From: David A. Velasco <dvelasco@solidgear.es>
Date: Wed, 10 Jul 2013 07:06:08 +0000 (+0200)
Subject: Merge branch 'master' into develop
X-Git-Tag: oc-android-1.4.3~6
X-Git-Url: http://git.linex4red.de/pub/Android/ownCloud.git/commitdiff_plain/133e89d49559be9ead2449c2bdc7cd38ec23a71b?hp=81ef2eaaeae9ac1d4bae4257f22ce83c0170aab8

Merge branch 'master' into develop
---

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index ad8488d4..90de1600 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -95,7 +95,7 @@
 		        
         <activity	android:name="com.owncloud.android.ui.preview.PreviewVideoActivity"
 					android:label="@string/app_name"
-					android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
+					android:theme="@style/Theme.ownCloud.Fullscreen" >
 		</activity>        
 
         <service
diff --git a/res/layout-land/account_setup.xml b/res/layout-land/account_setup.xml
index dea86cd9..d3622be5 100644
--- a/res/layout-land/account_setup.xml
+++ b/res/layout-land/account_setup.xml
@@ -55,17 +55,35 @@
 			    android:orientation="vertical"
 			    android:padding="8dp" >
 		
-				<EditText
-					android:id="@+id/hostUrlInput"
+			    <FrameLayout 
 					android:layout_width="match_parent"
 					android:layout_height="wrap_content"
-					android:ems="10"
-					android:hint="@string/auth_host_url"
-					android:inputType="textUri"
-					android:drawablePadding="5dp"
-					>
-					<requestFocus />
-				</EditText>
+			        >
+					<EditText
+						android:id="@+id/hostUrlInput"
+						android:layout_width="match_parent"
+						android:layout_height="wrap_content"
+						android:hint="@string/auth_host_url"
+						android:inputType="textUri"
+						android:drawablePadding="5dp"
+						android:paddingRight="55dp"
+						>
+						<requestFocus />
+					</EditText>
+					<ImageButton
+					    android:id="@+id/refeshButton"
+					    android:layout_width="48dp"
+					    android:layout_height="48dp"
+					    android:layout_gravity="center_vertical|right"
+					    android:layout_marginRight="5dp"
+					    android:padding="0dp"
+					    android:scaleType="fitCenter"
+					    android:src="@drawable/ic_action_refresh_black"
+            			android:onClick="onRefreshClick"
+					    android:visibility="gone"
+						android:background="@android:color/transparent"
+					    />
+				</FrameLayout>
 		
 				<TextView
 					android:id="@+id/server_status_text"
diff --git a/res/layout/account_setup.xml b/res/layout/account_setup.xml
index a218fa97..1c7921d0 100644
--- a/res/layout/account_setup.xml
+++ b/res/layout/account_setup.xml
@@ -40,19 +40,37 @@
             android:layout_marginTop="10dp"
             android:src="@drawable/logo" />
 
-		<EditText
-			android:id="@+id/hostUrlInput"
+	    <FrameLayout 
 			android:layout_width="match_parent"
 			android:layout_height="wrap_content"
-			android:ems="10"
-			android:hint="@string/auth_host_url"
-			android:inputType="textUri"
-			android:drawablePadding="5dp"
-			>
-			<requestFocus />
-		</EditText>
-
-        <TextView
+	        >
+			<EditText
+				android:id="@+id/hostUrlInput"
+				android:layout_width="match_parent"
+				android:layout_height="wrap_content"
+				android:hint="@string/auth_host_url"
+				android:inputType="textUri"
+				android:drawablePadding="5dp"
+				android:paddingRight="55dp"
+				>
+				<requestFocus />
+			</EditText>
+			<ImageButton
+			    android:id="@+id/refeshButton"
+			    android:layout_width="48dp"
+			    android:layout_height="48dp"
+			    android:layout_gravity="center_vertical|right"
+			    android:layout_marginRight="5dp"
+			    android:padding="0dp"
+			    android:scaleType="fitCenter"
+			    android:src="@drawable/ic_action_refresh_black"
+            	android:onClick="onRefreshClick"
+				android:visibility="gone"
+				android:background="@android:color/transparent"
+			    />
+		</FrameLayout>
+
+		<TextView
             android:id="@+id/server_status_text"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
diff --git a/res/layout/video_layout.xml b/res/layout/video_layout.xml
index 8781ad8a..dfa29f7d 100644
--- a/res/layout/video_layout.xml
+++ b/res/layout/video_layout.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout	xmlns:android="http://schemas.android.com/apk/res/android"
-				android:layout_width="fill_parent"
-				android:layout_height="fill_parent" >
+				android:layout_width="match_parent"
+				android:layout_height="match_parent" >
 
 	<VideoView  android:id="@+id/videoPlayer"
 				android:layout_width="wrap_content"
diff --git a/res/menu/account_picker_long_click.xml b/res/menu/account_picker_long_click.xml
index a6ef11e2..b7e2dd37 100644
--- a/res/menu/account_picker_long_click.xml
+++ b/res/menu/account_picker_long_click.xml
@@ -18,7 +18,6 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 -->
 <menu xmlns:android="http://schemas.android.com/apk/res/android" >
+    <item android:id="@+id/change_password" android:title="@string/change_password"></item>
     <item android:id="@+id/delete_account" android:title="@string/delete_account"></item>
-    
-
 </menu>
\ No newline at end of file
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 4ea31574..7e4ec936 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -51,7 +51,7 @@
     <string name="auth_host_url">Server address</string>
     <string name="auth_username">Username</string>
     <string name="auth_password">Password</string>
-    <string name="auth_register">I am new to %1$s</string>
+    <string name="auth_register">New to %1$s?</string>
     <string name="new_session_uri_error">Incorrect address given</string>
     <string name="new_session_session_name_error">Incorrect session name</string>
     <string name="sync_string_files">Files</string>
@@ -95,6 +95,7 @@
     <string name="common_loading">Loading &#8230;</string>
     <string name="common_error_unknown">Unknown error</string>
     <string name="about_title">About</string>
+    <string name="change_password">Change password</string>
     <string name="delete_account">Delete account</string>
     <string name="create_account">Create account</string>
     <string name="upload_chooser_title">Upload from &#8230;</string>
@@ -118,7 +119,7 @@
     <string name="sync_string_contacts">Contacts</string>
     <string name="sync_fail_ticker">Synchronization failed</string>
     <string name="sync_fail_content">Synchronization of %1$s could not be completed</string>
-    <string name="sync_fail_content_unauthorized">Invalid credentials for %1$s</string>
+    <string name="sync_fail_content_unauthorized">Invalid password for %1$s</string>
 	<string name="sync_conflicts_in_favourites_ticker">Conflicts found</string>
 	<string name="sync_conflicts_in_favourites_content">%1$d kept-in-sync files could not be sync\'ed</string>
     <string name="sync_fail_in_favourites_ticker">Kept-in-sync files failed</string>
@@ -177,14 +178,14 @@
         <item>60</item>
     </string-array>
 
-    <string name="auth_trying_to_login">Trying to login...</string>
+    <string name="auth_trying_to_login">Trying to login&#8230;</string>
     <string name="auth_no_net_conn_title">No network connection</string>
     <string name="auth_no_net_conn_message">No network connection has been detected, check your Internet connection and try again.</string>
     <string name="auth_connect_anyway">Connect anyway</string>
     <string name="auth_nossl_plain_ok_title">Secure connection unavailable.</string>
     <string name="auth_nossl_plain_ok_message">The Application cannot establish a secure connection to the server. A non secure connection is available. You may continue or cancel.</string>
     <string name="auth_connection_established">Connection established</string>
-    <string name="auth_testing_connection">Testing connection...</string>
+    <string name="auth_testing_connection">Testing connection&#8230;</string>
     <string name="auth_not_configured_title">Malformed server configuration</string>
     <string name="auth_not_configured_message">It seems that your server instance is not correctly configured. Contact your administrator for more details.</string>
     <string name="auth_unknown_error_title">Unknown error occurred!</string>
@@ -200,14 +201,14 @@
     <string name="auth_bad_oc_version_title">Unrecognized server version</string>
     <string name="auth_wrong_connection_title">Couldn\'t establish connection</string>
     <string name="auth_secure_connection">Secure connection established</string>
-    <string name="auth_unauthorized">Invalid credentials</string>
+    <string name="auth_unauthorized">Wrong username or password</string>
 	<string name="auth_oauth_error">Unsuccessful authorization</string>
 	<string name="auth_oauth_error_access_denied">Access denied by authorization server</string>
     <string name="auth_not_found">Wrong path given</string>
     <string name="auth_internal">Internal server error, code %1$d</string>
     <string name="auth_wtf_reenter_URL">Unexpected state; please, enter the server URL again</string>
     <string name="auth_expired_oauth_token_toast">Your authorization expired.\nPlease, authorize again</string>
-    <string name="auth_expired_basic_auth_toast">Your saved credentials are invalid.\nPlease, enter the current credentials</string>
+    <string name="auth_expired_basic_auth_toast">Please, enter the current password</string>
     
     <string name="crashlog_message">Application terminated unexpectedly. Would you like to submit a crash report?</string>
     <string name="crashlog_send_report">Send report</string>
diff --git a/res/values/styles.xml b/res/values/styles.xml
index 161f5d38..13d0ed27 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -17,7 +17,7 @@
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 -->
-<resources>
+<resources xmlns:android="http://schemas.android.com/apk/res/android">
 	<style name="Animations" />
 
 	<!-- Default ownCloud app style -->
@@ -29,9 +29,15 @@
 	<style name="Theme.ownCloud.noActionBar" parent="style/Theme.Sherlock.Light.NoActionBar">
       <item name="android:actionBarStyle">@style/Theme.ownCloud.Widget.ActionBar</item>
       <item name="actionBarStyle">@style/Theme.ownCloud.Widget.ActionBar</item>
-  </style>
+    </style>
+	
+	<style name="Theme.ownCloud.Fullscreen" parent="style/Theme.Sherlock.NoActionBar">
+      <item name="android:actionBarStyle">@style/Theme.ownCloud.Widget.ActionBar</item>
+      <item name="actionBarStyle">@style/Theme.ownCloud.Widget.ActionBar</item>
+      <item name="android:windowFullscreen">true</item>
+    </style>
+	
 	
-
 	<style name="Theme.ownCloud.Widget.ActionBar" parent="style/Widget.Sherlock.Light.ActionBar.Solid.Inverse">
     	<item name="android:background">@drawable/main_header_bg</item>
     	<item name="background">@drawable/main_header_bg</item>
diff --git a/src/com/owncloud/android/authentication/AccountAuthenticator.java b/src/com/owncloud/android/authentication/AccountAuthenticator.java
index aa129938..30eda593 100644
--- a/src/com/owncloud/android/authentication/AccountAuthenticator.java
+++ b/src/com/owncloud/android/authentication/AccountAuthenticator.java
@@ -190,6 +190,7 @@ public class AccountAuthenticator extends AbstractAccountAuthenticator {
         intent.putExtra(KEY_AUTH_TOKEN_TYPE, authTokenType);
         intent.putExtra(KEY_LOGIN_OPTIONS, options);
         intent.putExtra(AuthenticatorActivity.EXTRA_ACCOUNT, account);
+        intent.putExtra(AuthenticatorActivity.EXTRA_ENFORCED_UPDATE, true);
         intent.putExtra(AuthenticatorActivity.EXTRA_ACTION, AuthenticatorActivity.ACTION_UPDATE_TOKEN);
         
 
diff --git a/src/com/owncloud/android/authentication/AuthenticatorActivity.java b/src/com/owncloud/android/authentication/AuthenticatorActivity.java
index 6eae48f0..dabe98e8 100644
--- a/src/com/owncloud/android/authentication/AuthenticatorActivity.java
+++ b/src/com/owncloud/android/authentication/AuthenticatorActivity.java
@@ -60,6 +60,7 @@ import android.view.inputmethod.EditorInfo;
 import android.widget.CheckBox;
 import android.widget.EditText;
 import android.widget.Button;
+import android.widget.ImageButton;
 import android.widget.TextView;
 import android.widget.Toast;
 import android.widget.TextView.OnEditorActionListener;
@@ -83,6 +84,7 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
     public static final String EXTRA_USER_NAME = "USER_NAME";
     public static final String EXTRA_HOST_NAME = "HOST_NAME";
     public static final String EXTRA_ACTION = "ACTION";
+    public static final String EXTRA_ENFORCED_UPDATE = "ENFORCE_UPDATE";
 
     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
     private static final String KEY_OC_VERSION = "OC_VERSION";
@@ -109,7 +111,7 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
 
     public static final byte ACTION_CREATE = 0;
     public static final byte ACTION_UPDATE_TOKEN = 1;
-    
+
     private String mHostBaseUrl;
     private OwnCloudVersion mDiscoveredVersion;
 
@@ -131,6 +133,7 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
     private Account mAccount;
 
     private EditText mHostUrlInput;
+    private ImageButton mRefreshButton;
     private EditText mUsernameInput;
     private EditText mPasswordInput;
     private CheckBox mOAuth2Check;
@@ -157,6 +160,7 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
         /// set view and get references to view elements
         setContentView(R.layout.account_setup);
         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
+        mRefreshButton = (ImageButton) findViewById(R.id.refeshButton);
         mUsernameInput = (EditText) findViewById(R.id.account_username);
         mPasswordInput = (EditText) findViewById(R.id.account_password);
         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
@@ -177,6 +181,7 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE); 
         mAccount = null;
         mHostBaseUrl = "";
+        boolean refreshButtonEnabled = false;
 
         if (savedInstanceState == null) {
             /// connection state and info
@@ -204,7 +209,11 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
             }
             mOAuth2Check.setChecked(oAuthRequired);
             changeViewByOAuth2Check(oAuthRequired);
-
+            mJustCreated = true;
+            
+            if (mAction == ACTION_UPDATE_TOKEN) {
+                checkOcServer(); 
+            }
 
         } else {
             /// connection state and info
@@ -235,43 +244,35 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
             }            
             
             // refresh button enabled
-            mRefreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
+            refreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
+            
 
