Updated reference to android-library

[pub/Android/ownCloud.git] / src / com / owncloud / android / ui / activity / Preferences.java

diff --git a/src/com/owncloud/android/ui/activity/Preferences.java b/src/com/owncloud/android/ui/activity/Preferences.java
index 8d27574..2711368 100644 (file)
--- a/src/com/owncloud/android/ui/activity/Preferences.java
+++ b/src/com/owncloud/android/ui/activity/Preferences.java
@@ -3,9 +3,8 @@
  *   Copyright (C) 2012-2013 ownCloud Inc.
  *
  *   This program is free software: you can redistribute it and/or modify
  *   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.
+ *   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
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of


@@ -18,49 +17,68 @@
  */
 package com.owncloud.android.ui.activity;
 
  */
 package com.owncloud.android.ui.activity;
 

-import java.util.Vector;
-
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.accounts.AccountManagerCallback;
+import android.accounts.AccountManagerFuture;

 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager.NameNotFoundException;

+import android.net.Uri;

 import android.os.Bundle;
 import android.os.Bundle;

+import android.os.Handler;

 import android.preference.CheckBoxPreference;
 import android.preference.CheckBoxPreference;

-import android.preference.ListPreference;

 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceChangeListener;
 import android.preference.Preference.OnPreferenceClickListener;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceChangeListener;
 import android.preference.Preference.OnPreferenceClickListener;

+import android.preference.PreferenceCategory;

 import android.preference.PreferenceManager;
 import android.preference.PreferenceManager;

-import android.util.Log;
+import android.view.ContextMenu;
+import android.view.ContextMenu.ContextMenuInfo;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemLongClickListener;
+import android.widget.ListAdapter;
+import android.widget.ListView;

 
 import com.actionbarsherlock.app.ActionBar;
 import com.actionbarsherlock.app.SherlockPreferenceActivity;
 import com.actionbarsherlock.view.Menu;
 import com.actionbarsherlock.view.MenuItem;
 
 import com.actionbarsherlock.app.ActionBar;
 import com.actionbarsherlock.app.SherlockPreferenceActivity;
 import com.actionbarsherlock.view.Menu;
 import com.actionbarsherlock.view.MenuItem;

-import com.owncloud.android.Log_OC;
-import com.owncloud.android.OwnCloudSession;
+import com.owncloud.android.MainApp;

 import com.owncloud.android.R;
 import com.owncloud.android.R;

+import com.owncloud.android.authentication.AccountUtils;
+import com.owncloud.android.authentication.AuthenticatorActivity;

 import com.owncloud.android.db.DbHandler;
 import com.owncloud.android.db.DbHandler;

+import com.owncloud.android.ui.LongClickableCheckBoxPreference;
+import com.owncloud.android.utils.DisplayUtils;
+import com.owncloud.android.utils.Log_OC;
+

 
 /**
  * An Activity that allows the user to change the application's settings.
  * 
  * @author Bartek Przybylski
 
 /**
  * An Activity that allows the user to change the application's settings.
  * 
  * @author Bartek Przybylski

- * 
+ * @author David A. Velasco

  */
  */

-public class Preferences extends SherlockPreferenceActivity implements OnPreferenceChangeListener {
+public class Preferences extends SherlockPreferenceActivity implements AccountManagerCallback<Boolean> {

     
     private static final String TAG = "OwnCloudPreferences";
     
     private static final String TAG = "OwnCloudPreferences";

-    private final int mNewSession = 47;
-    private final int mEditSession = 48;
+
+    private static final String PREVIOUS_ACCOUNT_KEY = "ACCOUNT";
+

     private DbHandler mDbHandler;
     private DbHandler mDbHandler;

-    private Vector<OwnCloudSession> mSessions;
-    private ListPreference mTrackingUpdateInterval;
-    private CheckBoxPreference mDeviceTracking;

     private CheckBoxPreference pCode;
     private CheckBoxPreference pCode;

