diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index fb12c1ace..506a7307e 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -114,12 +114,12 @@
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".DatabaseMigrationActivity"
-              android:theme="@style/NoAnimation.Theme.Sherlock.Light.DarkActionBar"
+              android:theme="@style/NoAnimation.Theme.AppCompat.Light.DarkActionBar"
               android:launchMode="singleTask"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".DatabaseUpgradeActivity"
-              android:theme="@style/NoAnimation.Theme.Sherlock.Light.DarkActionBar"
+              android:theme="@style/NoAnimation.Theme.AppCompat.Light.DarkActionBar"
               android:launchMode="singleTask"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
@@ -194,7 +194,6 @@
 
     <activity android:name=".MediaPreviewActivity"
               android:label="@string/AndroidManifest__media_preview"
-              android:theme="@style/TextSecure.DarkTheme"
               android:windowSoftInputMode="stateHidden"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
diff --git a/build.gradle b/build.gradle
index 82183086e..9e581d343 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,7 +18,7 @@ repositories {
         url "https://repo1.maven.org/maven2"
     }
     maven {
-        url "https://raw.github.com/whispersystems/maven/master/gcm-client/releases/"
+        url "https://raw.github.com/whispersystems/maven/master/preferencefragment/releases/"
     }
     maven {
         url "https://raw.github.com/whispersystems/maven/master/gson/releases/"
@@ -29,14 +29,16 @@ repositories {
 }
 
 dependencies {
-    compile 'com.actionbarsherlock:actionbarsherlock:4.4.0@aar'
-    compile 'com.android.support:support-v4:20.0.0'
     compile 'se.emilsjolander:stickylistheaders:2.2.0'
-    compile 'com.google.android.gms:play-services:5.0.89'
+    compile 'com.google.android.gms:play-services:6.1.71'
     compile 'com.astuetz:pagerslidingtabstrip:1.0.1'
     compile 'org.w3c:smil:1.0.0'
     compile 'org.apache.httpcomponents:httpclient-android:4.3.5'
     compile 'com.github.chrisbanes.photoview:library:1.2.3'
+    compile 'com.android.support:appcompat-v7:21.0.0'
+    compile ('com.android.support:support-v4-preferencefragment:1.0.0@aar'){
+        exclude module: 'support-v4'
+    }
 
     androidTestCompile 'com.squareup:fest-android:1.0.8'
     androidTestCompile 'com.google.dexmaker:dexmaker:1.1'
@@ -48,29 +50,30 @@ dependencies {
 
 dependencyVerification {
     verify = [
-            'com.actionbarsherlock:actionbarsherlock:5ab04d74101f70024b222e3ff9c87bee151ec43331b4a2134b6cc08cf8565819',
-            'com.android.support:support-v4:81f2b1c2c94efd5a4ec7fcd97b6cdcd00e87a933905c5c86103c7319eb024572',
             'se.emilsjolander:stickylistheaders:89146b46c96fea0e40200474a2625cda10fe94891e4128f53cdb42375091b9b6',
-            'com.google.android.gms:play-services:38f326e525830f1d70f60f594ceafcbdf5b312287ddbecd338fd1ed7958a4b1e',
+            'com.google.android.gms:play-services:32e7d1834a1cf8fa4b17e8d359db580c286e26c1eefbf84fdb9996eac8d74919',
             'com.astuetz:pagerslidingtabstrip:f1641396732c7132a7abb837e482e5ee2b0ebb8d10813fc52bbaec2c15c184c2',
             'org.w3c:smil:085dc40f2bb249651578bfa07499fd08b16ad0886dbe2c4078586a408da62f9b',
             'org.apache.httpcomponents:httpclient-android:6f56466a9bd0d42934b90bfbfe9977a8b654c058bf44a12bdc2877c4e1f033f1',
-            'com.android.support:support-annotations:1aa96ef0cc4a445bfc2f93ccf762305bc57fa107b12afe9d11f3863ae8a11036',
+            'com.android.support:appcompat-v7:45e999dda55fe81d9cc1c7342b7b70480ff3f307baa8da0df767f92fc5c52cd1',
+            'com.android.support:support-v4-preferencefragment:5470f5872514a6226fa1fc6f4e000991f38805691c534cf0bd2778911fc773ad',
             'com.google.protobuf:protobuf-java:e0c1c64575c005601725e7c6a02cebf9e1285e888f756b2a1d73ffa8d725cc74',
             'com.madgag:sc-light-jdk15on:931f39d351429fb96c2f749e7ecb1a256a8ebbf5edca7995c9cc085b94d1841d',
             'com.googlecode.libphonenumber:libphonenumber:eba17eae81dd622ea89a00a3a8c025b2f25d342e0d9644c5b62e16f15687c3ab',
             'org.whispersystems:gson:08f4f7498455d1539c9233e5aac18e9b1805815ef29221572996508eb512fe51',
-            'com.github.chrisbanes.photoview:library:8b5344e206f125e7ba9d684008f36c4992d03853c57e5814125f88496126e3cc'
+            'com.github.chrisbanes.photoview:library:8b5344e206f125e7ba9d684008f36c4992d03853c57e5814125f88496126e3cc',
+            'com.android.support:support-v4:199ef7bb169386c80b4836354df6747ce2ae3d24434db923c22439e47106a1e2',
+            'com.android.support:support-annotations:e9e817959d1b846349e93b796537bdaef84aef2c67d8b8b2acc31c6ef540d559',
     ]
 }
 
 android {
-    compileSdkVersion 19
-    buildToolsVersion '19.1.0'
+    compileSdkVersion 21
+    buildToolsVersion '21.0.2'
 
     defaultConfig {
         minSdkVersion 9
-        targetSdkVersion 19
+        targetSdkVersion 21
     }
 
     compileOptions {
diff --git a/res/layout/media_preview_activity.xml b/res/layout/media_preview_activity.xml
index a5f818762..dfef0dd41 100644
--- a/res/layout/media_preview_activity.xml
+++ b/res/layout/media_preview_activity.xml
@@ -2,7 +2,8 @@
 
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
                 android:layout_width="match_parent"
-                android:layout_height="match_parent">
+                android:layout_height="match_parent"
+                android:background="@color/gray95">
 
     <ImageView android:id="@+id/image"
                android:layout_width="match_parent"
diff --git a/res/menu/contact_selection.xml b/res/menu/contact_selection.xml
index 9405d289d..5505905cf 100644
--- a/res/menu/contact_selection.xml
+++ b/res/menu/contact_selection.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
     <item android:title="@string/contact_selection__menu_finished"
           android:id="@+id/menu_selection_finished"
           android:icon="?menu_accept_icon"
-          android:showAsAction="ifRoom"
+          app:showAsAction="ifRoom"
           />
 
 </menu>
\ No newline at end of file
diff --git a/res/menu/conversation_callable.xml b/res/menu/conversation_callable.xml
index 43f5e5fd6..fc027c8f4 100644
--- a/res/menu/conversation_callable.xml
+++ b/res/menu/conversation_callable.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <item android:title="@string/conversation_callable__menu_call"
           android:id="@+id/menu_call"
           android:icon="?menu_call_icon"
-          android:showAsAction="ifRoom" />
+          app:showAsAction="ifRoom" />
 
 </menu>
diff --git a/res/menu/conversation_context.xml b/res/menu/conversation_context.xml
index a8c6ac703..6d7fe4295 100644
--- a/res/menu/conversation_context.xml
+++ b/res/menu/conversation_context.xml
@@ -1,33 +1,33 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
     <item android:title="@string/conversation_context__menu_message_details"
           android:id="@+id/menu_context_details"
           android:icon="?menu_info_icon"
-          android:showAsAction="always" />
+          app:showAsAction="always" />
 
     <item android:title="@string/conversation_context__menu_delete_message"
         android:id="@+id/menu_context_delete_message"
         android:icon="?menu_trash_icon"
-        android:showAsAction="always" />
+        app:showAsAction="always" />
 
     <item android:title="@string/conversation_context__menu_copy_text"
           android:id="@+id/menu_context_copy"
           android:icon="?menu_copy_icon"
-          android:showAsAction="always" />
+          app:showAsAction="always" />
 
     <item android:title="@string/conversation_context__menu_forward_message"
           android:id="@+id/menu_context_forward"
           android:icon="?menu_forward_icon"
-          android:showAsAction="ifRoom" />
+          app:showAsAction="ifRoom" />
 
     <item android:title="@string/conversation_context__menu_resend_message"
           android:id="@+id/menu_context_resend"
           android:visible="false"
-          android:showAsAction="never" />
+          app:showAsAction="never" />
 
     <item android:title="@string/conversation_context_image__save_attachment"
           android:id="@+id/menu_context_save_attachment"
           android:visible="false"
           android:icon="?menu_save_icon"
-          android:showAsAction="always" />
+          app:showAsAction="always" />
 </menu>
diff --git a/res/menu/conversation_group_options.xml b/res/menu/conversation_group_options.xml
index 9409f5f69..128d7db28 100644
--- a/res/menu/conversation_group_options.xml
+++ b/res/menu/conversation_group_options.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <item android:title="@string/convesation_group_options__recipients_list"
           android:id="@+id/menu_group_recipients"
           android:icon="?menu_group_icon"
-          android:showAsAction="ifRoom" />
+          app:showAsAction="ifRoom" />
 
 </menu>
diff --git a/res/menu/conversation_insecure.xml b/res/menu/conversation_insecure.xml
index afbc14111..7ba1e70a4 100644
--- a/res/menu/conversation_insecure.xml
+++ b/res/menu/conversation_insecure.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
     <item android:title="Security"
           android:id="@+id/menu_security"
           android:icon="?menu_unlock_icon"
-          android:showAsAction="ifRoom">
+          app:showAsAction="ifRoom">
           <menu>
               <item android:title="@string/conversation_insecure__menu_start_secure_session"
                     android:id="@+id/menu_start_secure_session" />
diff --git a/res/menu/conversation_list.xml b/res/menu/conversation_list.xml
index cdea06f8c..b6804e62d 100644
--- a/res/menu/conversation_list.xml
+++ b/res/menu/conversation_list.xml
@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+      xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <item android:title="@string/conversation_list__menu_search"
           android:id="@+id/menu_search"
           android:icon="?attr/menu_search_icon"
-          android:actionViewClass="com.actionbarsherlock.widget.SearchView"
-          android:showAsAction="ifRoom|collapseActionView" />
+          app:actionViewClass="android.support.v7.widget.SearchView"
+          app:showAsAction="ifRoom|collapseActionView" />
 
 </menu>
diff --git a/res/menu/conversation_list_batch.xml b/res/menu/conversation_list_batch.xml
index 5df960532..a61042f5d 100644
--- a/res/menu/conversation_list_batch.xml
+++ b/res/menu/conversation_list_batch.xml
@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+      xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <item android:title="@string/conversation_list_batch__menu_delete_selected"
           android:id="@+id/menu_delete_selected"
           android:icon="?menu_trash_icon"
-          android:showAsAction="ifRoom" />
+          app:showAsAction="ifRoom" />
 
     <item android:title="@string/conversation_list_batch__menu_select_all"
           android:id="@+id/menu_select_all"
diff --git a/res/menu/conversation_list_empty.xml b/res/menu/conversation_list_empty.xml
index c4acdcfe0..47c3dba2c 100644
--- a/res/menu/conversation_list_empty.xml
+++ b/res/menu/conversation_list_empty.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+      xmlns:app="http://schemas.android.com/apk/res-auto">
     <item android:id="@+id/fake_menu_item"
-          android:actionLayout="@layout/empty2"
-          android:showAsAction="ifRoom" />
+          app:actionLayout="@layout/empty2"
+          app:showAsAction="ifRoom" />
 </menu>
\ No newline at end of file
diff --git a/res/menu/conversation_mms_group_options.xml b/res/menu/conversation_mms_group_options.xml
index c22e66942..7c6e4a1ec 100644
--- a/res/menu/conversation_mms_group_options.xml
+++ b/res/menu/conversation_mms_group_options.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <item android:title="@string/conversation_group_options__delivery"
           android:id="@+id/menu_group_delivery"
           android:icon="?menu_split_icon"
-          android:showAsAction="ifRoom" >
+          app:showAsAction="ifRoom" >
 
         <menu>
             <group android:id="@+id/distribution_group"
diff --git a/res/menu/conversation_push_group_options.xml b/res/menu/conversation_push_group_options.xml
index 1b3bc4983..a25949fdf 100644
--- a/res/menu/conversation_push_group_options.xml
+++ b/res/menu/conversation_push_group_options.xml
@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <item android:id="@+id/menu_edit_group"
           android:title="@string/conversation__menu_update_group"
-          android:showAsAction="collapseActionView" />
+          app:showAsAction="collapseActionView" />
 
     <item android:id="@+id/menu_leave"
           android:title="@string/conversation__menu_leave_group"
-          android:showAsAction="collapseActionView"/>
+          app:showAsAction="collapseActionView"/>
 
 </menu>
diff --git a/res/menu/conversation_secure_identity.xml b/res/menu/conversation_secure_identity.xml
index 7d0ec143a..a1623b622 100644
--- a/res/menu/conversation_secure_identity.xml
+++ b/res/menu/conversation_secure_identity.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
     <item android:title="@string/conversation_secure_verified__menu_security"
           android:id="@+id/menu_security"
           android:icon="?menu_lock_icon"
-          android:showAsAction="ifRoom">
+          app:showAsAction="ifRoom">
           <menu>
               <item android:title="@string/conversation_secure_verified__menu_verify_identity"
                     android:id="@+id/menu_verify_identity"/>
diff --git a/res/menu/group_create.xml b/res/menu/group_create.xml
index 7eec73702..24b6b4144 100644
--- a/res/menu/group_create.xml
+++ b/res/menu/group_create.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <item android:title="@string/GroupCreateActivity_menu_create_title"
           android:id="@+id/menu_create_group"
           android:icon="?menu_accept_icon"
-          android:showAsAction="always|withText"/>
+          app:showAsAction="always|withText"/>
 
