77 results about "Android device" patented technology

The invention discloses a method and a system for realizing remote ADB debugging of Android equipment based on Frpc, and belongs to the technical field of remote debugging of mobile equipment. Aiming at the problems of complex configuration, low security, poor network penetration capability and the like of a traditional scheme, a system architecture including dynamic configuration management, bidirectional security authentication and intelligent tunnel maintenance is constructed by embedding an Frpc client in an equipment end. An encryption tunnel is established between an equipment end and a server end through TLS1.3, ADB flow reverse proxy transmission is achieved, configuration safety is guaranteed by adopting a dynamic token and HMAC-SHA256 encryption, and hot loading update and certificate two-way verification are supported; and an exponential backoff reconnection strategy is designed, and the network outage recovery capability is improved. According to the scheme, the configuration complexity is reduced by 83% in a public network environment, the connection speed is increased by 5 times, the data leakage risk is reduced by 97%, seamless debugging across NAT networks is supported, and a safe and efficient solution is provided for remote maintenance of Internet of Things equipment and intelligent terminals.

The invention discloses an Android equipment OTA upgrading optimization method based on local area network collaborative distribution, and relates to the technical field of mobile equipment upgrading. According to the method, the problems of bandwidth waste, high time cost and low success rate in a weak network environment in traditional OTA upgrading are solved through multi-device cooperation. The method comprises the following steps: dynamically electing master equipment based on parameters such as version number and electric quantity; the master device downloads the upgrade package, blocks the upgrade package, distributes the upgrade package to the slave device through a P2P protocol, verifies the upgrade package by the slave device, and retransmits the upgrade package if the verification fails; using SQLite to record the progress to realize breakpoint resume; the block transmission sequence is adjusted according to the state of the slave device, and the optimal path is selected by measuring the RTT. The method also comprises a fault-tolerant mechanism, reconstructs failed blocks by using RS coding, and adopts TLS 1.3 encryption and other technologies for a transmission layer. The bandwidth cost is remarkably reduced, the upgrading efficiency and success rate are improved, and the data security is guaranteed.

The invention discloses an Android video self-adaptive secondary transcoding method and system and a medium, mainly relates to the technical field of secondary transcoding, and is used for solving the problem that part of videos cannot be played on some Android devices due to a transcoding mode in an existing scheme. Or the video playing experience is difficult to comprehensively optimize due to the fact that the video playing experience cannot be comprehensively optimized due to the fact that the video playing experience is not combined with the real-time feedback in the playing process. Comprising the steps that when it is determined that a playing report error occurs and the error indicates that the coding format is incompatible, the format with the highest priority in the coding formats supported by equipment is selected from a coding list contained in software parameters to serve as the final coding format, and secondary transcoding is conducted according to the final coding format; triggering a screen resolution and code rate down-regulation program when lagging occurs, a playing error occurs, the error is not incompatible in coding format or playing stagnation occurs, and the CPU load in the hardware parameters is greater than a preset value; and carrying out secondary transcoding based on the down-regulated screen resolution and code rate.

The invention relates to the technical field of state recognition, in particular to an Android device remote state monitoring and intelligent operation and maintenance system which comprises an event trigger analysis module, a state feature classification module, a state section plotting module, a state fragment packaging module and a state level response module. In the method, a state path set is constructed through time label alignment of broadcast and thread events, an access source mark and a network return parameter are combined to generate a multi-dimensional state label sequence, a thread scheduling track and a memory block are mapped to form a state section structure, and an active boundary area is positioned in combination with power consumption change. Path numbers and permission information are combined, screened and packaged into a structured state unit, response level zones are divided through the number depth and the repetition rate, and complete restoration of behavior paths and accurate recognition of state nodes under the scenes of concurrent calling, complex event chains and the like are supported. And the granularity of terminal state analysis, the traceability continuity and the hierarchical adaptation capability of operation and maintenance response are remarkably improved.

The invention discloses a network signal intelligent optimization and switching method, system and device based on Android and a medium, belongs to the technical field of network signal optimization, and aims to solve the technical problem of how to realize more intelligent and automatic network signal optimization and switching according to various factors such as specific network conditions, user requirements and network quality. The technical scheme adopted by the invention is as follows: signal quality monitoring: monitoring the signal quality of each network connected with equipment in real time, and monitoring the signal quality of the current network through a hardware interface of Android equipment; user behavior analysis: analyzing user behavior characteristics and network requirements by collecting behavior data of the user so as to speculate the requirements of the user on the network; intelligent optimization: dynamically judging and optimizing network connection by utilizing a machine learning or rule engine technology according to the signal monitoring data and a user behavior analysis result, and selecting the most suitable network; and network switching: according to an optimization result, automatically selecting the most suitable network for switching.

