small fixes part 2
diff --git a/OsmAnd/src/net/osmand/plus/settings/DataStorageFragment.java b/OsmAnd/src/net/osmand/plus/settings/DataStorageFragment.java
index f5946df..2e357ac 100644
--- a/OsmAnd/src/net/osmand/plus/settings/DataStorageFragment.java
+++ b/OsmAnd/src/net/osmand/plus/settings/DataStorageFragment.java
@@ -5,7 +5,6 @@
 import android.app.ProgressDialog;
 import android.content.Context;
 import android.content.DialogInterface;
-import android.content.pm.PackageManager;
 import android.graphics.drawable.Drawable;
 import android.os.AsyncTask;
 import android.os.Bundle;
@@ -67,7 +66,7 @@
 	private Preference changeButton;
 	private DataStorageMenuItem currentDataStorage;
 	private String tmpManuallySpecifiedPath;
-	private DataStorageHelper itemsHolder;
+	private DataStorageHelper dataStorageHelper;
 	private boolean calculateTilesBtnPressed;
 	
 	private DataStorageHelper.RefreshMemoryUsedInfo calculateMemoryTask;
@@ -75,14 +74,12 @@
 
 	private OsmandApplication app;
 	private OsmandActionBarActivity activity;
-	private OsmandSettings settings;
 
 	@Override
 	public void onCreate(Bundle savedInstanceState) {
 		app = getMyApplication();
 		activity = getMyActivity();
-		settings = app.getSettings();
-		if (itemsHolder == null) {
+		if (dataStorageHelper == null) {
 			setRetainInstance(true);
 			refreshDataInfo();
 		}
@@ -94,12 +91,12 @@
 		
 		PreferenceScreen screen = getPreferenceScreen();
 
-		if (screen == null || itemsHolder == null) {
+		if (screen == null || dataStorageHelper == null) {
 			return;
 		}
 
-		menuItems = itemsHolder.getStorageItems();
-		memoryItems = itemsHolder.getMemoryInfoItems();
+		menuItems = dataStorageHelper.getStorageItems();
+		memoryItems = dataStorageHelper.getMemoryInfoItems();
 		dataStorageRadioButtonsGroup = new ArrayList<>();
 
 		for (DataStorageMenuItem item : menuItems) {
@@ -111,7 +108,7 @@
 			dataStorageRadioButtonsGroup.add(preference);
 		}
 
-		currentDataStorage = itemsHolder.getCurrentStorage();
+		currentDataStorage = dataStorageHelper.getCurrentStorage();
 
 		changeButton = new Preference(app);
 		changeButton.setKey(CHANGE_DIRECTORY_BUTTON);
@@ -159,7 +156,7 @@
 					if (tmpManuallySpecifiedPath != null) {
 						DataStorageMenuItem manuallySpecified = null;
 						try {
-							manuallySpecified = (DataStorageMenuItem) itemsHolder.getManuallySpecified().clone();
+							manuallySpecified = (DataStorageMenuItem) dataStorageHelper.getManuallySpecified().clone();
 							manuallySpecified.setDirectory(tmpManuallySpecifiedPath);
 						} catch (CloneNotSupportedException e) {
 							return false;
@@ -173,7 +170,7 @@
 			//show necessary dialog
 			String key = preference.getKey();
 			if (key != null) {
-				DataStorageMenuItem newDataStorage = itemsHolder.getStorage(key);
+				DataStorageMenuItem newDataStorage = dataStorageHelper.getStorage(key);
 				if (newDataStorage != null) {
 					if (!currentDataStorage.getKey().equals(newDataStorage.getKey())) {
 						if (newDataStorage.getType() == OsmandSettings.EXTERNAL_STORAGE_TYPE_DEFAULT
@@ -215,7 +212,7 @@
 		
