Troubleshooting Daijishou Crashes On Rooted Android TV 12

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Encountering application crashes on a rooted Android TV, particularly with applications like Daijishou, can be a frustrating experience. This article addresses a specific issue where Daijishou 1.4.80 crashes on a rooted Android TV Box running Android 12 when the user attempts to click the "ADD MORE" button. We will explore the problem, delve into potential causes, discuss troubleshooting steps, and provide possible workarounds. This article aims to offer comprehensive guidance for users facing similar issues, ensuring a smoother experience with their Android TV setup.

Understanding the Problem: Daijishou Crashing on "ADD MORE"

The core issue reported is that Daijishou 1.4.80, a popular frontend application, crashes on a rooted Android TV box with Android 12 when the user tries to add a new path by clicking the "ADD MORE" button. This crash prevents users from expanding their libraries and customizing their Daijishou experience. The user has also tried using file management applications that support Storage Access Framework (SAF) without success, indicating that the problem may not be directly related to file access permissions but rather a deeper issue within the application or its interaction with the rooted Android environment.

Rooted Android TV and Potential Conflicts

Rooting an Android device offers users greater control over their system, allowing for advanced customization and the installation of specialized applications. However, rooting also introduces potential risks and compatibility issues. One of the primary reasons for application crashes on rooted devices is the altered system environment. Rooting modifies the core Android system, which can affect how applications interact with the operating system and hardware. These modifications can sometimes lead to unexpected behavior, including crashes.

When we are referring to the Daijishou application, it's important to recognize that applications are designed to operate within the standard Android environment. When the system is rooted, certain security measures and default behaviors are bypassed, which can create conflicts. For example, an application might rely on specific system libraries or services that are altered or disabled in a rooted environment. Similarly, changes to file system permissions or access controls can lead to crashes if an application attempts to access resources in an unsupported way. Therefore, while rooting provides benefits, it also requires users to be aware of and address potential compatibility issues.

In this particular case, the crash occurring when clicking the "ADD MORE" button suggests that the problem might be related to how Daijishou handles file paths or storage access within the rooted environment. The application's attempt to add a new path may trigger a function that is incompatible with the rooted system's modifications, leading to the crash. Additionally, the Storage Access Framework (SAF), which is designed to provide a secure and consistent way for applications to access files, may not be functioning as expected in the rooted environment, further complicating the issue.

Investigating the Role of Storage Access Framework (SAF)

Storage Access Framework (SAF) is a crucial component in modern Android systems, particularly for applications that require access to files and storage. SAF provides a standardized way for applications to interact with various storage providers, including local storage, cloud services, and removable media. This framework enhances security and user privacy by allowing users to grant specific permissions for file access rather than granting broad access to the entire storage.

The user's attempt to use file management applications that support SAF without success suggests a deeper issue beyond simple file permission problems. If SAF is not functioning correctly, it could be due to several reasons:

  1. Incompatibility with Root Modifications: Rooting the device may have altered system components related to SAF, causing it to malfunction. Some root methods or custom ROMs might not fully support or correctly implement SAF, leading to unexpected behavior.
  2. Missing or Corrupted SAF Components: It's possible that essential SAF components or libraries are missing or corrupted due to the rooting process or subsequent modifications. This can prevent applications from properly utilizing the framework.
  3. Conflicting Permissions: Root access allows for extensive permission modifications, which could inadvertently interfere with SAF's operation. Incorrectly configured permissions might prevent SAF from granting the necessary access rights to applications.

When Daijishou attempts to use SAF to add a new path, it relies on SAF to handle the file selection and access process. If SAF is not working as expected, this could lead to the crash observed by the user. The application might be making calls to SAF functions that either fail or return unexpected results, causing Daijishou to terminate.

To further investigate the issue, it would be beneficial to examine system logs and error messages generated when Daijishou attempts to use SAF. These logs might provide specific details about the failure points and help identify the underlying cause of the problem. Additionally, testing SAF functionality with other applications can help determine whether the issue is specific to Daijishou or a system-wide problem.

Troubleshooting Steps and Potential Solutions

Given the complexity of the issue, several troubleshooting steps can be taken to identify and potentially resolve the crashes experienced with Daijishou on a rooted Android TV 12 device. Here's a comprehensive approach:

  1. Check Daijishou Permissions:

    • Ensure that Daijishou has the necessary permissions to access storage. Go to Settings > Apps > Daijishou > Permissions and verify that storage access is granted. While SAF is designed to handle permissions, sometimes a direct permission grant can bypass underlying issues. Make sure all relevant permissions are enabled.

  2. Clear Daijishou Cache and Data:

    • Clearing the cache and data can resolve issues caused by corrupted or outdated files. Go to Settings > Apps > Daijishou > Storage and select Clear Cache and Clear Data. Keep in mind that clearing data will reset the application to its default state, so you may need to reconfigure your settings.

