Log File Analysis Overview
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Questions and Answers

What issue did the ApkFileSha256Manager encounter multiple times during the log?

  • Unable to retrieve the SHA256 hash because it was not initialized (correct)
  • Connection timeout error
  • File not found error
  • Permission denied error

    • What significant event triggered the log entries recorded after 21:52:17.924?

  • A software application crash
  • User action on the screen (correct)
  • System reboot
  • Network connectivity change

    • What was the outcome of the http_request regarding network usage?

  • Network usage was canceled due to user not agreeing (correct)
  • Network was used but with limited permissions
  • Network request completely failed due to server errors
  • Network successfully utilized and data retrieved

    • What is indicated by the log entry recording 'getLanguage language is: ar'?

    <p>The device is configured to Arabic language</p> Signup and view all the answers

    What does the log entry related to 'getAppInfoFromPkgName fail' suggest?

    <p>The package name is incorrect or unavailable</p> Signup and view all the answers

    What does the log entry about 'getAppInfoFromPkgName fail’ indicate?

    <p>There was an issue retrieving application information for a specified package.</p> Signup and view all the answers

    What is indicated by the log entry 'udid is agree for SDK: 0'?

    <p>The user did not agree to provide their UDID for SDK usage.</p> Signup and view all the answers

    What does the log 'onReceive action is: android.net.conn.CONNECTIVITY_CHANGE' signify?

    <p>There has been a change in the network connectivity of the device.</p> Signup and view all the answers

    What action does 'setDeviceInfoCookie start' represent in the logs?

    <p>The application is beginning to store device-specific information.</p> Signup and view all the answers

    What is implied by the log entry 'resumeReserveDownload no wifi network'?

    <p>A download attempt will occur automatically when internet connectivity is available.</p> Signup and view all the answers

    Study Notes

    Log File Analysis

    • Errors: Many entries report errors related to ApkFileSha256Manager failing to retrieve ApkFileSha256 values, consistently marked as "not init".
    • Connectivity: Numerous entries related to NetConnectChangeReceiver receiving actions related to network connectivity changes. These indicate monitoring of the network state.
    • Power: Entries related to PowerConnectedReceiver show actions relating to power connection and disconnection.
    • Screen on/off: Entries show ScreenReceiver actions related to the screen turning on and off.
    • Downloads: PushDownloadHelper function is called, potentially resuming previously paused downloads when network conditions are appropriate.
    • Initialization: Multiple entries show initialization processes, notably including PowerKitManager, GameAssistantImpl, and various application start-up stages.
    • SDK Agreement: An indication of SDK agreement being verified for different processes and applications.
    • Network Requests: Errors and requests are frequently associated with http_request and SafeGuardInterceptor.
    • Application Start-up: Code related to the start-up procedures of several applications (e.g., GameCenterBizApplication, QuickGame) is observed.
    • Data Collection: Activities like CookieCenter and DeviceInfo seem to manage data collection from devices.
    • Android System Interactions: Log entries show interactions with Android's internal components like CONNECTIVITY_CHANGE, ACTION_POWER_CONNECTED, and the system boot process.
    • Error Handling: Consistent error handling is employed, particularly in cases of failed http_request and IOException errors.
    • Versioning and Availability: Mentions of versioncode:null and "is not support" suggest potential version incompatibility or unavailable features.

    Specific Issues

    • ApkFileSha256Manager Errors: The recurring error "getApkFileSha256 error not init" suggests a problem with initializing this component. This could be an issue with dependencies or configuration.
    • Network Errors: Multiple entries indicate errors or cancellations related to network requests. Investigating the nature of these errors, network connectivity, and server response times would be crucial.
    • User Agreement: The logs sometimes show instances where user agreement hasn't been met. Review the security and authorization flow, in particular the SafeGuardInterceptor checks.

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    Related Documents

    Android App Log GC___ PDF

    Description

    This quiz covers the analysis of log file entries, focusing on error reporting, network connectivity, power management, and screen state actions. Participants will learn about key components like ApkFileSha256Manager, NetConnectChangeReceiver, and others, enhancing their understanding of application behavior based on log file data.

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