 </menu>
\ No newline at end of file
diff --git a/res/menu/key_scanning.xml b/res/menu/key_scanning.xml
index 7c36bc3ed..1c277f9c9 100644
--- a/res/menu/key_scanning.xml
+++ b/res/menu/key_scanning.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <item android:title="@string/key_scanning__menu_compare"
           android:id="@+id/menu_barcode"
           android:icon="@drawable/ic_menu_barcode"
-          android:showAsAction="ifRoom">
+          app:showAsAction="ifRoom">
 
         <menu>
             <item android:title="@string/key_scanning__menu_scan_to_compare"
diff --git a/res/menu/media_preview.xml b/res/menu/media_preview.xml
index 8b6dcb739..d3e252f00 100644
--- a/res/menu/media_preview.xml
+++ b/res/menu/media_preview.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+      xmlns:app="http://schemas.android.com/apk/res-auto">
     <item android:id="@+id/save"
           android:title="@string/media_preview__save_title"
           android:icon="@drawable/ic_action_save_holo_dark"
-          android:showAsAction="always"/>
+          app:showAsAction="always"/>
 </menu>
diff --git a/res/menu/push_directory.xml b/res/menu/push_directory.xml
index 6ee5cd1c6..0644a91b9 100644
--- a/res/menu/push_directory.xml
+++ b/res/menu/push_directory.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
     <item android:title="@string/push_directory__menu_refresh"
           android:id="@+id/menu_refresh_directory"
           android:icon="?menu_refresh_directory"
-          android:showAsAction="ifRoom"
+          app:showAsAction="ifRoom"
         />
 </menu>
\ No newline at end of file
diff --git a/res/menu/share.xml b/res/menu/share.xml
index 658c80ab4..eb623fc8e 100644
--- a/res/menu/share.xml
+++ b/res/menu/share.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
     <item android:title="@string/text_secure_normal__menu_new_message"
           android:id="@+id/menu_new_message"
           android:icon="?attr/menu_new_conversation_icon"
-          android:showAsAction="always" />
+          app:showAsAction="always" />
 
 </menu>
diff --git a/res/menu/text_secure_normal.xml b/res/menu/text_secure_normal.xml
index 935477a11..a21f48c35 100644
--- a/res/menu/text_secure_normal.xml
+++ b/res/menu/text_secure_normal.xml
@@ -1,9 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+      xmlns:app="http://schemas.android.com/apk/res-auto">
+
     <item android:title="@string/text_secure_normal__menu_new_message"
           android:id="@+id/menu_new_message"
           android:icon="?attr/menu_new_conversation_icon"
-          android:showAsAction="always" />
+          app:showAsAction="always" />
 
     <item android:title="@string/text_secure_normal__menu_new_group"
           android:id="@+id/menu_new_group"
diff --git a/res/values/colors.xml b/res/values/colors.xml
index 965eb54f1..86b9f2d33 100644
--- a/res/values/colors.xml
+++ b/res/values/colors.xml
@@ -3,6 +3,11 @@
 
     <color name="white">#ffffffff</color>
     <color name="black">#ff000000</color>
+    <color name="gray5">#ffeeeeee</color>
+    <color name="gray10">#ffdddddd</color>
+    <color name="gray95">#ff111111</color>
+
+    <color name="gray95_transparent50">#7F111111</color>
 
     <color name="conversation_list_item_background_read_light">#fff3f3f3</color>
     <color name="conversation_list_item_background_unread_light">#ffffffff</color>
diff --git a/res/values/styles.xml b/res/values/styles.xml
index e5899d128..5362cb77b 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -1,59 +1,47 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
-    <style name="NoAnimation.Theme.BlackScreen" parent="@style/Theme.Sherlock.NoActionBar">
+    <style name="Theme.AppCompat.NoActionBar" parent="@style/Theme.AppCompat">
+        <item name="android:windowNoTitle">true</item>
+    </style>
+
+    <style name="NoAnimation.Theme.BlackScreen" parent="Theme.AppCompat.NoActionBar">
         <item name="android:windowAnimationStyle">@null</item>
         <item name="android:windowBackground">@android:color/black</item>
     </style>
 
-    <style name="NoAnimation.Theme.Sherlock.Light.DarkActionBar" parent="@style/Theme.Sherlock.Light.DarkActionBar">
+    <style name="NoAnimation.Theme.AppCompat.Light.DarkActionBar" parent="@style/Theme.AppCompat.Light.DarkActionBar">
         <item name="android:windowAnimationStyle">@null</item>
     </style>
 
-    <!-- the theme applied to the application or activity -->
-    <style name="TextSecure.Dark"
-           parent="@style/Theme.Sherlock">
-        <item name="android:actionBarStyle">@style/TextSecure.DarkActionBar</item>
-        <item name="actionBarStyle">@style/TextSecure.DarkActionBar</item>
-    </style>
-
     <!-- ActionBar styles -->
     <style name="TextSecure.DarkActionBar"
-           parent="@style/Widget.Sherlock.ActionBar">
-        <item name="android:background">#ff111111</item>
-        <item name="background">#ff111111</item>
-        <item name="android:icon">@drawable/actionbar_icon_holo_dark</item>
-        <item name="icon">@drawable/actionbar_icon_holo_dark</item>
+           parent="@style/Widget.AppCompat.ActionBar">
+        <item name="background">@color/gray95</item>
+        <item name="elevation">1dp</item>
     </style>
 
-    <style name="TextSecure.ClearTitleTextStyle" parent="TextAppearance.Sherlock.Widget.ActionBar.Title">
+    <style name="TextSecure.LightActionBar"
+           parent="@style/Widget.AppCompat.ActionBar">
+        <item name="background">@color/gray5</item>
+        <item name="elevation">1dp</item>
+    </style>
+
+    <style name="TextSecure.ClearTitleTextStyle" parent="TextAppearance.AppCompat.Widget.ActionBar.Title">
         <item name="android:textColor">@android:color/transparent</item>
     </style>
 
-    <style name="TextSecure.TitleTextStyle" parent="TextAppearance.Sherlock.Widget.ActionBar.Title">
+    <style name="TextSecure.TitleTextStyle" parent="TextAppearance.AppCompat.Widget.ActionBar.Title">
         <item name="android:textColor">#ff555555</item>
         <item name="android:textSize">19sp</item>
     </style>
 
-    <style name="TextSecure.SubtitleTextStyle" parent="TextAppearance.Sherlock.Widget.ActionBar.Subtitle">
+    <style name="TextSecure.SubtitleTextStyle" parent="TextAppearance.AppCompat.Widget.ActionBar.Subtitle">
         <item name="android:textColor">#ff555555</item>
     </style>
 
-    <style name="TextSecure.LightActionBar" parent="Widget.Sherlock.Light.ActionBar.Solid">
-        <item name="android:titleTextStyle">@style/TextSecure.TitleTextStyle</item>
-        <item name="titleTextStyle">@style/TextSecure.TitleTextStyle</item>
-        <item name="android:subtitleTextStyle">@style/TextSecure.SubtitleTextStyle</item>
-        <item name="subtitleTextStyle">@style/TextSecure.SubtitleTextStyle</item>
-        <item name="android:icon">@drawable/actionbar_icon_holo_light</item>
-        <item name="icon">@drawable/actionbar_icon_holo_light</item>
-    </style>
-
-    <style name="TextSecure.IntroActionBar" parent="Widget.Sherlock.Light.ActionBar.Solid">
-        <item name="android:titleTextStyle">@style/TextSecure.ClearTitleTextStyle</item>
-        <item name="titleTextStyle">@style/TextSecure.ClearTitleTextStyle</item>
-        <item name="android:background">@drawable/background_pattern_repeat</item>
+    <style name="TextSecure.IntroActionBar" parent="Widget.AppCompat.Light.ActionBar.Solid">
         <item name="background">@drawable/background_pattern_repeat</item>
-        <item name="android:icon">@android:color/transparent</item>
-        <item name="icon">@android:color/transparent</item>
+        <item name="elevation">0dp</item>
     </style>
 
 	<style name="transparent_progress">
@@ -68,7 +56,6 @@
 	    <item name="android:background">@android:color/transparent</item>
 	</style>
 
-
 	<style name="NotificationText">
       <item name="android:textColor">?android:attr/textColorPrimary</item>
     </style>
diff --git a/res/values/themes.xml b/res/values/themes.xml
index f9bec7917..3d01d4661 100644
--- a/res/values/themes.xml
+++ b/res/values/themes.xml
@@ -1,17 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
-    <style name="TextSecure.IntroTheme" parent="@style/Theme.Sherlock.Light">
-        <item name="android:actionBarStyle">@style/TextSecure.IntroActionBar</item>
+    <style name="TextSecure.IntroTheme" parent="@style/Theme.AppCompat.Light">
+        <item name="colorPrimary">@android:color/transparent</item>
         <item name="actionBarStyle">@style/TextSecure.IntroActionBar</item>
         <item name="android:windowContentOverlay">@null</item>
-        <item name="windowContentOverlay">@null</item>
     </style>
 
-    <style name="TextSecure.LightTheme" parent="@style/Theme.Sherlock.Light">
-        <item name="android:actionBarStyle">@style/TextSecure.LightActionBar</item>
+    <style name="TextSecure.LightTheme" parent="@style/Theme.AppCompat.Light">
         <item name="actionBarStyle">@style/TextSecure.LightActionBar</item>
         <item name="android:windowContentOverlay">@null</item>
-        <item name="windowContentOverlay">@null</item>
+        <item name="colorPrimary">@color/gray5</item>
+        <item name="colorPrimaryDark">@color/gray95</item>
+        <item name="colorAccent">#ff259b24</item>
         <item name="conversation_list_item_background_read">@drawable/conversation_list_item_background_read_light</item>
         <item name="conversation_list_item_background_unread">@drawable/conversation_list_item_background_unread_light</item>
         <item name="conversation_list_item_background_selected">@drawable/list_selected_holo_light</item>
@@ -83,7 +83,11 @@
         <item name="reminder_header_background">#ff5a8800</item>
     </style>
 
-    <style name="TextSecure.DarkTheme" parent="@style/TextSecure.Dark">
+    <style name="TextSecure.DarkTheme" parent="@style/Theme.AppCompat">
+        <item name="actionBarStyle">@style/TextSecure.DarkActionBar</item>
+        <item name="colorPrimary">@color/gray95</item>
+        <item name="colorPrimaryDark">@color/gray95</item>
+        <item name="colorAccent">#ff259b24</item>
         <item name="conversation_list_item_background_read">@drawable/conversation_list_item_background_read_dark</item>
         <item name="conversation_list_item_background_unread">@drawable/conversation_list_item_background_unread_dark</item>
         <item name="conversation_list_item_background_selected">@drawable/list_selected_holo_dark</item>
@@ -155,16 +159,6 @@
         <item name="reminder_header_background">#ff385400</item>
     </style>
 
-    <style name="TextSecure.LightTheme.ConversationActivity"
-           parent="@style/TextSecure.LightTheme">
-        <item name="android:windowBackground">@null</item>
-    </style>
-
-    <style name="TextSecure.DarkTheme.ConversationActivity"
-           parent="@style/TextSecure.DarkTheme">
-        <item name="android:windowBackground">@null</item>
-    </style>
-
     <style name="TextSecure.Light.Dialog"
            parent="@android:style/Theme.Dialog"
            tools:ignore="NewApi">
diff --git a/src/org/thoughtcrime/securesms/ActionBarListActivity.java b/src/org/thoughtcrime/securesms/ActionBarListActivity.java
new file mode 100644
index 000000000..af4b7a07d
--- /dev/null
+++ b/src/org/thoughtcrime/securesms/ActionBarListActivity.java
@@ -0,0 +1,36 @@
+package org.thoughtcrime.securesms;
+
+import android.support.v7.app.ActionBarActivity;
+import android.view.View;
+import android.widget.HeaderViewListAdapter;
+import android.widget.ListAdapter;
+import android.widget.ListView;
+
+public abstract class ActionBarListActivity extends ActionBarActivity {
+
+  private ListView mListView;
+
+  protected ListView getListView() {
+    if (mListView == null) {
+      mListView = (ListView) findViewById(android.R.id.list);
+    }
+    return mListView;
+  }
+
+  protected void setListAdapter(ListAdapter adapter) {
+      getListView().setAdapter(adapter);
+  }
+
+  protected ListAdapter getListAdapter() {
+    ListAdapter adapter = getListView().getAdapter();
+    if (adapter instanceof HeaderViewListAdapter) {
+      return ((HeaderViewListAdapter)adapter).getWrappedAdapter();
+    } else {
+      return adapter;
+    }
+  }
+
+  protected void onListItemClick(ListView lv, View v, int position, long id) {
+    getListView().getOnItemClickListener().onItemClick(lv, v, position, id);
+  }
+}
diff --git a/src/org/thoughtcrime/securesms/ApplicationPreferencesActivity.java b/src/org/thoughtcrime/securesms/ApplicationPreferencesActivity.java
index c2a0c9048..5bef72d45 100644
--- a/src/org/thoughtcrime/securesms/ApplicationPreferencesActivity.java
+++ b/src/org/thoughtcrime/securesms/ApplicationPreferencesActivity.java
@@ -40,11 +40,15 @@ import android.preference.RingtonePreference;
 import android.provider.ContactsContract;
 import android.provider.Settings;
 import android.provider.Telephony;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentTransaction;
+import android.support.v4.preference.PreferenceFragment;
 import android.text.TextUtils;
 import android.util.Log;
+import android.view.MenuItem;
 import android.widget.Toast;
 
