From: masensio <masensio@solidgear.es>
Date: Thu, 25 Jun 2015 11:29:50 +0000 (+0200)
Subject: Merge pull request #1027 from owncloud/auto_grid_only_with_all_pictures
X-Git-Tag: oc-android-1.7.2~1^2~5^2
X-Git-Url: http://git.linex4red.de/pub/Android/ownCloud.git/commitdiff_plain/51026a005868e4bd67df98a6b68e0236799b52b3?hp=b4c217b505b99d5a6053cb1d8a6b36153545e7e3

Merge pull request #1027 from owncloud/auto_grid_only_with_all_pictures

Auto grid only in folders with only pictures and server with remote thumbnails support
---

diff --git a/owncloud-android-library b/owncloud-android-library
index 8f87ad78..f5fbca24 160000
--- a/owncloud-android-library
+++ b/owncloud-android-library
@@ -1 +1 @@
-Subproject commit 8f87ad78f752fd44c419d1595482247cae5d056b
+Subproject commit f5fbca24becbb01660abe2a7013c1b536ea8a301
diff --git a/src/com/owncloud/android/authentication/AccountUtils.java b/src/com/owncloud/android/authentication/AccountUtils.java
index 9afa819c..87766b54 100644
--- a/src/com/owncloud/android/authentication/AccountUtils.java
+++ b/src/com/owncloud/android/authentication/AccountUtils.java
@@ -114,7 +114,7 @@ public class AccountUtils {
         if (accountName != null) {
             Account[] ocAccounts = AccountManager.get(context).getAccountsByType(
                     MainApp.getAccountType());
-            boolean found = false;
+            boolean found;
             for (Account account : ocAccounts) {
                 found = (account.name.equals(accountName));
                 if (found) {
@@ -220,19 +220,20 @@ public class AccountUtils {
                         if (isOAuth) {
                             accountMgr.setUserData(newAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
                         }
-                    /* TODO - study if it's possible to run this method in a background thread to copy the authToken
-                    if (isOAuth || isSaml) {
-                        accountMgr.setAuthToken(newAccount, mAuthTokenType, mAuthToken);
-                    }
-                    */
+                        /* TODO - study if it's possible to run this method in a background thread to copy the authToken
+                        if (isOAuth || isSaml) {
+                            accountMgr.setAuthToken(newAccount, mAuthTokenType, mAuthToken);
+                        }
+                        */
 
                         // don't forget the account saved in preferences as the current one
-                        if (currentAccount != null && currentAccount.name.equals(account.name)) {
+                        if (currentAccount.name.equals(account.name)) {
                             AccountUtils.setCurrentOwnCloudAccount(context, newAccountName);
                         }
 
                         // remove the old account
-                        accountMgr.removeAccount(account, null, null);  // will assume it succeeds, not a big deal otherwise
+                        accountMgr.removeAccount(account, null, null);
+                            // will assume it succeeds, not a big deal otherwise
 
                     } else {
                         // servers which base URL is in the root of their domain need no change
@@ -242,7 +243,9 @@ public class AccountUtils {
 
                     // at least, upgrade account version
                     Log_OC.d(TAG, "Setting version " + ACCOUNT_VERSION + " to " + newAccountName);
-                    accountMgr.setUserData(newAccount, Constants.KEY_OC_ACCOUNT_VERSION, Integer.toString(ACCOUNT_VERSION));
+                    accountMgr.setUserData(
+                            newAccount, Constants.KEY_OC_ACCOUNT_VERSION, Integer.toString(ACCOUNT_VERSION)
+                    );
 
                 }
             }
@@ -267,4 +270,23 @@ public class AccountUtils {
         return url;
     }
 