 		final View itemView = holder.itemView;
 		if (preference instanceof CheckBoxPreference) {
-			DataStorageMenuItem item = itemsHolder.getStorage(key);
+			DataStorageMenuItem item = dataStorageHelper.getStorage(key);
 			if (item != null) {
 				TextView tvTitle = itemView.findViewById(android.R.id.title);
 				TextView tvSummary = itemView.findViewById(R.id.summary);
@@ -266,7 +263,7 @@
 			icon.setVisibility(View.INVISIBLE);
 			title.setText(R.string.shared_string_change);
 		} else if(key.equals(OSMAND_USAGE)) {
-			long totalUsageBytes = itemsHolder.getTotalUsedBytes();
+			long totalUsageBytes = dataStorageHelper.getTotalUsedBytes();
 			TextView tvSummary = itemView.findViewById(R.id.summary);
 			tvSummary.setText(DataStorageHelper.getFormattedMemoryInfo(totalUsageBytes, memoryUnitsFormats));
 		} else {
@@ -282,7 +279,7 @@
 							@Override
 							public void onClick(View v) {
 								calculateTilesBtnPressed = true;
-								calculateTilesMemoryTask = itemsHolder.calculateTilesMemoryUsed(DataStorageFragment.this);
+								calculateTilesMemoryTask = dataStorageHelper.calculateTilesMemoryUsed(DataStorageFragment.this);
 								updateAllSettings();
 							}
 						});
@@ -329,7 +326,7 @@
 	}
 
 	private void showFolderSelectionDialog() {
-		DataStorageMenuItem manuallySpecified = itemsHolder.getManuallySpecified();
+		DataStorageMenuItem manuallySpecified = dataStorageHelper.getManuallySpecified();
 		if (manuallySpecified != null) {
 			SelectFolderBottomSheet.showInstance(getFragmentManager(), manuallySpecified.getKey(),
 					manuallySpecified.getDirectory(), DataStorageFragment.this,
@@ -440,8 +437,8 @@
 	
 	private void refreshDataInfo() {
 		calculateTilesBtnPressed = false;
-		itemsHolder = DataStorageHelper.refreshInfo(app);
-		calculateMemoryTask = itemsHolder.calculateMemoryUsedInfo(this);
+		dataStorageHelper = new DataStorageHelper(app);
+		calculateMemoryTask = dataStorageHelper.calculateMemoryUsedInfo(this);
 	}
 
 	private String getSpaceDescription(String path) {
@@ -478,7 +475,7 @@
 	public void onFinishUpdating(String taskKey) {
 		updateAllSettings();
 		if (taskKey != null && taskKey.equals(TILES_MEMORY)) {
-			app.getSettings().OSMAND_USAGE_SPACE.set(itemsHolder.getTotalUsedBytes());
+			app.getSettings().OSMAND_USAGE_SPACE.set(dataStorageHelper.getTotalUsedBytes());
 		}
 	}
 
diff --git a/OsmAnd/src/net/osmand/plus/settings/DataStorageHelper.java b/OsmAnd/src/net/osmand/plus/settings/DataStorageHelper.java
index 994cc8e..757f551 100644
--- a/OsmAnd/src/net/osmand/plus/settings/DataStorageHelper.java
+++ b/OsmAnd/src/net/osmand/plus/settings/DataStorageHelper.java
@@ -47,14 +47,10 @@
 	private int currentStorageType;
 	private String currentStoragePath;
 
-	private DataStorageHelper(OsmandApplication app) {
+	public DataStorageHelper(OsmandApplication app) {
 		prepareData(app);
 	}
 
-	public static DataStorageHelper refreshInfo(OsmandApplication app) {
-		return new DataStorageHelper(app);
-	}
-
 	private void prepareData(OsmandApplication app) {
 
 		if (app == null) {
diff --git a/OsmAnd/src/net/osmand/plus/settings/GlobalSettingsFragment.java b/OsmAnd/src/net/osmand/plus/settings/GlobalSettingsFragment.java
index 561abc1..1eb7023 100644
--- a/OsmAnd/src/net/osmand/plus/settings/GlobalSettingsFragment.java
+++ b/OsmAnd/src/net/osmand/plus/settings/GlobalSettingsFragment.java
@@ -137,7 +137,7 @@
 		Preference externalStorageDir = (Preference) findPreference(OsmandSettings.EXTERNAL_STORAGE_DIR);
 		externalStorageDir.setIcon(getContentIcon(R.drawable.ic_action_folder));
 
-		DataStorageHelper holder = DataStorageHelper.refreshInfo(app);
+		DataStorageHelper holder = new DataStorageHelper(app);
 		DataStorageMenuItem currentStorage = holder.getCurrentStorage();
 		long totalUsed = app.getSettings().OSMAND_USAGE_SPACE.get();
 		if (totalUsed > 0) {