         }
 
         showServerStatus();
         showAuthStatus();
-        if (mServerIsChecked && !mServerIsValid && mRefreshButtonEnabled) showRefreshButton();
-        mOkButton.setEnabled(mServerIsValid); // state not automatically recovered in configuration changes
-
-        if (!OAUTH_MODE_OPTIONAL.equals(getString(R.string.oauth2_mode))) {
-            mOAuth2Check.setVisibility(View.GONE);
-        }
 
         if (mAction == ACTION_UPDATE_TOKEN) {
             /// lock things that should not change
             mHostUrlInput.setEnabled(false);
+            mHostUrlInput.setFocusable(false);
             mUsernameInput.setEnabled(false);
+            mUsernameInput.setFocusable(false);
+            mOAuth2Check.setVisibility(View.GONE);
+        }
+        
+        //if (mServerIsChecked && !mServerIsValid && mRefreshButtonEnabled) showRefreshButton();
+        if (mServerIsChecked && !mServerIsValid && refreshButtonEnabled) showRefreshButton();
+        mOkButton.setEnabled(mServerIsValid); // state not automatically recovered in configuration changes
+
+        if (!OAUTH_MODE_OPTIONAL.equals(getString(R.string.oauth2_mode))) {
             mOAuth2Check.setVisibility(View.GONE);
-            if (!mServerIsValid && mOcServerChkOperation == null) {
-                checkOcServer(); 
-            }
         }
 
         mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)
-        mJustCreated = true;
 
         /// bind view elements to listeners
         mHostUrlInput.setOnFocusChangeListener(this);
-        mHostUrlInput.setOnTouchListener(new RightDrawableOnTouchListener() {
-            @Override
-            public boolean onDrawableTouch(final MotionEvent event) {
-                if (event.getAction() == MotionEvent.ACTION_UP) {
-                    AuthenticatorActivity.this.onRefreshClick();
-                }
-                return true;
-            }
-        });
         mHostUrlInput.addTextChangedListener(new TextWatcher() {
 
             @Override
@@ -337,7 +338,8 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
         }
         
         // refresh button enabled
-        outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, mRefreshButtonEnabled);
+        //outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, mRefreshButtonEnabled);
+        outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, (mRefreshButton.getVisibility() == View.VISIBLE));
 
     }
 
@@ -368,7 +370,7 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
         super.onResume();
         // the state of mOAuth2Check is automatically recovered between configuration changes, but not before onCreate() finishes; so keep the next lines here
         changeViewByOAuth2Check(mOAuth2Check.isChecked());  
-        if (mAction == ACTION_UPDATE_TOKEN && mJustCreated) {
+        if (mAction == ACTION_UPDATE_TOKEN && mJustCreated && getIntent().getBooleanExtra(EXTRA_ENFORCED_UPDATE, false)) {
             if (mOAuth2Check.isChecked())
                 Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();
             else
@@ -1193,13 +1195,15 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
 
 
     private void showRefreshButton() {
-        mHostUrlInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, R.drawable.ic_action_refresh_black, 0);
-        mRefreshButtonEnabled = true;
+        /*mHostUrlInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, R.drawable.ic_action_refresh_black, 0);
+        mRefreshButtonEnabled = true;*/
+        mRefreshButton.setVisibility(View.VISIBLE);
     }
 
     private void hideRefreshButton() {
-        mHostUrlInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
-        mRefreshButtonEnabled = false;
+        /*mHostUrlInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
+        mRefreshButtonEnabled = false;*/
+        mRefreshButton.setVisibility(View.GONE);
     }
 
     /**
@@ -1209,7 +1213,7 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
      * 
      * @param view      Refresh 'button'
      */
-    public void onRefreshClick() {
+    public void onRefreshClick(View view) {
         checkOcServer();
     }
     
diff --git a/src/com/owncloud/android/datamodel/DataStorageManager.java b/src/com/owncloud/android/datamodel/DataStorageManager.java
index 31515a1a..133ab8de 100644
--- a/src/com/owncloud/android/datamodel/DataStorageManager.java
+++ b/src/com/owncloud/android/datamodel/DataStorageManager.java
@@ -46,4 +46,7 @@ public interface DataStorageManager {
     public void moveDirectory(OCFile dir, String newPath);
 
     public Vector<OCFile> getDirectoryImages(OCFile mParentFolder);
+    
+    public void calculateFolderSize(long id);
+    
 }
diff --git a/src/com/owncloud/android/datamodel/FileDataStorageManager.java b/src/com/owncloud/android/datamodel/FileDataStorageManager.java
index 1b0f083e..d84eb2a0 100644
--- a/src/com/owncloud/android/datamodel/FileDataStorageManager.java
+++ b/src/com/owncloud/android/datamodel/FileDataStorageManager.java
@@ -25,6 +25,7 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Vector;
 
+import com.owncloud.android.DisplayUtils;
 import com.owncloud.android.Log_OC;
 import com.owncloud.android.db.ProviderMeta;
 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
@@ -46,9 +47,9 @@ public class FileDataStorageManager implements DataStorageManager {
     private ContentResolver mContentResolver;
     private ContentProviderClient mContentProvider;
     private Account mAccount;
-    
+
     private static String TAG = "FileDataStorageManager";
-    
+
     public FileDataStorageManager(Account account, ContentResolver cr) {
         mContentProvider = null;
         mContentResolver = cr;
@@ -75,7 +76,7 @@ public class FileDataStorageManager implements DataStorageManager {
         return file;
     }
 
-    
+
     private OCFile createRootDir() {
         OCFile file = new OCFile(OCFile.PATH_SEPARATOR);
         file.setMimetype("DIR");
@@ -94,7 +95,7 @@ public class FileDataStorageManager implements DataStorageManager {
         c.close();
         return file;
     }
-    
+
     public OCFile getFileByLocalPath(String path) {
         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
         OCFile file = null;
@@ -136,13 +137,18 @@ public class FileDataStorageManager implements DataStorageManager {
         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 
         boolean sameRemotePath = fileExists(file.getRemotePath());
+        boolean changesSizeOfAncestors = false;
         if (sameRemotePath ||
-            fileExists(file.getFileId())        ) {           // for renamed files; no more delete and create
-            
+                fileExists(file.getFileId())        ) {           // for renamed files; no more delete and create
+
+            OCFile oldFile = null;
             if (sameRemotePath) {
-                OCFile oldFile = getFileByPath(file.getRemotePath());
+                oldFile = getFileByPath(file.getRemotePath());
                 file.setFileId(oldFile.getFileId());
+            } else {
+                oldFile = getFileById(file.getFileId());
             }
+            changesSizeOfAncestors = (oldFile.getFileLength() != file.getFileLength());
 
             overriden = true;
             if (getContentResolver() != null) {
@@ -161,6 +167,7 @@ public class FileDataStorageManager implements DataStorageManager {
                 }
             }
         } else {
+            changesSizeOfAncestors = true;
             Uri result_uri = null;
             if (getContentResolver() != null) {
                 result_uri = getContentResolver().insert(
@@ -179,20 +186,28 @@ public class FileDataStorageManager implements DataStorageManager {
                 long new_id = Long.parseLong(result_uri.getPathSegments()
                         .get(1));
                 file.setFileId(new_id);
-            }
+            }            
         }
 
-        if (file.isDirectory() && file.needsUpdatingWhileSaving())
-            for (OCFile f : getDirectoryContent(file))
-                saveFile(f);
-
+        if (file.isDirectory()) {
+            calculateFolderSize(file.getFileId());
+            if (file.needsUpdatingWhileSaving()) {
+                for (OCFile f : getDirectoryContent(file))
+                    saveFile(f);
+            }
+        }
+        
+        if (changesSizeOfAncestors || file.isDirectory()) {
+            updateSizesToTheRoot(file.getParentId());
+        }
+        
         return overriden;
     }
 
 
     @Override
     public void saveFiles(List<OCFile> files) {
-        
+
         Iterator<OCFile> filesIt = files.iterator();
         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(files.size());
         OCFile file = null;
@@ -223,44 +238,44 @@ public class FileDataStorageManager implements DataStorageManager {
                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
                         withValues(cv).
                         withSelection(  ProviderTableMeta._ID + "=?", 
-                                        new String[] { String.valueOf(file.getFileId()) })
-                        .build());
-                
+                                new String[] { String.valueOf(file.getFileId()) })
+                                .build());
+
             } else if (fileExists(file.getFileId())) {
-                    OCFile oldFile = getFileById(file.getFileId());
-                    if (file.getStoragePath() == null && oldFile.getStoragePath() != null)
-                        file.setStoragePath(oldFile.getStoragePath());
-                    if (!file.isDirectory());
-                        cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
+                OCFile oldFile = getFileById(file.getFileId());
+                if (file.getStoragePath() == null && oldFile.getStoragePath() != null)
+                    file.setStoragePath(oldFile.getStoragePath());
+                if (!file.isDirectory());
+                cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
+
+                operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
+                        withValues(cv).
+                        withSelection(  ProviderTableMeta._ID + "=?", 
+                                new String[] { String.valueOf(file.getFileId()) })
+                                .build());
 
-                    operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
-                            withValues(cv).
-                            withSelection(  ProviderTableMeta._ID + "=?", 
-                                            new String[] { String.valueOf(file.getFileId()) })
-                            .build());
-                    
             } else {
                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).withValues(cv).build());
             }
         }
-        
+
         // apply operations in batch
         ContentProviderResult[] results = null;
         try {
             if (getContentResolver() != null) {
                 results = getContentResolver().applyBatch(ProviderMeta.AUTHORITY_FILES, operations);
-            
+
             } else {
                 results = getContentProvider().applyBatch(operations);
             }
-            
+
         } catch (OperationApplicationException e) {
             Log_OC.e(TAG, "Fail to update/insert list of files to database " + e.getMessage());
-            
+
         } catch (RemoteException e) {
             Log_OC.e(TAG, "Fail to update/insert list of files to database " + e.getMessage());
         }
-        
+
         // update new id in file objects for insertions
         if (results != null) {
             long newId;
@@ -279,7 +294,7 @@ public class FileDataStorageManager implements DataStorageManager {
         }
 
     }
-    
+
     public void setAccount(Account account) {
         mAccount = account;
     }
@@ -303,46 +318,56 @@ public class FileDataStorageManager implements DataStorageManager {
     public ContentProviderClient getContentProvider() {
         return mContentProvider;
     }
-
+    
     @Override
     public Vector<OCFile> getDirectoryContent(OCFile f) {
-        Vector<OCFile> ret = new Vector<OCFile>();
         if (f != null && f.isDirectory() && f.getFileId() != -1) {
+            return getDirectoryContent(f.getFileId());
 
-            Uri req_uri = Uri.withAppendedPath(
-                    ProviderTableMeta.CONTENT_URI_DIR,
-                    String.valueOf(f.getFileId()));
-            Cursor c = null;
+        } else {
+            return new Vector<OCFile>();
+        }
+    }
 
-            if (getContentProvider() != null) {
-                try {
-                    c = getContentProvider().query(req_uri, null,
-                            ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
-                            new String[] { mAccount.name }, null);
-                } catch (RemoteException e) {
-                    Log_OC.e(TAG, e.getMessage());
-                    return ret;
-                }
-            } else {
-                c = getContentResolver().query(req_uri, null,
-                        ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
-                        new String[] { mAccount.name }, null);
-            }
+    private Vector<OCFile> getDirectoryContent(long parentId) {
 
-            if (c.moveToFirst()) {
-                do {
-                    OCFile child = createFileInstance(c);
-                    ret.add(child);
-                } while (c.moveToNext());
+        Vector<OCFile> ret = new Vector<OCFile>();
+
+        Uri req_uri = Uri.withAppendedPath(
+                ProviderTableMeta.CONTENT_URI_DIR,
+                String.valueOf(parentId));
+        Cursor c = null;
+
+        if (getContentProvider() != null) {
+            try {
+                c = getContentProvider().query(req_uri, null, 
+                        ProviderTableMeta.FILE_PARENT + "=?" ,
+                        new String[] { String.valueOf(parentId)}, null);
+            } catch (RemoteException e) {
+                Log_OC.e(TAG, e.getMessage());
+                return ret;
             }
+        } else {
+            c = getContentResolver().query(req_uri, null, 
+                    ProviderTableMeta.FILE_PARENT + "=?" ,
+                    new String[] { String.valueOf(parentId)}, null);
+        }
 
-            c.close();
-            
-            Collections.sort(ret);
-            
+        if (c.moveToFirst()) {
+            do {
+                OCFile child = createFileInstance(c);
+                ret.add(child);
+            } while (c.moveToNext());
         }
+
+        c.close();
+
+        Collections.sort(ret);
+
         return ret;
     }
+    
+    
 
     private boolean fileExists(String cmp_key, String value) {
         Cursor c;
@@ -353,7 +378,7 @@ public class FileDataStorageManager implements DataStorageManager {
                             cmp_key + "=? AND "
                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
                                     + "=?",
-                            new String[] { value, mAccount.name }, null);
+                                    new String[] { value, mAccount.name }, null);
         } else {
             try {
                 c = getContentProvider().query(
@@ -361,7 +386,7 @@ public class FileDataStorageManager implements DataStorageManager {
                         null,
                         cmp_key + "=? AND "
                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
-                        new String[] { value, mAccount.name }, null);
+                                new String[] { value, mAccount.name }, null);
             } catch (RemoteException e) {
                 Log_OC.e(TAG,
                         "Couldn't determine file existance, assuming non existance: "
@@ -383,14 +408,14 @@ public class FileDataStorageManager implements DataStorageManager {
                             key + "=? AND "
                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
                                     + "=?",
-                            new String[] { value, mAccount.name }, null);
+                                    new String[] { value, mAccount.name }, null);
         } else {
             try {
                 c = getContentProvider().query(
                         ProviderTableMeta.CONTENT_URI,
                         null,
                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
-                                + "=?", new String[] { value, mAccount.name },
+                        + "=?", new String[] { value, mAccount.name },
                         null);
             } catch (RemoteException e) {
                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
@@ -435,26 +460,26 @@ public class FileDataStorageManager implements DataStorageManager {
             file.setLastSyncDateForData(c.getLong(c.
                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
             file.setKeepInSync(c.getInt(
-                                c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
+                    c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
         }
         return file;
     }
-    
+
     @Override
     public void removeFile(OCFile file, boolean removeLocalCopy) {
         Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, ""+file.getFileId());
         if (getContentProvider() != null) {
             try {
                 getContentProvider().delete(file_uri,
-                                            ProviderTableMeta.FILE_ACCOUNT_OWNER+"=?",
-                                            new String[]{mAccount.name});
+                        ProviderTableMeta.FILE_ACCOUNT_OWNER+"=?",
+                        new String[]{mAccount.name});
             } catch (RemoteException e) {
                 e.printStackTrace();
             }
         } else {
             getContentResolver().delete(file_uri,
-                                        ProviderTableMeta.FILE_ACCOUNT_OWNER+"=?",
-                                        new String[]{mAccount.name});
+                    ProviderTableMeta.FILE_ACCOUNT_OWNER+"=?",
+                    new String[]{mAccount.name});
         }
         if (file.isDown() && removeLocalCopy) {
             new File(file.getStoragePath()).delete();
@@ -465,6 +490,10 @@ public class FileDataStorageManager implements DataStorageManager {
                 f.delete();
             }
         }
+        
+        if (file.getFileLength() > 0) {
+            updateSizesToTheRoot(file.getParentId());
+        }
     }
 