+    /**
+     * Access the version of the OC server corresponding to an account SAVED IN THE ACCOUNTMANAGER
+     *
+     * @param   account     ownCloud account
+     * @return              Version of the OC server corresponding to account, according to the data saved
+     *                      in the system AccountManager
+     */
+    public static OwnCloudVersion getServerVersion(Account account) {
+        OwnCloudVersion serverVersion = null;
+        if (account != null) {
+            AccountManager accountMgr = AccountManager.get(MainApp.getAppContext());
+            String serverVersionStr = accountMgr.getUserData(account, Constants.KEY_OC_VERSION);
+            if (serverVersionStr != null) {
+                serverVersion = new OwnCloudVersion(serverVersionStr);
+            }
+        }
+        return serverVersion;
+    }
+
 }
diff --git a/src/com/owncloud/android/authentication/AuthenticatorActivity.java b/src/com/owncloud/android/authentication/AuthenticatorActivity.java
index e7b33979..e8f42d99 100644
--- a/src/com/owncloud/android/authentication/AuthenticatorActivity.java
+++ b/src/com/owncloud/android/authentication/AuthenticatorActivity.java
@@ -54,7 +54,6 @@ import android.view.MotionEvent;
 import android.view.View;
 import android.view.View.OnFocusChangeListener;
 import android.view.View.OnTouchListener;
-import android.view.Window;
 import android.view.inputmethod.EditorInfo;
 import android.webkit.HttpAuthHandler;
 import android.webkit.SslErrorHandler;
@@ -348,11 +347,8 @@ public class AuthenticatorActivity extends AccountAuthenticatorActivity
             if (mAccount != null) {
                 mServerInfo.mBaseUrl = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
                 // TODO do next in a setter for mBaseUrl
-                mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");   
-                String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
-                if (ocVersion != null) {
-                    mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
-                }
+                mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
+                mServerInfo.mVersion = AccountUtils.getServerVersion(mAccount);
             } else {
                 mServerInfo.mBaseUrl = getString(R.string.server_url).trim();
                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
@@ -570,7 +566,7 @@ public class AuthenticatorActivity extends AccountAuthenticatorActivity
      * intended to defer the processing of the redirection caught in 
      * {@link #onNewIntent(Intent)} until {@link #onResume()} 
      * 
-     * See {@link #onSaveInstanceState(Bundle)}
+     * See {@link super#onSaveInstanceState(Bundle)}
      */
     @Override
     protected void onSaveInstanceState(Bundle outState) {
@@ -1136,7 +1132,7 @@ public class AuthenticatorActivity extends AccountAuthenticatorActivity
         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0_AND_LATER)){
             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0_AND_LATER.length());
         }
-        return (url != null ? url : "");
+        return url;
     }
 
 
@@ -1717,7 +1713,7 @@ public class AuthenticatorActivity extends AccountAuthenticatorActivity
     }
 
 
-    private void getRemoteUserNameOperation(String sessionCookie, boolean followRedirects) {
+    private void getRemoteUserNameOperation(String sessionCookie) {
         
         Intent getUserNameIntent = new Intent();
         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
@@ -1735,7 +1731,7 @@ public class AuthenticatorActivity extends AccountAuthenticatorActivity
         if (sessionCookie != null && sessionCookie.length() > 0) {
             Log_OC.d(TAG, "Successful SSO - time to save the account");
             mAuthToken = sessionCookie;
-            getRemoteUserNameOperation(sessionCookie, true);
+            getRemoteUserNameOperation(sessionCookie);
             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
             if (fd != null && fd instanceof DialogFragment) {
                 Dialog d = ((DialogFragment)fd).getDialog();
@@ -1769,7 +1765,7 @@ public class AuthenticatorActivity extends AccountAuthenticatorActivity
             X509Certificate x509Certificate, SslError error, SslErrorHandler handler
         ) {
         // Show a dialog with the certificate info
-        SslUntrustedCertDialog dialog = null;
+        SslUntrustedCertDialog dialog;
         if (x509Certificate == null) {
             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
         } else {
@@ -1861,8 +1857,6 @@ public class AuthenticatorActivity extends AccountAuthenticatorActivity
                 
                 doOnResumeAndBound();
                 
-            } else {
-                return;
             }
             
         }
@@ -1881,8 +1875,8 @@ public class AuthenticatorActivity extends AccountAuthenticatorActivity
 
     /**
      * Create and show dialog for request authentication to the user
-     * @param webView
-     * @param handler
+     * @param webView   Web view to emebd into the authentication dialog.
+     * @param handler   Object responsible for catching and recovering HTTP authentication fails.
      */
     public void createAuthenticationDialog(WebView webView, HttpAuthHandler handler) {
 
diff --git a/src/com/owncloud/android/datamodel/ThumbnailsCacheManager.java b/src/com/owncloud/android/datamodel/ThumbnailsCacheManager.java
index 7825b959..0e59a834 100644
--- a/src/com/owncloud/android/datamodel/ThumbnailsCacheManager.java
+++ b/src/com/owncloud/android/datamodel/ThumbnailsCacheManager.java
@@ -29,7 +29,6 @@ import org.apache.commons.httpclient.HttpStatus;
 import org.apache.commons.httpclient.methods.GetMethod;
 
 import android.accounts.Account;
-import android.accounts.AccountManager;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
 import android.graphics.Bitmap.CompressFormat;
@@ -43,10 +42,10 @@ import android.widget.ImageView;
 
 import com.owncloud.android.MainApp;
 import com.owncloud.android.R;
+import com.owncloud.android.authentication.AccountUtils;
 import com.owncloud.android.lib.common.OwnCloudAccount;
 import com.owncloud.android.lib.common.OwnCloudClient;
 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
-import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
 import com.owncloud.android.lib.common.utils.Log_OC;
 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
 import com.owncloud.android.ui.adapter.DiskLruImageCache;
@@ -61,8 +60,7 @@ public class ThumbnailsCacheManager {
     private static final String TAG = ThumbnailsCacheManager.class.getSimpleName();
     