-import com.actionbarsherlock.view.MenuItem;
 import com.google.android.gms.gcm.GoogleCloudMessaging;
 
 import org.thoughtcrime.securesms.components.OutgoingSmsPreference;
@@ -73,7 +77,7 @@ import java.io.IOException;
  *
  */
 
-public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPreferenceActivity
+public class ApplicationPreferencesActivity extends PassphraseRequiredActionBarActivity
     implements SharedPreferences.OnSharedPreferenceChangeListener
 {
   private static final String TAG = "Preferences";
@@ -99,6 +103,55 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
 
     this.getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 
+    Fragment            fragment            = new ApplicationPreferenceFragment();
+    FragmentManager     fragmentManager     = getSupportFragmentManager();
+    FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
+    fragmentTransaction.replace(android.R.id.content, fragment);
+    fragmentTransaction.commit();
+  }
+
+  @Override
+  public void onResume() {
+    super.onResume();
+    dynamicTheme.onResume(this);
+    dynamicLanguage.onResume(this);
+  }
+
+  @Override
+  public void onDestroy() {
+    MemoryCleaner.clean((MasterSecret) getIntent().getParcelableExtra("master_secret"));
+    super.onDestroy();
+  }
+
+  @Override
+  public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+    if (key.equals(TextSecurePreferences.THEME_PREF)) {
+      dynamicTheme.onResume(this);
+    } else if (key.equals(TextSecurePreferences.LANGUAGE_PREF)) {
+      dynamicLanguage.onResume(this);
+    }
+  }
+
+  @Override
+  public boolean onOptionsItemSelected(MenuItem item) {
+    switch (item.getItemId()) {
+    case android.R.id.home:
+      Intent intent = new Intent(this, ConversationListActivity.class);
+      intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+      startActivity(intent);
+      finish();
+      return true;
+    }
+
+    return false;
+  }
+
+  public static class ApplicationPreferenceFragment extends PreferenceFragment {
+
+  @Override
+  public void onCreate(Bundle icicle) {
+    super.onCreate(icicle);
+
     addPreferencesFromResource(R.xml.preferences);
 
     initializeIdentitySelection();
@@ -134,14 +187,12 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
   @Override
   public void onStart() {
     super.onStart();
-    getPreferenceScreen().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
+    getPreferenceScreen().getSharedPreferences().registerOnSharedPreferenceChangeListener((ApplicationPreferencesActivity)getActivity());
   }
 
   @Override
   public void onResume() {
     super.onResume();
-    dynamicTheme.onResume(this);
-    dynamicLanguage.onResume(this);
 
     initializePlatformSpecificOptions();
   }
@@ -149,13 +200,7 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
   @Override
   public void onStop() {
     super.onStop();
-    getPreferenceScreen().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this);
-  }
-
-  @Override
-  public void onDestroy() {
-    MemoryCleaner.clean((MasterSecret) getIntent().getParcelableExtra("master_secret"));
-    super.onDestroy();
+    getPreferenceScreen().getSharedPreferences().unregisterOnSharedPreferenceChangeListener((ApplicationPreferencesActivity)getActivity());
   }
 
   @Override
@@ -167,25 +212,11 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
     if (resultCode == Activity.RESULT_OK) {
       switch (reqCode) {
       case PICK_IDENTITY_CONTACT:      handleIdentitySelection(data); break;
-      case ENABLE_PASSPHRASE_ACTIVITY: finish();                      break;
+      case ENABLE_PASSPHRASE_ACTIVITY: getActivity().finish();        break;
       }
     }
   }
 
-  @Override
-  public boolean onOptionsItemSelected(MenuItem item) {
-    switch (item.getItemId()) {
-    case android.R.id.home:
-      Intent intent = new Intent(this, ConversationListActivity.class);
-      intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
-      startActivity(intent);
-      finish();
-      return true;
-    }
-
-    return false;
-  }
-
   private void initializePlatformSpecificOptions() {
     PreferenceGroup    pushSmsCategory          = (PreferenceGroup) findPreference("push_sms_category");
     PreferenceGroup    advancedCategory         = (PreferenceGroup) findPreference("advanced_category");
@@ -198,13 +229,13 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
       if (allSmsPreference != null) pushSmsCategory.removePreference(allSmsPreference);
       if (allMmsPreference != null) pushSmsCategory.removePreference(allMmsPreference);
 
-      if (Util.isDefaultSmsProvider(this)) {
+      if (Util.isDefaultSmsProvider(getActivity())) {
         defaultPreference.setIntent(new Intent(Settings.ACTION_WIRELESS_SETTINGS));
         defaultPreference.setTitle(getString(R.string.ApplicationPreferencesActivity_sms_enabled));
         defaultPreference.setSummary(getString(R.string.ApplicationPreferencesActivity_touch_to_change_your_default_sms_app));
       } else {
         Intent intent = new Intent(Telephony.Sms.Intents.ACTION_CHANGE_DEFAULT);
-        intent.putExtra(Telephony.Sms.Intents.EXTRA_PACKAGE_NAME, getPackageName());
+        intent.putExtra(Telephony.Sms.Intents.EXTRA_PACKAGE_NAME, getActivity().getPackageName());
         defaultPreference.setIntent(intent);
         defaultPreference.setTitle(getString(R.string.ApplicationPreferencesActivity_sms_disabled));
         defaultPreference.setSummary(getString(R.string.ApplicationPreferencesActivity_touch_to_make_textsecure_your_default_sms_app));
@@ -239,12 +270,12 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
 
   private void initializePushMessagingToggle() {
     CheckBoxPreference preference = (CheckBoxPreference)this.findPreference(PUSH_MESSAGING_PREF);
-    preference.setChecked(TextSecurePreferences.isPushRegistered(this));
+    preference.setChecked(TextSecurePreferences.isPushRegistered(getActivity()));
     preference.setOnPreferenceChangeListener(new PushMessagingClickListener());
   }
 
   private void initializeIdentitySelection() {
-    ContactIdentityManager identity = ContactIdentityManager.getInstance(this);
+    ContactIdentityManager identity = ContactIdentityManager.getInstance(getActivity());
 
     if (identity.isSelfIdentityAutoDetected()) {
       Preference preference = this.findPreference(DISPLAY_CATEGORY_PREF);
@@ -253,7 +284,7 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
       Uri contactUri = identity.getSelfIdentityUri();
 
       if (contactUri != null) {
-        String contactName = ContactAccessor.getInstance().getNameFromContact(this, contactUri);
+        String contactName = ContactAccessor.getInstance().getNameFromContact(getActivity(), contactUri);
         this.findPreference(TextSecurePreferences.IDENTITY_PREF)
           .setSummary(String.format(getString(R.string.ApplicationPreferencesActivity_currently_s),
                       contactName));
@@ -271,7 +302,7 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
   private void initializeRingtoneSummary(RingtonePreference pref) {
     RingtoneSummaryListener listener =
       (RingtoneSummaryListener) pref.getOnPreferenceChangeListener();
-    SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+    SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
 
     listener.onPreferenceChange(pref, sharedPreferences.getString(pref.getKey(), ""));
   }
@@ -284,20 +315,11 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
     Uri contactUri = data.getData();
 
     if (contactUri != null) {
-      TextSecurePreferences.setIdentityContactUri(this, contactUri.toString());
+      TextSecurePreferences.setIdentityContactUri(getActivity(), contactUri.toString());
       initializeIdentitySelection();
     }
   }
 
-  @Override
-  public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
-    if (key.equals(TextSecurePreferences.THEME_PREF)) {
-      dynamicTheme.onResume(this);
-    } else if (key.equals(TextSecurePreferences.LANGUAGE_PREF)) {
-      dynamicLanguage.onResume(this);
-    }
-  }
-
   private class PushMessagingClickListener implements Preference.OnPreferenceChangeListener {
 
     private static final int SUCCESS       = 0;
@@ -313,7 +335,7 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
 
       @Override
       protected void onPreExecute() {
-        dialog = ProgressDialog.show(ApplicationPreferencesActivity.this,
+        dialog = ProgressDialog.show(getActivity(),
                                      getString(R.string.ApplicationPreferencesActivity_unregistering),
                                      getString(R.string.ApplicationPreferencesActivity_unregistering_for_data_based_communication),
                                      true, false);
@@ -326,13 +348,13 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
 
         switch (result) {
           case NETWORK_ERROR:
-            Toast.makeText(ApplicationPreferencesActivity.this,
+            Toast.makeText(getActivity(),
                            getString(R.string.ApplicationPreferencesActivity_error_connecting_to_server),
                            Toast.LENGTH_LONG).show();
             break;
           case SUCCESS:
             ((CheckBoxPreference)preference).setChecked(false);
-            TextSecurePreferences.setPushRegistered(ApplicationPreferencesActivity.this, false);
+            TextSecurePreferences.setPushRegistered(getActivity(), false);
             break;
         }
       }
@@ -340,7 +362,7 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
       @Override
       protected Integer doInBackground(Void... params) {
         try {
-          Context           context = ApplicationPreferencesActivity.this;
+          Context           context = getActivity();
           PushServiceSocket socket  = PushServiceSocketFactory.create(context);
 
           socket.unregisterGcmId();
@@ -360,8 +382,8 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
     @Override
     public boolean onPreferenceChange(final Preference preference, Object newValue) {
       if (((CheckBoxPreference)preference).isChecked()) {
-        AlertDialog.Builder builder = new AlertDialog.Builder(ApplicationPreferencesActivity.this);
-        builder.setIcon(Dialogs.resolveIcon(ApplicationPreferencesActivity.this, R.attr.dialog_info_icon));
+        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+        builder.setIcon(Dialogs.resolveIcon(getActivity(), R.attr.dialog_info_icon));
         builder.setTitle(getString(R.string.ApplicationPreferencesActivity_disable_push_messages));
         builder.setMessage(getString(R.string.ApplicationPreferencesActivity_this_will_disable_push_messages));
         builder.setNegativeButton(android.R.string.cancel, null);
@@ -373,8 +395,8 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
         });
         builder.show();
       } else {
-        Intent intent = new Intent(ApplicationPreferencesActivity.this, RegistrationActivity.class);
-        intent.putExtra("master_secret", getIntent().getParcelableExtra("master_secret"));
+        Intent intent = new Intent(getActivity(), RegistrationActivity.class);
+        intent.putExtra("master_secret", getActivity().getIntent().getParcelableExtra("master_secret"));
         startActivity(intent);
       }
 
@@ -396,10 +418,10 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
   private class ChangePassphraseClickListener implements Preference.OnPreferenceClickListener {
     @Override
     public boolean onPreferenceClick(Preference preference) {
-       if (MasterSecretUtil.isPassphraseInitialized(ApplicationPreferencesActivity.this)) {
-        startActivity(new Intent(ApplicationPreferencesActivity.this, PassphraseChangeActivity.class));
+      if (MasterSecretUtil.isPassphraseInitialized(getActivity())) {
+        startActivity(new Intent(getActivity(), PassphraseChangeActivity.class));
       } else {
-        Toast.makeText(ApplicationPreferencesActivity.this,
+        Toast.makeText(getActivity(),
                        R.string.ApplicationPreferenceActivity_you_havent_set_a_passphrase_yet,
                        Toast.LENGTH_LONG).show();
       }
@@ -411,8 +433,8 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
   private class TrimNowClickListener implements Preference.OnPreferenceClickListener {
     @Override
     public boolean onPreferenceClick(Preference preference) {
-      final int threadLengthLimit = TextSecurePreferences.getThreadTrimLength(ApplicationPreferencesActivity.this);
-      AlertDialog.Builder builder = new AlertDialog.Builder(ApplicationPreferencesActivity.this);
+      final int threadLengthLimit = TextSecurePreferences.getThreadTrimLength(getActivity());
+      AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
       builder.setTitle(R.string.ApplicationPreferencesActivity_delete_all_old_messages_now);
       builder.setMessage(String.format(getString(R.string.ApplicationPreferencesActivity_are_you_sure_you_would_like_to_immediately_trim_all_conversation_threads_to_the_s_most_recent_messages),
       		                             threadLengthLimit));
@@ -420,7 +442,7 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
                                 new DialogInterface.OnClickListener() {
         @Override
         public void onClick(DialogInterface dialog, int which) {
-          Trimmer.trimAllThreads(ApplicationPreferencesActivity.this, threadLengthLimit);
+          Trimmer.trimAllThreads(getActivity(), threadLengthLimit);
         }
       });
 