     @Override
@@ -492,10 +521,14 @@ public class FileDataStorageManager implements DataStorageManager {
             if (removeDBData) {
                 removeFile(dir, true);
             }
+            
+            if (dir.getFileLength() > 0) {
+                updateSizesToTheRoot(dir.getParentId());
+            }
         }
     }
-    
-    
+
+
     /**
      * Updates database for a folder that was moved to a different location.
      * 
@@ -505,24 +538,24 @@ public class FileDataStorageManager implements DataStorageManager {
     @Override
     public void moveDirectory(OCFile dir, String newPath) {
         // TODO check newPath
-        
+
         if (dir != null && dir.isDirectory() && dir.fileExists() && !dir.getFileName().equals(OCFile.PATH_SEPARATOR)) {
             /// 1. get all the descendants of 'dir' in a single QUERY (including 'dir')
             Cursor c = null;
             if (getContentProvider() != null) {
                 try {
                     c = getContentProvider().query(ProviderTableMeta.CONTENT_URI, 
-                                                    null,
-                                                    ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + " LIKE ?",
-                                                    new String[] { mAccount.name, dir.getRemotePath() + "%" }, null);
+                            null,
+                            ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + " LIKE ?",
+                            new String[] { mAccount.name, dir.getRemotePath() + "%" }, null);
                 } catch (RemoteException e) {
                     Log_OC.e(TAG, e.getMessage());
                 }
             } else {
                 c = getContentResolver().query(ProviderTableMeta.CONTENT_URI, 
-                                                null,
-                                                ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + " LIKE ?",
-                                                new String[] { mAccount.name, dir.getRemotePath() + "%" }, null);
+                        null,
+                        ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + " LIKE ?",
+                        new String[] { mAccount.name, dir.getRemotePath() + "%" }, null);
             }
 
             /// 2. prepare a batch of update operations to change all the descendants
@@ -539,30 +572,30 @@ public class FileDataStorageManager implements DataStorageManager {
                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, defaultSavePath + newPath + child.getStoragePath().substring(lengthOfOldStoragePath));
                     }
                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
-                                                                        withValues(cv).
-                                                                        withSelection(  ProviderTableMeta._ID + "=?", 
-                                                                                new String[] { String.valueOf(child.getFileId()) })
-                                                                                .build());
+                            withValues(cv).
+                            withSelection(  ProviderTableMeta._ID + "=?", 
+                                    new String[] { String.valueOf(child.getFileId()) })
+                                    .build());
                 } while (c.moveToNext());
             }
             c.close();
-            
+
             /// 3. apply updates in batch
             try {
                 if (getContentResolver() != null) {
                     getContentResolver().applyBatch(ProviderMeta.AUTHORITY_FILES, operations);
-                
+
                 } else {
                     getContentProvider().applyBatch(operations);
                 }
-                
+
             } catch (OperationApplicationException e) {
                 Log_OC.e(TAG, "Fail to update descendants of " + dir.getFileId() + " in database", e);
-                
+
             } catch (RemoteException e) {
                 Log_OC.e(TAG, "Fail to update desendants of " + dir.getFileId() + " in database", e);
             }
-            
+
         }
     }
 
@@ -583,4 +616,65 @@ public class FileDataStorageManager implements DataStorageManager {
         return ret;
     }
 
+    /**
+     * Calculate and save the folderSize on DB
+     * @param id
+     */
+    @Override
+    public void calculateFolderSize(long id) {
+        long folderSize = 0;
+        
+        Vector<OCFile> files = getDirectoryContent(id);
+        
+        for (OCFile f: files)
+        {
+            folderSize = folderSize + f.getFileLength();
+        }
+        
+        updateSize(id, folderSize);
+    }
+
+    /**
+     * Update the size value of an OCFile in DB
+     */
+    private int updateSize(long id, long size) {
+        ContentValues cv = new ContentValues();
+        cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, size);
+        int result = -1;
+        if (getContentResolver() != null) {
+             result = getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, ProviderTableMeta._ID + "=?", 
+                     new String[] { String.valueOf(id) });
+        } else {
+            try {
+                result = getContentProvider().update(ProviderTableMeta.CONTENT_URI, cv, ProviderTableMeta._ID + "=?", 
+                        new String[] { String.valueOf(id) });
+            } catch (RemoteException e) {
+                Log_OC.e(TAG,"Fail to update size column into database " + e.getMessage());
+            }
+        }
+        return result;
+    }
+
+    /** 
+     * Update the size of a subtree of folder from a file to the root
+     * @param parentId: parent of the file
+     */
+    private void updateSizesToTheRoot(long parentId) {
+        
+        OCFile file; 
+
+        while (parentId != 0) {
+            
+            Log_OC.d(TAG, "parent = " + parentId);
+            // Update the size of the parent
+            calculateFolderSize(parentId);
+            
+            // search the next parent
+            file = getFileById(parentId);            
+            parentId = file.getParentId();
+            
+        }              
+        
+    }
+    
 }
diff --git a/src/com/owncloud/android/files/services/FileDownloader.java b/src/com/owncloud/android/files/services/FileDownloader.java
index 1ec5591c..02a8a452 100644
--- a/src/com/owncloud/android/files/services/FileDownloader.java
+++ b/src/com/owncloud/android/files/services/FileDownloader.java
@@ -468,6 +468,7 @@ public class FileDownloader extends Service implements OnDatatransferProgressLis
                 // let the user update credentials with one click
                 Intent updateAccountCredentials = new Intent(this, AuthenticatorActivity.class);
                 updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACCOUNT, download.getAccount());
+                updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ENFORCED_UPDATE, true);
                 updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACTION, AuthenticatorActivity.ACTION_UPDATE_TOKEN);
                 updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                 updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
diff --git a/src/com/owncloud/android/files/services/FileUploader.java b/src/com/owncloud/android/files/services/FileUploader.java
index 2f66e305..e9f445a0 100644
--- a/src/com/owncloud/android/files/services/FileUploader.java
+++ b/src/com/owncloud/android/files/services/FileUploader.java
@@ -795,6 +795,7 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
                 // let the user update credentials with one click
                 Intent updateAccountCredentials = new Intent(this, AuthenticatorActivity.class);
                 updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACCOUNT, upload.getAccount());
+                updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ENFORCED_UPDATE, true);
                 updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACTION, AuthenticatorActivity.ACTION_UPDATE_TOKEN);
                 updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                 updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
diff --git a/src/com/owncloud/android/operations/CreateFolderOperation.java b/src/com/owncloud/android/operations/CreateFolderOperation.java
index 5965db32..03c6868c 100644
--- a/src/com/owncloud/android/operations/CreateFolderOperation.java
+++ b/src/com/owncloud/android/operations/CreateFolderOperation.java
@@ -73,6 +73,7 @@ public class CreateFolderOperation extends RemoteOperation {
                 OCFile newDir = new OCFile(mRemotePath);
                 newDir.setMimetype("DIR");
                 newDir.setParentId(mParentDirId);
+                newDir.setModificationTimestamp(System.currentTimeMillis());
                 mStorageManager.saveFile(newDir);
             }
 
diff --git a/src/com/owncloud/android/syncadapter/FileSyncAdapter.java b/src/com/owncloud/android/syncadapter/FileSyncAdapter.java
index ec8750c0..44fe4014 100644
--- a/src/com/owncloud/android/syncadapter/FileSyncAdapter.java
+++ b/src/com/owncloud/android/syncadapter/FileSyncAdapter.java
@@ -37,6 +37,8 @@ import com.owncloud.android.operations.SynchronizeFolderOperation;
 import com.owncloud.android.operations.UpdateOCVersionOperation;
 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
 import com.owncloud.android.ui.activity.ErrorsWhileCopyingHandlerActivity;
+import com.owncloud.android.utils.FileStorageUtils;
+
 import android.accounts.Account;
 import android.accounts.AccountsException;
 import android.app.Notification;
@@ -263,8 +265,12 @@ public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
             OCFile newFile = files.get(i);
             if (newFile.isDirectory()) {
                 fetchData(newFile.getRemotePath(), newFile.getFileId());
+                
+                // Update folder size on DB
+                getStorageManager().calculateFolderSize(newFile.getFileId());       
             }
         }
+       
         if (mCancellation && i <files.size()) Log_OC.d(TAG, "Leaving synchronization before synchronizing " + files.get(i).getRemotePath() + " because cancelation request");
     }
 
@@ -303,6 +309,7 @@ public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
             // let the user update credentials with one click
             Intent updateAccountCredentials = new Intent(getContext(), AuthenticatorActivity.class);
             updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACCOUNT, getAccount());
+            updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ENFORCED_UPDATE, true);
             updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACTION, AuthenticatorActivity.ACTION_UPDATE_TOKEN);
             updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
             updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
diff --git a/src/com/owncloud/android/ui/activity/AccountSelectActivity.java b/src/com/owncloud/android/ui/activity/AccountSelectActivity.java
index 7428f506..1a1cd51b 100644
--- a/src/com/owncloud/android/ui/activity/AccountSelectActivity.java
+++ b/src/com/owncloud/android/ui/activity/AccountSelectActivity.java
@@ -48,6 +48,7 @@ import com.actionbarsherlock.view.Menu;
 import com.actionbarsherlock.view.MenuInflater;
 import com.actionbarsherlock.view.MenuItem;
 import com.owncloud.android.authentication.AccountAuthenticator;
+import com.owncloud.android.authentication.AuthenticatorActivity;
 import com.owncloud.android.authentication.AccountUtils;
 import com.owncloud.android.Log_OC;
 
@@ -142,11 +143,17 @@ public class AccountSelectActivity extends SherlockListActivity implements
         return false;
     }
 
+    /**
+     * Called when the user clicked on an item into the context menu created at 
+     * {@link #onCreateContextMenu(ContextMenu, View, ContextMenuInfo)} for every
+     * ownCloud {@link Account} , containing 'secondary actions' for them.
+     * 
+     * {@inheritDoc}}
+     */
     @SuppressWarnings("unchecked")
     @Override
     public boolean onContextItemSelected(android.view.MenuItem item) {
-        AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
-                .getMenuInfo();
+        AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
         int index = info.position;
         HashMap<String, String> map = null;
         try {
@@ -158,11 +165,18 @@ public class AccountSelectActivity extends SherlockListActivity implements
         
         String accountName = map.get("NAME");
         AccountManager am = (AccountManager) getSystemService(ACCOUNT_SERVICE);
-        Account accounts[] = am
-                .getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE);
+        Account accounts[] = am.getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE);
         for (Account a : accounts) {
             if (a.name.equals(accountName)) {
-                am.removeAccount(a, this, mHandler);
+                if (item.getItemId() == R.id.change_password) {
+                    Intent updateAccountCredentials = new Intent(this, AuthenticatorActivity.class);
+                    updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACCOUNT, a);
+                    updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACTION, AuthenticatorActivity.ACTION_UPDATE_TOKEN);
+                    startActivity(updateAccountCredentials);
+                    
+                } else if (item.getItemId() == R.id.delete_account) {
+                    am.removeAccount(a, this, mHandler);
+                }
             }
         }
 
diff --git a/src/com/owncloud/android/ui/activity/ConflictsResolveActivity.java b/src/com/owncloud/android/ui/activity/ConflictsResolveActivity.java
index 62c5f46b..61ac8f5f 100644
--- a/src/com/owncloud/android/ui/activity/ConflictsResolveActivity.java
+++ b/src/com/owncloud/android/ui/activity/ConflictsResolveActivity.java
@@ -18,15 +18,15 @@
 
 package com.owncloud.android.ui.activity;
 
-import com.actionbarsherlock.app.SherlockFragmentActivity;
 import com.owncloud.android.Log_OC;
+import com.owncloud.android.datamodel.DataStorageManager;
+import com.owncloud.android.datamodel.FileDataStorageManager;
 import com.owncloud.android.datamodel.OCFile;
 import com.owncloud.android.files.services.FileUploader;
 import com.owncloud.android.ui.dialog.ConflictsResolveDialog;
 import com.owncloud.android.ui.dialog.ConflictsResolveDialog.Decision;
 import com.owncloud.android.ui.dialog.ConflictsResolveDialog.OnConflictDecisionMadeListener;
 
-import android.accounts.Account;
 import android.content.Intent;
 import android.os.Bundle;
 
@@ -35,32 +35,15 @@ import android.os.Bundle;
  * application. 
  * 
  * @author Bartek Przybylski
- *
+ * @author David A. Velasco
  */
-public class ConflictsResolveActivity extends SherlockFragmentActivity implements OnConflictDecisionMadeListener {
-
-    public static final String EXTRA_FILE = "FILE";
-    public static final String EXTRA_ACCOUNT = "ACCOUNT";
+public class ConflictsResolveActivity extends FileActivity implements OnConflictDecisionMadeListener {
 
     private String TAG = ConflictsResolveActivity.class.getSimpleName();
     
-    //private String mRemotePath;
-    
-    //private String mLocalPath;
-    
-    private OCFile mFile;
-    private Account mOCAccount;
-    
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        
-        //mRemotePath = getIntent().getStringExtra("remotepath");
-        //mLocalPath = getIntent().getStringExtra("localpath");
-        mFile = getIntent().getParcelableExtra(EXTRA_FILE);
-        mOCAccount = getIntent().getParcelableExtra(EXTRA_ACCOUNT);
-        ConflictsResolveDialog d = ConflictsResolveDialog.newInstance(mFile.getRemotePath(), this);
-        d.showDialog(this);
     }
 
     @Override
@@ -81,11 +64,40 @@ public class ConflictsResolveActivity extends SherlockFragmentActivity implement
                 Log_OC.wtf(TAG, "Unhandled conflict decision " + decision);
                 return;
         }
-        i.putExtra(FileUploader.KEY_ACCOUNT, mOCAccount);
-        i.putExtra(FileUploader.KEY_FILE, mFile);
+        i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
+        i.putExtra(FileUploader.KEY_FILE, getFile());
         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
         
         startService(i);
         finish();
     }
+
+    @Override
+    protected void onAccountSet(boolean stateWasRecovered) {
+        if (getAccount() != null) {
+            OCFile file = getFile();
+            if (getFile() == null) {
+                Log_OC.e(TAG, "No conflictive file received");
+                finish();
+            } else {
+                /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
+                DataStorageManager storageManager = new FileDataStorageManager(getAccount(), getContentResolver());
+                file = storageManager.getFileByPath(file.getRemotePath());   // file = null if not in the current Account
+                if (file != null) {
+                    setFile(file);
+                    ConflictsResolveDialog d = ConflictsResolveDialog.newInstance(file.getRemotePath(), this);
+                    d.showDialog(this);
+                    
+                } else {
+                    // account was changed to a different one - just finish
+                    finish();
+                }
+            }
+            
+        } else {
+            Log_OC.wtf(TAG, "onAccountChanged was called with NULL account associated!");
+            finish();
+        }
+        
+    }
 }
diff --git a/src/com/owncloud/android/ui/activity/FileActivity.java b/src/com/owncloud/android/ui/activity/FileActivity.java
index cfada45c..a23b3be5 100644
--- a/src/com/owncloud/android/ui/activity/FileActivity.java
+++ b/src/com/owncloud/android/ui/activity/FileActivity.java
@@ -60,9 +60,15 @@ public abstract class FileActivity extends SherlockFragmentActivity {
     /** Flag to signal that the activity will is finishing to enforce the creation of an ownCloud {@link Account} */
     private boolean mRedirectingToSetupAccount = false;
     