     private static final String CACHE_FOLDER = "thumbnailCache";
-    private static final String MINOR_SERVER_VERSION_FOR_THUMBS = "7.8.0";
-    
+
     private static final Object mThumbnailsDiskCacheLock = new Object();
     private static DiskLruImageCache mThumbnailCache = null;
     private static boolean mThumbnailCacheStarting = true;
@@ -71,7 +69,6 @@ public class ThumbnailsCacheManager {
     private static final CompressFormat mCompressFormat = CompressFormat.JPEG;
     private static final int mCompressQuality = 70;
     private static OwnCloudClient mClient = null;
-    private static String mServerVersion = null;
 
     public static Bitmap mDefaultImg = 
             BitmapFactory.decodeResource(
@@ -130,10 +127,12 @@ public class ThumbnailsCacheManager {
             while (mThumbnailCacheStarting) {
                 try {
                     mThumbnailsDiskCacheLock.wait();
-                } catch (InterruptedException e) {}
+                } catch (InterruptedException e) {
+                    Log_OC.e(TAG, "Wait in mThumbnailsDiskCacheLock was interrupted", e);
+                }
             }
             if (mThumbnailCache != null) {
-                return (Bitmap) mThumbnailCache.getBitmap(key);
+                return mThumbnailCache.getBitmap(key);
             }
         }
         return null;
@@ -167,9 +166,6 @@ public class ThumbnailsCacheManager {
 
             try {
                 if (mAccount != null) {
-                    AccountManager accountMgr = AccountManager.get(MainApp.getAppContext());
-
-                    mServerVersion = accountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
                     OwnCloudAccount ocAccount = new OwnCloudAccount(mAccount,
                             MainApp.getAppContext());
                     mClient = OwnCloudClientManagerFactory.getDefaultSingleton().
@@ -182,8 +178,7 @@ public class ThumbnailsCacheManager {
                     thumbnail = doOCFileInBackground();
                 }  else if (mFile instanceof File) {
                     thumbnail = doFileInBackground();
-                } else {
-                    // do nothing
+                //} else {  do nothing
                 }
 
                 }catch(Throwable t){
@@ -202,15 +197,15 @@ public class ThumbnailsCacheManager {
                 bitmap = null;
             }
 
-            if (mImageViewReference != null && bitmap != null) {
+            if (bitmap != null) {
                 final ImageView imageView = mImageViewReference.get();
                 final ThumbnailGenerationTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
-                if (this == bitmapWorkerTask && imageView != null) {
+                if (this == bitmapWorkerTask) {
                     String tagId = "";
                     if (mFile instanceof OCFile){
                         tagId = String.valueOf(((OCFile)mFile).getFileId());
                     } else if (mFile instanceof File){
-                        tagId = String.valueOf(((File)mFile).hashCode());
+                        tagId = String.valueOf(mFile.hashCode());
                     }
                     if (String.valueOf(imageView.getTag()).equals(tagId)) {
                         imageView.setImageBitmap(bitmap);
@@ -247,17 +242,16 @@ public class ThumbnailsCacheManager {
         private int getThumbnailDimension(){
             // Converts dp to pixel
             Resources r = MainApp.getAppContext().getResources();
-            return (int) Math.round(r.getDimension(R.dimen.file_icon_size_grid));
+            return Math.round(r.getDimension(R.dimen.file_icon_size_grid));
         }
 
         private Bitmap doOCFileInBackground() {
-            Bitmap thumbnail = null;
             OCFile file = (OCFile)mFile;
 
             final String imageKey = String.valueOf(file.getRemoteId());
 
             // Check disk cache in background thread
-            thumbnail = getBitmapFromDiskCache(imageKey);
+            Bitmap thumbnail = getBitmapFromDiskCache(imageKey);
 
             // Not found in disk cache
             if (thumbnail == null || file.needsUpdateThumbnail()) {
@@ -277,19 +271,16 @@ public class ThumbnailsCacheManager {
 
                 } else {
                     // Download thumbnail from server
-                    if (mClient != null && mServerVersion != null) {
-                        OwnCloudVersion serverOCVersion = new OwnCloudVersion(mServerVersion);
-                        if (serverOCVersion.compareTo(
-                                new OwnCloudVersion(MINOR_SERVER_VERSION_FOR_THUMBS)) >= 0) {
+                    OwnCloudVersion serverOCVersion = AccountUtils.getServerVersion(mAccount);
+                    if (mClient != null && serverOCVersion != null) {
+                        if (serverOCVersion.supportsRemoteThumbnails()) {
                             try {
-                                int status = -1;
-
                                 String uri = mClient.getBaseUri() + "" +
                                         "/index.php/apps/files/api/v1/thumbnail/" +
                                         px + "/" + px + Uri.encode(file.getRemotePath(), "/");
                                 Log_OC.d("Thumbnail", "URI: " + uri);
                                 GetMethod get = new GetMethod(uri);
-                                status = mClient.executeMethod(get);
+                                int status = mClient.executeMethod(get);
                                 if (status == HttpStatus.SC_OK) {
 //                                    byte[] bytes = get.getResponseBody();
 //                                    Bitmap bitmap = BitmapFactory.decodeByteArray(bytes, 0,
@@ -318,13 +309,12 @@ public class ThumbnailsCacheManager {
         }
 
         private Bitmap doFileInBackground() {
-            Bitmap thumbnail = null;
             File file = (File)mFile;
 
             final String imageKey = String.valueOf(file.hashCode());
 