@@ -436,31 +458,31 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
     @Override
     public boolean onPreferenceChange(final Preference preference, Object newValue) {
       if (!((CheckBoxPreference)preference).isChecked()) {
-        AlertDialog.Builder builder = new AlertDialog.Builder(ApplicationPreferencesActivity.this);
+        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
         builder.setTitle(R.string.ApplicationPreferencesActivity_disable_storage_encryption);
         builder.setMessage(R.string.ApplicationPreferencesActivity_warning_this_will_disable_storage_encryption_for_all_messages);
-        builder.setIcon(Dialogs.resolveIcon(ApplicationPreferencesActivity.this, R.attr.dialog_alert_icon));
+        builder.setIcon(Dialogs.resolveIcon(getActivity(), R.attr.dialog_alert_icon));
         builder.setPositiveButton(R.string.ApplicationPreferencesActivity_disable, new DialogInterface.OnClickListener() {
           @Override
           public void onClick(DialogInterface dialog, int which) {
-            MasterSecret masterSecret = getIntent().getParcelableExtra("master_secret");
-            MasterSecretUtil.changeMasterSecretPassphrase(ApplicationPreferencesActivity.this,
+            MasterSecret masterSecret = getActivity().getIntent().getParcelableExtra("master_secret");
+            MasterSecretUtil.changeMasterSecretPassphrase(getActivity(),
                                                           masterSecret,
                                                           MasterSecretUtil.UNENCRYPTED_PASSPHRASE);
 
 
-            TextSecurePreferences.setPasswordDisabled(ApplicationPreferencesActivity.this, true);
+            TextSecurePreferences.setPasswordDisabled(getActivity(), true);
             ((CheckBoxPreference)preference).setChecked(true);
 
-            Intent intent = new Intent(ApplicationPreferencesActivity.this, KeyCachingService.class);
+            Intent intent = new Intent(getActivity(), KeyCachingService.class);
             intent.setAction(KeyCachingService.DISABLE_ACTION);
-            startService(intent);
+            getActivity().startService(intent);
           }
         });
         builder.setNegativeButton(android.R.string.cancel, null);
         builder.show();
       } else {
-        Intent intent = new Intent(ApplicationPreferencesActivity.this,
+        Intent intent = new Intent(getActivity(),
                                    PassphraseChangeActivity.class);
         startActivityForResult(intent, ENABLE_PASSPHRASE_ACTIVITY);
       }
@@ -504,7 +526,7 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
 
     @Override
     public boolean onPreferenceClick(Preference preference) {
-      startActivity(new Intent(ApplicationPreferencesActivity.this, MmsPreferencesActivity.class));
+      startActivity(new Intent(getActivity(), MmsPreferencesActivity.class));
       return true;
     }
   }
@@ -534,10 +556,10 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
       if (TextUtils.isEmpty(value)) {
         preference.setSummary(R.string.preferences__default);
       } else {
-        Ringtone tone = RingtoneManager.getRingtone(ApplicationPreferencesActivity.this,
+        Ringtone tone = RingtoneManager.getRingtone(getActivity(),
           Uri.parse(value));
         if (tone != null) {
-          preference.setSummary(tone.getTitle(ApplicationPreferencesActivity.this));
+          preference.setSummary(tone.getTitle(getActivity()));
         }
       }
 
@@ -548,7 +570,7 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
   private class SubmitDebugLogListener implements Preference.OnPreferenceClickListener {
     @Override
     public boolean onPreferenceClick(Preference preference) {
-      final Intent intent = new Intent(ApplicationPreferencesActivity.this, LogSubmitActivity.class);
+      final Intent intent = new Intent(getActivity(), LogSubmitActivity.class);
       startActivity(intent);
       return true;
     }
@@ -566,9 +588,9 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
 
   private String buildOutgoingSmsDescription() {
     final StringBuilder builder         = new StringBuilder();
-    final boolean       dataFallback    = TextSecurePreferences.isFallbackSmsAllowed(this);
-    final boolean       dataFallbackAsk = TextSecurePreferences.isFallbackSmsAskRequired(this);
-    final boolean       nonData         = TextSecurePreferences.isDirectSmsAllowed(this);
+    final boolean       dataFallback    = TextSecurePreferences.isFallbackSmsAllowed(getActivity());
+    final boolean       dataFallbackAsk = TextSecurePreferences.isFallbackSmsAskRequired(getActivity());
+    final boolean       nonData         = TextSecurePreferences.isDirectSmsAllowed(getActivity());
 
     if (dataFallback) {
       builder.append(getString(R.string.preferences__sms_outgoing_push_users));
@@ -593,8 +615,8 @@ public class ApplicationPreferencesActivity extends PassphraseRequiredSherlockPr
     if (preference!=null)
       if (preference instanceof PreferenceScreen)
           if (((PreferenceScreen)preference).getDialog()!=null)
-            ((PreferenceScreen)preference).getDialog().getWindow().getDecorView().setBackgroundDrawable(this.getWindow().getDecorView().getBackground().getConstantState().newDrawable());
+            ((PreferenceScreen)preference).getDialog().getWindow().getDecorView().setBackgroundDrawable(getActivity().getWindow().getDecorView().getBackground().getConstantState().newDrawable());
     return false;
   }
-
+  }
 }
diff --git a/src/org/thoughtcrime/securesms/ContactSelectionActivity.java b/src/org/thoughtcrime/securesms/ContactSelectionActivity.java
index da3d4d5dc..f74afa4e0 100644
--- a/src/org/thoughtcrime/securesms/ContactSelectionActivity.java
+++ b/src/org/thoughtcrime/securesms/ContactSelectionActivity.java
@@ -22,13 +22,12 @@ import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentPagerAdapter;
 import android.support.v4.app.FragmentTransaction;
 import android.support.v4.view.ViewPager;
-
-import com.actionbarsherlock.app.ActionBar;
-import com.actionbarsherlock.app.ActionBar.Tab;
-import com.actionbarsherlock.app.ActionBar.TabListener;
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.ActionBar.Tab;
+import android.support.v7.app.ActionBar.TabListener;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 
 import org.thoughtcrime.securesms.util.DynamicTheme;
 
@@ -45,7 +44,7 @@ import static org.thoughtcrime.securesms.contacts.ContactAccessor.ContactData;
  * @author Moxie Marlinspike
  *
  */
-public class ContactSelectionActivity extends PassphraseRequiredSherlockFragmentActivity {
+public class ContactSelectionActivity extends PassphraseRequiredActionBarActivity {
 
   private final DynamicTheme dynamicTheme = new DynamicTheme();
 
@@ -78,7 +77,7 @@ public class ContactSelectionActivity extends PassphraseRequiredSherlockFragment
 
   @Override
   public boolean onCreateOptionsMenu(Menu menu) {
-    MenuInflater inflater = this.getSupportMenuInflater();
+    MenuInflater inflater = this.getMenuInflater();
     inflater.inflate(R.menu.contact_selection, menu);
 
     return true;
diff --git a/src/org/thoughtcrime/securesms/ContactSelectionGroupsFragment.java b/src/org/thoughtcrime/securesms/ContactSelectionGroupsFragment.java
index 9b314299a..b044033ba 100644
--- a/src/org/thoughtcrime/securesms/ContactSelectionGroupsFragment.java
+++ b/src/org/thoughtcrime/securesms/ContactSelectionGroupsFragment.java
@@ -19,6 +19,7 @@ package org.thoughtcrime.securesms;
 import android.content.Context;
 import android.database.Cursor;
 import android.os.Bundle;
+import android.support.v4.app.ListFragment;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.Loader;
 import android.util.Log;
@@ -30,8 +31,6 @@ import android.widget.CursorAdapter;
 import android.widget.LinearLayout;
 import android.widget.ListView;
 
-import com.actionbarsherlock.app.SherlockListFragment;
-
 import org.thoughtcrime.securesms.contacts.ContactAccessor;
 import org.thoughtcrime.securesms.contacts.ContactAccessor.ContactData;
 import org.thoughtcrime.securesms.contacts.ContactAccessor.GroupData;
@@ -51,7 +50,7 @@ import java.util.List;
  * @author Moxie Marlinspike
  *
  */
-public class ContactSelectionGroupsFragment extends SherlockListFragment
+public class ContactSelectionGroupsFragment extends ListFragment
     implements LoaderManager.LoaderCallbacks<Cursor>
 {
 
diff --git a/src/org/thoughtcrime/securesms/ContactSelectionListFragment.java b/src/org/thoughtcrime/securesms/ContactSelectionListFragment.java
index 3054700e9..80a104cc2 100644
--- a/src/org/thoughtcrime/securesms/ContactSelectionListFragment.java
+++ b/src/org/thoughtcrime/securesms/ContactSelectionListFragment.java
@@ -22,10 +22,14 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.database.Cursor;
 import android.os.Bundle;
+import android.support.v4.app.ListFragment;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.Loader;
 import android.util.Log;
 import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.CheckedTextView;
@@ -34,11 +38,6 @@ import android.widget.ListView;
 import android.widget.RelativeLayout;
 import android.widget.TextView;
 
-import com.actionbarsherlock.app.SherlockListFragment;
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
-
 import org.thoughtcrime.securesms.contacts.ContactAccessor;
 import org.thoughtcrime.securesms.contacts.ContactAccessor.ContactData;
 import org.thoughtcrime.securesms.contacts.ContactAccessor.NumberData;
@@ -59,7 +58,7 @@ import java.util.List;
  *
  */
 
-public class ContactSelectionListFragment extends SherlockListFragment
+public class ContactSelectionListFragment extends ListFragment
     implements LoaderManager.LoaderCallbacks<Cursor>
 {
 
diff --git a/src/org/thoughtcrime/securesms/ContactSelectionRecentFragment.java b/src/org/thoughtcrime/securesms/ContactSelectionRecentFragment.java
index b5a4a8d15..04bb26039 100644
--- a/src/org/thoughtcrime/securesms/ContactSelectionRecentFragment.java
+++ b/src/org/thoughtcrime/securesms/ContactSelectionRecentFragment.java
@@ -20,6 +20,7 @@ import android.content.Context;
 import android.database.Cursor;
 import android.os.Bundle;
 import android.provider.CallLog.Calls;
+import android.support.v4.app.ListFragment;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.CursorLoader;
 import android.support.v4.content.Loader;
@@ -34,8 +35,6 @@ import android.widget.ListView;
 import android.widget.RelativeLayout;
 import android.widget.TextView;
 
-import com.actionbarsherlock.app.SherlockListFragment;
-
 import org.thoughtcrime.securesms.contacts.ContactAccessor;
 import org.thoughtcrime.securesms.contacts.ContactAccessor.ContactData;
 import org.thoughtcrime.securesms.contacts.ContactAccessor.NumberData;
@@ -55,7 +54,7 @@ import java.util.List;
  * @author Moxie Marlinspike
  *
  */
-public class ContactSelectionRecentFragment extends SherlockListFragment
+public class ContactSelectionRecentFragment extends ListFragment
     implements LoaderManager.LoaderCallbacks<Cursor>
 {
 
diff --git a/src/org/thoughtcrime/securesms/ConversationActivity.java b/src/org/thoughtcrime/securesms/ConversationActivity.java
index 54864b085..46c485921 100644
--- a/src/org/thoughtcrime/securesms/ConversationActivity.java
+++ b/src/org/thoughtcrime/securesms/ConversationActivity.java
@@ -43,6 +43,9 @@ import android.util.Log;
 import android.view.ContextMenu;
 import android.view.ContextThemeWrapper;
 import android.view.KeyEvent;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.View.OnFocusChangeListener;
@@ -54,9 +57,6 @@ import android.widget.ImageButton;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
 import com.google.protobuf.ByteString;
 
 import org.thoughtcrime.securesms.components.EmojiDrawer;
@@ -127,7 +127,7 @@ import static org.whispersystems.textsecure.push.PushMessageProtos.PushMessageCo
  * @author Moxie Marlinspike
  *
  */
-public class ConversationActivity extends PassphraseRequiredSherlockFragmentActivity
+public class ConversationActivity extends PassphraseRequiredActionBarActivity
     implements ConversationFragment.ConversationFragmentListener,
                AttachmentManager.AttachmentListener
 {
@@ -257,7 +257,7 @@ public class ConversationActivity extends PassphraseRequiredSherlockFragmentActi
 
   @Override
   public boolean onPrepareOptionsMenu(Menu menu) {
-    MenuInflater inflater = this.getSupportMenuInflater();
+    MenuInflater inflater = this.getMenuInflater();
     menu.clear();
 
     boolean pushRegistered = TextSecurePreferences.isPushRegistered(this);
@@ -621,7 +621,7 @@ public class ConversationActivity extends PassphraseRequiredSherlockFragmentActi
     if (subtitle != null && !Util.isEmpty(subtitle))
       this.getSupportActionBar().setSubtitle(PhoneNumberUtils.formatNumber(subtitle));
 
-    this.invalidateOptionsMenu();
+    this.supportInvalidateOptionsMenu();
   }
 
   private void initializeDraft() {
diff --git a/src/org/thoughtcrime/securesms/ConversationFragment.java b/src/org/thoughtcrime/securesms/ConversationFragment.java
index 635a8d3e0..d60de305a 100644
--- a/src/org/thoughtcrime/securesms/ConversationFragment.java
+++ b/src/org/thoughtcrime/securesms/ConversationFragment.java
@@ -8,11 +8,17 @@ import android.content.Intent;
 import android.database.Cursor;
 import android.os.Bundle;
 import android.os.Handler;
+import android.support.v4.app.ListFragment;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.Loader;
+import android.support.v7.app.ActionBarActivity;
+import android.support.v7.view.ActionMode;
 import android.text.ClipboardManager;
 import android.util.Log;
 import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.support.v4.widget.CursorAdapter;
@@ -20,12 +26,6 @@ import android.widget.AdapterView;
 import android.widget.ListView;
 import android.widget.Toast;
 