+    /** Flag to signal when the value of mAccount was set */ 
+    private boolean mAccountWasSet;
+    
+    /** Flag to signal when the value of mAccount was restored from a saved state */ 
+    private boolean mAccountWasRestored;
 
+    
     /**
-     * Loads the cownCloud {@link Account} and main {@link OCFile} to be handled by the instance of 
+     * Loads the ownCloud {@link Account} and main {@link OCFile} to be handled by the instance of 
      * the {@link FileActivity}.
      * 
      * Grants that a valid ownCloud {@link Account} is associated to the instance, or that the user 
@@ -72,18 +78,16 @@ public abstract class FileActivity extends SherlockFragmentActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        Account account;
         if(savedInstanceState != null) {
+            account = savedInstanceState.getParcelable(FileActivity.EXTRA_ACCOUNT);
             mFile = savedInstanceState.getParcelable(FileActivity.EXTRA_FILE);
-            mAccount = savedInstanceState.getParcelable(FileActivity.EXTRA_ACCOUNT);
         } else {
-            mAccount = getIntent().getParcelableExtra(FileActivity.EXTRA_ACCOUNT);
+            account = getIntent().getParcelableExtra(FileActivity.EXTRA_ACCOUNT);
             mFile = getIntent().getParcelableExtra(FileActivity.EXTRA_FILE);
         }
 
-        grantValidAccount();
-        if (mAccount != null) {
-            onAccountSet(savedInstanceState != null);
-        }
+        setAccount(account, savedInstanceState != null);
     }
 
     
@@ -95,37 +99,75 @@ public abstract class FileActivity extends SherlockFragmentActivity {
     @Override
     protected void onRestart() {
         super.onRestart();
+        boolean validAccount = (mAccount != null && AccountUtils.setCurrentOwnCloudAccount(getApplicationContext(), mAccount.name));
+        if (!validAccount) {
+            swapToDefaultAccount();
+        }
         
-        Account oldAccount = mAccount;
-        grantValidAccount();
-        if (mAccount != null && !mAccount.equals(oldAccount)) {
-            onAccountSet(false);
+    }
+
+    
+    @Override 
+    protected void onStart() {
+        super.onStart();
+        if (mAccountWasSet) {
+            onAccountSet(mAccountWasRestored);
         }
     }
     
-        
+    
     /**
-     *  Validates the ownCloud {@link Account} associated to the Activity any time it is restarted.
+     *  Sets and validates the ownCloud {@link Account} associated to the Activity. 
      * 
      *  If not valid, tries to swap it for other valid and existing ownCloud {@link Account}.
+     *  
+     *  POSTCONDITION: updates {@link #mAccountWasSet} and {@link #mAccountWasRestored}. 
      * 
-     *  If no valid ownCloud {@link Account} exists, mAccount is set to NULL and the user is requested 
-     *  to create a new ownCloud {@link Account}.
+     *  @param account          New {@link Account} to set.
+     *  @param savedAccount     When 'true', account was retrieved from a saved instance state.
      */
-    private void grantValidAccount() {
-        boolean validAccount = (mAccount != null && AccountUtils.setCurrentOwnCloudAccount(getApplicationContext(), mAccount.name));
-        if (!validAccount) {
-            // get most recently used account as default account
-            mAccount = AccountUtils.getCurrentOwnCloudAccount(getApplicationContext());
-            if (mAccount == null) {
-                /// no account available: force account creation
-                createFirstAccount();
-                mRedirectingToSetupAccount = true;
-            }
+    private void setAccount(Account account, boolean savedAccount) {
+        Account oldAccount = mAccount;
+        boolean validAccount = (account != null && AccountUtils.setCurrentOwnCloudAccount(getApplicationContext(), account.name));
+        if (validAccount) {
+            mAccount = account;
+            mAccountWasSet = true;
+            mAccountWasRestored = (savedAccount || mAccount.equals(oldAccount));
+            
+        } else {
+            swapToDefaultAccount();
         }
     }
+
     
-    
+    /**
+     *  Tries to swap the current ownCloud {@link Account} for other valid and existing. 
+     * 
+     *  If no valid ownCloud {@link Account} exists, the the user is requested 
+     *  to create a new ownCloud {@link Account}.
+     *  
+     *  POSTCONDITION: updates {@link #mAccountWasSet} and {@link #mAccountWasRestored}.
+     *   
+     *  @return     'True' if the checked {@link Account} was valid.
+     */
+    private void swapToDefaultAccount() {
+        // default to the most recently used account
+        Account newAccount  = AccountUtils.getCurrentOwnCloudAccount(getApplicationContext());
+        if (newAccount == null) {
+            /// no account available: force account creation
+            createFirstAccount();
+            mRedirectingToSetupAccount = true;
+            mAccountWasSet = false;
+            mAccountWasRestored = false;
+            
+        } else {
+            mAccountWasSet = true;
+            mAccountWasRestored = (newAccount.equals(mAccount));
+            mAccount = newAccount;
+        }
+    }
+
+
     /**
      * Launches the account creation activity. To use when no ownCloud account is available
      */
@@ -203,6 +245,7 @@ public abstract class FileActivity extends SherlockFragmentActivity {
         @Override
         public void run(AccountManagerFuture<Bundle> future) {
             FileActivity.this.mRedirectingToSetupAccount = false;
+            boolean accountWasSet = false;
             if (future != null) {
                 try {
                     Bundle result;
@@ -210,11 +253,11 @@ public abstract class FileActivity extends SherlockFragmentActivity {
                     String name = result.getString(AccountManager.KEY_ACCOUNT_NAME);
                     String type = result.getString(AccountManager.KEY_ACCOUNT_TYPE);
                     if (AccountUtils.setCurrentOwnCloudAccount(getApplicationContext(), name)) {
-                        FileActivity.this.mAccount = new Account(name, type);
-                        FileActivity.this.onAccountSet(false);
+                        setAccount(new Account(name, type), false);
+                        accountWasSet = true;
                     }
                 } catch (OperationCanceledException e) {
-                    Log_OC.e(TAG, "Account creation canceled");
+                    Log_OC.d(TAG, "Account creation canceled");
                     
                 } catch (Exception e) {
                     Log_OC.e(TAG, "Account creation finished in exception: ", e);
@@ -223,8 +266,8 @@ public abstract class FileActivity extends SherlockFragmentActivity {
             } else {
                 Log_OC.e(TAG, "Account creation callback with null bundle");
             }
-            if (mAccount == null) {
-                finish();
+            if (!accountWasSet) {
+                moveTaskToBack(true);
             }
         }
         
diff --git a/src/com/owncloud/android/ui/activity/FileDisplayActivity.java b/src/com/owncloud/android/ui/activity/FileDisplayActivity.java
index 6f6ef3e0..0ce6ccee 100644
--- a/src/com/owncloud/android/ui/activity/FileDisplayActivity.java
+++ b/src/com/owncloud/android/ui/activity/FileDisplayActivity.java
@@ -95,13 +95,13 @@ import com.owncloud.android.ui.preview.PreviewVideoActivity;
  */
 
 public class FileDisplayActivity extends FileActivity implements
-    OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNavigationListener, OnSslValidatorListener, OnRemoteOperationListener, EditNameDialogListener {
-    
+OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNavigationListener, OnSslValidatorListener, OnRemoteOperationListener, EditNameDialogListener {
+
     private ArrayAdapter<String> mDirectories;
 
     /** Access point to the cached database for the current ownCloud {@link Account} */
     private DataStorageManager mStorageManager = null;
-    
+
     private SyncBroadcastReceiver mSyncBroadcastReceiver;
     private UploadFinishReceiver mUploadFinishReceiver;
     private DownloadFinishReceiver mDownloadFinishReceiver;
@@ -109,23 +109,23 @@ public class FileDisplayActivity extends FileActivity implements
     private FileUploaderBinder mUploaderBinder = null;
     private ServiceConnection mDownloadConnection = null, mUploadConnection = null;
     private RemoteOperationResult mLastSslUntrustedServerResult = null;
-    
+
     private boolean mDualPane;
     private View mLeftFragmentContainer;
     private View mRightFragmentContainer;
-    
+
     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
-    
+
     public static final int DIALOG_SHORT_WAIT = 0;
     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
     private static final int DIALOG_SSL_VALIDATOR = 2;
     private static final int DIALOG_CERT_NOT_SAVED = 3;
-    
+
     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
-    
+
     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
-    
+
     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 
     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
@@ -138,9 +138,9 @@ public class FileDisplayActivity extends FileActivity implements
     protected void onCreate(Bundle savedInstanceState) {
         Log_OC.d(TAG, "onCreate() start");
         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
-        
+
         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
-        
+
         mHandler = new Handler();
 
         /// bindings to transference services
@@ -158,7 +158,7 @@ public class FileDisplayActivity extends FileActivity implements
         Intent observer_intent = new Intent(this, FileObserverService.class);
         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
         startService(observer_intent);
-            
+
         /// Load of saved instance state
         if(savedInstanceState != null) {
             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
@@ -166,9 +166,9 @@ public class FileDisplayActivity extends FileActivity implements
         } else {
             mWaitingToPreview = null;
         }
-        
+
         /// USER INTERFACE
-            
+
         // Inflate and set the layout view
         setContentView(R.layout.files);    
         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
@@ -176,31 +176,17 @@ public class FileDisplayActivity extends FileActivity implements
         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
         if (savedInstanceState == null) {
             createMinFragments();
-            if (!isRedirectingToSetupAccount()) {
-                initFragmentsWithFile();
-            }
         }
-        
+
         // Action bar setup
         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
-        OCFile currFile = getFile();
-        if (mStorageManager != null) {
-            while(currFile != null && currFile.getFileName() != OCFile.PATH_SEPARATOR) {
-                if (currFile.isDirectory()) {
-                    mDirectories.add(currFile.getFileName());
-                }
-                currFile = mStorageManager.getFileById(currFile.getParentId());
-            }
-        }
-        mDirectories.add(OCFile.PATH_SEPARATOR);
-        ActionBar actionBar = getSupportActionBar();
-        actionBar.setHomeButtonEnabled(true);   // mandatory since Android ICS, according to the official documentation
-        setSupportProgressBarIndeterminateVisibility(false);        // always AFTER setContentView(...) ; to workaround bug in its implementation
+        getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
+        setSupportProgressBarIndeterminateVisibility(false);    // always AFTER setContentView(...) ; to work around bug in its implementation
         
         Log_OC.d(TAG, "onCreate() end");
     }
 
-    
+
     @Override
     protected void onDestroy() {
         super.onDestroy();
@@ -209,8 +195,8 @@ public class FileDisplayActivity extends FileActivity implements
         if (mUploadConnection != null)
             unbindService(mUploadConnection);
     }
-    
-    
+
+
     /**
      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
      */ 
@@ -218,7 +204,7 @@ public class FileDisplayActivity extends FileActivity implements
     protected void onAccountSet(boolean stateWasRecovered) {
         if (getAccount() != null) {
             mStorageManager = new FileDataStorageManager(getAccount(), getContentResolver());
-            
+
             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
             OCFile file = getFile();
             if (file != null) {
@@ -233,23 +219,34 @@ public class FileDisplayActivity extends FileActivity implements
             }
             if (file == null) {
                 // fall back to root folder
-                file = mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR);  // never should return null
+                file = mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR);  // never returns null
             }
             setFile(file);
-            
-            if (findViewById(android.R.id.content) != null && !stateWasRecovered) {
+            mDirectories.clear();
+            OCFile fileIt = file;
+            while(fileIt != null && fileIt.getFileName() != OCFile.PATH_SEPARATOR) {
+                if (fileIt.isDirectory()) {
+                    mDirectories.add(fileIt.getFileName());
+                }
+                fileIt = mStorageManager.getFileById(fileIt.getParentId());
+            }
+            mDirectories.add(OCFile.PATH_SEPARATOR);
+            if (!stateWasRecovered) {
                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
                 initFragmentsWithFile();
+                
             } else {
-                Log_OC.e(TAG, "Fragment initializacion ignored in onAccountChanged due to lack of CONTENT VIEW");
+                updateFragmentsVisibility(!file.isDirectory());
+                updateNavigationElementsInActionBar(file.isDirectory() ? null : file);
             }
             
+            
         } else {
             Log_OC.wtf(TAG, "onAccountChanged was called with NULL account associated!");
         }
     }
-    
-    
+
+
     private void createMinFragments() {
         OCFileListFragment listOfFiles = new OCFileListFragment();
         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
@@ -259,13 +256,26 @@ public class FileDisplayActivity extends FileActivity implements
 
     private void initFragmentsWithFile() {
         if (getAccount() != null && getFile() != null) {
+            /// First fragment
+            OCFileListFragment listOfFiles = getListOfFilesFragment(); 
+            if (listOfFiles != null) {
+                listOfFiles.listDirectory(getCurrentDir());   
+            } else {
+                Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
+            }
+            
             /// Second fragment
             OCFile file = getFile(); 
             Fragment secondFragment = chooseInitialSecondFragment(file);
             if (secondFragment != null) {
                 setSecondFragment(secondFragment);
+                updateFragmentsVisibility(true);
+                updateNavigationElementsInActionBar(file);
+                
+            } else {
+                cleanSecondFragment();
             }
-            
+
         } else {
             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
             if (getAccount() == null) {
@@ -286,7 +296,7 @@ public class FileDisplayActivity extends FileActivity implements
                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
-                
+
             } else {
                 secondFragment = new FileDetailFragment(file, getAccount());
             }
@@ -294,7 +304,7 @@ public class FileDisplayActivity extends FileActivity implements
         return secondFragment;
     }
 