-    private CheckBoxPreference pLogging;
+    //private CheckBoxPreference pLogging;
+    //private Preference pLoggingHistory;

     private Preference pAboutApp;
     private Preference pAboutApp;

-    private int mSelectedMenuItem;
+
+    private Account mPreviousAccount = null;
+    private PreferenceCategory mAccountsPrefCategory = null;
+    private final Handler mHandler = new Handler();
+    private String mAccountName;
+    private boolean mShowContextMenu = false;

 
 
     @SuppressWarnings("deprecation")
 
 
     @SuppressWarnings("deprecation")


@@ -68,22 +86,45 @@ public class Preferences extends SherlockPreferenceActivity implements OnPrefere
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         mDbHandler = new DbHandler(getBaseContext());
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         mDbHandler = new DbHandler(getBaseContext());

-        mSessions = new Vector<OwnCloudSession>();

         addPreferencesFromResource(R.xml.preferences);
         addPreferencesFromResource(R.xml.preferences);

-        //populateAccountList();
+

         ActionBar actionBar = getSherlock().getActionBar();
         ActionBar actionBar = getSherlock().getActionBar();

+        actionBar.setIcon(DisplayUtils.getSeasonalIconId());

         actionBar.setDisplayHomeAsUpEnabled(true);
         actionBar.setDisplayHomeAsUpEnabled(true);

-        Preference p = findPreference("manage_account");
-        if (p != null)
-        p.setOnPreferenceClickListener(new OnPreferenceClickListener() {
+        
+        if (savedInstanceState != null) {
+            mPreviousAccount = savedInstanceState.getParcelable(PREVIOUS_ACCOUNT_KEY);
+        } else {
+            mPreviousAccount = AccountUtils.getCurrentOwnCloudAccount(this);
+        }
+
+        // Load the accounts category for adding the list of accounts
+        mAccountsPrefCategory = (PreferenceCategory) findPreference("accounts_category");
+
+        ListView listView = getListView();
+        listView.setOnItemLongClickListener(new OnItemLongClickListener() {

             @Override
             @Override

-            public boolean onPreferenceClick(Preference preference) {
-                Intent i = new Intent(getApplicationContext(), AccountSelectActivity.class);
-                startActivity(i);
-                return true;
+            public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
+                ListView listView = (ListView) parent;
+                ListAdapter listAdapter = listView.getAdapter();
+                Object obj = listAdapter.getItem(position);
+
+                if (obj != null && obj instanceof LongClickableCheckBoxPreference) {
+                    mShowContextMenu = true;
+                    mAccountName = obj.toString();
+
+                    Preferences.this.openContextMenu(listView);
+
+                    View.OnLongClickListener longListener = (View.OnLongClickListener) obj;
+                    return longListener.onLongClick(view);
+                }
+                return false;

             }
         });
             }
         });

-        
+
+        // Register context menu for list of preferences.
+        registerForContextMenu(getListView());
+

         pCode = (CheckBoxPreference) findPreference("set_pincode");
         if (pCode != null){
             pCode.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
         pCode = (CheckBoxPreference) findPreference("set_pincode");
         if (pCode != null){
             pCode.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {


@@ -93,30 +134,143 @@ public class Preferences extends SherlockPreferenceActivity implements OnPrefere
                     i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "preferences");
                     i.putExtra(PinCodeActivity.EXTRA_NEW_STATE, newValue.toString());
                     startActivity(i);
                     i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "preferences");
                     i.putExtra(PinCodeActivity.EXTRA_NEW_STATE, newValue.toString());
                     startActivity(i);

+                    

                     return true;
                 }
                     return true;
                 }

-            });
+            });            

             
             