-import com.actionbarsherlock.app.SherlockListFragment;
-import com.actionbarsherlock.view.ActionMode;
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
-
 import org.thoughtcrime.securesms.database.DatabaseFactory;
 import org.thoughtcrime.securesms.database.loaders.ConversationLoader;
 import org.thoughtcrime.securesms.database.model.MediaMmsMessageRecord;
@@ -44,7 +44,7 @@ import org.whispersystems.textsecure.util.FutureTaskListener;
 import java.sql.Date;
 import java.text.SimpleDateFormat;
 
-public class ConversationFragment extends SherlockListFragment
+public class ConversationFragment extends ListFragment
   implements LoaderManager.LoaderCallbacks<Cursor>
 {
   private static final String TAG = ConversationFragment.class.getSimpleName();
@@ -104,7 +104,7 @@ public class ConversationFragment extends SherlockListFragment
           return false;
         }
 
-        actionMode = getSherlockActivity().startActionMode(actionModeCallback);
+        actionMode = ((ActionBarActivity)getActivity()).startSupportActionMode(actionModeCallback);
         view.setSelected(true);
         return true;
       }
@@ -209,12 +209,12 @@ public class ConversationFragment extends SherlockListFragment
     builder.setCancelable(true);
 
     if (dateReceived == dateSent || message.isOutgoing()) {
-      builder.setMessage(String.format(getSherlockActivity()
+      builder.setMessage(String.format(getActivity()
                                        .getString(R.string.ConversationFragment_transport_s_sent_received_s),
                                        transport.toUpperCase(),
                                        dateFormatter.format(new Date(dateSent))));
     } else {
-      builder.setMessage(String.format(getSherlockActivity()
+      builder.setMessage(String.format(getActivity()
                                        .getString(R.string.ConversationFragment_sender_s_transport_s_sent_s_received_s),
                                        message.getIndividualRecipient().getNumber(),
                                        transport.toUpperCase(),
diff --git a/src/org/thoughtcrime/securesms/ConversationListActivity.java b/src/org/thoughtcrime/securesms/ConversationListActivity.java
index 45c93b6ff..318480581 100644
--- a/src/org/thoughtcrime/securesms/ConversationListActivity.java
+++ b/src/org/thoughtcrime/securesms/ConversationListActivity.java
@@ -22,10 +22,21 @@ import android.os.AsyncTask;
 import android.os.Bundle;
 import android.provider.ContactsContract;
 import android.util.Log;
-
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
+import android.provider.Telephony;
+import android.support.v4.app.ActionBarDrawerToggle;
+import android.support.v4.view.GravityCompat;
+import android.support.v4.view.MenuItemCompat;
+import android.support.v4.widget.DrawerLayout;
+import android.support.v7.widget.SearchView;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.AdapterView;
+import android.widget.ListView;
+import android.widget.SimpleAdapter;
 
 import org.thoughtcrime.securesms.service.DirectoryRefreshListener;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
@@ -41,7 +52,7 @@ import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.whispersystems.textsecure.crypto.MasterSecret;
 
 
-public class ConversationListActivity extends PassphraseRequiredSherlockFragmentActivity
+public class ConversationListActivity extends PassphraseRequiredActionBarActivity
     implements ConversationListFragment.ConversationSelectedListener
   {
   private final DynamicTheme    dynamicTheme    = new DynamicTheme   ();
@@ -97,17 +108,45 @@ public class ConversationListActivity extends PassphraseRequiredSherlockFragment
 
   @Override
   public boolean onPrepareOptionsMenu(Menu menu) {
-    MenuInflater inflater = this.getSupportMenuInflater();
+    MenuInflater inflater = this.getMenuInflater();
     menu.clear();
 
     inflater.inflate(R.menu.text_secure_normal, menu);
 
     menu.findItem(R.id.menu_clear_passphrase).setVisible(!TextSecurePreferences.isPasswordDisabled(this));
 
+    if (this.masterSecret != null) {
+      inflater.inflate(R.menu.conversation_list, menu);
+      MenuItem menuItem = menu.findItem(R.id.menu_search);
+      SearchView searchView = (SearchView) MenuItemCompat.getActionView(menuItem);
+      initializeSearch(searchView);
+    } else {
+      inflater.inflate(R.menu.conversation_list_empty, menu);
+    }
+
     super.onPrepareOptionsMenu(menu);
     return true;
   }
 
+  private void initializeSearch(SearchView searchView) {
+    searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
+      @Override
+      public boolean onQueryTextSubmit(String query) {
+        ConversationListFragment fragment = (ConversationListFragment)getSupportFragmentManager()
+            .findFragmentById(R.id.fragment_content);
+        if (fragment != null) {
+          fragment.setQueryFilter(query);
+          return true;
+        }
+        return false;
+      }
+      @Override
+      public boolean onQueryTextChange(String newText) {
+        return onQueryTextSubmit(newText);
+      }
+    });
+  }
+
   @Override
   public boolean onOptionsItemSelected(MenuItem item) {
     super.onOptionsItemSelected(item);
@@ -221,7 +260,7 @@ public class ConversationListActivity extends PassphraseRequiredSherlockFragment
     this.masterSecret = getIntent().getParcelableExtra("master_secret");
 
     this.fragment = (ConversationListFragment)this.getSupportFragmentManager()
-        .findFragmentById(R.id.fragment_content);
+                                                  .findFragmentById(R.id.fragment_content);
 
     this.fragment.setMasterSecret(masterSecret);
   }
diff --git a/src/org/thoughtcrime/securesms/ConversationListFragment.java b/src/org/thoughtcrime/securesms/ConversationListFragment.java
index c994f15e6..7f7eb38a5 100644
--- a/src/org/thoughtcrime/securesms/ConversationListFragment.java
+++ b/src/org/thoughtcrime/securesms/ConversationListFragment.java
@@ -23,22 +23,25 @@ import android.content.DialogInterface;
 import android.database.Cursor;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.support.v4.app.ListFragment;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.Loader;
+import android.text.TextUtils;
+import android.support.v4.view.MenuItemCompat;
+import android.support.v7.app.ActionBarActivity;
+import android.support.v7.view.ActionMode;
+import android.support.v7.widget.SearchView;
+import android.util.Log;
 import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.CursorAdapter;
 import android.widget.ListView;
 
-import com.actionbarsherlock.app.SherlockListFragment;
-import com.actionbarsherlock.view.ActionMode;
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
-import com.actionbarsherlock.widget.SearchView;
-
 import org.thoughtcrime.securesms.components.DefaultSmsReminder;
 import org.thoughtcrime.securesms.components.PushRegistrationReminder;
 import org.thoughtcrime.securesms.components.ReminderView;
@@ -53,7 +56,7 @@ import org.whispersystems.textsecure.crypto.MasterSecret;
 import java.util.Set;
 
 
-public class ConversationListFragment extends SherlockListFragment
+public class ConversationListFragment extends ListFragment
   implements LoaderManager.LoaderCallbacks<Cursor>, ActionMode.Callback
 {
 
@@ -102,20 +105,6 @@ public class ConversationListFragment extends SherlockListFragment
     this.listener = (ConversationSelectedListener)activity;
   }
 
-  @Override
-  public void onPrepareOptionsMenu(Menu menu) {
-    MenuInflater inflater = this.getSherlockActivity().getSupportMenuInflater();
-
-    if (this.masterSecret != null) {
-      inflater.inflate(R.menu.conversation_list, menu);
-      initializeSearch((SearchView)menu.findItem(R.id.menu_search).getActionView());
-    } else {
-      inflater.inflate(R.menu.conversation_list_empty, menu);
-    }
-
-    super.onPrepareOptionsMenu(menu);
-  }
-
   @Override
   public void onListItemClick(ListView l, View v, int position, long id) {
     if (v instanceof ConversationListItem) {
@@ -146,27 +135,15 @@ public class ConversationListFragment extends SherlockListFragment
     }
   }
 
-  private void setQueryFilter(String query) {
+  public void setQueryFilter(String query) {
     this.queryFilter = query;
     getLoaderManager().restartLoader(0, null, this);
   }
 
-  private void initializeSearch(SearchView searchView) {
-    searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
-      @Override
-      public boolean onQueryTextSubmit(String query) {
-        if (isAdded()) {
-          setQueryFilter(query);
-          return true;
-        }
-        return false;
-      }
-
-      @Override
-      public boolean onQueryTextChange(String newText) {
-        return onQueryTextSubmit(newText);
-      }
-    });
+  public void resetQueryFilter() {
+    if (!TextUtils.isEmpty(this.queryFilter)) {
+      setQueryFilter("");
+    }
   }
 
   private void initializeBatchListener() {
@@ -174,7 +151,7 @@ public class ConversationListFragment extends SherlockListFragment
       @Override
       public boolean onItemLongClick(AdapterView<?> arg0, View v, int position, long id) {
         ConversationListAdapter adapter = (ConversationListAdapter)getListAdapter();
-        actionMode = getSherlockActivity().startActionMode(ConversationListFragment.this);
+        actionMode = ((ActionBarActivity)getActivity()).startSupportActionMode(ConversationListFragment.this);
 
         adapter.initializeBatchMode(true);
         adapter.toggleThreadInBatchSet(((ConversationListItem) v).getThreadId());
@@ -223,8 +200,8 @@ public class ConversationListFragment extends SherlockListFragment
             @Override
             protected void onPreExecute() {
               dialog = ProgressDialog.show(getActivity(),
-                                           getSherlockActivity().getString(R.string.ConversationListFragment_deleting),
-                                           getSherlockActivity().getString(R.string.ConversationListFragment_deleting_selected_threads),
+                                           getActivity().getString(R.string.ConversationListFragment_deleting),
+                                           getActivity().getString(R.string.ConversationListFragment_deleting_selected_threads),
                                            true, false);
             }
 
@@ -289,7 +266,7 @@ public class ConversationListFragment extends SherlockListFragment
 
   @Override
   public boolean onCreateActionMode(ActionMode mode, Menu menu) {
-    MenuInflater inflater = getSherlockActivity().getSupportMenuInflater();
+    MenuInflater inflater = getActivity().getMenuInflater();
     inflater.inflate(R.menu.conversation_list_batch, menu);
 
     mode.setTitle(R.string.conversation_fragment_cab__batch_selection_mode);
diff --git a/src/org/thoughtcrime/securesms/CountrySelectionActivity.java b/src/org/thoughtcrime/securesms/CountrySelectionActivity.java
index b0a0f07d0..25563a6e3 100644
--- a/src/org/thoughtcrime/securesms/CountrySelectionActivity.java
+++ b/src/org/thoughtcrime/securesms/CountrySelectionActivity.java
@@ -3,11 +3,11 @@ package org.thoughtcrime.securesms;
 
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.v4.app.FragmentActivity;
 
-import com.actionbarsherlock.app.SherlockFragmentActivity;
 import org.thoughtcrime.securesms.util.DynamicTheme;
 
-public class CountrySelectionActivity extends SherlockFragmentActivity
+public class CountrySelectionActivity extends FragmentActivity
     implements CountrySelectionFragment.CountrySelectedListener
 
 {
diff --git a/src/org/thoughtcrime/securesms/CountrySelectionFragment.java b/src/org/thoughtcrime/securesms/CountrySelectionFragment.java
index 87d2441de..e39d1d95b 100644
--- a/src/org/thoughtcrime/securesms/CountrySelectionFragment.java
+++ b/src/org/thoughtcrime/securesms/CountrySelectionFragment.java
@@ -2,6 +2,7 @@ package org.thoughtcrime.securesms;
 
 import android.app.Activity;
 import android.os.Bundle;
+import android.support.v4.app.ListFragment;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.Loader;
 import android.text.Editable;
@@ -13,14 +14,13 @@ import android.widget.EditText;
 import android.widget.ListView;
 import android.widget.SimpleAdapter;
 
-import com.actionbarsherlock.app.SherlockListFragment;
 
 import org.thoughtcrime.securesms.database.loaders.CountryListLoader;
 
 import java.util.ArrayList;
 import java.util.Map;
 
-public class CountrySelectionFragment extends SherlockListFragment implements LoaderManager.LoaderCallbacks<ArrayList<Map<String, String>>> {
+public class CountrySelectionFragment extends ListFragment implements LoaderManager.LoaderCallbacks<ArrayList<Map<String, String>>> {
 
   private EditText countryFilter;
   private CountrySelectedListener listener;
diff --git a/src/org/thoughtcrime/securesms/DatabaseMigrationActivity.java b/src/org/thoughtcrime/securesms/DatabaseMigrationActivity.java
index 5256beac0..6b4fc7a6a 100644
--- a/src/org/thoughtcrime/securesms/DatabaseMigrationActivity.java
+++ b/src/org/thoughtcrime/securesms/DatabaseMigrationActivity.java
@@ -20,7 +20,7 @@ import org.thoughtcrime.securesms.database.SmsMigrator.ProgressDescription;
 import org.thoughtcrime.securesms.service.ApplicationMigrationService;
 import org.thoughtcrime.securesms.service.ApplicationMigrationService.ImportState;
 
-public class DatabaseMigrationActivity extends PassphraseRequiredSherlockActivity {
+public class DatabaseMigrationActivity extends PassphraseRequiredActionBarActivity {
 
   private final ImportServiceConnection serviceConnection  = new ImportServiceConnection();
   private final ImportStateHandler      importStateHandler = new ImportStateHandler();
diff --git a/src/org/thoughtcrime/securesms/ExportFragment.java b/src/org/thoughtcrime/securesms/ExportFragment.java
index da17f0139..b91650384 100644
--- a/src/org/thoughtcrime/securesms/ExportFragment.java
+++ b/src/org/thoughtcrime/securesms/ExportFragment.java
@@ -7,13 +7,13 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.support.v4.app.Fragment;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Toast;
 