-    
+
     /**
      * Replaces the second fragment managed by the activity with the received as
      * a parameter.
@@ -308,8 +318,8 @@ public class FileDisplayActivity extends FileActivity implements
         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
         transaction.commit();
     }
-    
-    
+
+
     private void updateFragmentsVisibility(boolean existsSecondFragment) {
         if (mDualPane) {
             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
@@ -318,7 +328,7 @@ public class FileDisplayActivity extends FileActivity implements
             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
                 mRightFragmentContainer.setVisibility(View.VISIBLE);
             }
-            
+
         } else if (existsSecondFragment) {
             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
                 mLeftFragmentContainer.setVisibility(View.GONE);
@@ -326,7 +336,7 @@ public class FileDisplayActivity extends FileActivity implements
             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
                 mRightFragmentContainer.setVisibility(View.VISIBLE);
             }
-            
+
         } else {
             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
@@ -337,7 +347,7 @@ public class FileDisplayActivity extends FileActivity implements
         }
     }
 
-    
+
     private OCFileListFragment getListOfFilesFragment() {
         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
         if (listOfFiles != null) {
@@ -346,7 +356,7 @@ public class FileDisplayActivity extends FileActivity implements
         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
         return null;
     }
-    
+
     protected FileFragment getSecondFragment() {
         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
         if (second != null) {
@@ -361,10 +371,11 @@ public class FileDisplayActivity extends FileActivity implements
             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
             tr.remove(second);
             tr.commit();
-            updateFragmentsVisibility(false);
         }
+        updateFragmentsVisibility(false);
+        updateNavigationElementsInActionBar(null);
     }
-    
+
     protected void refeshListOfFilesFragment() {
         OCFileListFragment fileListFragment = getListOfFilesFragment();
         if (fileListFragment != null) { 
@@ -381,12 +392,12 @@ public class FileDisplayActivity extends FileActivity implements
             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
                 // the user browsed to other file ; forget the automatic preview 
                 mWaitingToPreview = null;
-                
+
             } else if (downloadEvent.equals(FileDownloader.DOWNLOAD_ADDED_MESSAGE)) {
                 // grant that the right panel updates the progress bar
                 detailsFragment.listenForTransferProgress();
                 detailsFragment.updateFileDetails(true, false);
-                
+
             } else if (downloadEvent.equals(FileDownloader.DOWNLOAD_FINISH_MESSAGE)) {
                 //  update the right panel
                 boolean detailsFragmentChanged = false;
@@ -421,35 +432,35 @@ public class FileDisplayActivity extends FileActivity implements
     public boolean onOptionsItemSelected(MenuItem item) {
         boolean retval = true;
         switch (item.getItemId()) {
-            case R.id.action_create_dir: {
-                EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.uploader_info_dirname), "", -1, -1, this);
-                dialog.show(getSupportFragmentManager(), "createdirdialog");
-                break;
-            }
-            case R.id.action_sync_account: {
-                startSynchronization();
-                break;
-            }
-            case R.id.action_upload: {
-                showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
-                break;
-            }
-            case R.id.action_settings: {
-                Intent settingsIntent = new Intent(this, Preferences.class);
-                startActivity(settingsIntent);
-                break;
-            }
-            case android.R.id.home: {
-                FileFragment second = getSecondFragment();
-                OCFile currentDir = getCurrentDir();
-                if((currentDir != null && currentDir.getParentId() != 0) || 
-                        (second != null && second.getFile() != null)) {
-                    onBackPressed(); 
-                }
-                break;
+        case R.id.action_create_dir: {
+            EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.uploader_info_dirname), "", -1, -1, this);
+            dialog.show(getSupportFragmentManager(), "createdirdialog");
+            break;
+        }
+        case R.id.action_sync_account: {
+            startSynchronization();
+            break;
+        }
+        case R.id.action_upload: {
+            showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
+            break;
+        }
+        case R.id.action_settings: {
+            Intent settingsIntent = new Intent(this, Preferences.class);
+            startActivity(settingsIntent);
+            break;
+        }
+        case android.R.id.home: {
+            FileFragment second = getSecondFragment();
+            OCFile currentDir = getCurrentDir();
+            if((currentDir != null && currentDir.getParentId() != 0) || 
+                    (second != null && second.getFile() != null)) {
+                onBackPressed(); 
             }
-            default:
-                retval = super.onOptionsItemSelected(item);
+            break;
+        }
+        default:
+            retval = super.onOptionsItemSelected(item);
         }
         return retval;
     }
@@ -483,13 +494,13 @@ public class FileDisplayActivity extends FileActivity implements
      */
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         super.onActivityResult(requestCode, resultCode, data);
-        
+
         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
             requestSimpleUpload(data, resultCode);
-            
+
         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
             requestMultipleUpload(data, resultCode);
-            
+
         }
     }
 
@@ -515,7 +526,7 @@ public class FileDisplayActivity extends FileActivity implements
             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
             startService(i);
-            
+
         } else {
             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
@@ -537,11 +548,11 @@ public class FileDisplayActivity extends FileActivity implements
                 filepath = selectedImagePath;
             else
                 filepath = filemanagerstring;
-            
+
         } catch (Exception e) {
             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
             e.printStackTrace();
-            
+
         } finally {
             if (filepath == null) {
                 Log_OC.e(TAG, "Couldnt resolve path to file");
@@ -587,7 +598,6 @@ public class FileDisplayActivity extends FileActivity implements
             setFile(listOfFiles.getCurrentFile());
         }
         cleanSecondFragment();
-        updateNavigationElementsInActionBar(null);
     }
 
     @Override
@@ -598,15 +608,7 @@ public class FileDisplayActivity extends FileActivity implements
         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
         Log_OC.d(TAG, "onSaveInstanceState() end");
     }
-    
-    @Override
-    protected void onStart() {
-        super.onStart();
-        FileFragment second = getSecondFragment();
-        updateFragmentsVisibility(second != null);
-        updateNavigationElementsInActionBar((second == null) ? null : second.getFile());
-    }
-    
+
     @Override
     protected void onResume() {
         super.onResume();
@@ -616,28 +618,22 @@ public class FileDisplayActivity extends FileActivity implements
         IntentFilter syncIntentFilter = new IntentFilter(FileSyncService.SYNC_MESSAGE);
         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
-        
+
         // Listen for upload messages
         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
         mUploadFinishReceiver = new UploadFinishReceiver();
         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
-        
+
         // Listen for download messages
         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.DOWNLOAD_ADDED_MESSAGE);
         downloadIntentFilter.addAction(FileDownloader.DOWNLOAD_FINISH_MESSAGE);
         mDownloadFinishReceiver = new DownloadFinishReceiver();
         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
     
-        // List current directory
-        OCFileListFragment listOfFiles = getListOfFilesFragment(); 
-        if (listOfFiles != null) {
-            listOfFiles.listDirectory(getCurrentDir());   // TODO we should find the way to avoid the need of this (maybe it's not necessary yet; to check)
-        }
-    
         Log_OC.d(TAG, "onResume() end");
     }
 
-    
+
     @Override
     protected void onPause() {
         super.onPause();
@@ -654,11 +650,11 @@ public class FileDisplayActivity extends FileActivity implements
             unregisterReceiver(mDownloadFinishReceiver);
             mDownloadFinishReceiver = null;
         }
-        
+
         Log_OC.d(TAG, "onPause() end");
     }
 
-    
+
     @Override
     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
         if (id == DIALOG_SSL_VALIDATOR && mLastSslUntrustedServerResult != null) {
@@ -666,7 +662,7 @@ public class FileDisplayActivity extends FileActivity implements
         }
     }
 
-    
+
     @Override
     protected Dialog onCreateDialog(int id) {
         Dialog dialog = null;
@@ -682,34 +678,34 @@ public class FileDisplayActivity extends FileActivity implements
             break;
         }
         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
-            
+
             String[] items = null;
-            
+
             String[] allTheItems = { getString(R.string.actionbar_upload_files),
-                                     getString(R.string.actionbar_upload_from_apps),
-                                     getString(R.string.actionbar_failed_instant_upload) };
-            
+                    getString(R.string.actionbar_upload_from_apps),
+                    getString(R.string.actionbar_failed_instant_upload) };
+
             String[] commonItems = { getString(R.string.actionbar_upload_files),
-                                     getString(R.string.actionbar_upload_from_apps) };
-            
+                    getString(R.string.actionbar_upload_from_apps) };
+
             if (InstantUploadActivity.IS_ENABLED)
                 items = allTheItems;
             else 
                 items = commonItems;
-            
+
             builder = new AlertDialog.Builder(this);
             builder.setTitle(R.string.actionbar_upload);
             builder.setItems(items, 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
-                        // }
+                            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);
@@ -734,22 +730,22 @@ public class FileDisplayActivity extends FileActivity implements
             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();
-                    };
-                });
+                @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 image to a physical path
      * on the disk
@@ -767,7 +763,7 @@ public class FileDisplayActivity extends FileActivity implements
         } 
         return null;
     }
-    
+
     /**
      * Pushes a directory to the drop down list
      * @param directory to push
@@ -792,29 +788,29 @@ public class FileDisplayActivity extends FileActivity implements
 
     // 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));
             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));
-    
+
             return v;
         }
-    
+
     }
 
     private class SyncBroadcastReceiver extends BroadcastReceiver {
@@ -830,14 +826,14 @@ public class FileDisplayActivity extends FileActivity implements
             Log_OC.d(TAG, "sync of account " + accountName + " is in_progress: " + inProgress);
 
             if (getAccount() != null && accountName.equals(getAccount().name)) {  
-            
+
                 String synchFolderRemotePath = intent.getStringExtra(FileSyncService.SYNC_FOLDER_REMOTE_PATH); 
-                 
+
                 boolean fillBlankRoot = false;
                 OCFile currentDir = getCurrentDir();
                 if (currentDir == null) {
                     currentDir = mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR);
-                    fillBlankRoot = (currentDir != null);
+                    fillBlankRoot = (currentDir != null);                   
                 }
 
                 if ((synchFolderRemotePath != null && currentDir != null && (currentDir.getRemotePath().equals(synchFolderRemotePath)))
@@ -848,14 +844,15 @@ public class FileDisplayActivity extends FileActivity implements
                     if (fileListFragment != null) {
                         fileListFragment.listDirectory(currentDir);
                     }
+                    if (getSecondFragment() == null)
+                        setFile(currentDir);
                 }
-                setFile(currentDir);
                 
                 setSupportProgressBarIndeterminateVisibility(inProgress);
                 removeStickyBroadcast(intent);
-                
+
             }
-            
+
             RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncService.SYNC_RESULT);
             if (synchResult != null) {
                 if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
@@ -865,7 +862,7 @@ public class FileDisplayActivity extends FileActivity implements
             }
         }
     }
-    
+
 
     private class UploadFinishReceiver extends BroadcastReceiver {
         /**
@@ -884,10 +881,10 @@ public class FileDisplayActivity extends FileActivity implements
                 refeshListOfFilesFragment();
             }
         }
-        
+
     }
-    
-    
+
+
     /**
      * Class waiting for broadcast events from the {@link FielDownloader} service.
      * 
@@ -900,12 +897,12 @@ public class FileDisplayActivity extends FileActivity implements
             boolean sameAccount = isSameAccount(context, intent);
             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
             boolean isDescendant = isDescendant(downloadedRemotePath);
-            
+
             if (sameAccount && isDescendant) {
                 refeshListOfFilesFragment();
                 refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
             }
-            
+
             removeStickyBroadcast(intent);
         }
 
@@ -919,8 +916,8 @@ public class FileDisplayActivity extends FileActivity implements
             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
         }
     }
-    
-    
+
+
     /**
      * {@inheritDoc}
      */
@@ -928,7 +925,7 @@ public class FileDisplayActivity extends FileActivity implements
     public DataStorageManager getStorageManager() {
         return mStorageManager;
     }
-    
+
 
     /**
      * {@inheritDoc}
@@ -939,9 +936,8 @@ public class FileDisplayActivity extends FileActivity implements
     public void onBrowsedDownTo(OCFile directory) {
         pushDirname(directory);
         cleanSecondFragment();
-        updateNavigationElementsInActionBar(null);
     }
-    
+
     /**
      * Opens the image gallery showing the image {@link OCFile} received as parameter.
      * 
@@ -954,7 +950,7 @@ public class FileDisplayActivity extends FileActivity implements
         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
         startActivity(showDetailsIntent);
     }
-    
+
     /**
      * Stars the preview of an already down media {@link OCFile}.
      * 
@@ -970,7 +966,7 @@ public class FileDisplayActivity extends FileActivity implements
         updateNavigationElementsInActionBar(file);
         setFile(file);
     }
-    
+
     /**
      * Requests the download of the received {@link OCFile} , updates the UI
      * to monitor the download progress and prepares the activity to preview
@@ -989,7 +985,7 @@ public class FileDisplayActivity extends FileActivity implements
         setFile(file);
     }
 
-    
+
     /**
      * Shows the information of the {@link OCFile} received as a 
      * parameter in the second fragment.
@@ -1004,39 +1000,30 @@ public class FileDisplayActivity extends FileActivity implements
         updateNavigationElementsInActionBar(file);
         setFile(file);
     }
-    
-    
+
+
     /**
      * TODO
      */
-    private void updateNavigationElementsInActionBar(OCFile currentFile) {
+    private void updateNavigationElementsInActionBar(OCFile chosenFile) {
         ActionBar actionBar = getSupportActionBar(); 
-        if (currentFile == null || mDualPane) {
+        if (chosenFile == null || mDualPane) {
             // only list of files - set for browsing through folders
             OCFile currentDir = getCurrentDir();
             actionBar.setDisplayHomeAsUpEnabled(currentDir != null && currentDir.getParentId() != 0);
             actionBar.setDisplayShowTitleEnabled(false);
             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
-            
+
         } else {
             actionBar.setDisplayHomeAsUpEnabled(true);
             actionBar.setDisplayShowTitleEnabled(true);
-            actionBar.setTitle(currentFile.getFileName());
+            actionBar.setTitle(chosenFile.getFileName());
             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
         }
     }
-    
-    
-    /**
-     * {@inheritDoc}
-     */
-    @Override
-    public OCFile getInitialDirectory() {
-        return getCurrentDir();
-    }
-    
-    
+
+
     /**
      * {@inheritDoc}
      */
@@ -1046,7 +1033,7 @@ public class FileDisplayActivity extends FileActivity implements
         updateNavigationElementsInActionBar(getSecondFragment().getFile());
     }
 
-    
+
     /**
      * {@inheritDoc}
      */
@@ -1055,7 +1042,7 @@ public class FileDisplayActivity extends FileActivity implements
         return mDownloaderBinder;
     }
 
-    
+
     /**
      * {@inheritDoc}
      */
@@ -1063,8 +1050,8 @@ public class FileDisplayActivity extends FileActivity implements
     public FileUploaderBinder getFileUploaderBinder() {
         return mUploaderBinder;
     }
-    
-    
+
+
     /** Defines callbacks for service binding, passed to bindService() */
     private class ListServiceConnection implements ServiceConnection {
 