             // Check disk cache in background thread
-            thumbnail = getBitmapFromDiskCache(imageKey);
+            Bitmap thumbnail = getBitmapFromDiskCache(imageKey);
 
             // Not found in disk cache
             if (thumbnail == null) {
diff --git a/src/com/owncloud/android/files/FileOperationsHelper.java b/src/com/owncloud/android/files/FileOperationsHelper.java
index 5e6741bb..75fae370 100644
--- a/src/com/owncloud/android/files/FileOperationsHelper.java
+++ b/src/com/owncloud/android/files/FileOperationsHelper.java
@@ -24,7 +24,6 @@ package com.owncloud.android.files;
 import org.apache.http.protocol.HTTP;
 
 import android.accounts.Account;
-import android.accounts.AccountManager;
 import android.content.Intent;
 import android.net.Uri;
 import android.support.v4.app.DialogFragment;
@@ -32,11 +31,11 @@ import android.webkit.MimeTypeMap;
 import android.widget.Toast;
 
 import com.owncloud.android.R;
+import com.owncloud.android.authentication.AccountUtils;
 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.lib.common.accounts.AccountUtils.Constants;
 import com.owncloud.android.lib.common.network.WebdavUtils;
 import com.owncloud.android.lib.common.utils.Log_OC;
 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
@@ -70,19 +69,25 @@ public class FileOperationsHelper {
             
             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
             intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), file.getMimetype());
-            intentForSavedMimeType.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
+            intentForSavedMimeType.setFlags(
+                    Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+            );
             
             Intent intentForGuessedMimeType = null;
             if (storagePath.lastIndexOf('.') >= 0) {
-                String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
+                String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
+                        storagePath.substring(storagePath.lastIndexOf('.') + 1)
+                );
                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
                     intentForGuessedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), guessedMimeType);
-                    intentForGuessedMimeType.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
+                    intentForGuessedMimeType.setFlags(
+                            Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+                    );
                 }
             }
             
-            Intent chooserIntent = null;
+            Intent chooserIntent;
             if (intentForGuessedMimeType != null) {
                 chooserIntent = Intent.createChooser(intentForGuessedMimeType, mFileActivity.getString(R.string.actionbar_open_with));
             } else {
@@ -113,7 +118,9 @@ public class FileOperationsHelper {
             
         } else {
             // Show a Message
-            Toast t = Toast.makeText(mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
+            Toast t = Toast.makeText(
+                    mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG
+            );
             t.show();
         }
     }
@@ -151,10 +158,8 @@ public class FileOperationsHelper {
      */
     public boolean isSharedSupported() {
         if (mFileActivity.getAccount() != null) {
-            AccountManager accountManager = AccountManager.get(mFileActivity);
-
-            String version = accountManager.getUserData(mFileActivity.getAccount(), Constants.KEY_OC_VERSION);
-            return (new OwnCloudVersion(version)).isSharedSupported();
+            OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
+            return (serverVersion != null && serverVersion.isSharedSupported());
         }
         return false;
     }
@@ -321,11 +326,8 @@ public class FileOperationsHelper {
      */
     public boolean isVersionWithForbiddenCharacters() {
         if (mFileActivity.getAccount() != null) {
-            AccountManager accountManager = AccountManager.get(mFileActivity);
-
-            String version = accountManager.getUserData(mFileActivity.getAccount(),
-                    Constants.KEY_OC_VERSION);
-            return (new OwnCloudVersion(version)).isVersionWithForbiddenCharacters();
+            OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
+            return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
         }
         return false;
     }
diff --git a/src/com/owncloud/android/files/services/FileUploader.java b/src/com/owncloud/android/files/services/FileUploader.java
index 8beff92d..98ad87e2 100644
--- a/src/com/owncloud/android/files/services/FileUploader.java
+++ b/src/com/owncloud/android/files/services/FileUploader.java
@@ -48,7 +48,6 @@ import android.os.Process;
 import android.support.v4.app.NotificationCompat;
 import android.webkit.MimeTypeMap;
 