-import com.actionbarsherlock.app.SherlockFragment;
 import org.whispersystems.textsecure.crypto.MasterSecret;
 import org.thoughtcrime.securesms.util.Dialogs;
 //import org.thoughtcrime.securesms.database.EncryptedBackupExporter;
@@ -23,7 +23,7 @@ import org.thoughtcrime.securesms.database.PlaintextBackupExporter;
 import java.io.IOException;
 
 
-public class ExportFragment extends SherlockFragment {
+public class ExportFragment extends Fragment {
 
   private static final int SUCCESS    = 0;
   private static final int NO_SD_CARD = 1;
diff --git a/src/org/thoughtcrime/securesms/GroupCreateActivity.java b/src/org/thoughtcrime/securesms/GroupCreateActivity.java
index 68de5474c..0cd165644 100644
--- a/src/org/thoughtcrime/securesms/GroupCreateActivity.java
+++ b/src/org/thoughtcrime/securesms/GroupCreateActivity.java
@@ -31,6 +31,9 @@ import android.text.TextUtils;
 import android.text.TextWatcher;
 import android.util.Log;
 import android.util.Pair;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.widget.EditText;
 import android.widget.ImageView;
@@ -38,9 +41,6 @@ import android.widget.ListView;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
 import com.google.protobuf.ByteString;
 
 import org.thoughtcrime.securesms.components.PushRecipientsPanel;
@@ -88,7 +88,7 @@ import static org.whispersystems.textsecure.push.PushMessageProtos.PushMessageCo
  *
  * @author Jake McGinty
  */
-public class GroupCreateActivity extends PassphraseRequiredSherlockFragmentActivity {
+public class GroupCreateActivity extends PassphraseRequiredActionBarActivity {
 
   private final static String TAG = GroupCreateActivity.class.getSimpleName();
 
@@ -294,7 +294,7 @@ public class GroupCreateActivity extends PassphraseRequiredSherlockFragmentActiv
 
   @Override
   public boolean onPrepareOptionsMenu(Menu menu) {
-    MenuInflater inflater = this.getSupportMenuInflater();
+    MenuInflater inflater = this.getMenuInflater();
     menu.clear();
 
     inflater.inflate(R.menu.group_create, menu);
diff --git a/src/org/thoughtcrime/securesms/ImportExportActivity.java b/src/org/thoughtcrime/securesms/ImportExportActivity.java
index 5cc3e5a76..f8039d72b 100644
--- a/src/org/thoughtcrime/securesms/ImportExportActivity.java
+++ b/src/org/thoughtcrime/securesms/ImportExportActivity.java
@@ -6,14 +6,13 @@ import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentStatePagerAdapter;
 import android.support.v4.app.FragmentTransaction;
 import android.support.v4.view.ViewPager;
-
-import com.actionbarsherlock.app.ActionBar;
-import com.actionbarsherlock.view.MenuItem;
+import android.support.v7.app.ActionBar;
+import android.view.MenuItem;
 
 import org.whispersystems.textsecure.crypto.MasterSecret;
 
 
-public class ImportExportActivity extends PassphraseRequiredSherlockFragmentActivity {
+public class ImportExportActivity extends PassphraseRequiredActionBarActivity {
 
   private TabPagerAdapter tabPagerAdapter;
   private ViewPager viewPager;
diff --git a/src/org/thoughtcrime/securesms/ImportFragment.java b/src/org/thoughtcrime/securesms/ImportFragment.java
index 0140d2f47..5caacbb41 100644
--- a/src/org/thoughtcrime/securesms/ImportFragment.java
+++ b/src/org/thoughtcrime/securesms/ImportFragment.java
@@ -7,13 +7,13 @@ import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.support.v4.app.Fragment;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Toast;
 
-import com.actionbarsherlock.app.SherlockFragment;
 import org.whispersystems.textsecure.crypto.MasterSecret;
 import org.thoughtcrime.securesms.util.Dialogs;
 import org.thoughtcrime.securesms.database.EncryptedBackupExporter;
@@ -26,7 +26,7 @@ import org.thoughtcrime.securesms.service.KeyCachingService;
 import java.io.IOException;
 
 
-public class ImportFragment extends SherlockFragment {
+public class ImportFragment extends Fragment {
 
   private static final int SUCCESS    = 0;
   private static final int NO_SD_CARD = 1;
diff --git a/src/org/thoughtcrime/securesms/KeyScanningActivity.java b/src/org/thoughtcrime/securesms/KeyScanningActivity.java
index fe29b0579..cdd6c562f 100644
--- a/src/org/thoughtcrime/securesms/KeyScanningActivity.java
+++ b/src/org/thoughtcrime/securesms/KeyScanningActivity.java
@@ -18,6 +18,9 @@ package org.thoughtcrime.securesms;
 
 import android.content.Intent;
 import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.widget.Toast;
 
 import org.whispersystems.libaxolotl.IdentityKey;
@@ -25,9 +28,6 @@ import org.whispersystems.textsecure.util.Base64;
 import org.thoughtcrime.securesms.util.Dialogs;
 import org.thoughtcrime.securesms.util.DynamicTheme;
 
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
 import org.whispersystems.textsecure.zxing.integration.IntentIntegrator;
 import org.whispersystems.textsecure.zxing.integration.IntentResult;
 
@@ -36,7 +36,7 @@ import org.whispersystems.textsecure.zxing.integration.IntentResult;
  *
  * @author Moxie Marlinspike
  */
-public abstract class KeyScanningActivity extends PassphraseRequiredSherlockActivity {
+public abstract class KeyScanningActivity extends PassphraseRequiredActionBarActivity {
 
   private final DynamicTheme dynamicTheme = new DynamicTheme();
 
@@ -56,7 +56,7 @@ public abstract class KeyScanningActivity extends PassphraseRequiredSherlockActi
   public boolean onPrepareOptionsMenu(Menu menu) {
     super.onPrepareOptionsMenu(menu);
 
-    MenuInflater inflater = this.getSupportMenuInflater();
+    MenuInflater inflater = this.getMenuInflater();
     menu.clear();
 
     inflater.inflate(R.menu.key_scanning, menu);
diff --git a/src/org/thoughtcrime/securesms/LogSubmitActivity.java b/src/org/thoughtcrime/securesms/LogSubmitActivity.java
index 7296762a6..870c6becb 100644
--- a/src/org/thoughtcrime/securesms/LogSubmitActivity.java
+++ b/src/org/thoughtcrime/securesms/LogSubmitActivity.java
@@ -1,6 +1,7 @@
 package org.thoughtcrime.securesms;
 
 import android.app.AlertDialog;
+import android.support.v7.app.ActionBarActivity;
 import android.text.ClipboardManager;
 import android.content.DialogInterface;
 import android.os.AsyncTask;
@@ -8,14 +9,13 @@ import android.os.Bundle;
 import android.text.TextUtils;
 import android.util.Log;
 import android.util.TypedValue;
+import android.view.MenuItem;
 import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import com.actionbarsherlock.app.SherlockActivity;
-import com.actionbarsherlock.view.MenuItem;
 import com.google.thoughtcrimegson.Gson;
 import com.google.thoughtcrimegson.JsonIOException;
 import com.google.thoughtcrimegson.JsonSyntaxException;
@@ -38,7 +38,7 @@ import java.util.Map;
 /**
  * Activity for submitting logcat logs to a pastebin service.
  */
-public class LogSubmitActivity extends SherlockActivity {
+public class LogSubmitActivity extends ActionBarActivity {
   private static final String TAG = LogSubmitActivity.class.getSimpleName();
 
   private static final String HASTEBIN_ENDPOINT = "http://hastebin.com/documents";
diff --git a/src/org/thoughtcrime/securesms/MediaPreviewActivity.java b/src/org/thoughtcrime/securesms/MediaPreviewActivity.java
index c67d86c9a..f62810d53 100644
--- a/src/org/thoughtcrime/securesms/MediaPreviewActivity.java
+++ b/src/org/thoughtcrime/securesms/MediaPreviewActivity.java
@@ -25,21 +25,19 @@ import android.os.Build.VERSION;
 import android.os.Build.VERSION_CODES;
 import android.os.Bundle;
 import android.util.Log;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.WindowManager;
 import android.widget.ImageView;
 import android.widget.Toast;
 
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
-
 import org.thoughtcrime.securesms.database.DatabaseFactory;
 import org.thoughtcrime.securesms.providers.PartProvider;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.util.DateUtils;
 import org.thoughtcrime.securesms.util.DynamicLanguage;
-import org.thoughtcrime.securesms.util.DynamicTheme;
 import org.thoughtcrime.securesms.util.SaveAttachmentTask;
 import org.thoughtcrime.securesms.util.SaveAttachmentTask.Attachment;
 import org.whispersystems.textsecure.crypto.MasterSecret;
@@ -52,14 +50,13 @@ import uk.co.senab.photoview.PhotoViewAttacher;
 /**
  * Activity for displaying media attachments in-app
  */
-public class MediaPreviewActivity extends PassphraseRequiredSherlockActivity {
+public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity {
   private final static String TAG = MediaPreviewActivity.class.getSimpleName();
 
   public final static String MASTER_SECRET_EXTRA = "master_secret";
   public final static String RECIPIENT_EXTRA     = "recipient";
   public final static String DATE_EXTRA          = "date";
 
-  private final DynamicTheme    dynamicTheme    = new DynamicTheme();
   private final DynamicLanguage dynamicLanguage = new DynamicLanguage();
 
   private MasterSecret masterSecret;
@@ -76,17 +73,17 @@ public class MediaPreviewActivity extends PassphraseRequiredSherlockActivity {
     setFullscreenIfPossible();
     getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                          WindowManager.LayoutParams.FLAG_FULLSCREEN);
-    dynamicTheme.onCreate(this);
     dynamicLanguage.onCreate(this);
+    this.setTheme(R.style.TextSecure_DarkTheme);
     super.onCreate(bundle);
     getSupportActionBar().setDisplayHomeAsUpEnabled(true);
     setContentView(R.layout.media_preview_activity);
     initializeResources();
   }
 
-  @TargetApi(VERSION_CODES.HONEYCOMB)
+  @TargetApi(VERSION_CODES.JELLY_BEAN)
   private void setFullscreenIfPossible() {
-    if (VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB) {
+    if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {
       getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN);
     }
   }
@@ -94,11 +91,9 @@ public class MediaPreviewActivity extends PassphraseRequiredSherlockActivity {
   @Override
   public void onResume() {
     super.onResume();
-    dynamicTheme.onResume(this);
     dynamicLanguage.onResume(this);
 
     masterSecret = getIntent().getParcelableExtra(MASTER_SECRET_EXTRA);
-
     mediaUri     = getIntent().getData();
     mediaType    = getIntent().getType();
     recipient    = getIntent().getParcelableExtra(RECIPIENT_EXTRA);
@@ -175,7 +170,7 @@ public class MediaPreviewActivity extends PassphraseRequiredSherlockActivity {
     super.onPrepareOptionsMenu(menu);
 
     menu.clear();
-    MenuInflater inflater = this.getSupportMenuInflater();
+    MenuInflater inflater = this.getMenuInflater();
     inflater.inflate(R.menu.media_preview, menu);
 
     return true;
diff --git a/src/org/thoughtcrime/securesms/MmsPreferencesActivity.java b/src/org/thoughtcrime/securesms/MmsPreferencesActivity.java
index d6f5c9b33..e2e9abd88 100644
--- a/src/org/thoughtcrime/securesms/MmsPreferencesActivity.java
+++ b/src/org/thoughtcrime/securesms/MmsPreferencesActivity.java
@@ -18,21 +18,18 @@ package org.thoughtcrime.securesms;
 
 import android.content.Intent;
 import android.os.Bundle;
-import android.preference.EditTextPreference;
-import android.preference.Preference;
-import android.widget.Toast;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentTransaction;
+import android.view.MenuItem;
 
-import com.actionbarsherlock.view.MenuItem;
-
-import org.thoughtcrime.securesms.mms.IncomingMmsConnection;
 import org.thoughtcrime.securesms.service.SendReceiveService;
 import org.thoughtcrime.securesms.util.DynamicLanguage;
 import org.thoughtcrime.securesms.util.DynamicTheme;
 import org.thoughtcrime.securesms.util.MemoryCleaner;
-import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.whispersystems.textsecure.crypto.MasterSecret;
 
-public class MmsPreferencesActivity extends PassphraseRequiredSherlockPreferenceActivity {
+public class MmsPreferencesActivity extends PassphraseRequiredActionBarActivity {
 
   private MasterSecret masterSecret;
 
@@ -46,11 +43,15 @@ public class MmsPreferencesActivity extends PassphraseRequiredSherlockPreference
     super.onCreate(icicle);
 
     this.getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-    initializePreferences();
 
     masterSecret = getIntent().getParcelableExtra("master_secret");
 
-    initializeEditTextSummaries();
+    Fragment fragment = new MmsPreferencesFragment();
+    FragmentManager fragmentManager = getSupportFragmentManager();
+    FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
+    fragmentTransaction.replace(android.R.id.content, fragment);
+    fragmentTransaction.commit();
+
   }
 
   @Override
@@ -85,51 +86,9 @@ public class MmsPreferencesActivity extends PassphraseRequiredSherlockPreference
     super.onBackPressed();
   }
 
