From: masensio <masensio@solidgear.es>
Date: Wed, 3 Jul 2013 10:38:16 +0000 (-0700)
Subject: Merge pull request #204 from owncloud/check_account_existance_in_gallery
X-Git-Tag: oc-android-1.4.3~9
X-Git-Url: http://git.linex4red.de/pub/Android/ownCloud.git/commitdiff_plain/50bf276b586689aff00bb022f5dd90d04e1e17ef?hp=af7331d31c0ff279be7921e7ae06982fa3b3bf3c

Merge pull request #204 from owncloud/check_account_existance_in_gallery

Check account existance when entering in the app through an activity showing preview or details of a file.
---

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/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/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/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..508b7bec 100644
--- a/src/com/owncloud/android/ui/activity/FileDisplayActivity.java
+++ b/src/com/owncloud/android/ui/activity/FileDisplayActivity.java
@@ -137,9 +137,9 @@ public class FileDisplayActivity extends FileActivity implements
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         Log_OC.d(TAG, "onCreate() start");
-        requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
+        super.onCreate(savedInstanceState);
         
-        super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
+        requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
         
         mHandler = new Handler();
 
@@ -176,26 +176,12 @@ 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");
     }
@@ -233,17 +219,28 @@ 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!");
         }
@@ -259,11 +256,24 @@ 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 {
@@ -361,8 +371,9 @@ public class FileDisplayActivity extends FileActivity implements
             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
             tr.remove(second);
             tr.commit();
-            updateFragmentsVisibility(false);
         }
+        updateFragmentsVisibility(false);
+        updateNavigationElementsInActionBar(null);
     }
     
     protected void refeshListOfFilesFragment() {
@@ -587,7 +598,6 @@ public class FileDisplayActivity extends FileActivity implements
             setFile(listOfFiles.getCurrentFile());
         }
         cleanSecondFragment();
-        updateNavigationElementsInActionBar(null);
     }
 
     @Override
@@ -598,14 +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() {
@@ -628,12 +631,6 @@ public class FileDisplayActivity extends FileActivity implements
         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");
     }
 
@@ -848,8 +845,9 @@ public class FileDisplayActivity extends FileActivity implements
                     if (fileListFragment != null) {
                         fileListFragment.listDirectory(currentDir);
                     }
+                    if (getSecondFragment() == null)
+                        setFile(currentDir);
                 }
-                setFile(currentDir);
                 
                 setSupportProgressBarIndeterminateVisibility(inProgress);
                 removeStickyBroadcast(intent);
@@ -939,7 +937,6 @@ public class FileDisplayActivity extends FileActivity implements
     public void onBrowsedDownTo(OCFile directory) {
         pushDirname(directory);
         cleanSecondFragment();
-        updateNavigationElementsInActionBar(null);
     }
     
     /**
@@ -1009,9 +1006,9 @@ public class FileDisplayActivity extends FileActivity implements
     /**
      * 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);
@@ -1022,7 +1019,7 @@ public class FileDisplayActivity extends FileActivity implements
         } else {
             actionBar.setDisplayHomeAsUpEnabled(true);
             actionBar.setDisplayShowTitleEnabled(true);
-            actionBar.setTitle(currentFile.getFileName());
+            actionBar.setTitle(chosenFile.getFileName());
             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
         }
     }
@@ -1032,15 +1029,6 @@ public class FileDisplayActivity extends FileActivity implements
      * {@inheritDoc}
      */
     @Override
-    public OCFile getInitialDirectory() {
-        return getCurrentDir();
-    }
-    
-    
-    /**
-     * {@inheritDoc}
-     */
-    @Override
     public void onFileStateChanged() {
         refeshListOfFilesFragment();
         updateNavigationElementsInActionBar(getSecondFragment().getFile());
@@ -1339,12 +1327,11 @@ public class FileDisplayActivity extends FileActivity implements
         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..16c74d38 100644
--- a/src/com/owncloud/android/ui/adapter/FileListListAdapter.java
+++ b/src/com/owncloud/android/ui/adapter/FileListListAdapter.java
@@ -1,260 +1,255 @@
-
-/* 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 {
+               
+               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();
+    }
+    
+}
diff --git a/src/com/owncloud/android/ui/fragment/OCFileListFragment.java b/src/com/owncloud/android/ui/fragment/OCFileListFragment.java
index b05e801c..5ae80c1b 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;
     
@@ -94,7 +97,10 @@ 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());
@@ -103,6 +109,15 @@ public class OCFileListFragment extends ExtendedListFragment implements EditName
         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 +139,6 @@ 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);
@@ -388,14 +402,6 @@ 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