-           /* About App */
+        }
+
+        PreferenceCategory preferenceCategory = (PreferenceCategory) findPreference("more");
+        
+        boolean helpEnabled = getResources().getBoolean(R.bool.help_enabled);
+        Preference pHelp =  findPreference("help");
+        if (pHelp != null ){
+            if (helpEnabled) {
+                pHelp.setOnPreferenceClickListener(new OnPreferenceClickListener() {
+                    @Override
+                    public boolean onPreferenceClick(Preference preference) {
+                        String helpWeb   =(String) getText(R.string.url_help);
+                        if (helpWeb != null && helpWeb.length() > 0) {
+                            Uri uriUrl = Uri.parse(helpWeb);
+                            Intent intent = new Intent(Intent.ACTION_VIEW, uriUrl);
+                            startActivity(intent);
+                        }
+                        return true;
+                    }
+                });
+            } else {
+                preferenceCategory.removePreference(pHelp);
+            }
+            
+        }
+        
+       
+       boolean recommendEnabled = getResources().getBoolean(R.bool.recommend_enabled);
+       Preference pRecommend =  findPreference("recommend");
+        if (pRecommend != null){
+            if (recommendEnabled) {
+                pRecommend.setOnPreferenceClickListener(new OnPreferenceClickListener() {
+                    @Override
+                    public boolean onPreferenceClick(Preference preference) {
+
+                        Intent intent = new Intent(Intent.ACTION_SENDTO); 
+                        intent.setType("text/plain");
+                        intent.setData(Uri.parse(getString(R.string.mail_recommend))); 
+                        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 
+                        
+                        String appName = getString(R.string.app_name);
+                        String downloadUrl = getString(R.string.url_app_download);
+                        Account currentAccount = AccountUtils.getCurrentOwnCloudAccount(Preferences.this);
+                        String username = currentAccount.name.substring(0, currentAccount.name.lastIndexOf('@'));
+                        
+                        String recommendSubject = String.format(getString(R.string.recommend_subject), appName);
+                        String recommendText = String.format(getString(R.string.recommend_text), appName, downloadUrl, username);
+                        
+                        intent.putExtra(Intent.EXTRA_SUBJECT, recommendSubject);
+                        intent.putExtra(Intent.EXTRA_TEXT, recommendText);
+                        startActivity(intent);
+
+
+                        return(true);
+
+                    }
+                });
+            } else {
+                preferenceCategory.removePreference(pRecommend);
+            }
+            
+        }
+        
+        boolean feedbackEnabled = getResources().getBoolean(R.bool.feedback_enabled);
+        Preference pFeedback =  findPreference("feedback");
+        if (pFeedback != null){
+            if (feedbackEnabled) {
+                pFeedback.setOnPreferenceClickListener(new OnPreferenceClickListener() {
+                    @Override
+                    public boolean onPreferenceClick(Preference preference) {
+                        String feedbackMail   =(String) getText(R.string.mail_feedback);
+                        String feedback   =(String) getText(R.string.prefs_feedback);
+                        Intent intent = new Intent(Intent.ACTION_SENDTO); 
+                        intent.setType("text/plain");
+                        intent.putExtra(Intent.EXTRA_SUBJECT, feedback);
+                        
+                        intent.setData(Uri.parse(feedbackMail)); 
+                        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 
+                        startActivity(intent);
+                        
+                        return true;
+                    }
+                });
+            } else {
+                preferenceCategory.removePreference(pFeedback);
+            }
+            
+        }
+        
+        boolean imprintEnabled = getResources().getBoolean(R.bool.imprint_enabled);
+        Preference pImprint =  findPreference("imprint");
+        if (pImprint != null) {
+            if (imprintEnabled) {
+                pImprint.setOnPreferenceClickListener(new OnPreferenceClickListener() {
+                    @Override
+                    public boolean onPreferenceClick(Preference preference) {
+                        String imprintWeb = (String) getText(R.string.url_imprint);
+                        if (imprintWeb != null && imprintWeb.length() > 0) {
+                            Uri uriUrl = Uri.parse(imprintWeb);
+                            Intent intent = new Intent(Intent.ACTION_VIEW, uriUrl);
+                            startActivity(intent);
+                        }
+                        //ImprintDialog.newInstance(true).show(preference.get, "IMPRINT_DIALOG");
+                        return true;
+                    }
+                });
+            } else {
+                preferenceCategory.removePreference(pImprint);
+            }
+        }
+            
+        /* About App */

        pAboutApp = (Preference) findPreference("about_app");
        if (pAboutApp != null) { 
        pAboutApp = (Preference) findPreference("about_app");
        if (pAboutApp != null) { 