-import com.owncloud.android.MainApp;
 import com.owncloud.android.R;
 import com.owncloud.android.authentication.AccountUtils;
 import com.owncloud.android.authentication.AuthenticatorActivity;
@@ -58,7 +57,6 @@ import com.owncloud.android.db.DbHandler;
 import com.owncloud.android.lib.common.OwnCloudAccount;
 import com.owncloud.android.lib.common.OwnCloudClient;
 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
-import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
 import com.owncloud.android.lib.common.network.OnDatatransferProgressListener;
 import com.owncloud.android.lib.common.operations.RemoteOperation;
 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
@@ -118,7 +116,8 @@ public class FileUploader extends Service
     private Account mLastAccount = null;
     private FileDataStorageManager mStorageManager;
 
-    private ConcurrentMap<String, UploadFileOperation> mPendingUploads = new ConcurrentHashMap<String, UploadFileOperation>();
+    private ConcurrentMap<String, UploadFileOperation> mPendingUploads =
+            new ConcurrentHashMap<String, UploadFileOperation>();
     private UploadFileOperation mCurrentUpload = null;
 
     private NotificationManager mNotificationManager;
@@ -130,7 +129,7 @@ public class FileUploader extends Service
 
 
     public static String getUploadFinishMessage() {
-        return FileUploader.class.getName().toString() + UPLOAD_FINISH_MESSAGE;
+        return FileUploader.class.getName() + UPLOAD_FINISH_MESSAGE;
     }
 
     /**
@@ -230,7 +229,7 @@ public class FileUploader extends Service
         if (uploadType == UPLOAD_SINGLE_FILE) {
 
             if (intent.hasExtra(KEY_FILE)) {
-                files = new OCFile[] { (OCFile) intent.getParcelableExtra(KEY_FILE) };
+                files = new OCFile[] { intent.getParcelableExtra(KEY_FILE) };
 
             } else {
                 localPaths = new String[] { intent.getStringExtra(KEY_LOCAL_FILE) };
@@ -283,7 +282,7 @@ public class FileUploader extends Service
             files = new OCFile[localPaths.length];
             for (int i = 0; i < localPaths.length; i++) {
                 files[i] = obtainNewOCFileToUpload(remotePaths[i], localPaths[i],
-                        ((mimeTypes != null) ? mimeTypes[i] : (String) null), storageManager);
+                        ((mimeTypes != null) ? mimeTypes[i] : null), storageManager);
                 if (files[i] == null) {
                     // TODO @andomaex add failure Notification
                     return Service.START_NOT_STICKY;
@@ -291,9 +290,7 @@ public class FileUploader extends Service
             }
         }
 
-        AccountManager aMgr = AccountManager.get(this);
-        String version = aMgr.getUserData(account, Constants.KEY_OC_VERSION);
-        OwnCloudVersion ocv = new OwnCloudVersion(version);
+        OwnCloudVersion ocv = AccountUtils.getServerVersion(account);
 
         boolean chunked = FileUploader.chunkedUploadIsSupported(ocv);
         AbstractList<String> requestedUploads = new Vector<String>();
@@ -383,7 +380,8 @@ public class FileUploader extends Service
          * Map of listeners that will be reported about progress of uploads from a
          * {@link FileUploaderBinder} instance
          */
-        private Map<String, OnDatatransferProgressListener> mBoundListeners = new HashMap<String, OnDatatransferProgressListener>();
+        private Map<String, OnDatatransferProgressListener> mBoundListeners =
+                new HashMap<String, OnDatatransferProgressListener>();
 
         /**
          * Cancels a pending or current upload of a remote file.
@@ -392,7 +390,7 @@ public class FileUploader extends Service
          * @param file A file in the queue of pending uploads
          */
         public void cancel(Account account, OCFile file) {
-            UploadFileOperation upload = null;
+            UploadFileOperation upload;
             synchronized (mPendingUploads) {
                 upload = mPendingUploads.remove(buildRemoteName(account, file));
             }
@@ -563,7 +561,7 @@ public class FileUploader extends Service
 
                 notifyUploadStart(mCurrentUpload);
 
-                RemoteOperationResult uploadResult = null, grantResult = null;
+                RemoteOperationResult uploadResult = null, grantResult;
 
                 try {
                     /// prepare client object to send requests to the ownCloud server
@@ -610,7 +608,7 @@ public class FileUploader extends Service
                         mPendingUploads.remove(uploadKey);
                         Log_OC.i(TAG, "Remove CurrentUploadItem from pending upload Item Map.");
                     }
-                    if (uploadResult.isException()) {
+                    if (uploadResult != null && uploadResult.isException()) {
                         // enforce the creation of a new client object for next uploads;
                         // this grant that a new socket will be created in the future if
                         // the current exception is due to an abrupt lose of network connection
@@ -845,7 +843,7 @@ public class FileUploader extends Service
             int tickerId = (uploadResult.isSuccess()) ? R.string.uploader_upload_succeeded_ticker :
                     R.string.uploader_upload_failed_ticker;
 
-            String content = null;
+            String content;
 
