114 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 aims to provide an efficient memory allocation and recovery method for an Android device, and relates to the technical field of memory processing, the method comprises the following steps: step 1: obtaining running data of the Android device, and calculating a memory state entropy based on the running data; calculating a memory fragment risk degree in combination with the priority matrix and the operation data; 2, calculating a memory allocation dynamic threshold according to the memory fragmentation risk degree; calculating a self-adaptive memory compression rate; step 3, using a self-adaptive memory compression rate to compress memory data which is not used by the Android device at present; the page number of the activity process is lower than the set minimum page threshold value; 4, if the memory fragmentation risk degree exceeds a set fragmentation threshold value, the Android device executes memory fragmentation; and averagely distributing the residual memory capacity to all the active processes. According to the invention, accurate allocation and efficient recovery of memory resources are realized.

An implementation method supporting a Kiosk mode and remote control, comprising: a main process of a TMS client establishing a connection with a TMS main server; when a remote control instruction is received, enabling an Android device in a Kiosk mode to temporarily quit the Kiosk mode; starting a remote control interface of the TMS client, setting the remote control interface to be transparent, setting a screen capture permission of the remote control interface, and enabling the Android device to enter the Kiosk mode; the remote control interface being connected to a remote control server and broadcasting connection information; the main process acquiring login information from detected connection success information and uploading the login information to the TMS main server; the TMS main server popping up a login dialog box of the remote control interface by means of a browser and automatically filling in the login information; and when login confirmation information triggered by a user is received, capturing the screen of the Android device and displaying same on the remote control server, so that the server end starts to synchronously display the screen with the Android device and performs operations. According to the present invention, a device in a Kiosk mode can be operated, and the use is convenient.

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 provides an inter-core communication method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a service calling request sent by second electronic equipment, querying a second processor to which a to-be-called target service belongs in first electronic equipment according to the identification information of the to-be-called target service carried in the service calling request, and sending the to-be-called target service to the second processor, and calling an inter-core communication subclass corresponding to the management service in the first processor, sending the service calling request to a target service in the second processor, calling the inter-core communication subclass, and obtaining a service calling result obtained by the target service based on the service calling request. According to the interface in the inter-core communication subclass, the heterogeneous multi-core standard interface and the interface of the basic communication component RPC of the Android equipment are fused, the capability of the basic communication component RPC of the equipment is enhanced, the service calling capability among the heterogeneous multiple cores is completed based on fusion of existing interfaces, the interface does not need to be customized independently, the development efficiency is improved, and better universality is achieved.

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 discloses a device-independent Android APP user operation track recording and playback method, which comprises the following steps: connecting an Android device to obtain basic information, monitoring control information of a current screen activity view and a user operation event in real time, and converting the control information and the user operation event into a standardized logic structure; according to the control layout of the current screen activity view, a structured view model is constructed, and the model covers all control information of the page. Aiming at the user operation event, generating a mapping relation between the user operation event and the page view control, and obtaining each user operation event and corresponding control information; starting from the first user operation event, recording each user operation event and the control information corresponding to the user operation event, and gradually generating an operation track sequence; and in a track playback stage, restarting the APP and adjusting the APP to an initial interface, and realizing playback of all actions by traversing an operation track sequence in sequence. According to the method provided by the invention, efficient recording and accurate playback of the equipment-independent Android APP user operation track are realized.

The invention provides an Android device screen projection method and system based on USB and network connection, and relates to the technical field of video streaming media transmission, and the method comprises the steps: building a communication connection between a PC and an Android device through an ADB tool, and transmitting an SCRCPY tool to a designated directory of the Android device through a push command of the ADB; using an ADB shell command to start SCRCPY on the Android device to capture and encode screen content; port forwarding is carried out by using an ADB forward command, and a local Socket of the Android device is mapped to a TCP port of a PC; a program written by using a Go language is connected with an Android device through a TCP port, and an H.264 / AVC video stream acquired by the SCRCPY is received; the Go program segments the received video stream into NAL units; the Go program starts a WebSocket server at a PC (Personal Computer) end; the NAL unit data is pushed through the WebSocket; and decoding the received NAL unit by using a jmuyer library, and playing a video in a browser, thereby realizing non-intrusive and cross-platform real-time screen mirroring.

The invention relates to an Android log management method, a storage medium and equipment. The method comprises the following steps: S1, creating an Android log module for each piece of Android equipment; and S2, recording different types of data through an Android log module to form a log, and locally storing the log. And S3, when the Android device is online, performing first remote uploading and second remote uploading on the locally stored log. According to the method and the system, a developer can analyze the recorded log and quickly locate the problem, so that the customer problem can be timely responded and solved, the customer problem solving efficiency of the developer is improved, the project software maintenance cost is effectively reduced, and the user experience is improved.

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 media resource information processing method, processing device, processing system and electronic device provided by the present invention can automatically obtain the information of media resources recommended or displayed by any video application of an Android device, and output the key information of the video application after data analysis, so as to achieve unified display. This can reduce the workload of manually obtaining information, thereby reducing labor costs and improving work efficiency.

The invention provides a method for protecting an So file from being subjected to memory Dump based on an Android system, which comprises the following steps of: adjusting an So file memory mapping behavior of an mmap function in a dynamic linker, and not reporting So file memory mapping information to a map file; calling a user-defined function to modify the file head feature information of the So file, and erasing the file head feature information; and hiding the record of the So file in the shared object list so as to complete protection of the So file. According to the method for protecting the So file from being Dumped by the memory based on the Android system, the So file in the Android system can be effectively prevented from being illegally Dumped in the memory, and the running safety of an application program is protected. In addition, due to the fact that balance between safety and performance is considered in the implementation process, the scheme is suitable for Android devices for various commercial and personal purposes.

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 embodiment of the invention relates to the technical field of LED display screen display, and discloses a display control method, device and system and a storage medium, an Android device in the system can send a canvas resolution to an LED display screen controller, the LED display screen controller can adjust an output resolution to the canvas resolution after receiving the canvas resolution, and the output resolution is adjusted to the canvas resolution. And then the android device draws a to-be-displayed picture on the canvas without zooming and sends the to-be-displayed picture to the LED display screen controller, so that the LED display screen controller controls the LED display screen to display the to-be-displayed picture, and pixel points of the to-be-displayed picture are in one-to-one correspondence with pixel points of the LED display screen through the mode of setting the output resolution, so that the display quality of the to-be-displayed picture is improved. The image to be displayed on the Android device can be displayed on the LED display screen in a lossless and zoom-free manner, and the display effect is good.

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.