@@ -1076,7 +1063,7 @@ public class FileDisplayActivity extends FileActivity implements
                 if (mWaitingToPreview != null) {
                     requestForDownload();
                 }
-                
+
             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
                 Log_OC.d(TAG, "Upload service connected");
                 mUploaderBinder = (FileUploaderBinder) service;
@@ -1108,8 +1095,8 @@ public class FileDisplayActivity extends FileActivity implements
         }
     };    
 
-    
-    
+
+
     /**
      * Launch an intent to request the PIN code to the user before letting him use the app
      */
@@ -1148,10 +1135,10 @@ public class FileDisplayActivity extends FileActivity implements
     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
         if (operation instanceof RemoveFileOperation) {
             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
-                
+
         } else if (operation instanceof RenameFileOperation) {
             onRenameFileOperationFinish((RenameFileOperation)operation, result);
-            
+
         } else if (operation instanceof SynchronizeFileOperation) {
             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 
@@ -1182,7 +1169,7 @@ public class FileDisplayActivity extends FileActivity implements
             if (mStorageManager.getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
                 refeshListOfFilesFragment();
             }
-                
+
         } else {
             Toast msg = Toast.makeText(this, R.string.remove_fail_msg, Toast.LENGTH_LONG); 
             msg.show();
@@ -1203,20 +1190,20 @@ public class FileDisplayActivity extends FileActivity implements
         if (result.isSuccess()) {
             dismissDialog(DIALOG_SHORT_WAIT);
             refeshListOfFilesFragment();
-            
+
         } else {
             dismissDialog(DIALOG_SHORT_WAIT);
             try {
                 Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG); 
                 msg.show();
-                    
+
             } catch (NotFoundException e) {
                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
             }
         }
     }
-    
-    
+
+
     /**
      * Updates the view associated to the activity after the finish of an operation trying to rename a 
      * file. 
@@ -1237,7 +1224,7 @@ public class FileDisplayActivity extends FileActivity implements
             if (mStorageManager.getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
                 refeshListOfFilesFragment();
             }
-            
+
         } else {
             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
                 Toast msg = Toast.makeText(this, R.string.rename_local_fail_msg, Toast.LENGTH_LONG); 
@@ -1264,17 +1251,17 @@ public class FileDisplayActivity extends FileActivity implements
                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
                 startActivity(i);
-                
+
             } else {
                 Toast msg = Toast.makeText(this, R.string.sync_file_fail_msg, Toast.LENGTH_LONG); 
                 msg.show();
             }
-            
+
         } else {
             if (operation.transferWasRequested()) {
                 refeshListOfFilesFragment();
                 onTransferStateChanged(syncedFile, true, true);
-                
+
             } else {
                 Toast msg = Toast.makeText(this, R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG); 
                 msg.show();
@@ -1307,22 +1294,22 @@ public class FileDisplayActivity extends FileActivity implements
             Log_OC.d(TAG, "'create directory' dialog dismissed with new name " + newDirectoryName);
             if (newDirectoryName.length() > 0) {
                 String path = getCurrentDir().getRemotePath();
-                
+
                 // Create directory
                 path += newDirectoryName + OCFile.PATH_SEPARATOR;
                 RemoteOperation operation = new CreateFolderOperation(path, getCurrentDir().getFileId(), mStorageManager);
                 operation.execute(  getAccount(), 
-                                    FileDisplayActivity.this, 
-                                    FileDisplayActivity.this, 
-                                    mHandler,
-                                    FileDisplayActivity.this);
-                
+                        FileDisplayActivity.this, 
+                        FileDisplayActivity.this, 
+                        mHandler,
+                        FileDisplayActivity.this);
+
                 showDialog(DIALOG_SHORT_WAIT);
             }
         }
     }
-    
-    
+
+
     private void requestForDownload() {
         Account account = getAccount();
         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
@@ -1332,19 +1319,18 @@ public class FileDisplayActivity extends FileActivity implements
             startService(i);
         }
     }
-    
-    
+
+
     private OCFile getCurrentDir() {
         OCFile file = getFile();
         if (file != null) {
             if (file.isDirectory()) {
                 return file;
-            } else {
+            } else if (mStorageManager != null) {
                 return mStorageManager.getFileById(file.getParentId());
             }
-        } else {
-            return null;
         }
+        return null;
     }
 
 }
diff --git a/src/com/owncloud/android/ui/activity/UploadFilesActivity.java b/src/com/owncloud/android/ui/activity/UploadFilesActivity.java
index 16e05f89..a6031cdb 100644
--- a/src/com/owncloud/android/ui/activity/UploadFilesActivity.java
+++ b/src/com/owncloud/android/ui/activity/UploadFilesActivity.java
@@ -34,7 +34,6 @@ import android.widget.TextView;
 
 import com.actionbarsherlock.app.ActionBar;
 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
-import com.actionbarsherlock.app.SherlockFragmentActivity;
 import com.actionbarsherlock.view.MenuItem;
 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
 import com.owncloud.android.ui.fragment.ConfirmationDialogFragment;
@@ -53,7 +52,7 @@ import com.owncloud.android.R;
  * 
  */
 
-public class UploadFilesActivity extends SherlockFragmentActivity implements
+public class UploadFilesActivity extends FileActivity implements
     LocalFileListFragment.ContainerActivity, OnNavigationListener, OnClickListener, ConfirmationDialogFragmentListener {
     
     private ArrayAdapter<String> mDirectories;
@@ -61,10 +60,9 @@ public class UploadFilesActivity extends SherlockFragmentActivity implements
     private LocalFileListFragment mFileListFragment;
     private Button mCancelBtn;
     private Button mUploadBtn;
-    private Account mAccount;
+    private Account mAccountOnCreation;
     private DialogFragment mCurrentDialog;
     
-    public static final String EXTRA_ACCOUNT = UploadFilesActivity.class.getCanonicalName() + ".EXTRA_ACCOUNT";
     public static final String EXTRA_CHOSEN_FILES = UploadFilesActivity.class.getCanonicalName() + ".EXTRA_CHOSEN_FILES";
 
     public static final int RESULT_OK_AND_MOVE = RESULT_FIRST_USER; 
@@ -86,7 +84,7 @@ public class UploadFilesActivity extends SherlockFragmentActivity implements
             mCurrentDir = Environment.getExternalStorageDirectory();
         }
         
-        mAccount = getIntent().getParcelableExtra(EXTRA_ACCOUNT);
+        mAccountOnCreation = getAccount();
                 
         /// USER INTERFACE
             
@@ -318,7 +316,7 @@ public class UploadFilesActivity extends SherlockFragmentActivity implements
                 File localFile = new File(localPath);
                 total += localFile.length();
             }
-            return (FileStorageUtils.getUsableSpace(mAccount.name) >= total);
+            return (FileStorageUtils.getUsableSpace(mAccountOnCreation.name) >= total);
         }
 
         /**
@@ -374,6 +372,22 @@ public class UploadFilesActivity extends SherlockFragmentActivity implements
     public void onCancel(String callerTag) {
         /// nothing to do; don't finish, let the user change the selection
         Log_OC.d(TAG, "Negative button in dialog was clicked; dialog tag is " + callerTag);
+    }
+
+
+    @Override
+    protected void onAccountSet(boolean stateWasRecovered) {
+        if (getAccount() != null) {
+            if (!mAccountOnCreation.equals(getAccount())) {
+                setResult(RESULT_CANCELED);
+                finish();
+            }
+            
+        } else {
+            Log_OC.wtf(TAG, "onAccountChanged was called with NULL account associated!");
+            setResult(RESULT_CANCELED);
+            finish();
+        }
     }    
 
     
diff --git a/src/com/owncloud/android/ui/adapter/FileListListAdapter.java b/src/com/owncloud/android/ui/adapter/FileListListAdapter.java
index f678a934..3e8eecd5 100644
--- a/src/com/owncloud/android/ui/adapter/FileListListAdapter.java
+++ b/src/com/owncloud/android/ui/adapter/FileListListAdapter.java
@@ -1,260 +1,212 @@
-
-/* ownCloud Android client application
- *   Copyright (C) 2011  Bartek Przybylski
- *   Copyright (C) 2012-2013 ownCloud Inc.
- *
- *   This program is free software: you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License as published by
- *   the Free Software Foundation, either version 2 of the License, or
- *   (at your option) any later version.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.owncloud.android.ui.adapter;
-
-import java.util.Vector;
-
-import android.accounts.Account;
-import android.content.Context;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.BaseAdapter;
-import android.widget.ImageView;
-import android.widget.ListAdapter;
-import android.widget.ListView;
-import android.widget.TextView;
-
-import com.owncloud.android.DisplayUtils;
-import com.owncloud.android.R;
-import com.owncloud.android.authentication.AccountUtils;
-import com.owncloud.android.datamodel.DataStorageManager;
-import com.owncloud.android.datamodel.OCFile;
-import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
-import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
-import com.owncloud.android.ui.activity.TransferServiceGetter;
-
-/**
- * This Adapter populates a ListView with all files and folders in an ownCloud
- * instance.
- * 
- * @author Bartek Przybylski
- * 
- */
-public class FileListListAdapter extends BaseAdapter implements ListAdapter {
-    private Context mContext;
-    private OCFile mFile = null;
-    private Vector<OCFile> mFiles = null;
-    private DataStorageManager mStorageManager;
-    private Account mAccount;
-    private TransferServiceGetter mTransferServiceGetter;
-    //total size of a directory (recursive)
-    private Long totalSizeOfDirectoriesRecursive = null;
-    private Long lastModifiedOfAllSubdirectories = null;
-    
-    public FileListListAdapter(OCFile file, DataStorageManager storage_man,
-            Context context, TransferServiceGetter transferServiceGetter) {
-        mStorageManager = storage_man;
-        mContext = context;
-        mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
-        mTransferServiceGetter = transferServiceGetter;
-        swapDirectory(file, mStorageManager);
-        /*mFile = file;
-        mFiles = mStorageManager.getDirectoryContent(mFile);*/
-    }
-
-    @Override
-    public boolean areAllItemsEnabled() {
-        return true;
-    }
-
-    @Override
-    public boolean isEnabled(int position) {
-        return true;
-    }
-
-    @Override
-    public int getCount() {
-        return mFiles != null ? mFiles.size() : 0;
-    }
-
-    @Override
-    public Object getItem(int position) {
-        if (mFiles == null || mFiles.size() <= position)
-            return null;
-        return mFiles.get(position);
-    }
-
-    @Override
-    public long getItemId(int position) {
-        if (mFiles == null || mFiles.size() <= position)
-            return 0;
-        return mFiles.get(position).getFileId();
-    }
-
-    @Override
-    public int getItemViewType(int position) {
-        return 0;
-    }
-
-    @Override
-    public View getView(int position, View convertView, ViewGroup parent) {
-        View view = convertView;
-        if (view == null) {
-            LayoutInflater inflator = (LayoutInflater) mContext
-                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-            view = inflator.inflate(R.layout.list_item, null);
-        }
-        if (mFiles != null && mFiles.size() > position) {
-            OCFile file = mFiles.get(position);
-            TextView fileName = (TextView) view.findViewById(R.id.Filename);
-            String name = file.getFileName();
-
-            fileName.setText(name);
-            ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1);
-            fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype()));
-            ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
-            FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
-            FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
-            if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
-                localStateView.setImageResource(R.drawable.downloading_file_indicator);
-                localStateView.setVisibility(View.VISIBLE);
-            } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
-                localStateView.setImageResource(R.drawable.uploading_file_indicator);
-                localStateView.setVisibility(View.VISIBLE);
-            } else if (file.isDown()) {
-                localStateView.setImageResource(R.drawable.local_file_indicator);
-                localStateView.setVisibility(View.VISIBLE);
-            } else {
-                localStateView.setVisibility(View.INVISIBLE);
-            }
-
-            
-            TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
-            TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
-            ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
-            
-            if (!file.isDirectory()) {
-                fileSizeV.setVisibility(View.VISIBLE);
-                fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
-                lastModV.setVisibility(View.VISIBLE);
-                lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
-                // this if-else is needed even thoe fav icon is visible by default
-                // because android reuses views in listview
-                if (!file.keepInSync()) {
-                    view.findViewById(R.id.imageView3).setVisibility(View.GONE);
-                } else {
-                    view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
-                }
-                
-                ListView parentList = (ListView)parent;
-                if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) { 
-                    checkBoxV.setVisibility(View.GONE);
-                } else {
-                    if (parentList.isItemChecked(position)) {
-                        checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
-                    } else {
-                        checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
-                    }
-                    checkBoxV.setVisibility(View.VISIBLE);
-                }
-                
-            } 
-            else {
-               
-               getDirectorySizeNumber(file,true);
-               if (lastModifiedOfAllSubdirectories == null)
-               {
-                   lastModV.setVisibility(View.GONE);
-                   fileSizeV.setVisibility(View.GONE);
-               }
-               else
-               {
-                   lastModV.setVisibility(View.VISIBLE);
-                   lastModV.setText(DisplayUtils.unixTimeToHumanReadable(lastModifiedOfAllSubdirectories));
-                   fileSizeV.setVisibility(View.VISIBLE);
-                   fileSizeV.setText(DisplayUtils.bytesToHumanReadable((totalSizeOfDirectoriesRecursive == null) ? 0 : totalSizeOfDirectoriesRecursive));
-               }
-               checkBoxV.setVisibility(View.GONE);
-               view.findViewById(R.id.imageView3).setVisibility(View.GONE);
-            }
-        }
-
-        return view;
-    }
-
-    
-    /**
-     * - This method counts recursively all subdirectories and their files from the root directory. 
-     * - It also shows a timestamp of the last modificated file inside the root directory
-     * 
-     *   @param OCFile  : startDirectory
-     *   @param boolean :  counting starts from here ?
-     */
-    private void getDirectorySizeNumber(OCFile directory,boolean startOfRecursive) {
-        if (startOfRecursive) {
-            totalSizeOfDirectoriesRecursive = null;
-        }
-        Vector<OCFile> files  = mStorageManager.getDirectoryContent(directory);
-        for (OCFile file : files) {
-            if(!file.isDirectory()) {
-                if (totalSizeOfDirectoriesRecursive == null) {
-                    totalSizeOfDirectoriesRecursive = file.getFileLength();
-                    lastModifiedOfAllSubdirectories = file.getModificationTimestamp();
-                    continue;
-                }
-                
-                totalSizeOfDirectoriesRecursive += file.getFileLength();
-                if (lastModifiedOfAllSubdirectories < file.getModificationTimestamp()) {
-                    lastModifiedOfAllSubdirectories = file.getModificationTimestamp();
-                }
-            }
-            else {
-                this.getDirectorySizeNumber(file, false);
-            }
-        }
-    }
-    
-    
-    @Override
-    public int getViewTypeCount() {
-        return 1;
-    }
-
-    @Override
-    public boolean hasStableIds() {
-        return true;
-    }
-
-    @Override
-    public boolean isEmpty() {
-        return (mFiles == null || mFiles.isEmpty());
-    }
-
-    /**
-     * Change the adapted directory for a new one
-     * @param directory                 New file to adapt. Can be NULL, meaning "no content to adapt".
-     * @param updatedStorageManager     Optional updated storage manager; used to replace mStorageManager if is different (and not NULL)
-     */
-    public void swapDirectory(OCFile directory, DataStorageManager updatedStorageManager) {
-        mFile = directory;
-        if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
-            mStorageManager = updatedStorageManager;
-            mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
-        }
-        if (mStorageManager != null) {
-            mFiles = mStorageManager.getDirectoryContent(mFile);
-        } else {
-            mFiles = null;
-        }
-        notifyDataSetChanged();
-    }
-    
-}
\ No newline at end of file
+/* ownCloud Android client application
+ *   Copyright (C) 2011  Bartek Przybylski
+ *   Copyright (C) 2012-2013 ownCloud Inc.
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License version 2,
+ *   as published by the Free Software Foundation.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package com.owncloud.android.ui.adapter;
+
+import android.accounts.Account;
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ImageView;
+import android.widget.ListAdapter;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import com.owncloud.android.DisplayUtils;
+import com.owncloud.android.R;
+import com.owncloud.android.authentication.AccountUtils;
+import com.owncloud.android.datamodel.DataStorageManager;
+import com.owncloud.android.datamodel.OCFile;
+import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
+import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
+import com.owncloud.android.ui.activity.TransferServiceGetter;
+
+import java.util.Vector;
+
+
+/**
+ * This Adapter populates a ListView with all files and folders in an ownCloud
+ * instance.
+ * 
+ * @author Bartek Przybylski
+ * 
+ */
+public class FileListListAdapter extends BaseAdapter implements ListAdapter {
+    private Context mContext;
+    private OCFile mFile = null;
+    private Vector<OCFile> mFiles = null;
+    private DataStorageManager mStorageManager;
+    private Account mAccount;
+    private TransferServiceGetter mTransferServiceGetter;
+    //total size of a directory (recursive)
+    private Long totalSizeOfDirectoriesRecursive = null;
+    private Long lastModifiedOfAllSubdirectories = null;
+    
+    public FileListListAdapter(Context context, TransferServiceGetter transferServiceGetter) {
+        mContext = context;
+        mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
+        mTransferServiceGetter = transferServiceGetter;
+    }
+
+    @Override
+    public boolean areAllItemsEnabled() {
+        return true;
+    }
+
+    @Override
+    public boolean isEnabled(int position) {
+        return true;
+    }
+
+    @Override
+    public int getCount() {
+        return mFiles != null ? mFiles.size() : 0;
+    }
+
+    @Override
+    public Object getItem(int position) {
+        if (mFiles == null || mFiles.size() <= position)
+            return null;
+        return mFiles.get(position);
+    }
+
+    @Override
+    public long getItemId(int position) {
+        if (mFiles == null || mFiles.size() <= position)
+            return 0;
+        return mFiles.get(position).getFileId();
+    }
+
+    @Override
+    public int getItemViewType(int position) {
+        return 0;
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        View view = convertView;
+        if (view == null) {
+            LayoutInflater inflator = (LayoutInflater) mContext
+                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+            view = inflator.inflate(R.layout.list_item, null);
+        }
+    
+        if (mFiles != null && mFiles.size() > position) {
+            OCFile file = mFiles.get(position);
+            TextView fileName = (TextView) view.findViewById(R.id.Filename);
+            String name = file.getFileName();
+
+            fileName.setText(name);
+            ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1);
+            fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype()));
+            ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
+            FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
+            FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
+            if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
+                localStateView.setImageResource(R.drawable.downloading_file_indicator);
+                localStateView.setVisibility(View.VISIBLE);
+            } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
+                localStateView.setImageResource(R.drawable.uploading_file_indicator);
+                localStateView.setVisibility(View.VISIBLE);
+            } else if (file.isDown()) {
+                localStateView.setImageResource(R.drawable.local_file_indicator);
+                localStateView.setVisibility(View.VISIBLE);
+            } else {
+                localStateView.setVisibility(View.INVISIBLE);
+            }
+            
+            TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
+            TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
+            ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
+            
+            if (!file.isDirectory()) {
+                fileSizeV.setVisibility(View.VISIBLE);
+                fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
+                lastModV.setVisibility(View.VISIBLE);
+                lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
+                // this if-else is needed even thoe fav icon is visible by default
+                // because android reuses views in listview
+                if (!file.keepInSync()) {
+                    view.findViewById(R.id.imageView3).setVisibility(View.GONE);
+                } else {
+                    view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
+                }
+                
+                ListView parentList = (ListView)parent;
+                if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) { 
+                    checkBoxV.setVisibility(View.GONE);
+                } else {
+                    if (parentList.isItemChecked(position)) {
+                        checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
+                    } else {
+                        checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
+                    }
+                    checkBoxV.setVisibility(View.VISIBLE);
+                }
+                
+            } 
+            else {
+                
+                fileSizeV.setVisibility(View.VISIBLE);
+                fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
+                lastModV.setVisibility(View.VISIBLE);
+                lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
+               checkBoxV.setVisibility(View.GONE);
+               view.findViewById(R.id.imageView3).setVisibility(View.GONE);
+            }
+        }
+
+        return view;
+    }
+
+    @Override
+    public int getViewTypeCount() {
+        return 1;
+    }
+
+    @Override
+    public boolean hasStableIds() {
+        return true;
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return (mFiles == null || mFiles.isEmpty());
+    }
+
+    /**
+     * Change the adapted directory for a new one
+     * @param directory                 New file to adapt. Can be NULL, meaning "no content to adapt".
+     * @param updatedStorageManager     Optional updated storage manager; used to replace mStorageManager if is different (and not NULL)
+     */
+    public void swapDirectory(OCFile directory, DataStorageManager updatedStorageManager) {
+        mFile = directory;
+        if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
+            mStorageManager = updatedStorageManager;
+            mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
+        }
+        if (mStorageManager != null) {
+            mFiles = mStorageManager.getDirectoryContent(mFile);
+        } else {
+            mFiles = null;
+        }
+        notifyDataSetChanged();
+    }
+    
+}
diff --git a/src/com/owncloud/android/ui/fragment/OCFileListFragment.java b/src/com/owncloud/android/ui/fragment/OCFileListFragment.java
index b05e801c..c6744422 100644
--- a/src/com/owncloud/android/ui/fragment/OCFileListFragment.java
+++ b/src/com/owncloud/android/ui/fragment/OCFileListFragment.java
@@ -63,6 +63,9 @@ import android.widget.AdapterView.AdapterContextMenuInfo;
 public class OCFileListFragment extends ExtendedListFragment implements EditNameDialogListener, ConfirmationDialogFragmentListener {
     