             // check credentials error
             boolean needsToUpdateCredentials = (
@@ -964,8 +962,8 @@ public class FileUploader extends Service
     /**
      * Checks if content provider, using the content:// scheme, returns a file with mime-type 
      * 'application/pdf' but file has not extension
-     * @param localPath
-     * @param mimeType
+     * @param localPath         Full path to a file in the local file system.
+     * @param mimeType          MIME type of the file.
      * @return true if is needed to add the pdf file extension to the file
      */
     private boolean isPdfFileFromContentProviderWithoutExtension(String localPath,
@@ -977,7 +975,7 @@ public class FileUploader extends Service
 
     /**
      * Remove uploads of an account
-     * @param accountName
+     * @param accountName       Name of an OC account
      */
     private void cancelUploadForAccount(String accountName){
         // this can be slow if there are many uploads :(
diff --git a/src/com/owncloud/android/services/OperationsService.java b/src/com/owncloud/android/services/OperationsService.java
index 82114140..7667e90a 100644
--- a/src/com/owncloud/android/services/OperationsService.java
+++ b/src/com/owncloud/android/services/OperationsService.java
@@ -34,13 +34,13 @@ import com.owncloud.android.lib.common.OwnCloudClient;
 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
 import com.owncloud.android.lib.common.OwnCloudCredentials;
 import com.owncloud.android.lib.common.OwnCloudCredentialsFactory;
-import com.owncloud.android.lib.common.accounts.AccountUtils;
 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
 import com.owncloud.android.lib.common.operations.RemoteOperation;
 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
 import com.owncloud.android.lib.common.utils.Log_OC;
 import com.owncloud.android.lib.resources.shares.ShareType;
+import com.owncloud.android.lib.resources.status.OwnCloudVersion;
 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
 import com.owncloud.android.operations.common.SyncOperation;
 import com.owncloud.android.operations.CreateFolderOperation;
@@ -354,12 +354,7 @@ public class OperationsService extends Service {
                 return true;
                 //Log_OC.wtf(TAG, "Sending callback later");
             } else {
-                if (!mServiceHandler.mPendingOperations.isEmpty()) {
-                    return true;
-                } else {
-                    return false;
-                }
-                //Log_OC.wtf(TAG, "Not finished yet");
+                return (!mServiceHandler.mPendingOperations.isEmpty());
             }
         }
         
@@ -445,9 +440,9 @@ public class OperationsService extends Service {
                             mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
                                     getClientFor(ocAccount, mService);
 
-                            AccountManager am = AccountManager.get(mService.getApplicationContext());
-                            String version = am.getUserData(mLastTarget.mAccount,
-                                    AccountUtils.Constants.KEY_OC_VERSION);
+                            OwnCloudVersion version = com.owncloud.android.authentication.AccountUtils.getServerVersion(
+                                    mLastTarget.mAccount
+                            );
                             mOwnCloudClient.setOwnCloudVersion(version);
 
                             mStorageManager = new FileDataStorageManager(
diff --git a/src/com/owncloud/android/ui/activity/FileDisplayActivity.java b/src/com/owncloud/android/ui/activity/FileDisplayActivity.java
index b1c0ffbe..7c3f6f50 100644
--- a/src/com/owncloud/android/ui/activity/FileDisplayActivity.java
+++ b/src/com/owncloud/android/ui/activity/FileDisplayActivity.java
@@ -49,7 +49,6 @@ import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentTransaction;
 import android.support.v4.view.GravityCompat;
-import android.support.v7.app.ActionBar;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
@@ -322,7 +321,7 @@ public class FileDisplayActivity extends HookActivity
                         startPlaybackPosition, autoplay);
 
             } else {
-                secondFragment = new FileDetailFragment(file, getAccount());
+                secondFragment = FileDetailFragment.newInstance(file, getAccount());
             }
         }
         return secondFragment;
@@ -621,10 +620,7 @@ public class FileDisplayActivity extends HookActivity
         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
         if (filePaths != null) {
             String[] remotePaths = new String[filePaths.length];
-            String remotePathBase = "";
-
-            if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
-                remotePathBase += OCFile.PATH_SEPARATOR;
+            String remotePathBase = getCurrentDir().getRemotePath();
             for (int j = 0; j< remotePaths.length; j++) {
                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
             }
@@ -1149,7 +1145,7 @@ public class FileDisplayActivity extends HookActivity
      */
     @Override
     public void showDetails(OCFile file) {
-        Fragment detailFragment = new FileDetailFragment(file, getAccount());
+        Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
         setSecondFragment(detailFragment);
         updateFragmentsVisibility(true);
         updateActionBarTitleAndHomeButton(file);
@@ -1641,7 +1637,7 @@ public class FileDisplayActivity extends HookActivity
      * @param file          {@link OCFile} to download and preview.
      */
     public void startDownloadForPreview(OCFile file) {
-        Fragment detailFragment = new FileDetailFragment(file, getAccount());
+        Fragment detailFragment = FileDetailFragment.newInstance(file, getAccount());
         setSecondFragment(detailFragment);
         mWaitingToPreview = file;
         requestForDownload();
diff --git a/src/com/owncloud/android/ui/fragment/ExtendedListFragment.java b/src/com/owncloud/android/ui/fragment/ExtendedListFragment.java
index 2432380f..941654b2 100644
--- a/src/com/owncloud/android/ui/fragment/ExtendedListFragment.java
+++ b/src/com/owncloud/android/ui/fragment/ExtendedListFragment.java
@@ -397,8 +397,8 @@ public class ExtendedListFragment extends Fragment
             mListFooterView.invalidate();
 
