-    @Override
-    protected Dialog onCreateDialog(int id) {
-        Dialog dialog = null;
-        AlertDialog.Builder builder;
-        switch (id) {
-        case DIALOG_SHORT_WAIT: {
-            ProgressDialog working_dialog = new ProgressDialog(this);
-            working_dialog.setMessage(getResources().getString(
-                    R.string.wait_a_moment));
-            working_dialog.setIndeterminate(true);
-            working_dialog.setCancelable(false);
-            dialog = working_dialog;
-            break;
-        }
-        case DIALOG_CHOOSE_UPLOAD_SOURCE: {
-
-
-            String[] allTheItems = { getString(R.string.actionbar_upload_files),
-                    getString(R.string.actionbar_upload_from_apps) };
-
-            builder = new AlertDialog.Builder(this);
-            builder.setTitle(R.string.actionbar_upload);
-            builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
-                public void onClick(DialogInterface dialog, int item) {
-                    if (item == 0) {
-                        // if (!mDualPane) {
-                            Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
-                            action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
-                            startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
-                            // } else {
-                            // TODO create and handle new fragment
-                            // LocalFileListFragment
-                            // }
-                    } else if (item == 1) {
-                        Intent action = new Intent(Intent.ACTION_GET_CONTENT);
-                        action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
-                        //Intent.EXTRA_ALLOW_MULTIPLE is only supported on api level 18+, Jelly Bean
-                        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
-                            action.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
-                        }
-                        startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
-                                ACTION_SELECT_CONTENT_FROM_APPS);
-                    }
-                }
-            });
-            dialog = builder.create();
-            break;
-        }
-        case DIALOG_CERT_NOT_SAVED: {
-            builder = new AlertDialog.Builder(this);
-            builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
-            builder.setCancelable(false);
-            builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
-                @Override
-                public void onClick(DialogInterface dialog, int which) {
-                    dialog.dismiss();
-                };
-            });
-            dialog = builder.create();
-            break;
-        }
-        default:
-            dialog = null;
-        }
-
-        return dialog;
-    }
-
-    /**
-     * Translates a content URI of an content to a physical path on the disk
-     * 
-     * @param uri The URI to resolve
-     * @return The path to the content or null if it could not be found
-     */
-    public String getPath(Uri uri) {
-        final boolean isKitKatOrLater = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
-
-        // DocumentProvider
-        if (isKitKatOrLater && DocumentsContract.isDocumentUri(getApplicationContext(), uri)) {
-            // ExternalStorageProvider
-            if (UriUtils.isExternalStorageDocument(uri)) {
-                final String docId = DocumentsContract.getDocumentId(uri);
-                final String[] split = docId.split(":");
-                final String type = split[0];
-
-                if ("primary".equalsIgnoreCase(type)) {
-                    return Environment.getExternalStorageDirectory() + "/" + split[1];
-                }
-            }
-            // DownloadsProvider
-            else if (UriUtils.isDownloadsDocument(uri)) {
-
-                final String id = DocumentsContract.getDocumentId(uri);
-                final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
-                        Long.valueOf(id));
-
-                return UriUtils.getDataColumn(getApplicationContext(), contentUri, null, null);
-            }
-            // MediaProvider
-            else if (UriUtils.isMediaDocument(uri)) {
-                final String docId = DocumentsContract.getDocumentId(uri);
-                final String[] split = docId.split(":");
-                final String type = split[0];
-
-                Uri contentUri = null;
-                if ("image".equals(type)) {
-                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
-                } else if ("video".equals(type)) {
-                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
-                } else if ("audio".equals(type)) {
-                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
-                }
-
-                final String selection = "_id=?";
-                final String[] selectionArgs = new String[] { split[1] };
-
-                return UriUtils.getDataColumn(getApplicationContext(), contentUri, selection, selectionArgs);
-            }
-            // Documents providers returned as content://...
-            else if (UriUtils.isContentDocument(uri)) {
-                return uri.toString();
-            }
-        }
-        // MediaStore (and general)
-        else if ("content".equalsIgnoreCase(uri.getScheme())) {
-
-            // Return the remote address
-            if (UriUtils.isGooglePhotosUri(uri))
-                return uri.getLastPathSegment();
-
-            return UriUtils.getDataColumn(getApplicationContext(), uri, null, null);
-        }
-        // File
-        else if ("file".equalsIgnoreCase(uri.getScheme())) {
-            return uri.getPath();
-        }
-        return null;
-    }
-
-    /**
-     * Pushes a directory to the drop down list
-     * @param directory to push
-     * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
-     */
-    public void pushDirname(OCFile directory) {
-        if(!directory.isFolder()){
-            throw new IllegalArgumentException("Only directories may be pushed!");
-        }
-        mDirectories.insert(directory.getFileName(), 0);
-        setFile(directory);
-    }
-
-    /**
-     * Pops a directory name from the drop down list
-     * @return True, unless the stack is empty
-     */
-    public boolean popDirname() {
-        mDirectories.remove(mDirectories.getItem(0));
-        return !mDirectories.isEmpty();
-    }
-
-    // Custom array adapter to override text colors
-    private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
-
-        public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
-            super(ctx, view);
-        }
-
-        public View getView(int position, View convertView, ViewGroup parent) {
-            View v = super.getView(position, convertView, parent);
-
-            ((TextView) v).setTextColor(getResources().getColorStateList(
-                    android.R.color.white));
-            
-            fixRoot((TextView) v );
-            return v;
-        }
-
-        public View getDropDownView(int position, View convertView,
-                ViewGroup parent) {
-            View v = super.getDropDownView(position, convertView, parent);
-
-            ((TextView) v).setTextColor(getResources().getColorStateList(
-                    android.R.color.white));
-
-            fixRoot((TextView) v );
-            return v;
-        }
-
-        private void fixRoot(TextView v) {
-            if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
-                v.setText(R.string.default_display_name_for_root_folder);
-            }
-        }
-
-    }
-