     private static final String TAG = OCFileListFragment.class.getSimpleName();
+
+    private static final String MY_PACKAGE = OCFileListFragment.class.getPackage() != null ? OCFileListFragment.class.getPackage().getName() : "com.owncloud.android.ui.fragment";
+    private static final String EXTRA_FILE = MY_PACKAGE + ".extra.FILE";
     
     private OCFileListFragment.ContainerActivity mContainerActivity;
     
@@ -94,15 +97,28 @@ public class OCFileListFragment extends ExtendedListFragment implements EditName
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
         Log_OC.e(TAG, "onActivityCreated() start");
-        mAdapter = new FileListListAdapter(mContainerActivity.getInitialDirectory(), mContainerActivity.getStorageManager(), getActivity(), mContainerActivity);
+        mAdapter = new FileListListAdapter(getActivity(), mContainerActivity);
+        if (savedInstanceState != null) {
+            mFile = savedInstanceState.getParcelable(EXTRA_FILE);
+        }
         setListAdapter(mAdapter);
         
         registerForContextMenu(getListView());
         getListView().setOnCreateContextMenuListener(this);        
         
         mHandler = new Handler();
+
     }
     
+    /**
+     * Saves the current listed folder.
+     */
+    @Override
+    public void onSaveInstanceState (Bundle outState) {
+        super.onSaveInstanceState(outState);
+        outState.putParcelable(EXTRA_FILE, mFile);
+    }
+
 
     /**
      * Call this, when the user presses the up button
@@ -124,7 +140,6 @@ public class OCFileListFragment extends ExtendedListFragment implements EditName
         if (file != null) {
             if (file.isDirectory()) { 
                 // update state and view of this fragment
-                mFile = file;
                 listDirectory(file);
                 // then, notify parent activity to let it update its state and view, and other fragments
                 mContainerActivity.onBrowsedDownTo(file);
@@ -356,6 +371,7 @@ public class OCFileListFragment extends ExtendedListFragment implements EditName
                 mList.setSelectionFromTop(0, 0);
             }
             mFile = directory;
+
         }
     }
     
@@ -388,14 +404,6 @@ public class OCFileListFragment extends ExtendedListFragment implements EditName
         
         
         /**
-         * Callback method invoked when the parent activity is fully created to get the directory to list firstly.
-         * 
-         * @return  Directory to list firstly. Can be NULL.
-         */
-        public OCFile getInitialDirectory();
-        
-        
-        /**
          * Callback method invoked when a the 'transfer state' of a file changes.
          * 
          * This happens when a download or upload is started or ended for a file.
diff --git a/src/com/owncloud/android/ui/preview/PreviewImageActivity.java b/src/com/owncloud/android/ui/preview/PreviewImageActivity.java
index 1c1e0f60..0a603050 100644
--- a/src/com/owncloud/android/ui/preview/PreviewImageActivity.java
+++ b/src/com/owncloud/android/ui/preview/PreviewImageActivity.java
@@ -16,7 +16,6 @@
  */
 package com.owncloud.android.ui.preview;
 
-import android.accounts.Account;
 import android.app.Dialog;
 import android.app.ProgressDialog;
 import android.content.BroadcastReceiver;
@@ -33,7 +32,6 @@ import android.view.View;
 import android.view.View.OnTouchListener;
 
 import com.actionbarsherlock.app.ActionBar;
-import com.actionbarsherlock.app.SherlockFragmentActivity;
 import com.actionbarsherlock.view.MenuItem;
 import com.actionbarsherlock.view.Window;
 import com.owncloud.android.authentication.AccountUtils;
@@ -52,7 +50,7 @@ import com.owncloud.android.Log_OC;
 import com.owncloud.android.R;
 
 /**
- *  Used as an utility to preview image files contained in an ownCloud account.
+ *  Holds a swiping galley where image files contained in an ownCloud directory are shown
  *  
  *  @author David A. Velasco
  */
@@ -65,9 +63,6 @@ public class PreviewImageActivity extends FileActivity implements FileFragment.C
     public static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
     private static final String KEY_WAITING_FOR_BINDER = "WAITING_FOR_BINDER";
     
-    private OCFile mFile;
-    private OCFile mParentFolder;  
-    private Account mAccount;
     private DataStorageManager mStorageManager;
     
     private ViewPager mViewPager; 
@@ -88,53 +83,35 @@ public class PreviewImageActivity extends FileActivity implements FileFragment.C
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        mFile = getIntent().getParcelableExtra(FileActivity.EXTRA_FILE);
-        mAccount = getIntent().getParcelableExtra(FileActivity.EXTRA_ACCOUNT);
-        if (mFile == null) {
-            throw new IllegalStateException("Instanced with a NULL OCFile");
-        }
-        if (mAccount == null) {
-            throw new IllegalStateException("Instanced with a NULL ownCloud Account");
-        }
-        if (!mFile.isImage()) {
-            throw new IllegalArgumentException("Non-image file passed as argument");
-        }
         requestWindowFeature(Window.FEATURE_ACTION_BAR_OVERLAY);
         setContentView(R.layout.preview_image_activity);
-    
+        
         ActionBar actionBar = getSupportActionBar();
         actionBar.setDisplayHomeAsUpEnabled(true);
-        actionBar.setTitle(mFile.getFileName());
         actionBar.hide();
         
         mFullScreen = true;
-        
-        mStorageManager = new FileDataStorageManager(mAccount, getContentResolver());
-        mParentFolder = mStorageManager.getFileById(mFile.getParentId());
-        if (mParentFolder == null) {
-            // should not be necessary
-            mParentFolder = mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR);
-        }
-
         if (savedInstanceState != null) {
             mRequestWaitingForBinder = savedInstanceState.getBoolean(KEY_WAITING_FOR_BINDER);
         } else {
             mRequestWaitingForBinder = false;
         }
-        
-        createViewPager();
-
     }
 
-    private void createViewPager() {
-        mPreviewImagePagerAdapter = new PreviewImagePagerAdapter(getSupportFragmentManager(), mParentFolder, mAccount, mStorageManager);
+    private void initViewPager() {
+        OCFile parentFolder = mStorageManager.getFileById(getFile().getParentId());
+        if (parentFolder == null) {
+            // should not be necessary
+            parentFolder = mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR);
+        }
+        mPreviewImagePagerAdapter = new PreviewImagePagerAdapter(getSupportFragmentManager(), parentFolder, getAccount(), mStorageManager);
         mViewPager = (ViewPager) findViewById(R.id.fragmentPager);
-        int position = mPreviewImagePagerAdapter.getFilePosition(mFile);
+        int position = mPreviewImagePagerAdapter.getFilePosition(getFile());
         position = (position >= 0) ? position : 0;
         mViewPager.setAdapter(mPreviewImagePagerAdapter); 
         mViewPager.setOnPageChangeListener(this);
         mViewPager.setCurrentItem(position);
-        if (position == 0 && !mFile.isDown()) {
+        if (position == 0 && !getFile().isDown()) {
             // this is necessary because mViewPager.setCurrentItem(0) just after setting the adapter does not result in a call to #onPageSelected(0) 
             mRequestWaitingForBinder = true;
         }
@@ -320,9 +297,9 @@ public class PreviewImageActivity extends FileActivity implements FileFragment.C
         if (mDownloaderBinder == null) {
             Log_OC.d(TAG, "requestForDownload called without binder to download service");
             
-        } else if (!mDownloaderBinder.isDownloading(mAccount, file)) {
+        } else if (!mDownloaderBinder.isDownloading(getAccount(), file)) {
             Intent i = new Intent(this, FileDownloader.class);
-            i.putExtra(FileDownloader.EXTRA_ACCOUNT, mAccount);
+            i.putExtra(FileDownloader.EXTRA_ACCOUNT, getAccount());
             i.putExtra(FileDownloader.EXTRA_FILE, file);
             startService(i);
         }
@@ -385,7 +362,7 @@ public class PreviewImageActivity extends FileActivity implements FileFragment.C
         public void onReceive(Context context, Intent intent) {
             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
-            if (mAccount.name.equals(accountName) && 
+            if (getAccount().name.equals(accountName) && 
                     downloadedRemotePath != null) {
 