-               pAboutApp.setTitle(getString(R.string.app_name)+" "+getString(R.string.about_android));
+               pAboutApp.setTitle(String.format(getString(R.string.about_android), getString(R.string.app_name)));

                PackageInfo pkg;
                try {
                    pkg = getPackageManager().getPackageInfo(getPackageName(), 0);
                PackageInfo pkg;
                try {
                    pkg = getPackageManager().getPackageInfo(getPackageName(), 0);

-                   pAboutApp.setSummary(getString(R.string.about_version)+" "+pkg.versionName);
+                   pAboutApp.setSummary(String.format(getString(R.string.about_version), pkg.versionName));

                } catch (NameNotFoundException e) {
                    Log_OC.e(TAG, "Error while showing about dialog", e);
                }
        }
                } catch (NameNotFoundException e) {
                    Log_OC.e(TAG, "Error while showing about dialog", e);
                }
        }

-       pLogging = (CheckBoxPreference) findPreference("log_to_file");

        
        

+       /* DISABLED FOR RELEASE UNTIL FIXED 
+       pLogging = (CheckBoxPreference) findPreference("log_to_file");

        if (pLogging != null) {
            pLogging.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
                @Override
                public boolean onPreferenceChange(Preference preference, Object newValue) {
                    
        if (pLogging != null) {
            pLogging.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
                @Override
                public boolean onPreferenceChange(Preference preference, Object newValue) {
                    

-                   String logpath = getApplicationContext().getFilesDir().getAbsolutePath();
+                   String logpath = Environment.getExternalStorageDirectory()+File.separator+"owncloud"+File.separator+"log";

                 
                    if(!pLogging.isChecked()) {
                        Log_OC.d("Debug", "start logging");
                 
                    if(!pLogging.isChecked()) {
                        Log_OC.d("Debug", "start logging");


@@ -130,17 +284,93 @@ public class Preferences extends SherlockPreferenceActivity implements OnPrefere
                    return true;
                }
            });
                    return true;
                }
            });

+       }

        
        

+       pLoggingHistory = (Preference) findPreference("log_history");
+       if (pLoggingHistory != null) {
+           pLoggingHistory.setOnPreferenceClickListener(new OnPreferenceClickListener() {
+            
+            @Override
+            public boolean onPreferenceClick(Preference preference) {
+                Intent intent = new Intent(getApplicationContext(),LogHistoryActivity.class);
+                startActivity(intent);
+                return true;
+            }
+        });

