diff --git a/app/src/main/java/gr/thmmy/mthmmy/activities/LoginActivity.java b/app/src/main/java/gr/thmmy/mthmmy/activities/LoginActivity.java
index d6c840ad..1a5ad05f 100644
--- a/app/src/main/java/gr/thmmy/mthmmy/activities/LoginActivity.java
+++ b/app/src/main/java/gr/thmmy/mthmmy/activities/LoginActivity.java
@@ -18,7 +18,6 @@ import gr.thmmy.mthmmy.R;
 import gr.thmmy.mthmmy.activities.main.MainActivity;
 import gr.thmmy.mthmmy.base.BaseActivity;
 import gr.thmmy.mthmmy.base.BaseApplication;
-import timber.log.Timber;
 
 import static gr.thmmy.mthmmy.session.SessionManager.BANNED_USER;
 import static gr.thmmy.mthmmy.session.SessionManager.CONNECTION_ERROR;
diff --git a/app/src/main/res/xml-v26/app_preferences_guest.xml b/app/src/main/res/xml-v26/app_preferences_guest.xml
new file mode 100644
index 00000000..ee4ff969
--- /dev/null
+++ b/app/src/main/res/xml-v26/app_preferences_guest.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.v7.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <android.support.v7.preference.PreferenceCategory android:title="@string/pref_category_app">
+        <android.support.v7.preference.ListPreference
+            android:defaultValue="0"
+            android:dialogTitle="@string/pref_app_main_default_tab_dialog_title"
+            android:entries="@array/pref_app_main_default_tab_entries"
+            android:entryValues="@array/pref_app_main_default_tab_values"
+            android:key="pref_app_main_default_tab_key"
+            android:title="@string/pref_title_app_main_default_tab"
+            android:summary="@string/pref_summary_app_main_default_tab" />
+    </android.support.v7.preference.PreferenceCategory>
+
+    <android.support.v7.preference.PreferenceCategory
+        android:key="pref_category_privacy_key"
+        android:title="@string/pref_category_privacy">
+        <android.support.v7.preference.SwitchPreferenceCompat
+            android:defaultValue="false"
+            android:key="@string/pref_privacy_crashlytics_enable_key"
+            android:title="@string/pref_title_privacy_crashlytics_enable"
+            android:summary="@string/pref_summary_privacy_crashlytics_enable" />
+        <android.support.v7.preference.SwitchPreferenceCompat
+            android:defaultValue="false"
+            android:key="@string/pref_privacy_analytics_enable_key"
+            android:title="@string/pref_title_privacy_analytics_enable"
+            android:summary="@string/pref_summary_privacy_analytics_enable" />
+    </android.support.v7.preference.PreferenceCategory>
+
+</android.support.v7.preference.PreferenceScreen>
diff --git a/app/src/main/res/xml-v26/app_preferences_user.xml b/app/src/main/res/xml-v26/app_preferences_user.xml
new file mode 100644
index 00000000..4b62ebdb
--- /dev/null
+++ b/app/src/main/res/xml-v26/app_preferences_user.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.v7.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <android.support.v7.preference.PreferenceCategory android:title="@string/pref_category_app">
+        <android.support.v7.preference.ListPreference
+            android:defaultValue="0"
+            android:dialogTitle="@string/pref_app_main_default_tab_dialog_title"
+            android:entries="@array/pref_app_main_default_tab_entries"
+            android:entryValues="@array/pref_app_main_default_tab_values"
+            android:key="pref_app_main_default_tab_key"
+            android:title="@string/pref_title_app_main_default_tab"
+            android:summary="@string/pref_summary_app_main_default_tab" />
+    </android.support.v7.preference.PreferenceCategory>
+
+    <android.support.v7.preference.PreferenceCategory
+        android:key="pref_category_posting_key"
+        android:title="@string/pref_category_posting">
+        <android.support.v7.preference.SwitchPreferenceCompat
+            android:defaultValue="true"
+            android:key="pref_posting_app_signature_enable_key"
+            android:title="@string/pref_title_posting_app_signature_enable"
+            android:summary="@string/pref_summary_posting_app_signature_enable" />
+    </android.support.v7.preference.PreferenceCategory>
+
+    <!--<android.support.v7.preference.PreferenceCategory
+        android:key="pref_category_uploading_key"
+        android:title="@string/pref_category_uploading">
+        <android.support.v7.preference.SwitchPreferenceCompat
+            android:defaultValue="true"
+            android:key="pref_uploading_app_signature_enable_key"
+            android:title="@string/pref_title_uploading_app_signature_enable"
+            android:summary="@string/pref_summary_uploading_app_signature_enable" />
+    </android.support.v7.preference.PreferenceCategory>-->
+
+    <android.support.v7.preference.PreferenceCategory
+        android:key="pref_category_privacy_key"
+        android:title="@string/pref_category_privacy">
+        <android.support.v7.preference.SwitchPreferenceCompat
+            android:defaultValue="false"
+            android:key="@string/pref_privacy_crashlytics_enable_key"
+            android:title="@string/pref_title_privacy_crashlytics_enable"
+            android:summary="@string/pref_summary_privacy_crashlytics_enable" />
+        <android.support.v7.preference.SwitchPreferenceCompat
+            android:defaultValue="false"
+            android:key="@string/pref_privacy_analytics_enable_key"
+            android:title="@string/pref_title_privacy_analytics_enable"
+            android:summary="@string/pref_summary_privacy_analytics_enable" />
+    </android.support.v7.preference.PreferenceCategory>
+
+</android.support.v7.preference.PreferenceScreen>