The invention provides an abnormal log analysis method and device, and relates to the technical field of software analys.The method comprises the steps that an Android device log information set is obtained, the log information set comprises multiple pieces of original log information, format standardization processing is conducted on each piece of original log information, and the original log information is obtained; obtaining a first log set comprising a plurality of pieces of log information with uniform formats; a second log set is obtained through screening according to the first log set, the second log set does not comprise redundant log information in the first log set, and the second log set comprises missing fields of the log information in the first log set; classifying multiple pieces of log information in the second log set to obtain a third log set; sorting each piece of log information in the third log set according to the time sequence and the category label to generate a plurality of log information sequences; and sending the plurality of log information sequences to a local server, and obtaining an abnormal log report and a repair suggestion corresponding to the abnormal log report according to the plurality of log information sequences.

The invention discloses an Android system transparent proxy method based on Root authority, and relates to the technical field of network proxy of mobile equipment. According to the method, transparent interception and forwarding of TCP and UDP traffic are realized by acquiring Root permission of an Android system and combining proxy service and a traffic management tool, and dependence on VPNService API is avoided, so that VPN detection is bypassed. According to the method, proxy configuration and rules are dynamically managed through an interface or a script, a filtering condition is set based on an application UID to achieve local proxy, a specific flow bypassing strategy is configured, and a user-defined chain is constructed through iptables to process flows of different sources. Meanwhile, the method supports transparent redirection of DNS requests to control domain name resolution. Compared with the prior art, the method has the advantages of no VPN (Virtual Private Network), flexible configuration, high detection resistance and the like, and is suitable for network control and privacy protection scenes of the Android equipment.

The invention provides a method and a device for remotely operating equipment. A specific embodiment of the method comprises the following steps: installing a first Android debugging tool; establishing a mapping relationship with a second Android debugging tool on the node server to receive debugging service information of the second Android debugging tool to the Android device; receiving equipment operation demand information of a user; and based on the equipment operation demand information, connecting and operating the Android equipment on the node server through the first Android debugging tool. According to the implementation mode, the convenience of remotely operating the Android equipment can be improved.

The invention discloses an intelligent voice alarm method based on android equipment, relates to the field of alarm linkage of the android equipment, and is particularly suitable for the situation that alarm of a mobile phone and a tablet computer cannot be triggered in a manual mode and can be triggered without touching the android equipment. Along with the wide application of an Android operating system in mobile equipment, mobile equipment alarm becomes a hot spot concerned by people increasingly. At present, the alarm of Android equipment is basically triggered by manual operation (such as clicking and key pressing), and sometimes, people may have no time or chance to complete key pressing operation, so that people hope that the Android equipment can complete alarm linkage operation without depending on manual operation. The invention discloses an intelligent voice alarm method based on android equipment, which can realize triggering of an alarm function under the condition that the android equipment (a mobile phone or a tablet computer) does not depend on manual operation so as to meet the special requirements of the video monitoring industry, the traffic safety industry or other industries.

The invention provides an operating system used in a Recovery mode of Android equipment and a hardware execution system of the operating system, and automatic operation is realized through combination of software and hardware. The software part comprises an interface identification module, an instruction generation module and a communication module, and the hardware part comprises a mechanical arm, a control unit and a sensor module. The system can automatically identify the mobile phone interface and execute the software instruction through the mechanical arm, is suitable for batch processing or operation in a specific environment, and improves the efficiency and accuracy.

The invention relates to an external display screen driving method and system based on an Android system, an external display screen is connected with Android equipment through a low-speed serial interface, and the method comprises the steps that S1, a Native layer initialization function is called through a JNI interface on an Android application layer; s2, an LVGL graphic library is loaded on a Native layer; s3, registering and adapting external display screen hardware of the low-speed serial interface through a display driving interface of the LVGL graphics library; s4, executing a color space conversion algorithm on the Native layer, and converting color graphic data output by the LVGL graphic library into color format data suitable for the target external display screen; and S5, transmitting the converted display data to an external display screen through a device driving interface of the Linux kernel. According to the method, the lightweight LVGL graphics library is integrated into the Android application through the JNI technology, and the display screen connected through the low-speed serial interface is directly driven in the user space, so that the efficient and flexible display driving is realized under the condition that the source code of the Android system is not modified, and the multi-screen different display function is supported.

The invention relates to a video processing method and device, equipment, a medium and a vehicle. The video processing method comprises the following steps: receiving camera parameters sent by an Android side through a system side; controlling an image acquisition device to acquire a first target video through the system side according to the camera parameters; performing watermark adding processing on the first target video through the system side to obtain a second target video; and sending the second target video to the Android side through the system side. According to the embodiment of the invention, the resource occupancy rate of the Android side can be reduced.

The invention provides a method for performing all-gesture simulation anti-control between Android devices. The method comprises the following steps: S1, transmitting the resolution ratio and the screen density of a mobile device end to a vehicle-mounted infotainment system device end through a communication layer; starting a process of the Shell user group permission of the mobile device end by the vehicle machine system device end through the ADB communication channel; and S2, collecting all touch gestures of a user by the in-vehicle infotainment system equipment end, and according to the resolution and screen density of the video transmitted by the mobile equipment end, achieving the purpose of reversely controlling the mobile equipment end by touching the screen of the in-vehicle infotainment system equipment end when the in-vehicle infotainment system equipment end plays the screen mirror image content of the mobile equipment end. Through close cooperation of the communication layer, the vehicle machine system equipment end and the mobile equipment end, all-gesture simulation anti-control between Android equipment is realized, so that the requirement of a user for performing complex gesture simulation anti-control between Android equipment is met, a new experience scene is brought to the user, and the user experience feeling is improved.

