Maybe because your application has no permission to access the corresponding file/directory?
On Tue, Jul 14, 2009 at 12:06 PM, Anirudh <[email protected]> wrote: > > > Hi, > > I have a function to list the contents of a directory. For the > contents of the directory "/System", both isDirectoy and isFile > functions return a false value. How is this possible? Please clarify. > > The code snippet for reference: > > 1. public void populateContents(String dir) { > 2. Log.v(TAG, "in populateContents, dir: " + dir); > 3. File file = new File(dir); > 4. if (file.isDirectory()) { > 5. try { > 6. Log.v(TAG, "in populateContents, mCurDir: " > 7. + mCurDir.getCanonicalPath()); > 8. } catch (IOException e) { > 9. // TODO Auto-generated catch block > 10. e.printStackTrace(); > 11. } > 12. String[] fileList = file.list(); > 13. for (int ix = 0; ix < fileList.length; ix++) { > 14. Log.v(TAG, "in populateContents, fileList[" + ix > + "]: " > 15. + fileList[ix]); > 16. File nFile = new File(fileList[ix]); > 17. String str = ""; > 18. if (nFile.isDirectory()) { > 19. Log.v(TAG, "in populateContents, fileList[" > + ix + "]: " > 20. + fileList[ix] + " is a > directory"); > 21. str = "[D->]"; > 22. String[] insideDir = nFile.list(); > 23. if (insideDir.length > 0) { > 24. Log.v(TAG, "in populateContents, fileList > [" + ix > 25. + "]: " + fileList[ix] + " is a > directory" > 26. + " and is non-empty"); > 27. str = "[D->(...)]"; > 28. } > 29. } else if (nFile.isFile()) { > 30. Log.v(TAG, "in populateContents, fileList[" > + ix + "]: " > 31. + fileList[ix] + " is a file"); > 32. } else { > 33. Log.v(TAG, "in populateContents, fileList[" > + ix + "]: " > 34. + fileList[ix] > 35. + " is neither a file nor a > directory"); > 36. } > 37. } > 38. } > 39. } > > I am getting logs in logcat like this: > V/->->FEX ( 350): in populateContents, fileList[0]: bin > V/->->FEX ( 350): in populateContents, fileList[0]: bin is neither a > file nor a directory > V/->->FEX ( 350): in populateContents, fileList[1]: build.prop > V/->->FEX ( 350): in populateContents, fileList[1]: build.prop is > neither a file nor a directory > V/->->FEX ( 350): in populateContents, fileList[2]: etc > V/->->FEX ( 350): in populateContents, fileList[2]: etc is a directory > V/->->FEX ( 350): in populateContents, fileList[2]: etc is a directory > and is non-empty > V/->->FEX ( 350): in populateContents, fileList[3]: app > V/->->FEX ( 350): in populateContents, fileList[3]: app is neither a > file nor a directory > V/->->FEX ( 350): in populateContents, fileList[4]: usr > V/->->FEX ( 350): in populateContents, fileList[4]: usr is neither a > file nor a directory > V/->->FEX ( 350): in populateContents, fileList[5]: fonts > V/->->FEX ( 350): in populateContents, fileList[5]: fonts is neither a > file nor a directory > V/->->FEX ( 350): in populateContents, fileList[6]: media > V/->->FEX ( 350): in populateContents, fileList[6]: media is neither a > file nor a directory > V/->->FEX ( 350): in populateContents, fileList[7]: sounds > V/->->FEX ( 350): in populateContents, fileList[7]: sounds is neither > a file nor a directory > V/->->FEX ( 350): in populateContents, fileList[8]: lib > V/->->FEX ( 350): in populateContents, fileList[8]: lib is neither a > file nor a directory > V/->->FEX ( 350): in populateContents, fileList[9]: xbin > V/->->FEX ( 350): in populateContents, fileList[9]: xbin is neither a > file nor a directory > V/->->FEX ( 350): in populateContents, fileList[10]: framework > V/->->FEX ( 350): in populateContents, fileList[10]: framework is > neither a file nor a directory > V/->->FEX ( 350): in populateContents, fileList[11]: lost+found > V/->->FEX ( 350): in populateContents, fileList[11]: lost+found is > neither a file nor a directory > > Regards, > Anirudh > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