  3. Reinstall Daijishou:

    • A fresh installation can resolve issues caused by corrupted application files. Uninstall Daijishou, download the latest version, and reinstall it. This ensures you're starting with a clean slate and the most up-to-date version of the application.

  4. Verify Root Access and Stability:

    • Ensure that root access is properly functioning. Use a root checker application to verify that the device is rooted and that root access is stable. Sometimes, root access can become unstable due to various factors, leading to application crashes.

  5. Check for Magisk Modules or Other Root Modifications:

    • If you're using Magisk or other root management tools, review any installed modules or modifications. Some modules might interfere with application functionality. Try disabling modules one by one to see if any are causing the issue.

  6. Examine System Logs (Logcat):

    • Use Logcat or a similar tool to capture system logs while reproducing the crash. This can provide valuable information about the error, including specific error messages and stack traces. Analyzing these logs can help pinpoint the exact cause of the crash.

  7. Test with Different File Managers:

    • Although the user mentioned trying file managers with SAF support, testing with a wider variety of file managers can help identify if the issue is specific to certain file management applications or a broader system problem. Try different file managers, both with and without SAF support, to see if any work consistently.

  8. Check for Android TV Firmware Updates:

    • Ensure that your Android TV firmware is up to date. Sometimes, firmware updates include fixes for system issues that may affect application compatibility. Check for updates in Settings > Device Preferences > About > System Update.

  9. Consider a Factory Reset (as a Last Resort):

    • If all other steps fail, a factory reset can restore the device to its default state, potentially resolving system-level issues. However, this will erase all data on the device, so it should be used as a last resort. Back up any important data before performing a factory reset.

Potential Workaround: Direct File Modification

The user mentioned the possibility of directly modifying the com.theronrogers.daijishou_preferences.xml file located in /data/data/com.[directory name].daijishou/shared_prefs/. This approach involves manually editing the application's preferences file to add the desired paths. While this can be a workaround, it should be approached with caution due to the potential for data corruption or application instability.

Understanding the Risks

Directly modifying application preferences can lead to several risks:

  • Data Corruption: Incorrectly editing the XML file can corrupt the preferences data, causing Daijishou to malfunction or lose settings.
  • Application Instability: The application might not handle manually added paths correctly, leading to crashes or unexpected behavior.
  • Security Concerns: Modifying application files directly bypasses the intended security measures, which could potentially introduce vulnerabilities.

Steps to Modify the Preferences File (with Caution)

If you choose to proceed with this workaround, follow these steps carefully:

  1. Gain Root Access: Ensure that your Android TV box is rooted and that you have a file manager with root access (e.g., Solid Explorer, Mixplorer).
  2. Locate the Preferences File: Navigate to /data/data/com.[directory name].daijishou/shared_prefs/com.theronrogers.daijishou_preferences.xml. The [directory name] will vary based on the specific installation.
  3. Backup the File: Before making any changes, create a backup of the com.theronrogers.daijishou_preferences.xml file. This allows you to restore the original file if something goes wrong.
  4. Edit the File: Open the XML file in a text editor. Look for the section where paths are stored (this might be within a <string-array> or similar structure). Add the new paths in the appropriate format.
  5. Save the File: Save the modified XML file. Ensure that the file permissions are correctly set (usually 660 or rw-rw----).
  6. Restart Daijishou: Close and reopen Daijishou to see if the changes have been applied.

Example Modification

Suppose the original XML file contains:

<map>
    <string name="rom_paths">/storage/emulated/0/Roms</string>
</map>

To add another path, you might modify it as follows:

<map>
    <string name="rom_paths">/storage/emulated/0/Roms:/storage/emulated/0/Games</string>
</map>

In this example, a new path /storage/emulated/0/Games has been added, separated by a colon (:). The exact format may vary depending on how Daijishou stores the paths.

Best Practices

  • Only Add Known Safe Paths: Make sure the paths you add are valid and accessible.
  • Use the Correct Format: Follow the existing format in the XML file to ensure compatibility.
  • Test Thoroughly: After making changes, test Daijishou extensively to ensure it functions correctly.
  • Monitor for Issues: Keep an eye out for any unexpected behavior or crashes after modifying the file.

Conclusion

Troubleshooting application crashes on a rooted Android TV requires a systematic approach. In the case of Daijishou crashing on the "ADD MORE" button, understanding the potential conflicts introduced by rooting, the role of the Storage Access Framework, and the risks associated with direct file modification is crucial. By following the troubleshooting steps outlined in this article and considering the workaround with caution, users can increase their chances of resolving the issue and enjoying a stable Daijishou experience on their rooted Android TV. Remember, always prioritize data backup and proceed with modifications carefully to avoid potential data loss or system instability. If problems persist, seeking assistance from the Daijishou community or Android rooting forums can provide further insights and solutions.