         } else {
-//            mGridView.removeFooterView(mGridFooterView);
-//            mListView.removeFooterView(mListFooterView);
+            mGridView.removeFooterView(mGridFooterView);
+            mListView.removeFooterView(mListFooterView);
         }
     }
 
diff --git a/src/com/owncloud/android/ui/fragment/FileDetailFragment.java b/src/com/owncloud/android/ui/fragment/FileDetailFragment.java
index bff9cea4..4f099e49 100644
--- a/src/com/owncloud/android/ui/fragment/FileDetailFragment.java
+++ b/src/com/owncloud/android/ui/fragment/FileDetailFragment.java
@@ -68,12 +68,34 @@ public class FileDetailFragment extends FileFragment implements OnClickListener
     private static final String TAG = FileDetailFragment.class.getSimpleName();
     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
     public static final String FTAG_RENAME_FILE = "RENAME_FILE_FRAGMENT";
-    
+
+    private static final String ARG_FILE = "FILE";
+    private static final String ARG_ACCOUNT = "ACCOUNT";
+
+
+    /**
+     * Public factory method to create new FileDetailFragment instances.
+     *
+     * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
+     *
+     * @param fileToDetail      An {@link OCFile} to show in the fragment
+     * @param account           An ownCloud account; needed to start downloads
+     * @return                  New fragment with arguments set
+     */
+    public static FileDetailFragment newInstance(OCFile fileToDetail, Account account) {
+        FileDetailFragment frag = new FileDetailFragment();
+        Bundle args = new Bundle();
+        args.putParcelable(ARG_FILE, fileToDetail);
+        args.putParcelable(ARG_ACCOUNT, account);
+        frag.setArguments(args);
+        return frag;
+    }
 
     /**
      * Creates an empty details fragment.
      * 
-     * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically. 
+     * It's necessary to keep a public constructor without parameters; the system uses it when tries
+     * to reinstantiate a fragment automatically.
      */
     public FileDetailFragment() {
         super();
@@ -82,22 +104,7 @@ public class FileDetailFragment extends FileFragment implements OnClickListener
         mProgressListener = null;
     }
     
-    /**
-     * Creates a details fragment.
-     * 
-     * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
-     * 
-     * @param fileToDetail      An {@link OCFile} to show in the fragment
-     * @param ocAccount         An ownCloud account; needed to start downloads
-     */
-    public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
-        super(fileToDetail);
-        mAccount = ocAccount;
-        mLayout = R.layout.file_details_empty;
-        mProgressListener = null;
-    }
-    
-    
+
     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -108,7 +115,10 @@ public class FileDetailFragment extends FileFragment implements OnClickListener
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
             Bundle savedInstanceState) {
-        
+
+        setFile((OCFile) getArguments().getParcelable(ARG_FILE));
+        mAccount = getArguments().getParcelable(ARG_ACCOUNT);
+
         if (savedInstanceState != null) {
             setFile((OCFile)savedInstanceState.getParcelable(FileActivity.EXTRA_FILE));
             mAccount = savedInstanceState.getParcelable(FileActivity.EXTRA_ACCOUNT);
@@ -118,9 +128,7 @@ public class FileDetailFragment extends FileFragment implements OnClickListener
             mLayout = R.layout.file_details_fragment;
         }
         
-        View view = null;
-        view = inflater.inflate(mLayout, null);
-        mView = view;
+        mView = inflater.inflate(mLayout, null);
         
         if (mLayout == R.layout.file_details_fragment) {
             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
@@ -128,9 +136,9 @@ public class FileDetailFragment extends FileFragment implements OnClickListener
             mProgressListener = new ProgressListener(progressBar);
             mView.findViewById(R.id.fdCancelBtn).setOnClickListener(this);
         }
-        
+
         updateFileDetails(false, false);
-        return view;
+        return mView;
     }
 
     @Override
@@ -337,10 +345,7 @@ public class FileDetailFragment extends FileFragment implements OnClickListener
             setFilename(file.getFileName());
             setFiletype(file.getMimetype(), file.getFileName());
             setFilesize(file.getFileLength());
-            if(ocVersionSupportsTimeCreated()){
-                setTimeCreated(file.getCreationTimestamp());
-            }
-           
+
             setTimeModified(file.getModificationTimestamp());
             