        }
        }

-      }
+       */
+       
+    }
+
+    @Override
+    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
+
+        // Filter for only showing contextual menu when long press on the
+        // accounts
+        if (mShowContextMenu) {
+            getMenuInflater().inflate(R.menu.account_picker_long_click, menu);
+            mShowContextMenu = false;
+        }
+        super.onCreateContextMenu(menu, v, menuInfo);
+    }
+
+    /**
+     * Called when the user clicked on an item into the context menu created at
+     * {@link #onCreateContextMenu(ContextMenu, View, ContextMenuInfo)} for
+     * every ownCloud {@link Account} , containing 'secondary actions' for them.
+     * 
+     * {@inheritDoc}
+     */
+    @Override
+    public boolean onContextItemSelected(android.view.MenuItem item) {
+        AccountManager am = (AccountManager) getSystemService(ACCOUNT_SERVICE);
+        Account accounts[] = am.getAccountsByType(MainApp.getAccountType());
+        for (Account a : accounts) {
+            if (a.name.equals(mAccountName)) {
+                if (item.getItemId() == R.id.change_password) {
+
+                    // Change account password
+                    Intent updateAccountCredentials = new Intent(this, AuthenticatorActivity.class);
+                    updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACCOUNT, a);
+                    updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACTION,
+                            AuthenticatorActivity.ACTION_UPDATE_TOKEN);
+                    startActivity(updateAccountCredentials);
+
+                } else if (item.getItemId() == R.id.delete_account) {
+
+                    // Remove account
+                    am.removeAccount(a, this, mHandler);
+                }
+            }
+        }
+
+        return true;
+    }
+
+    @Override
+    public void run(AccountManagerFuture<Boolean> future) {
+        if (future.isDone()) {
+            Account a = AccountUtils.getCurrentOwnCloudAccount(this);
+            String accountName = "";
+            if (a == null) {
+                Account[] accounts = AccountManager.get(this).getAccountsByType(MainApp.getAccountType());
+                if (accounts.length != 0)
+                    accountName = accounts[0].name;
+                AccountUtils.setCurrentOwnCloudAccount(this, accountName);
+            }
+            addAccountsCheckboxPreferences();
+        }

     }
 
     @Override
     protected void onResume() {
     }
 
     @Override
     protected void onResume() {

+        super.onResume();

         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
         boolean state = appPrefs.getBoolean("set_pincode", false);
         pCode.setChecked(state);
         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
         boolean state = appPrefs.getBoolean("set_pincode", false);
         pCode.setChecked(state);

-        super.onResume();
+
+        // Populate the accounts category with the list of accounts
+        addAccountsCheckboxPreferences();

     }
 
     @Override
     }
 
     @Override


@@ -155,21 +385,6 @@ public class Preferences extends SherlockPreferenceActivity implements OnPrefere
         Intent intent;
 
         switch (item.getItemId()) {
         Intent intent;
 
         switch (item.getItemId()) {

-        //case R.id.addSessionItem:
-        case 1:
-            intent = new Intent(this, PreferencesNewSession.class);
-            startActivityForResult(intent, mNewSession);
-            break;
-        case R.id.SessionContextEdit:
-            intent = new Intent(this, PreferencesNewSession.class);
-            intent.putExtra("sessionId", mSessions.get(mSelectedMenuItem)
-                    .getEntryId());
-            intent.putExtra("sessionName", mSessions.get(mSelectedMenuItem)
-                    .getName());
-            intent.putExtra("sessionURL", mSessions.get(mSelectedMenuItem)
-                    .getUrl());
-            startActivityForResult(intent, mEditSession);
-            break;

         case android.R.id.home:
             intent = new Intent(getBaseContext(), FileDisplayActivity.class);
             intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
         case android.R.id.home:
             intent = new Intent(getBaseContext(), FileDisplayActivity.class);
             intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);


@@ -192,36 +407,110 @@ public class Preferences extends SherlockPreferenceActivity implements OnPrefere
         mDbHandler.close();
         super.onDestroy();
     }
         mDbHandler.close();
         super.onDestroy();
     }

-    
-    @Override
+

     /**
     /**

-     * Updates various summaries after updates. Also starts and stops 
-     * the
+     * Create the list of accounts that has been added into the app

      */
      */

-    public boolean onPreferenceChange(Preference preference, Object newValue) {
-        // Update current account summary
-        /*if (preference.equals(mAccountList)) {
-            mAccountList.setSummary(newValue.toString());
+    @SuppressWarnings("deprecation")
+    private void addAccountsCheckboxPreferences() {
+
+        // Remove accounts in case list is refreshing for avoiding to have
+        // duplicate items
+        if (mAccountsPrefCategory.getPreferenceCount() > 0) {
+            mAccountsPrefCategory.removeAll();
+        }
+
+        AccountManager am = (AccountManager) getSystemService(ACCOUNT_SERVICE);
+        Account accounts[] = am.getAccountsByType(MainApp.getAccountType());
+        Account currentAccount = AccountUtils.getCurrentOwnCloudAccount(getApplicationContext());
+
+        if (am.getAccountsByType(MainApp.getAccountType()).length == 0) {
+            // Show create account screen if there isn't any account
+            am.addAccount(MainApp.getAccountType(), null, null, null, this,
+                    null,
+                    null);

