int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
         EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
         dialog.show(getFragmentManager(), "nameeditdialog");
         int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
         EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
         dialog.show(getFragmentManager(), "nameeditdialog");