating a bottom media library and writing a packaging module, establishing a JNI bridging layer to expose native layer functions, and creating an adapter class compatible with the Android standard MediaCodec API for application calling. The scheme reduces the streaming media output delay to below 20 milliseconds, significantly reduces CPU load and memory bandwidth occupation, and adapts to the upper application without substantial modification, breaks the real-time performance bottleneck of the Android system, expands the professional application scenarios of the domestic ARM chip Android device, and improves the system running efficiency and market competitiveness.

The invention provides a panoramic sound decoder, a panoramic sound decoder system and a panoramic sound audio data transmission method, and the panoramic sound decoder comprises a decoder body and a USB cable. The decoder body is provided with a first USB interface; the USB cable is a multi-channel cable, one end of the USB cable is connected to the first USB interface, and the other end of the USB cable is used for being connected with a second USB interface of the Android device. The decoder body is configured to receive the panoramic sound format audio data from the Android device through the USB cable and decode the panoramic sound format audio data to obtain a decoded audio signal, so that the Android device only provided with a USB interface, especially a vehicle-mounted Android device, can transmit the panoramic sound format audio data to an external decoder in a lossless manner; therefore, the decoding effect is achieved.

This application relates to the field of computer peripheral communication and automated testing technology, and discloses a method for plug-and-play verification of Android device serial numbers on a Windows platform. The method includes the following steps: calling kernel interfaces to construct a device information set, configuring filtering parameters to ignore functional attributes, thereby including device nodes without installed drivers; performing generalized matching on device instance paths based on a manufacturer identifier whitelist to identify the target device; using a multi-level cleaning rule engine to remove operating system-added interface masks and topology suffixes from the path to accurately restore the device serial number; and introducing a truncated binary exponential backoff algorithm to eliminate timing races between physical connection and logical readiness through dynamic delay retries. This invention effectively solves the identification problem of Android devices in multiple modes, achieving accurate SN acquisition and fault-tolerant control without driver dependency.

This invention discloses a method, apparatus, and computer device for dynamically displaying a circular progress bar on an Android device, relating to the field of Android development and application technology. The method involves initializing the inner and outer circle styles of the circular progress bar, first drawing the inner and outer circle views of the progress bar, and then, when the user sets or updates the actual value of the progress bar, invoking an Android-side attribute animation method. Within a preset animation duration, the progress bar gradually returns to various interval values ​​within the animation execution parameter value range, starting from the minimum interval value and increasing upwards. After each interval value is returned, the outer circle's rotation endpoint angle is updated and calculated based on that interval value. Then, based on the updated calculation result of the outer circle's rotation endpoint angle, the outer circle view is redrawn using an Android-side continuous drawing method, resulting in a dynamically displayed circular progress bar on the Android device. This allows for dynamic display of progress bar text prompts based on the current progress, meeting the needs of dynamic visualization.

The invention relates to a weak network delay confrontation method and system applied to an Android equipment environment, and the method comprises the steps: monitoring a network environment of an Android client when the Android client carries out the audio and video transmission; when the network environment is lower than 5G, acquiring a data packet arrival timestamp of the Android client in a current period, and constructing a delay time sequence; inputting the delay time sequence into a pre-trained delay prediction model to obtain a delay prediction result of the next period; adjusting an audio and video playing buffer area of the Android client according to the delay prediction result of the next period; determining the packet loss rate of the Android client in the current period; if the packet loss rate of the Android client in the current period is greater than a first packet loss rate threshold value, or the delay prediction result is greater than a first delay threshold value, reducing the code rate of the next period by one stage; and if the packet loss rate of the Android client in the current period is smaller than a second packet loss rate threshold value and the delay prediction result is smaller than a second delay threshold value, the code rate of the next period is increased by one stage.