         }
         }

+        else {
+
+            for (Account a : accounts) {
+                LongClickableCheckBoxPreference accountPreference = new LongClickableCheckBoxPreference(this);
+                accountPreference.setKey(a.name);
+                accountPreference.setTitle(a.name);
+                mAccountsPrefCategory.addPreference(accountPreference);
+
+                // Check the current account that is being used
+                if (a.name.equals(currentAccount.name)) {
+                    accountPreference.setChecked(true);
+                } else {
+                    accountPreference.setChecked(false);
+                }
+
+                accountPreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
+                    @Override
+                    public boolean onPreferenceChange(Preference preference, Object newValue) {
+                        String key = preference.getKey();
+                        AccountManager am = (AccountManager) getSystemService(ACCOUNT_SERVICE);
+                        Account accounts[] = am.getAccountsByType(MainApp.getAccountType());
+                        for (Account a : accounts) {
+                            CheckBoxPreference p = (CheckBoxPreference) findPreference(a.name);
+                            if (key.equals(a.name)) {
+                                p.setChecked(true);
+                                AccountUtils.setCurrentOwnCloudAccount(getApplicationContext(), a.name);
+                            } else {
+                                p.setChecked(false);
+                            }
+                        }
+                        return (Boolean) newValue;
+                    }
+                });
+
+            }
+
+            // Add Create Account preference at the end of account list if
+            // Multiaccount is enabled
+            if (getResources().getBoolean(R.bool.multiaccount_support)) {
+                createAddAccountPreference();
+            }

 
 

-        // Update tracking interval summary
-        else*/ if (preference.equals(mTrackingUpdateInterval)) {
-            String trackingSummary = getResources().getString(
-                    R.string.prefs_trackmydevice_interval_summary);
-            trackingSummary = String.format(trackingSummary,
-                    newValue.toString());
-            mTrackingUpdateInterval.setSummary(trackingSummary);

         }
         }

+    }

 
 

-        // Start or stop tracking service
-        else if (preference.equals(mDeviceTracking)) {
-            Intent locationServiceIntent = new Intent();
-            locationServiceIntent
-                    .setAction("com.owncloud.android.location.LocationLauncher");
-            locationServiceIntent.putExtra("TRACKING_SETTING",
-                    (Boolean) newValue);
-            sendBroadcast(locationServiceIntent);
-        } 
-        return true;
+    /**
+     * Create the preference for allow adding new accounts
+     */
+    private void createAddAccountPreference() {
+        Preference addAccountPref = new Preference(this);
+        addAccountPref.setKey("add_account");
+        addAccountPref.setTitle(getString(R.string.prefs_add_account));
+        mAccountsPrefCategory.addPreference(addAccountPref);
+
+        addAccountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
+            @Override
+            public boolean onPreferenceClick(Preference preference) {
+                AccountManager am = AccountManager.get(getApplicationContext());
+                am.addAccount(MainApp.getAccountType(), null, null, null, Preferences.this, null, null);
+                return true;
+            }
+        });
+
+    }
+
+    @Override
+    protected void onPause() {
+        if (this.isFinishing()) {
+            Account current = AccountUtils.getCurrentOwnCloudAccount(this);
+            if ((mPreviousAccount == null && current != null)
+                    || (mPreviousAccount != null && !mPreviousAccount.equals(current))) {
+                // the account set as default changed since this activity was
+                // created
+
+                // restart the main activity
+                Intent i = new Intent(this, FileDisplayActivity.class);
+                i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+                startActivity(i);
+            }
+        }
+        super.onPause();

     }
     }

+

 }
 }