-  private void initializePreferences() {
-    if (!IncomingMmsConnection.isConnectionPossible(this, null)) {
-      TextSecurePreferences.setUseLocalApnsEnabled(this, true);
-      addPreferencesFromResource(R.xml.mms_preferences);
-      this.findPreference(TextSecurePreferences.ENABLE_MANUAL_MMS_PREF).setOnPreferenceChangeListener(new OverrideMmsChangeListener());
-    } else {
-      addPreferencesFromResource(R.xml.mms_preferences);
-    }
-  }
-
-  private void initializeEditTextSummary(final EditTextPreference preference) {
-    if (preference.getText() == null) {
-      preference.setSummary("Not set");
-    } else {
-      preference.setSummary(preference.getText());
-    }
-
-    preference.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
-      @Override
-      public boolean onPreferenceChange(Preference pref, Object newValue) {
-        preference.setSummary(newValue == null ? "Not set" : ((String) newValue));
-        return true;
-      }
-    });
-  }
-
-  private void initializeEditTextSummaries() {
-    initializeEditTextSummary((EditTextPreference)this.findPreference(TextSecurePreferences.MMSC_HOST_PREF));
-    initializeEditTextSummary((EditTextPreference)this.findPreference(TextSecurePreferences.MMSC_PROXY_HOST_PREF));
-    initializeEditTextSummary((EditTextPreference)this.findPreference(TextSecurePreferences.MMSC_PROXY_PORT_PREF));
-  }
-
   private void handleDownloadMmsPendingApn() {
     Intent intent = new Intent(this, SendReceiveService.class);
     intent.setAction(SendReceiveService.DOWNLOAD_MMS_PENDING_APN_ACTION);
     startService(intent);
   }
-
-  private class OverrideMmsChangeListener implements Preference.OnPreferenceChangeListener {
-    @Override
-    public boolean onPreferenceChange(Preference preference, Object o) {
-      TextSecurePreferences.setUseLocalApnsEnabled(MmsPreferencesActivity.this, true);
-      Toast.makeText(MmsPreferencesActivity.this, R.string.mms_preferences_activity__manual_mms_settings_are_required, Toast.LENGTH_SHORT).show();
-      return false;
-    }
-  }
-
 }
diff --git a/src/org/thoughtcrime/securesms/MmsPreferencesFragment.java b/src/org/thoughtcrime/securesms/MmsPreferencesFragment.java
new file mode 100644
index 000000000..edecf0156
--- /dev/null
+++ b/src/org/thoughtcrime/securesms/MmsPreferencesFragment.java
@@ -0,0 +1,78 @@
+/**
+ * Copyright (C) 2014 Open Whisper Systems
+ *
+ * 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.thoughtcrime.securesms;
+
+import android.os.Bundle;
+import android.preference.EditTextPreference;
+import android.preference.Preference;
+import android.support.v4.preference.PreferenceFragment;
+import android.widget.Toast;
+
+import org.thoughtcrime.securesms.mms.OutgoingMmsConnection;
+import org.thoughtcrime.securesms.util.TextSecurePreferences;
+
+
+public class MmsPreferencesFragment extends PreferenceFragment {
+
+  @Override
+  public void onCreate(Bundle paramBundle) {
+    super.onCreate(paramBundle);
+    initializePreferences();
+    initializeEditTextSummaries();
+  }
+
+  private void initializePreferences() {
+    if (!OutgoingMmsConnection.isConnectionPossible(getActivity())) {
+      TextSecurePreferences.setUseLocalApnsEnabled(getActivity(), true);
+      addPreferencesFromResource(R.xml.mms_preferences);
+      this.findPreference(TextSecurePreferences.ENABLE_MANUAL_MMS_PREF).setOnPreferenceChangeListener(new OverrideMmsChangeListener());
+    } else {
+      addPreferencesFromResource(R.xml.mms_preferences);
+    }
+  }
+
+  private void initializeEditTextSummary(final EditTextPreference preference) {
+    if (preference.getText() == null) {
+      preference.setSummary("Not set");
+    } else {
+      preference.setSummary(preference.getText());
+    }
+
+    preference.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
+      @Override
+      public boolean onPreferenceChange(Preference pref, Object newValue) {
+        preference.setSummary(newValue == null ? "Not set" : ((String) newValue));
+        return true;
+      }
+    });
+  }
+
+  private void initializeEditTextSummaries() {
+    initializeEditTextSummary((EditTextPreference)this.findPreference(TextSecurePreferences.MMSC_HOST_PREF));
+    initializeEditTextSummary((EditTextPreference)this.findPreference(TextSecurePreferences.MMSC_PROXY_HOST_PREF));
+    initializeEditTextSummary((EditTextPreference)this.findPreference(TextSecurePreferences.MMSC_PROXY_PORT_PREF));
+  }
+
+  private class OverrideMmsChangeListener implements Preference.OnPreferenceChangeListener {
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object o) {
+      TextSecurePreferences.setUseLocalApnsEnabled(getActivity(), true);
+      Toast.makeText(getActivity(), R.string.mms_preferences_activity__manual_mms_settings_are_required, Toast.LENGTH_SHORT).show();
+      return false;
+    }
+  }
+}
diff --git a/src/org/thoughtcrime/securesms/NewConversationActivity.java b/src/org/thoughtcrime/securesms/NewConversationActivity.java
index 8e11f4b2f..03ff6ff10 100644
--- a/src/org/thoughtcrime/securesms/NewConversationActivity.java
+++ b/src/org/thoughtcrime/securesms/NewConversationActivity.java
@@ -19,10 +19,9 @@ package org.thoughtcrime.securesms;
 import android.content.Intent;
 import android.os.Bundle;
 import android.util.Log;
-
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 
 import org.thoughtcrime.securesms.contacts.ContactAccessor;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
@@ -50,7 +49,7 @@ import static org.thoughtcrime.securesms.contacts.ContactAccessor.ContactData;
  * @author Moxie Marlinspike
  *
  */
-public class NewConversationActivity extends PassphraseRequiredSherlockFragmentActivity {
+public class NewConversationActivity extends PassphraseRequiredActionBarActivity {
   private final static String TAG                 = "ContactSelectActivity";
   public  final static String MASTER_SECRET_EXTRA = "master_secret";
 
@@ -83,7 +82,7 @@ public class NewConversationActivity extends PassphraseRequiredSherlockFragmentA
 
   @Override
   public boolean onPrepareOptionsMenu(Menu menu) {
-    MenuInflater inflater = this.getSupportMenuInflater();
+    MenuInflater inflater = this.getMenuInflater();
     menu.clear();
 
     if (TextSecurePreferences.isPushRegistered(this)) inflater.inflate(R.menu.push_directory, menu);
diff --git a/src/org/thoughtcrime/securesms/PassphraseActivity.java b/src/org/thoughtcrime/securesms/PassphraseActivity.java
index 8dcf575ce..d629d7380 100644
--- a/src/org/thoughtcrime/securesms/PassphraseActivity.java
+++ b/src/org/thoughtcrime/securesms/PassphraseActivity.java
@@ -21,19 +21,19 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.ServiceConnection;
 import android.os.IBinder;
+import android.support.v7.app.ActionBarActivity;
 
 import org.whispersystems.textsecure.crypto.MasterSecret;
 import org.thoughtcrime.securesms.service.KeyCachingService;
 import org.thoughtcrime.securesms.util.MemoryCleaner;
 
-import com.actionbarsherlock.app.SherlockActivity;
 
 /**
  * Base Activity for changing/prompting local encryption passphrase.
  *
  * @author Moxie Marlinspike
  */
-public abstract class PassphraseActivity extends SherlockActivity {
+public abstract class PassphraseActivity extends ActionBarActivity {
 
   private KeyCachingService keyCachingService;
   private MasterSecret masterSecret;
diff --git a/src/org/thoughtcrime/securesms/PassphraseCreateActivity.java b/src/org/thoughtcrime/securesms/PassphraseCreateActivity.java
index b083acab1..a0535eab8 100644
--- a/src/org/thoughtcrime/securesms/PassphraseCreateActivity.java
+++ b/src/org/thoughtcrime/securesms/PassphraseCreateActivity.java
@@ -20,13 +20,7 @@ import android.graphics.drawable.Drawable;
 import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Bundle;
-import android.view.View;
-import android.widget.Button;
-import android.widget.EditText;
-import android.widget.LinearLayout;
-import android.widget.Toast;
-
-import com.actionbarsherlock.app.ActionBar;
+import android.support.v7.app.ActionBar;
 
 import org.thoughtcrime.securesms.crypto.IdentityKeyUtil;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
diff --git a/src/org/thoughtcrime/securesms/PassphrasePromptActivity.java b/src/org/thoughtcrime/securesms/PassphrasePromptActivity.java
index a7cc7fcfe..13e75ba2f 100644
--- a/src/org/thoughtcrime/securesms/PassphrasePromptActivity.java
+++ b/src/org/thoughtcrime/securesms/PassphrasePromptActivity.java
@@ -20,6 +20,7 @@ import android.content.Intent;
 import android.graphics.drawable.Drawable;
 import android.os.Build;
 import android.os.Bundle;
+import android.support.v7.app.ActionBar;
 import android.text.Editable;
 import android.text.SpannableString;
 import android.text.Spanned;
@@ -27,6 +28,9 @@ import android.text.style.ForegroundColorSpan;
 import android.text.style.RelativeSizeSpan;
 import android.text.style.TypefaceSpan;
 import android.view.KeyEvent;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.inputmethod.EditorInfo;
@@ -35,11 +39,6 @@ import android.widget.ImageButton;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import com.actionbarsherlock.app.ActionBar;
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
-
 import org.thoughtcrime.securesms.crypto.InvalidPassphraseException;
 import org.thoughtcrime.securesms.crypto.MasterSecretUtil;
 import org.thoughtcrime.securesms.util.MemoryCleaner;
@@ -65,7 +64,7 @@ public class PassphrasePromptActivity extends PassphraseActivity {
 
   @Override
   public boolean onPrepareOptionsMenu(Menu menu) {
-    MenuInflater inflater = this.getSupportMenuInflater();
+    MenuInflater inflater = this.getMenuInflater();
     menu.clear();
 
     inflater.inflate(R.menu.log_submit, menu);
diff --git a/src/org/thoughtcrime/securesms/PassphraseRequiredSherlockActivity.java b/src/org/thoughtcrime/securesms/PassphraseRequiredActionBarActivity.java
similarity index 82%
rename from src/org/thoughtcrime/securesms/PassphraseRequiredSherlockActivity.java
rename to src/org/thoughtcrime/securesms/PassphraseRequiredActionBarActivity.java
index 0566c6343..bf9cbb83b 100644
--- a/src/org/thoughtcrime/securesms/PassphraseRequiredSherlockActivity.java
+++ b/src/org/thoughtcrime/securesms/PassphraseRequiredActionBarActivity.java
@@ -1,12 +1,11 @@
 package org.thoughtcrime.securesms;
 
 import android.os.Bundle;
+import android.support.v7.app.ActionBarActivity;
 
 import org.whispersystems.textsecure.crypto.MasterSecret;
 
-import com.actionbarsherlock.app.SherlockActivity;
-
-public class PassphraseRequiredSherlockActivity extends SherlockActivity implements PassphraseRequiredActivity {
+public class PassphraseRequiredActionBarActivity extends ActionBarActivity implements PassphraseRequiredActivity {
 
   private final PassphraseRequiredMixin delegate = new PassphraseRequiredMixin();
 
diff --git a/src/org/thoughtcrime/securesms/PassphraseRequiredSherlockFragmentActivity.java b/src/org/thoughtcrime/securesms/PassphraseRequiredSherlockFragmentActivity.java
deleted file mode 100644
index 257ce5943..000000000
--- a/src/org/thoughtcrime/securesms/PassphraseRequiredSherlockFragmentActivity.java
+++ /dev/null
@@ -1,44 +0,0 @@
-package org.thoughtcrime.securesms;
-
-import android.os.Bundle;
-
-import org.whispersystems.textsecure.crypto.MasterSecret;
-
-import com.actionbarsherlock.app.SherlockFragmentActivity;
-
-public class PassphraseRequiredSherlockFragmentActivity extends SherlockFragmentActivity implements PassphraseRequiredActivity {
-
-  private final PassphraseRequiredMixin delegate = new PassphraseRequiredMixin();
-
-  @Override
-  protected void onCreate(Bundle savedInstanceState) {
-    super.onCreate(savedInstanceState);
-    delegate.onCreate(this);
-  }
-
-  @Override
-  protected void onResume() {
-    super.onResume();
-    delegate.onResume(this);
-  }
-
-  @Override
-  protected void onPause() {
-    super.onPause();
-    delegate.onPause(this);
-  }
-
-  @Override
-  protected void onDestroy() {
-    super.onDestroy();
-    delegate.onDestroy(this);
-  }
-
-  @Override
-  public void onMasterSecretCleared() {
-    finish();
-  }
-
-  @Override
-  public void onNewMasterSecret(MasterSecret masterSecret) {}
-}
diff --git a/src/org/thoughtcrime/securesms/PassphraseRequiredSherlockListActivity.java b/src/org/thoughtcrime/securesms/PassphraseRequiredSherlockListActivity.java
index 1f4834612..4ca17d28e 100644
--- a/src/org/thoughtcrime/securesms/PassphraseRequiredSherlockListActivity.java
+++ b/src/org/thoughtcrime/securesms/PassphraseRequiredSherlockListActivity.java
@@ -1,12 +1,12 @@
 package org.thoughtcrime.securesms;
 
 import android.os.Bundle;
+import android.support.v7.app.ActionBarActivity;
 
 import org.whispersystems.textsecure.crypto.MasterSecret;
 