This invention relates to a method and system for implementing dynamic access control in an Android device. The method includes: a VPN client and a dynamic access control client negotiating and determining a data exchange port and interest stream; the VPN client reading data packets from the TUN network interface card (NIC) for the first time, and forwarding the data packets to the dynamic access control client according to the negotiated data exchange port and interest stream; the dynamic access control client performing a first encapsulation, and the operating system forwarding the encapsulated data packets to the TUN NIC; the VPN client reading data packets from the TUN NIC for the second time, performing a second encapsulation, and the operating system forwarding the encapsulated data packets to the physical NIC, and then sending them to the VPN gateway; the VPN gateway forwarding the first decapsulated data packets to the dynamic access control gateway; and the dynamic access control gateway forwarding the second decapsulated data packets to the application server. This invention enables dynamic access control even when the Android device's virtual NIC is already occupied by a VPN client.

The application discloses an SCPI communication implementation method and an Android device, when the Android device receives an SCPI message, fields in the message are identified first, the identified fields are put into a list and are marked with types, each field is parsed according to the field type, the parsed fields and data are added to a path and a parameter list respectively, when a message is parsed, a method corresponding to the path is queried by calling a path and method Handle hash table, then a parameter address is obtained by calling a path and parameter hash table, data under the parameter address is acquired and a corresponding method is executed, so that the Android device can execute SCPI instructions; the application can quickly and orderly make the Android device run SCPI instructions, so that excellent man-machine interaction experience of the Android device can be obtained, and SCPI communication between instrument and meter devices can be realized.

We provide the system. [Solution] A terminal device that registers schedule information in response to user instructions, A server means that monitors registered schedules and sends instructions to an Android at a specified time, An android means that operates based on received instructions and delivers the specified item to the user, A server mechanism that reports the completion of the Android operation to the server and prepares the next schedule, A system that includes this.

Embodiments of the present application disclose an Android device remote connection debugging method, device and medium. A first connection is established based on a debugging device and a transfer server; a second connection is established based on a to-be-debugged Android device and the transfer server; the first connection is converted by the transfer server, and the converted first connection is connected to the second connection to establish a command sending link; a debugging command is issued by the debugging device, and the debugging command is sent to the to-be-debugged Android device based on the command sending link to remotely debug the to-be-debugged device. The above method does not need to go to the customer site for debugging, thereby reducing the cost.

The application provides a PC-to-Android device large file high-speed transmission method and device based on a serial port protocol, and applies to the technical field of data processing. The application is a PC-to-Android device serial port large file high-speed transmission scheme, which receives transmission requirements and serial port basic configurations first, generates protocol starting and dynamic resource configuration settings; then starts LZ4 real-time compression and hybrid verification according to the settings, obtains file initial blocks and serial port rate original data; then processes the data by using pre-stored rules, generates standard compression blocks and rate comparison benchmarks; then generates rate adjustment signals and verification adaptation information according to baud rate negotiation rules, generates verification levels and control operation information in combination with hardware states; finally, transmission actions are converted by transmission requirements and error code feedback, classified information is extracted, adaptation parameters and calibration rules are generated, the problems of low efficiency, redundancy and the like of a traditional serial port are solved, and transmission efficiency and reliability are improved.

The application discloses an APP network flow-based optimization detection method and device and a medium, belongs to the APP network detection technical field, and is used for solving the technical problems that the existing analysis and abnormal detection of App network requests are not comprehensive enough, the artificial efficiency is low, key risk information is easy to be missed, and many limitations exist. The method comprises the following steps: performing version trust identification processing on a user certificate under certificate verification to obtain a new user certificate; capturing HTTPS network packets of an APP application in an Android device through a trust state of the new user certificate in a virtual machine; performing parallel aggregation detection on the HTTPS network packets under multiple attribute items to obtain network packet detection results; performing cooperative detection processing on abnormal related data features in the network packet detection results and threshold rules to obtain network potential performance problem results; and determining an optimization scheme for a problem based on the network potential performance problem results.

This application discloses a method, device, and storage medium for accelerating real-time processing of laser point cloud data, aiming to solve the following technical problem: how to achieve fast real-time processing of laser point cloud data on a handheld Android device. The method includes: collecting corresponding initial data through a lidar, inertial measurement unit (IMU), and RTK module; wherein the initial data includes point cloud data, attitude data, and positioning data; preprocessing the initial data to obtain standard data, and transmitting the standard data to the Vulkan computing module in the GPU; wherein the standard data includes standard point cloud data, standard attitude data, and standard positioning data; and processing the standard data based on a preset real-time processing algorithm in the Vulkan computing module to determine the unified spatial coordinates corresponding to the point cloud data. This application achieves fast real-time processing of laser point cloud data on a handheld Android device through the above method.

