First, I would use MediaScannerConnection instead of that broadcast. Second, I think you have to recursively scan all of the contents -- from other reports I have seen, it appears that you can only scan files, not folders.
On Wed, Jul 4, 2012 at 12:03 AM, Hyuck <hyuckmin.k...@gmail.com> wrote: > Thank you for your interest. > > after I renamed a folder. I did re-scanning by sending broadcast intent as > below. > > Context applicationContext = > MyApplication.getInstance().getApplicationContext(); > > applicationContext.sendBroadcast(new > Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, > > and then, delete former folder name in database as below. > > public boolean deleteFolder(String folderPath){ > > > > boolean isSuccessful = false; > > Cursor cursor = null; > > String selection; > > > > DELETE_FOLDER : { > > //1. Get folder '_id' list.(with duplicated one). > > ArrayList<Integer> folderIdList = new > ArrayList<Integer>(); > > > > String[] projection = { > > FileSchema.Columns._ID > > }; > > selection = FileSchema.Columns.DATA + " = \"" + > folderPath + "\""; > > cursor = SqliteWrapper.query(getContext(), > getContentResolver(), FileSchema.getContentUri("external"), projection, > selection, null, null); > > if(cursor != null && cursor.moveToFirst() && > cursor.getCount() > 0){ > > int dataIndex = cursor.getColumnIndex(FileSchema.Columns._ID); > > do { > > folderIdList.add(cursor.getInt(dataIndex)); > > } while ( cursor.moveToNext() ); > > cursor.close(); > > } else { > > isSuccessful = false; > > break DELETE_FOLDER; > > } > > > > //2. Delete folders in DB. > > while ( folderIdList.isEmpty() == false ) { > > int folderId = folderIdList.remove(0); > > int numberOfDeleted = > SqliteWrapper.delete(getContext(), getContentResolver(), > FileSchema.getContentUri("external"), > "_id=\""+Integer.toString(folderId)+"\"", null); > > if (numberOfDeleted < 0) { > > isSuccessful = false; > > break DELETE_FOLDER; > > } > > } > > //3. Delete files in DB. > > selection = FileSchema.Columns.DATA + " LIKE \"" + > folderPath + "/%\""; > > int numberOfDeleted = SqliteWrapper.delete(getContext(), > getContentResolver(), FileSchema.getContentUri("external"), selection, > null); > > if(numberOfDeleted < 0){ > > isSuccessful = false; > > break DELETE_FOLDER; > > } > > > > //4. Success! > > isSuccessful = true; > > break DELETE_FOLDER; > > } > > > > return isSuccessful; > > } > > > > On Wednesday, July 4, 2012 1:58:22 AM UTC+9, Mark Murphy (a Commons Guy) > wrote: >> >> How did you do the "re-scanning"? >> >> On Tue, Jul 3, 2012 at 12:53 PM, Hyuck <hyuckmin.k...@gmail.com> wrote: >> > Hi All, >> > >> > I have develop a kind of file manager app. recently, I have met a >> > strange >> > behavior of media scanner. >> > There was a folder(A) with some media files in it. and I renamed the >> > folder >> > name to B. >> > However, after a re-scanning , there is still folder A, and the folder >> > have >> > media files which have 0bytes. >> > is there anyone who have this kind of problem? if so, please give me >> > some >> > advise. it would be much appreciated. >> > >> > Hyuck. >> > >> > -- >> > You received this message because you are subscribed to the Google >> > Groups "Android Developers" group. >> > To post to this group, send email to android-developers@googlegroups.com >> > To unsubscribe from this group, send email to >> > android-developers+unsubscr...@googlegroups.com >> > For more options, visit this group at >> > http://groups.google.com/group/android-developers?hl=en >> >> >> >> -- >> Mark Murphy (a Commons Guy) >> http://commonsware.com | http://github.com/commonsguy >> http://commonsware.com/blog | http://twitter.com/commonsguy >> >> _The Busy Coder's Guide to Android Development_ Version 3.7 Available! > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en -- Mark Murphy (a Commons Guy) http://commonsware.com | http://github.com/commonsguy http://commonsware.com/blog | http://twitter.com/commonsguy Android Training... At Your Office: http://commonsware.com/training -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en