-import com.actionbarsherlock.app.SherlockListActivity;
 
-public class PassphraseRequiredSherlockListActivity extends SherlockListActivity implements PassphraseRequiredActivity {
+public class PassphraseRequiredSherlockListActivity extends ActionBarListActivity implements PassphraseRequiredActivity {
 
   private final PassphraseRequiredMixin delegate = new PassphraseRequiredMixin();
 
diff --git a/src/org/thoughtcrime/securesms/PassphraseRequiredSherlockPreferenceActivity.java b/src/org/thoughtcrime/securesms/PassphraseRequiredSherlockPreferenceActivity.java
deleted file mode 100644
index 6f44c743c..000000000
--- a/src/org/thoughtcrime/securesms/PassphraseRequiredSherlockPreferenceActivity.java
+++ /dev/null
@@ -1,48 +0,0 @@
-package org.thoughtcrime.securesms;
-
-import android.os.Bundle;
-
-import org.whispersystems.textsecure.crypto.MasterSecret;
-
-import com.actionbarsherlock.app.SherlockPreferenceActivity;
-
-public abstract class PassphraseRequiredSherlockPreferenceActivity
-  extends SherlockPreferenceActivity
-  implements PassphraseRequiredActivity
-{
-
-  private final PassphraseRequiredMixin delegate = new PassphraseRequiredMixin();
-
-  @Override
-  protected void onCreate(Bundle savedInstanceState) {
-    super.onCreate(savedInstanceState);
-    delegate.onCreate(this);
-  }
-
-  @Override
-  protected void onResume() {
-    super.onResume();
-    delegate.onResume(this);
-  }
-
-  @Override
-  protected void onPause() {
-    super.onPause();
-    delegate.onPause(this);
-  }
-
-  @Override
-  protected void onDestroy() {
-    super.onDestroy();
-    delegate.onDestroy(this);
-  }
-
-  @Override
-  public void onMasterSecretCleared() {
-    finish();
-  }
-
-  @Override
-  public void onNewMasterSecret(MasterSecret masterSecret) {}
-
-}
diff --git a/src/org/thoughtcrime/securesms/PromptMmsActivity.java b/src/org/thoughtcrime/securesms/PromptMmsActivity.java
index 295d4bec5..0e4abc51a 100644
--- a/src/org/thoughtcrime/securesms/PromptMmsActivity.java
+++ b/src/org/thoughtcrime/securesms/PromptMmsActivity.java
@@ -5,7 +5,7 @@ import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
 
-public class PromptMmsActivity extends PassphraseRequiredSherlockActivity {
+public class PromptMmsActivity extends PassphraseRequiredActionBarActivity {
 
   private Button okButton;
   private Button cancelButton;
diff --git a/src/org/thoughtcrime/securesms/PushContactSelectionActivity.java b/src/org/thoughtcrime/securesms/PushContactSelectionActivity.java
index f9b5eee8c..6075c0454 100644
--- a/src/org/thoughtcrime/securesms/PushContactSelectionActivity.java
+++ b/src/org/thoughtcrime/securesms/PushContactSelectionActivity.java
@@ -19,15 +19,15 @@ package org.thoughtcrime.securesms;
 import android.content.Intent;
 import android.os.Bundle;
 import android.util.Log;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 
 import org.thoughtcrime.securesms.util.DirectoryHelper;
 import org.thoughtcrime.securesms.util.DynamicLanguage;
 import org.thoughtcrime.securesms.util.DynamicTheme;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -40,7 +40,7 @@ import static org.thoughtcrime.securesms.contacts.ContactAccessor.ContactData;
  * @author Moxie Marlinspike
  *
  */
-public class PushContactSelectionActivity extends PassphraseRequiredSherlockFragmentActivity {
+public class PushContactSelectionActivity extends PassphraseRequiredActionBarActivity {
   private final static String TAG             = "ContactSelectActivity";
   public  final static String PUSH_ONLY_EXTRA = "push_only";
 
@@ -71,7 +71,7 @@ public class PushContactSelectionActivity extends PassphraseRequiredSherlockFrag
 
   @Override
   public boolean onPrepareOptionsMenu(Menu menu) {
-    MenuInflater inflater = this.getSupportMenuInflater();
+    MenuInflater inflater = this.getMenuInflater();
     menu.clear();
 
     if (TextSecurePreferences.isPushRegistered(this)) inflater.inflate(R.menu.push_directory, menu);
diff --git a/src/org/thoughtcrime/securesms/RegistrationActivity.java b/src/org/thoughtcrime/securesms/RegistrationActivity.java
index 8922c42c1..a7c75d172 100644
--- a/src/org/thoughtcrime/securesms/RegistrationActivity.java
+++ b/src/org/thoughtcrime/securesms/RegistrationActivity.java
@@ -5,6 +5,7 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.v7.app.ActionBarActivity;
 import android.telephony.TelephonyManager;
 import android.text.Editable;
 import android.text.TextWatcher;
@@ -17,7 +18,6 @@ import android.widget.Spinner;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import com.actionbarsherlock.app.SherlockActivity;
 import com.google.android.gms.common.ConnectionResult;
 import com.google.android.gms.common.GooglePlayServicesUtil;
 import com.google.i18n.phonenumbers.AsYouTypeFormatter;
@@ -38,7 +38,7 @@ import org.whispersystems.textsecure.util.Util;
  * @author Moxie Marlinspike
  *
  */
-public class RegistrationActivity extends SherlockActivity {
+public class RegistrationActivity extends ActionBarActivity {
 
   private static final int PICK_COUNTRY = 1;
 
diff --git a/src/org/thoughtcrime/securesms/RegistrationProblemsActivity.java b/src/org/thoughtcrime/securesms/RegistrationProblemsActivity.java
index af4819970..b26ff129a 100644
--- a/src/org/thoughtcrime/securesms/RegistrationProblemsActivity.java
+++ b/src/org/thoughtcrime/securesms/RegistrationProblemsActivity.java
@@ -1,12 +1,12 @@
 package org.thoughtcrime.securesms;
 
 import android.os.Bundle;
+import android.support.v7.app.ActionBarActivity;
 import android.view.View;
 import android.widget.Button;
 
-import com.actionbarsherlock.app.SherlockActivity;
 
-public class RegistrationProblemsActivity extends SherlockActivity {
+public class RegistrationProblemsActivity extends ActionBarActivity {
 
   @Override
   public void onCreate(Bundle bundle) {
diff --git a/src/org/thoughtcrime/securesms/RegistrationProgressActivity.java b/src/org/thoughtcrime/securesms/RegistrationProgressActivity.java
index 43b2c7bc7..02fe79295 100644
--- a/src/org/thoughtcrime/securesms/RegistrationProgressActivity.java
+++ b/src/org/thoughtcrime/securesms/RegistrationProgressActivity.java
@@ -13,6 +13,7 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Message;
+import android.support.v7.app.ActionBarActivity;
 import android.text.SpannableString;
 import android.text.Spanned;
 import android.text.method.LinkMovementMethod;
@@ -28,7 +29,6 @@ import android.widget.RelativeLayout;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import com.actionbarsherlock.app.SherlockActivity;
 
 import org.thoughtcrime.securesms.push.PushServiceSocketFactory;
 import org.thoughtcrime.securesms.service.RegistrationService;
@@ -45,7 +45,7 @@ import java.io.IOException;
 
 import static org.thoughtcrime.securesms.service.RegistrationService.RegistrationState;
 
-public class RegistrationProgressActivity extends SherlockActivity {
+public class RegistrationProgressActivity extends ActionBarActivity {
 
   private static final int FOCUSED_COLOR   = Color.parseColor("#ff333333");
   private static final int UNFOCUSED_COLOR = Color.parseColor("#ff808080");
diff --git a/src/org/thoughtcrime/securesms/RoutingActivity.java b/src/org/thoughtcrime/securesms/RoutingActivity.java
index 5b0b3b11d..594304801 100644
--- a/src/org/thoughtcrime/securesms/RoutingActivity.java
+++ b/src/org/thoughtcrime/securesms/RoutingActivity.java
@@ -12,7 +12,7 @@ import org.thoughtcrime.securesms.recipients.Recipients;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.whispersystems.textsecure.crypto.MasterSecret;
 
-public class RoutingActivity extends PassphraseRequiredSherlockActivity {
+public class RoutingActivity extends PassphraseRequiredActionBarActivity {
 
   private static final int STATE_CREATE_PASSPHRASE        = 1;
   private static final int STATE_PROMPT_PASSPHRASE        = 2;
diff --git a/src/org/thoughtcrime/securesms/ShareActivity.java b/src/org/thoughtcrime/securesms/ShareActivity.java
index 5a5e2abcf..8631dc8c7 100644
--- a/src/org/thoughtcrime/securesms/ShareActivity.java
+++ b/src/org/thoughtcrime/securesms/ShareActivity.java
@@ -21,12 +21,11 @@ import android.content.Intent;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.WindowManager;
 
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
-
 import org.thoughtcrime.securesms.recipients.Recipients;
 import org.thoughtcrime.securesms.util.DynamicLanguage;
 import org.thoughtcrime.securesms.util.DynamicTheme;
@@ -39,7 +38,7 @@ import org.whispersystems.textsecure.crypto.MasterSecret;
  *
  * @author Jake McGinty
  */
-public class ShareActivity extends PassphraseRequiredSherlockFragmentActivity
+public class ShareActivity extends PassphraseRequiredActionBarActivity
     implements ShareFragment.ConversationSelectedListener
   {
   public final static String MASTER_SECRET_EXTRA = "master_secret";
@@ -88,7 +87,7 @@ public class ShareActivity extends PassphraseRequiredSherlockFragmentActivity
 
   @Override
   public boolean onPrepareOptionsMenu(Menu menu) {
-    MenuInflater inflater = this.getSupportMenuInflater();
+    MenuInflater inflater = this.getMenuInflater();
     menu.clear();
 
     inflater.inflate(R.menu.share, menu);
diff --git a/src/org/thoughtcrime/securesms/ShareFragment.java b/src/org/thoughtcrime/securesms/ShareFragment.java
index 320a8c624..da76f123b 100644
--- a/src/org/thoughtcrime/securesms/ShareFragment.java
+++ b/src/org/thoughtcrime/securesms/ShareFragment.java
@@ -19,6 +19,7 @@ package org.thoughtcrime.securesms;
 import android.app.Activity;
 import android.database.Cursor;
 import android.os.Bundle;
+import android.support.v4.app.ListFragment;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.Loader;
 import android.support.v4.widget.CursorAdapter;
@@ -27,7 +28,6 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ListView;
 
-import com.actionbarsherlock.app.SherlockListFragment;
 
 import org.thoughtcrime.securesms.database.loaders.ConversationListLoader;
 import org.thoughtcrime.securesms.recipients.Recipients;
@@ -38,7 +38,7 @@ import org.whispersystems.textsecure.crypto.MasterSecret;
  *
  * @author Jake McGinty
  */
-public class ShareFragment extends SherlockListFragment implements LoaderManager.LoaderCallbacks<Cursor> {
+public class ShareFragment extends ListFragment implements LoaderManager.LoaderCallbacks<Cursor> {
 
   private ConversationSelectedListener listener;
   private MasterSecret masterSecret;
diff --git a/src/org/thoughtcrime/securesms/ViewLocalIdentityActivity.java b/src/org/thoughtcrime/securesms/ViewLocalIdentityActivity.java
index 87a39bc7f..dab1bbd45 100644
--- a/src/org/thoughtcrime/securesms/ViewLocalIdentityActivity.java
+++ b/src/org/thoughtcrime/securesms/ViewLocalIdentityActivity.java
@@ -18,10 +18,10 @@
 package org.thoughtcrime.securesms;
 
 import android.os.Bundle;
-
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.widget.Toast;
 
 import org.thoughtcrime.securesms.crypto.IdentityKeyUtil;
 import org.whispersystems.textsecure.crypto.IdentityKeyParcelable;
@@ -45,7 +45,7 @@ public class ViewLocalIdentityActivity extends ViewIdentityActivity {
   public boolean onPrepareOptionsMenu(Menu menu) {
     super.onPrepareOptionsMenu(menu);
 
-    MenuInflater inflater = this.getSupportMenuInflater();
+    MenuInflater inflater = this.getMenuInflater();
     inflater.inflate(R.menu.local_identity, menu);
 
     return true;
diff --git a/src/org/thoughtcrime/securesms/util/DynamicTheme.java b/src/org/thoughtcrime/securesms/util/DynamicTheme.java
index 98f543308..e270663d2 100644
--- a/src/org/thoughtcrime/securesms/util/DynamicTheme.java
+++ b/src/org/thoughtcrime/securesms/util/DynamicTheme.java
@@ -31,13 +31,7 @@ public class DynamicTheme {
   private static int getSelectedTheme(Activity activity) {
     String theme = TextSecurePreferences.getTheme(activity);
 
-    if (theme.equals("light")) {
-      if (activity instanceof ConversationActivity) return R.style.TextSecure_LightTheme_ConversationActivity;
-      else                                          return R.style.TextSecure_LightTheme;
-    } else if (theme.equals("dark")) {
-      if (activity instanceof ConversationActivity) return R.style.TextSecure_DarkTheme_ConversationActivity;
-      else                                          return R.style.TextSecure_DarkTheme;
-    }
+    if (theme.equals("dark")) return R.style.TextSecure_DarkTheme;
 
     return R.style.TextSecure_LightTheme;
   }