This invention relates to a mobile application penetration testing tool, which can be used to detect and analyze vulnerabilities in Android mobile applications using reverse engineering and static code analysis methods, characterized in that it comprises an interface containing a main script (1) on which a main menu and functions are present and through which a user enters the menu option; a processor that executes a sasting script (2) which is the first function of the main script (1) and reverse-engineers an APK file with an APKTool by getting an APK file path from a user, an hdcoding script (3) which is the second function of the main script (1), searches for specific keywords within the reverse-engineered APK files, detects vulnerabilities and notifies the user of them; a flagchecker script (4) which is the third function of the main script (1) and analyzes the AndroidManifest.xml file, checks the settings that may lead to potential security vulnerabilities and whether the specified features are turned on; a mainfinder script (5) which is the fourth function of the main script (1) and searches for certain features and permissions in the AndroidManifest.xml file using grep commands, saves them in various text files, reads the information in these files and notifies the user of them; and a verschecker script (6), which connects via the Android Debug Bridge by getting the IP and port information of an Android device or an emulator, checks the Android version of the device and reports it to a user.

This application provides an anomaly log analysis method and apparatus, relating to the field of software analysis technology. The method includes: acquiring an Android device log information set, the log information set including multiple raw log messages; performing format standardization processing on each raw log message to obtain a first log set including multiple log messages with uniform format; filtering and obtaining a second log set based on the first log set, the second log set not including redundant log messages in the first log set, and including missing fields of log messages in the first log set; classifying the multiple log messages in the second log set to obtain a third log set; organizing each log message in the third log set according to time sequence and category label to generate multiple log message sequences; sending the multiple log message sequences to a local server; and obtaining an anomaly log report and corresponding repair suggestions based on the multiple log message sequences.

This invention provides a stability fault analysis method, apparatus, medium, and device. The method includes: acquiring log files from the raw log data of an Android device; scanning each log file to identify whether it contains content that matches a fault type identification fingerprint in a preset fault type identification fingerprint database; if so, determining one or more stability faults of different fault types present in the Android device, and identifying the corresponding first anchor point data in the log file; summarizing the first anchor point data of all log files according to fault type to obtain the corresponding second anchor point data; and extracting corresponding feature index data from the second anchor point data corresponding to each fault type based on a preset feature index fingerprint database, and performing analysis using corresponding analysis methods. This method can greatly improve the efficiency of retrieval and association of raw log data, and improve the accuracy of association of fault data in different log data corresponding to the same fault type.

The utility model discloses an intelligent bag quick-charging palm device, which comprises a shell, a front cover, a surface cover and a mounting frame, realizes quick disassembly and assembly through a clamping structure of a clamping groove and a clamping column, and supports free switching between'bag fixed use 'and'independent portable use'. The winder driven by the volute spring is arranged in the shell, so that the data line can be automatically recycled, and winding and loss are avoided; a charging module integrating PD and QC mainstream fast charging protocols adapts to Lightning, USB-C and other interfaces of Apple, Android and other devices, and the one-line multi-purpose effect is achieved. The built-in positioning module realizes the functions of global positioning, track playback and tracking query through base station signals, and can monitor the target positions of bags, old people, children and the like in real time through a matched APP. The sliding cover design of the surface cover can protect the plug interface and improve the durability. The utility model solves the problems of single function and inconvenience in use of the traditional equipment, has the advantages of flexibility, portability, safety in positioning and high-efficiency charging performance, and is suitable for multiple scenes such as home, business trip, travel and the like.

