* moved advanced settings to own preference screen

* added setting to fake user agent (see https://plus.google.com/u/0/104992284359985480029/posts/9mPFLPKjgvL)
* bumped version number

mobile/src/com/cradle/iitc_mobile/fragments/MainSettings.java

@@ -1,5 +1,6 @@
 package com.cradle.iitc_mobile.fragments;
 
+import android.app.Dialog;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
@@ -9,6 +10,13 @@ import android.preference.ListPreference;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceChangeListener;
 import android.preference.PreferenceFragment;
+import android.preference.PreferenceScreen;
+import android.util.Log;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.ViewParent;
+import android.widget.FrameLayout;
+import android.widget.LinearLayout;
 
 import com.cradle.iitc_mobile.R;
 
@@ -60,4 +68,55 @@ public class MainSettings extends PreferenceFragment {
                 + " " + pref_iitc_source.getText();
         pref_iitc_source.setSummary(pref_iitc_source_sum);
     }
+
+    // we want a home button + HomeAsUpEnabled in nested preferences
+    // for some odd reasons android is not able to do this by default
+    // so we need some additional hacks...
+    // thx to http://stackoverflow.com/a/16800527/2638486 !!
+    @Override
+    public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
+        if (preference.getTitle().toString().equals(getString(R.string.pref_advanced_options)))
+            initializeActionBar((PreferenceScreen) preference);
+        return super.onPreferenceTreeClick(preferenceScreen, preference);
+    }
+
+    // Apply custom home button area click listener to close the PreferenceScreen
+    // because PreferenceScreens are dialogs which swallow
+    // events instead of passing to the activity
+    // Related Issue: https://code.google.com/p/android/issues/detail?id=4611
+    public static void initializeActionBar(PreferenceScreen preferenceScreen) {
+        final Dialog dialog = preferenceScreen.getDialog();
+
+        if (dialog != null) {
+            dialog.getActionBar().setDisplayHomeAsUpEnabled(true);
+
+            View homeBtn = dialog.findViewById(android.R.id.home);
+
+            if (homeBtn != null) {
+                View.OnClickListener dismissDialogClickListener = new View.OnClickListener() {
+                    @Override
+                    public void onClick(View v) {
+                        dialog.dismiss();
+                    }
+                };
+
+                ViewParent homeBtnContainer = homeBtn.getParent();
+
+                // The home button is an ImageView inside a FrameLayout
+                if (homeBtnContainer instanceof FrameLayout) {
+                    ViewGroup containerParent = (ViewGroup) homeBtnContainer.getParent();
+
+                    if (containerParent instanceof LinearLayout) {
+                        // This view also contains the title text, set the whole view as clickable
+                        ((LinearLayout) containerParent).setOnClickListener(dismissDialogClickListener);
+                    } else {
+                        // Just set it on the home button
+                        ((FrameLayout) homeBtnContainer).setOnClickListener(dismissDialogClickListener);
+                    }
+                } else {
+                    homeBtn.setOnClickListener(dismissDialogClickListener);
+                }
+            }
+        }
+    }
 }