                 OCFile file = mStorageManager.getFileByPath(downloadedRemotePath);
@@ -436,7 +413,33 @@ public class PreviewImageActivity extends FileActivity implements FileFragment.C
 
     @Override
     protected void onAccountSet(boolean stateWasRecovered) {
-        // TODO
+        if (getAccount() != null) {
+            OCFile file = getFile();
+            /// Validate handled file  (first image to preview)
+            if (file == null) {
+                throw new IllegalStateException("Instanced with a NULL OCFile");
+            }
+            if (!file.isImage()) {
+                throw new IllegalArgumentException("Non-image file passed as argument");
+            }
+            mStorageManager = new FileDataStorageManager(getAccount(), getContentResolver());
+            file = mStorageManager.getFileById(file.getFileId()); 
+            if (file != null) {
+                /// Refresh the activity according to the Account and OCFile set
+                setFile(file);  // reset after getting it fresh from mStorageManager
+                getSupportActionBar().setTitle(getFile().getFileName());
+                //if (!stateWasRecovered) {
+                    initViewPager();
+                //}
+
+            } else {
+                // handled file not in the current Account
+                finish();
+            }
+            
+        } else {
+            Log_OC.wtf(TAG, "onAccountChanged was called with NULL account associated!");
+        }
     }
     
     
diff --git a/src/com/owncloud/android/ui/preview/PreviewImagePagerAdapter.java b/src/com/owncloud/android/ui/preview/PreviewImagePagerAdapter.java
index a2536242..3db62e96 100644
--- a/src/com/owncloud/android/ui/preview/PreviewImagePagerAdapter.java
+++ b/src/com/owncloud/android/ui/preview/PreviewImagePagerAdapter.java
@@ -40,8 +40,6 @@ import com.owncloud.android.ui.fragment.FileFragment;
 //public class PreviewImagePagerAdapter extends PagerAdapter {
 public class PreviewImagePagerAdapter extends FragmentStatePagerAdapter {
     
-    private static final String TAG = PreviewImagePagerAdapter.class.getSimpleName();
-            
     private Vector<OCFile> mImageFiles;
     private Account mAccount;
     private Set<Object> mObsoleteFragments;
@@ -51,14 +49,6 @@ public class PreviewImagePagerAdapter extends FragmentStatePagerAdapter {
     
     private Map<Integer, FileFragment> mCachedFragments;
 
-    /*
-    private final FragmentManager mFragmentManager;
-    private FragmentTransaction mCurTransaction = null;
-    private ArrayList<Fragment.SavedState> mSavedState = new ArrayList<Fragment.SavedState>();
-    private ArrayList<Fragment> mFragments = new ArrayList<Fragment>();
-    private Fragment mCurrentPrimaryItem = null;
-    */
-
     /**
      * Constructor.
      * 
@@ -188,8 +178,6 @@ public class PreviewImagePagerAdapter extends FragmentStatePagerAdapter {
         return mDownloadErrors.contains(Integer.valueOf(position));
     }
 
-
-    
     /* -*
      * Called when a change in the shown pages is going to start being made.
      * 
diff --git a/src/com/owncloud/android/ui/preview/PreviewMediaFragment.java b/src/com/owncloud/android/ui/preview/PreviewMediaFragment.java
index 7ea9f523..366dd9f9 100644
--- a/src/com/owncloud/android/ui/preview/PreviewMediaFragment.java
+++ b/src/com/owncloud/android/ui/preview/PreviewMediaFragment.java
@@ -61,6 +61,7 @@ import com.owncloud.android.operations.OnRemoteOperationListener;
 import com.owncloud.android.operations.RemoteOperation;
 import com.owncloud.android.operations.RemoteOperationResult;
 import com.owncloud.android.operations.RemoveFileOperation;
+import com.owncloud.android.ui.activity.FileActivity;
 import com.owncloud.android.ui.activity.FileDisplayActivity;
 import com.owncloud.android.ui.fragment.ConfirmationDialogFragment;
 import com.owncloud.android.ui.fragment.FileFragment;
@@ -477,8 +478,8 @@ public class PreviewMediaFragment extends FileFragment implements
     
     private void startFullScreenVideo() {
         Intent i = new Intent(getActivity(), PreviewVideoActivity.class);
-        i.putExtra(PreviewVideoActivity.EXTRA_ACCOUNT, mAccount);
-        i.putExtra(PreviewVideoActivity.EXTRA_FILE, getFile());
+        i.putExtra(FileActivity.EXTRA_ACCOUNT, mAccount);
+        i.putExtra(FileActivity.EXTRA_FILE, getFile());
         i.putExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, mVideoPreview.isPlaying());
         mVideoPreview.pause();
         i.putExtra(PreviewVideoActivity.EXTRA_START_POSITION, mVideoPreview.getCurrentPosition());
@@ -661,7 +662,6 @@ public class PreviewMediaFragment extends FileFragment implements
                                                             mStorageManager);
             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
             
-            boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
             getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
         }
     }
@@ -716,7 +716,6 @@ public class PreviewMediaFragment extends FileFragment implements
     }
     
     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
-        boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
         getActivity().dismissDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
         
         if (result.isSuccess()) {
diff --git a/src/com/owncloud/android/ui/preview/PreviewVideoActivity.java b/src/com/owncloud/android/ui/preview/PreviewVideoActivity.java
index c4b6dce7..0cab2e2b 100644
--- a/src/com/owncloud/android/ui/preview/PreviewVideoActivity.java
+++ b/src/com/owncloud/android/ui/preview/PreviewVideoActivity.java
@@ -18,7 +18,6 @@
 package com.owncloud.android.ui.preview;
 
 import android.accounts.Account;
-import android.app.Activity;
 import android.app.AlertDialog;
 import android.content.DialogInterface;
 import android.content.Intent;
@@ -28,16 +27,18 @@ import android.media.MediaPlayer.OnErrorListener;
 import android.media.MediaPlayer.OnPreparedListener;
 import android.net.Uri;
 import android.os.Bundle;
-import android.view.MotionEvent;
 import android.widget.MediaController;
 import android.widget.VideoView;
 
 import com.owncloud.android.Log_OC;
 import com.owncloud.android.R;
+import com.owncloud.android.datamodel.DataStorageManager;
+import com.owncloud.android.datamodel.FileDataStorageManager;
 import com.owncloud.android.authentication.AccountUtils;
 import com.owncloud.android.authentication.AccountUtils.AccountNotFoundException;
 import com.owncloud.android.datamodel.OCFile;
 import com.owncloud.android.media.MediaService;
+import com.owncloud.android.ui.activity.FileActivity;
 
 /**
  *  Activity implementing a basic video player.
@@ -49,14 +50,8 @@ import com.owncloud.android.media.MediaService;
  *  
  *  @author David A. Velasco
  */
-public class PreviewVideoActivity extends Activity implements OnCompletionListener, OnPreparedListener, OnErrorListener {
+public class PreviewVideoActivity extends FileActivity implements OnCompletionListener, OnPreparedListener, OnErrorListener {
 
-    /** Key to receive an {@link OCFile} to play as an extra value in an {@link Intent} */
-    public static final String EXTRA_FILE = "FILE";
-    
-    /** Key to receive the ownCloud {@link Account} where the file to play is saved as an extra value in an {@link Intent} */
-    public static final String EXTRA_ACCOUNT = "ACCOUNT";
-    
     /** Key to receive a flag signaling if the video should be started immediately */
     public static final String EXTRA_AUTOPLAY = "AUTOPLAY";
     
@@ -65,8 +60,8 @@ public class PreviewVideoActivity extends Activity implements OnCompletionListen
     
     private static final String TAG = PreviewVideoActivity.class.getSimpleName();
 
-    private OCFile mFile;                       // video file to play
-    private Account mAccount;                   // ownCloud account holding mFile
+    private DataStorageManager mStorageManager;
+    
     private int mSavedPlaybackPosition;         // in the unit time handled by MediaPlayer.getCurrentPosition()
     private boolean mAutoplay;                  // when 'true', the playback starts immediately with the activity
     private VideoView mVideoPlayer;             // view to play the file; both performs and show the playback
@@ -91,14 +86,10 @@ public class PreviewVideoActivity extends Activity implements OnCompletionListen
     
         if (savedInstanceState == null) {
             Bundle extras = getIntent().getExtras();
-            mFile = extras.getParcelable(EXTRA_FILE);
-            mAccount = extras.getParcelable(EXTRA_ACCOUNT);
             mSavedPlaybackPosition = extras.getInt(EXTRA_START_POSITION);
             mAutoplay = extras.getBoolean(EXTRA_AUTOPLAY);
             
         } else {
-            mFile = savedInstanceState.getParcelable(EXTRA_FILE);
-            mAccount = savedInstanceState.getParcelable(EXTRA_ACCOUNT);
             mSavedPlaybackPosition = savedInstanceState.getInt(EXTRA_START_POSITION);
             mAutoplay = savedInstanceState.getBoolean(EXTRA_AUTOPLAY);
         }
@@ -112,34 +103,6 @@ public class PreviewVideoActivity extends Activity implements OnCompletionListen
           
         // keep the screen on while the playback is performed (prevents screen off by battery save)
         mVideoPlayer.setKeepScreenOn(true);
-        
-        if (mFile != null) {
-            if (mFile.isDown()) {
-                mVideoPlayer.setVideoPath(mFile.getStoragePath());
-                
-            } else if (mAccount != null) {
-                // not working yet
-                String url;
-                try {
-                    url = AccountUtils.constructFullURLForAccount(this, mAccount) + mFile.getRemotePath();
-                    mVideoPlayer.setVideoURI(Uri.parse(url));
-                } catch (AccountNotFoundException e) {
-                    onError(null, MediaService.OC_MEDIA_ERROR, R.string.media_err_no_account);
-                }
-                
-            } else {
-                onError(null, MediaService.OC_MEDIA_ERROR, R.string.media_err_no_account);
-            }
-            
-            // create and prepare control panel for the user
-            mMediaController = new MediaController(this);
-            mMediaController.setMediaPlayer(mVideoPlayer);
-            mMediaController.setAnchorView(mVideoPlayer);
-            mVideoPlayer.setMediaController(mMediaController);
-            
-        } else {
-            onError(null, MediaService.OC_MEDIA_ERROR, R.string.media_err_nothing_to_play);
-        }
     }    
     
     
@@ -150,8 +113,6 @@ public class PreviewVideoActivity extends Activity implements OnCompletionListen
     public void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);
         Log_OC.e(TAG, "ACTIVITY\t\tonSaveInstanceState");
-        outState.putParcelable(PreviewVideoActivity.EXTRA_FILE, mFile);
-        outState.putParcelable(PreviewVideoActivity.EXTRA_ACCOUNT, mAccount);
         outState.putInt(PreviewVideoActivity.EXTRA_START_POSITION, mVideoPlayer.getCurrentPosition());
         outState.putBoolean(PreviewVideoActivity.EXTRA_AUTOPLAY , mVideoPlayer.isPlaying());
     }
@@ -168,39 +129,6 @@ public class PreviewVideoActivity extends Activity implements OnCompletionListen
     }
 
     
-    @Override
-    public void onResume() {
-        super.onResume();
-        Log_OC.e(TAG, "ACTIVTIY\t\tonResume");
-    }
-
-    
-    @Override
-    public void onStart() {
-        super.onStart();
-        Log_OC.e(TAG, "ACTIVTIY\t\tonStart");
-    }
-    
-    @Override
-    public void onDestroy() {
-        super.onDestroy();
-        Log_OC.e(TAG, "ACTIVITY\t\tonDestroy");
-    }
-    
-    @Override
-    public void onStop() {
-        super.onStop();
-        Log_OC.e(TAG, "ACTIVTIY\t\tonStop");
-    }
-    
-    
-    @Override
-    public void onPause() {
-        super.onPause();
-        Log_OC.e(TAG, "ACTIVTIY\t\tonPause");
-    }
-    
-    
     /** 
      * Called when the file is ready to be played.
      * 
@@ -264,25 +192,48 @@ public class PreviewVideoActivity extends Activity implements OnCompletionListen
     }
     
     
-    /**  
-     * Screen touches trigger the appearance of the control panel for a limited time.
-     *
-     * {@inheritDoc}
-     */
     @Override
-    public boolean onTouchEvent (MotionEvent ev){ 
-        /*if (ev.getAction() == MotionEvent.ACTION_DOWN) {
-            if (mMediaController.isShowing()) {
-                mMediaController.hide();
+    protected void onAccountSet(boolean stateWasRecovered) {
+        if (getAccount() != null) {
+            OCFile file = getFile();
+            /// Validate handled file  (first image to preview)
+            if (file == null) {
+                throw new IllegalStateException("Instanced with a NULL OCFile");
+            }
+            if (!file.isVideo()) {
+                throw new IllegalArgumentException("Non-video file passed as argument");
+            }
+            mStorageManager = new FileDataStorageManager(getAccount(), getContentResolver());
+            file = mStorageManager.getFileById(file.getFileId()); 
+            if (file != null) {
+                if (file.isDown()) {
+                    mVideoPlayer.setVideoPath(file.getStoragePath());
+                    
+                } else {
+                    // not working yet
+                    String url;
+                    try {
+                        url = AccountUtils.constructFullURLForAccount(this, getAccount()) + file.getRemotePath();
+                        mVideoPlayer.setVideoURI(Uri.parse(url));
+                    } catch (AccountNotFoundException e) {
+                        onError(null, MediaService.OC_MEDIA_ERROR, R.string.media_err_no_account);
+                    }
+                }
+                
+                // create and prepare control panel for the user
+                mMediaController = new MediaController(this);
+                mMediaController.setMediaPlayer(mVideoPlayer);
+                mMediaController.setAnchorView(mVideoPlayer);
+                mVideoPlayer.setMediaController(mMediaController);
+                
             } else {
-                mMediaController.show(MediaService.MEDIA_CONTROL_SHORT_LIFE);
+                finish();
             }
-            return true;        
         } else {
-            return false;
-        }*/
-        return false;
-    }
+            Log_OC.wtf(TAG, "onAccountChanged was called with NULL account associated!");
+            finish();
+        }
+   }
 
 
 }
\ No newline at end of file
diff --git a/src/com/owncloud/android/utils/FileStorageUtils.java b/src/com/owncloud/android/utils/FileStorageUtils.java
index dda7b5a5..29553c41 100644
--- a/src/com/owncloud/android/utils/FileStorageUtils.java
+++ b/src/com/owncloud/android/utils/FileStorageUtils.java
@@ -74,4 +74,5 @@ public class FileStorageUtils {
         String value = uploadPath + OCFile.PATH_SEPARATOR +  (fileName == null ? "" : fileName);
         return value;
     }
+  
 }
\ No newline at end of file