This invention discloses a testing method, apparatus, and device for application installation security interception. It relates to the field of mobile application security and automated testing. The method includes: obtaining a detection task for the installation package to be tested from a task queue; downloading the installation package to be tested to the local machine according to its download address; pushing the installation package to be tested to a specified storage path on the target Android device via an Android debugging bridge, and launching a pre-installed auxiliary application on the target Android device via the Android debugging bridge; operating the auxiliary application through a UI automated testing framework to trigger the installation of the installation package to be tested on the target Android device; obtaining the interface information of the target Android device during the installation process through the UI automated testing framework, and determining whether the installation is complete and whether security interception was triggered during the installation process based on the interface information; if the installation is complete, generating a structured test report. This invention enables automated and proactive detection of application installation security risks.

The invention relates to an identity authentication method and system based on digital handwriting, electronic equipment and a medium, and the method comprises a handwriting collection driving layer module which reads user writing event information and carries out track capturing; the safe handwriting processing module runs in a TEE of the Android device, performs handwriting feature extraction on the trajectory data acquired by the handwriting acquisition driving layer module, generates a handwriting feature template based on the extracted handwriting features in a registration stage, and compares the extracted handwriting features with the handwriting feature template in an authentication stage; the system authentication interface module is used for registering in an Android Biometrics Prompt API (Application Program Interface) as a legal biometric authentication mode; and the secure storage module is used for encrypting and storing the handwriting feature template, and the encrypted and stored handwriting feature template cannot be exported and is bound with the unique key of the Android device. The method has high security and strong privacy protection.

The invention relates to the technical field of intelligent terminal lock screen control, discloses a method and a system for realizing a system-level lock screen function by an Android application, and at least solves the problem that the application-level lock screen function on existing Android equipment is easily bypassed by system operation. According to the scheme, the method comprises the following steps: creating a lock screen management module in a system Launcher process, wherein the lock screen management module is used for maintaining and executing at least one lock screen strategy; the screen locking management module periodically acquires system time and judges according to the screen locking strategy; when a triggering condition of a screen locking strategy is met, the screen locking management module initiates creation of a screen locking activity interface and sets a system attribute to obtain an input event control exclusive right; the screen locking activity interface is displayed in a full-screen foreground mode, and a navigation key event of the system is shielded based on the system attributes; and when the screen locking activity interface is placed in the background, the screen locking management module re-initiates creation of the screen locking activity interface. The method and the device are suitable for various intelligent terminals based on the Android system.

The application discloses an Android application runtime permission error dynamic detection method, and relates to the technical field of Android applications, and comprises the following steps: performing permission misuse analysis on an APK file of a measured application, obtaining an API affected by permission misuse and performing a plug-in, and re-signing the APK; installing the plug-in APK file capable of being installed and run on an Android device, dynamically exploring the measured application to generate a state transition graph, and recording a target control, that is, a control capable of calling the API affected by permission misuse, in the process of dynamic exploration; automatically exploring the measured application, selecting a control to operate according to the state transition graph and the target control in the exploration process, and outputting a test report after detecting an Android runtime permission error. Compared with other automatic test tools, the application considers an ARP mechanism, can more efficiently detect ARP errors in an Android application, and improves detection efficiency.

The invention discloses a remote ADB debugging method, device and system based on USB-IP (Universal Serial Bus-Internet Protocol), and relates to the technical field of remote debugging of Android equipment. According to the method, communication connection between the vehicle-mounted Android terminal and a cloud server is established through a portable gateway, and remote ADB interaction between developer equipment and the vehicle-mounted Android terminal is achieved through an encryption tunnel and a USB-IP protocol. The method specifically comprises the following steps that: a portable gateway is connected with a vehicle-mounted Android terminal USB (Universal Serial Bus), initializes a network, and establishes an encryption tunnel with a cloud server; the developer device establishes a communication link with the portable gateway through the cloud server after identity authentication; the portable gateway awakens the ADB service of the vehicle-mounted Android terminal, protocol conversion and packaging transmission are carried out on an ADB instruction, and finally bidirectional interaction of remote debugging data is achieved. The system overcomes distance limitation and network dependence, does not need to change a vehicle machine system, has the characteristics of high safety, low delay and easy deployment, and can meet the scene requirements of remote emergency debugging, automatic testing and the like.

