Update preferences and style

res/values/styles.xml

@@ -47,8 +47,8 @@
 	
 	
 	<style name="Theme.ownCloud.Widget.ActionBar" parent="style/Widget.Sherlock.Light.ActionBar.Solid.Inverse">
-    	<item name="android:background">@drawable/mdcloud_blue_gradient</item>
-    	<item name="background">@drawable/mdcloud_blue_gradient</item>
+    	<item name="android:background">@drawable/main_header_bg</item>
+    	<item name="background">@drawable/main_header_bg</item>
     	<item name="android:textColor">#ffffff</item>
     	<item name="android:shadowColor">#222222</item>
     	<item name="android:shadowRadius">1</item>

src/com/owncloud/android/ui/activity/Preferences.java

@@ -142,14 +142,14 @@ public class Preferences extends SherlockPreferenceActivity implements OnPrefere
 
                         Intent intent = new Intent(Intent.ACTION_SENDTO); 
                         intent.setType("text/plain");
-                        Account currentAccount = AccountUtils.getCurrentOwnCloudAccount(Preferences.this);
+                        //Account currentAccount = AccountUtils.getCurrentOwnCloudAccount(Preferences.this);
                         String appName = getString(R.string.app_name);
-                        String username = currentAccount.name.substring(0, currentAccount.name.lastIndexOf('@')); 
-                        String recommendSubject = String.format(getString(R.string.recommend_subject), username, appName);
-                        //String recommendSubject = String.format(getString(R.string.recommend_subject), appName);
+                        //String username = currentAccount.name.substring(0, currentAccount.name.lastIndexOf('@')); 
+                        //String recommendSubject = String.format(getString(R.string.recommend_subject), username, appName);
+                        String recommendSubject = String.format(getString(R.string.recommend_subject), appName);
                         intent.putExtra(Intent.EXTRA_SUBJECT, recommendSubject);
-                        String recommendText = String.format(getString(R.string.recommend_text), getString(R.string.app_name), username);
-                        //String recommendText = String.format(getString(R.string.recommend_text), getString(R.string.app_name), getString(R.string.url_app_download));
+                        //String recommendText = String.format(getString(R.string.recommend_text), getString(R.string.app_name), username);
+                        String recommendText = String.format(getString(R.string.recommend_text), getString(R.string.app_name), getString(R.string.url_app_download));
                         intent.putExtra(Intent.EXTRA_TEXT, recommendText);
 
                         intent.setData(Uri.parse(getString(R.string.mail_recommend)));