The invention relates to the technical field of reliability testing of Android equipment without a built-in battery, and discloses a file damage critical time determining method, testing equipment and a system.The method comprises the steps that after a testing file is received, power-off operation is executed by delaying a preset duration, and power-on is conducted again after power-off to detect a hash value of the file, so that whether the file is damaged or not is judged; if the current hash value is matched with the original hash value, further detecting the time precision of the preset duration, adjusting the preset duration when the time precision does not reach a set value, repeating the test, and taking the preset duration at the moment as the file damage critical time after the time precision reaches the standard; the technical means of delaying the preset time length for power-off, detecting the file state in combination with the Hash value matching and then adjusting the preset time length according to the time precision is adopted, so that the problem that the control precision of the power-off time of the traditional power-off test is insufficient is solved, and compared with the prior art, the effect of accurately reproducing the damage critical time of the file system is realized.

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.

The invention belongs to the technical field of OTA program remote upgrading, and particularly relates to a method for realizing OTA program upgrading of an Android system, which comprises the following steps: step 1, an OTA cloud platform configures an OTA upgrading strategy and synchronizes an upgrading package to a CDN server; 2, the client serves as a daemon process resident system, the client monitors system startup broadcast, and the client monitors system network information; 3, the client side collects system information (IMEI identity code, Serial Number and the like), OTA version information and the like, an AES algorithm is used for encryption, and the client side securely transmits encrypted data to the server through HTTPS; according to the method, user intervention is not needed in the whole process, silent upgrading is achieved, a safe and efficient remote wireless upgrading solution is provided for the Android device by guaranteeing upgradeability and expandability of the OTA application, and the operation and maintenance cost of suppliers is greatly saved.

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 invention discloses a method and a system for monitoring use time of Android application equipment, belongs to the technical field of Android application development, and aims to solve the technical problem of how to monitor foreground applications and count use time length data of each application through barrier-free services in Android services. Comprising the following steps: creating a system-level barrier-free service, registering a window monitoring event for monitoring window state change in a configuration file of the barrier-free service, and maintaining two member variables; when a window state change is detected based on the barrier-free service, generating a data record, and updating a member variable; when the window switching event is triggered, filtering the new window through a pre-configured multi-layer filtering mechanism; monitoring screen-off and screen-on broadcasts of the Android device, and generating a data record; and locally storing data records generated in the window switching event processing and the screen-off and screen-on broadcast monitoring process, and uploading the locally stored data records to the cloud.

The invention provides an Android log management method, device and system. The method is applied to Android equipment under a specific vehicle type. The method comprises the following steps: in response to a startup operation, sending a log configuration acquisition request to a TSP cloud platform, so that the TSP cloud platform returns a log configuration file corresponding to the Android device; in response to a starting operation for the log management application, displaying the selectable log type configured in the log configuration file in the log management page; and in response to a selection operation and a log uploading operation for the target log type, uploading the to-be-uploaded log information to the TSP cloud platform in a format of the target log type. According to the method and the device, the log types of different log management applications are configured for the Android devices under different vehicle types through the TSP cloud platform, and developers can select the log types to be uploaded, so that the log collection types are more flexible, and testers of different vehicle types can select the log types capable of being uploaded more conveniently and accurately.

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.

The application provides a multi-screen interaction method based on dynamic network adjustment, which is suitable for various teaching scenes and realizes screen sharing and real-time interaction between a teacher and multiple student electronic devices by using an Android device. The method dynamically adjusts the sending frequency of heartbeat information by comprehensively considering real-time network conditions and preset teaching interaction requirements, and gradually optimizes adaptive code rate and multicast protocol selection, so as to adapt to different network conditions and teaching scene requirements, and ensure the efficiency, low delay and high-quality display of content synchronization. The method is free of dependence on special hardware, significantly reduces the system cost, enhances the expansibility of the system and the user interaction experience, and provides a flexible and reliable interaction solution for large-scale and multi-terminal teaching scenes.

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.

This invention provides a method for protecting So files from memory dumping in the Android system. The method includes: adjusting the memory mapping behavior of the `mmap` function in the Linker to prevent reporting So file memory mapping information to the maps file; calling a custom function to modify the file header characteristics of the So file and erasing the header characteristics; and hiding the So file record in the shared object list `solist`, thereby protecting the So file. This method effectively prevents So files from being illegally dumped in memory in the Android system, protecting the operational security of applications. Furthermore, because the implementation considers a balance between security and performance, this solution is applicable to various commercial and personal Android devices.

According to the cross-platform Bluetooth multi-channel communication method based on the Android device, the Android device can carry out Bluetooth multi-channel concurrent communication in a cross-platform mode by calling an Android Bluetooth API, so that cross-platform remote terminal control over some special industries such as video conferences or video monitoring is achieved, and the Android device develops towards diversification and expandability.

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.