The application provides a crowd-sourcing based Android user security and privacy setting system and method, the system comprises a user management module, a data collection module, a setting recommendation module, a data management module, a crowd-sourcing management module and a recommendation generation module.The security and privacy setting system generates personalized recommendations for Android users to improve security and privacy, collects security-related data from expert users, and introduces a weight-based algorithm to determine the priority and credibility of the data to create the best setting recommendations.The application can enable ordinary users to easily understand how to correctly set their devices to enhance personal security and privacy protection, and effectively improve the robustness and reliability of Android devices.

The application discloses a mobile office user abnormal behavior detection method based on a graph convolutional neural network, relates to the technical field of user entity behavior analysis, and reserves user operation preference information for user baseline clustering by adopting knowledge graph technology to represent a user operation sequence; a relational graph convolutional neural network algorithm is used to cluster a strong correlation entity set from a user operation graph, the problem that the length of a user operation baseline is difficult to determine is solved, the difficulty of matching user operation flow data with the baseline in the later period is reduced, and the accuracy of matching the operation sequence with the baseline is improved. The method for determining the operation baseline by finding the operation weight maximum path can improve the operation baseline semantics and continuously adapt to user operation behavior changes. Meanwhile, the application can solve the problem that an Android device is difficult to detect user abnormal behavior in real time due to insufficient computing power and bandwidth by constructing a server and client cooperative detection model.

The invention discloses a scanning preview method and system of a line-scan digital camera and the line-scan digital camera. The method comprises the steps that in response to a scanning preview request initiated by an application layer, a service layer obtains a display buffer area address; in response to the scanning starting instruction, the driving layer obtains original scanning image data and caches the original scanning image data to an image cache region of the driving layer; mapping the image cache region to a service layer in a memory mapping mode; and the service layer directly processes the original scanning image data in the image cache region, and writes the processed original scanning image data into the address of the display cache region to obtain a scanning preview image. The technical problems that the use depends on external display, the hardware structure is complex and the cost is high due to the lack of a scheme for independently realizing the real-time preview of the linear array camera on the Android equipment in the prior art are solved.

The application discloses an application self-starting method based on an Android device, which adds a self-defined service class in Launcher of system source code by modifying the Android system code, modifies the source code of the Launcher starting part, starts the added self-defined service after the Launcher starts, and is used for monitoring the running state and the installation state of the self-defined application, so that the problem that the application cannot self-start after booting and upgrading is overcome, the running state and the installation state of the application are monitored in real time by modifying the source code of the Launcher in the Android system, and the self-starting effect after booting, after upgrading and in other non-running states is achieved.

The invention provides a lightweight Android OTA upgrading system and method based on board card autonomy, belongs to the technical field of embedded device firmware air upgrading, and is particularly suitable for an Android device upgrading scene managed by a BMC (Baseboard Management Controller). The system comprises a BMC side dual-mode control module, a board card side active autonomous engine and a dual-mode compatible result feedback channel. The BMC side actively detects the own resource state, and can automatically or manually switch a BMC centralized driving mode and a board card autonomous mode; the board card side can autonomously complete OTA packet legality verification, block decompression, command reconstruction, environment cleaning and upgrade execution; and the feedback channel pushes the synchronous upgrading state in a unified format through the return value, the system attribute and the progress. According to the method, the problems of overload of BMC resources, lengthy operation links and low reliability in a traditional scheme are solved, and the resource utilization rationality, upgrading efficiency and reliability are improved.

A UAV data processing and management system is provided including an encoder broadcaster and data manager which provides end users with a single interface for searching and sharing any video or imagery source, from any device with no client software required. Data inputs to the resource can include UAV video, photos, traffic cameras, fixed surveillance systems, iOS and Android device pictures, and other data (e.g., texts, emails) and inputs from all forms of social media, such as Twitter, Instagram, Facebook, etc. The cloud-based manager is built with collaboration and sharing in mind while at the same time maintaining data privacy, security protection, chain-of-custody control and audit trail maintenance. Analytic tools are integrated accordingly as “plug-ins” or as a store of available app resources which are easily removed, added and customized based on user needs and system requirements and cost constraints.