             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
@@ -390,13 +395,13 @@ public class FileDetailFragment extends FileFragment implements OnClickListener
 
     /**
      * Updates the MIME type in view
-     * @param mimetype to set
-     * @param filename
+     * @param mimetype      MIME type to set
+     * @param filename      Name of the file, to deduce the icon to use in case the MIME type is not precise enough
      */
     private void setFiletype(String mimetype, String filename) {
         TextView tv = (TextView) getView().findViewById(R.id.fdType);
         if (tv != null) {
-            String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;        
+            String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);
             tv.setText(printableMimetype);
         }
         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
@@ -416,20 +421,6 @@ public class FileDetailFragment extends FileFragment implements OnClickListener
     }
     
     /**
-     * Updates the time that the file was created in view
-     * @param milliseconds Unix time to set
-     */
-    private void setTimeCreated(long milliseconds){
-        TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
-        TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
-        if(tv != null){
-            tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
-            tv.setVisibility(View.VISIBLE);
-            tvLabel.setVisibility(View.VISIBLE);
-        }
-    }
-    
-    /**
      * Updates the time that the file was last modified
      * @param milliseconds Unix time to set
      */
@@ -492,27 +483,6 @@ public class FileDetailFragment extends FileFragment implements OnClickListener
     }
     
 
-    /**
-     * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
-     * the time that the file was created. There is a chance that this will
-     * be fixed in future versions. Use this method to check if this version of
-     * ownCloud has this fix.
-     * @return True, if ownCloud the ownCloud version is supporting creation time
-     */
-    private boolean ocVersionSupportsTimeCreated(){
-        /*if(mAccount != null){
-            AccountManager accManager = (AccountManager) getActivity()
-            .getSystemService(Context.ACCOUNT_SERVICE);
-            OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
-                    .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
-            if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
-                return true;
-            }
-        }*/
-        return false;
-    }
-    
-
     public void listenForTransferProgress() {
         if (mProgressListener != null) {
             if (mContainerActivity.getFileDownloaderBinder() != null) {
@@ -568,6 +538,6 @@ public class FileDetailFragment extends FileFragment implements OnClickListener
             mLastPercent = percent;
         }
 
-    };
+    }
 
 }
diff --git a/src/com/owncloud/android/ui/fragment/OCFileListFragment.java b/src/com/owncloud/android/ui/fragment/OCFileListFragment.java
index dd8ed029..68deb031 100644
--- a/src/com/owncloud/android/ui/fragment/OCFileListFragment.java
+++ b/src/com/owncloud/android/ui/fragment/OCFileListFragment.java
@@ -36,10 +36,13 @@ import android.widget.AdapterView;
 import android.widget.AdapterView.AdapterContextMenuInfo;
 
 import com.owncloud.android.R;
+import com.owncloud.android.authentication.AccountUtils;
 import com.owncloud.android.datamodel.FileDataStorageManager;
 import com.owncloud.android.datamodel.OCFile;
 import com.owncloud.android.files.FileMenuFilter;
 import com.owncloud.android.lib.common.utils.Log_OC;
+import com.owncloud.android.lib.resources.status.OwnCloudVersion;
+import com.owncloud.android.ui.activity.FileActivity;
 import com.owncloud.android.ui.activity.FileDisplayActivity;
 import com.owncloud.android.ui.activity.FolderPickerActivity;
 import com.owncloud.android.ui.activity.OnEnforceableRefreshListener;
@@ -54,7 +57,7 @@ import com.owncloud.android.utils.FileStorageUtils;
 /**
  * A Fragment that lists all files and folders in a given path.
  * 
- * TODO refactorize to get rid of direct dependency on FileDisplayActivity
+ * TODO refactor to get rid of direct dependency on FileDisplayActivity
  */
 public class OCFileListFragment extends ExtendedListFragment {
     
@@ -68,8 +71,6 @@ public class OCFileListFragment extends ExtendedListFragment {
             
     private static final String KEY_FILE = MY_PACKAGE + ".extra.FILE";
 
-    private final static Double THUMBNAIL_THRESHOLD = 0.5;
-
     private FileFragment.ContainerActivity mContainerActivity;
    
     private OCFile mFile = null;
@@ -429,7 +430,10 @@ public class OCFileListFragment extends ExtendedListFragment {
             setFooterText(generateFooterText(filesCount, foldersCount));
 
             // decide grid vs list view
-            if (((double)imagesCount / (double)filesCount) >= THUMBNAIL_THRESHOLD) {
+            OwnCloudVersion version = AccountUtils.getServerVersion(
+                    ((FileActivity)mContainerActivity).getAccount());
+            if (version != null && version.supportsRemoteThumbnails() &&
+                imagesCount > 0 && imagesCount == filesCount) {
                 switchToGridView();
             } else {
                 switchToListView();