Theme Support

1) Broke out the UI elements of the major Activites into stylable
   attributes.

2) Created a 'light' and 'dark' theme for the newly stylable attrs.

3) Touched up some of the UI spacing.

4) Implemented dynamic theme switching support.

res/drawable/conversation_list_item_background_read.xml

@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2007 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:state_selected="true"
-        android:drawable="@android:color/transparent" />
-    <item android:state_pressed="true" android:state_selected="false"
-        android:drawable="@android:color/transparent" />
-    <item android:state_selected="false" android:state_activated="false"
-        android:drawable="@color/read_bgcolor" />
-    <item android:state_activated="true"
-        android:drawable="@drawable/list_selector_background_selected" />
-</selector>

res/drawable/conversation_list_item_background_read_dark.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_selected="true"
+          android:drawable="@android:color/transparent" />
+    <item android:state_pressed="true" android:state_selected="false"
+          android:drawable="@android:color/transparent" />
+    <item android:state_selected="false" android:state_activated="false"
+          android:drawable="@color/conversation_list_item_background_read_dark" />
+    <item android:state_activated="true"
+          android:drawable="@drawable/list_selector_background_selected" />
+</selector>

res/drawable/conversation_list_item_background_read_light.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_selected="true"
+        android:drawable="@android:color/transparent" />
+    <item android:state_pressed="true" android:state_selected="false"
+        android:drawable="@android:color/transparent" />
+    <item android:state_selected="false" android:state_activated="false"
+        android:drawable="@color/conversation_list_item_background_read_light" />
+    <item android:state_activated="true"
+        android:drawable="@drawable/list_selector_background_selected" />
+</selector>

res/drawable/conversation_list_item_background_unread.xml

@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2007 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:state_selected="true"
-        android:drawable="@android:color/transparent" />
-    <item android:state_pressed="true" android:state_selected="false"
-        android:drawable="@android:color/transparent" />
-    <item android:state_selected="false" android:state_activated="false"
-        android:drawable="@color/unread_bgcolor" />
-    <item android:state_activated="true"
-        android:drawable="@drawable/list_selector_background_selected" />
-</selector>

res/drawable/conversation_list_item_background_unread_dark.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_selected="true"
+          android:drawable="@android:color/transparent" />
+    <item android:state_pressed="true" android:state_selected="false"
+          android:drawable="@android:color/transparent" />
+    <item android:state_selected="false" android:state_activated="false"
+          android:drawable="@color/conversation_list_item_background_unread_dark" />
+    <item android:state_activated="true"
+          android:drawable="@drawable/list_selector_background_selected" />
+</selector>

res/drawable/conversation_list_item_background_unread_light.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_selected="true"
+        android:drawable="@android:color/transparent" />
+    <item android:state_pressed="true" android:state_selected="false"
+        android:drawable="@android:color/transparent" />
+    <item android:state_selected="false" android:state_activated="false"
+        android:drawable="@color/conversation_list_item_background_unread_light" />
+    <item android:state_activated="true"
+        android:drawable="@drawable/list_selector_background_selected" />
+</selector>

res/layout/conversation_activity.xml

@@ -18,7 +18,7 @@
         android:layout_width="fill_parent"
         android:layout_height="fill_parent"
         android:orientation="vertical"
-        android:background="@drawable/white_background"
+        android:background="?conversation_background"
         android:gravity="bottom">
 
         <fragment
@@ -38,7 +38,7 @@
                 android:layout_height="wrap_content"
                 android:orientation="vertical"
                 android:paddingBottom="5dip"
-                android:background="#fff">
+                android:background="?conversation_background">
 
                <LinearLayout
                  android:id="@+id/attachment_editor"
@@ -51,7 +51,8 @@
                     android:id="@+id/attachment_thumbnail"
                     android:layout_width="fill_parent"
                     android:layout_height="150dip"
-                    android:layout_weight="1" />
+                    android:layout_weight="1"
+                    android:contentDescription="Attachment Thumbnail"/>
 
                 <LinearLayout
                     android:orientation="vertical"
@@ -70,9 +71,9 @@
 
            </LinearLayout>
 
-            <View android:background="#eeeeee"
-                android:layout_width="match_parent"
-                android:layout_height="1dp" />
+            <View android:background="?conversation_editor_background"
+                  android:layout_width="match_parent"
+                  android:layout_height="1dp" />
 
                 <LinearLayout
                     android:id="@+id/bottom_panel"
@@ -97,7 +98,7 @@
                         android:maxLength="1000"
                         android:maxLines="4"
                         android:nextFocusRight="@+id/send_button"
-                        android:textColor="@android:color/black" />
+                        android:textColor="?conversation_editor_text_color" />
 
                     <ImageButton
                         android:id="@+id/send_button"
@@ -108,19 +109,17 @@
                         android:contentDescription="@string/conversation_activity__send"
                         android:nextFocusLeft="@+id/embedded_text_editor"
                         android:padding="12dp"
-                        android:src="@drawable/ic_send_holo_light"
+                        android:src="?conversation_send_button"
                         android:clickable="false"
                         android:enabled="false" />
-<!--                        android:tint="#66ffffff" />-->
 
-"
+
                 </LinearLayout>
-                       <TextView android:id="@+id/space_left"
-                                    android:paddingLeft="5dip"
-                                     android:layout_width="fill_parent"
-                                     android:layout_height="wrap_content"
-                                     android:text="160/160 (1)"
-                            />
+               <TextView android:id="@+id/space_left"
+                         android:paddingLeft="5dip"
+                         android:layout_width="fill_parent"
+                         android:layout_height="wrap_content"
+                         android:text="160/160 (1)" />
             </LinearLayout>
         </ScrollView>
     </RelativeLayout>

res/layout/conversation_item_received.xml

@@ -9,8 +9,9 @@
 
     <RelativeLayout
                   android:layout_width="fill_parent"
-                  android:layout_height="wrap_content"
-                  android:orientation="horizontal">
+                  android:layout_height="fill_parent"
+                  android:orientation="horizontal"
+                  android:background="?conversation_card_background">
 
         <view  xmlns:android="http://schemas.android.com/apk/res/android"
                class="org.thoughtcrime.securesms.components.ImageDivet"
@@ -20,14 +21,15 @@
                android:layout_width="60dp"
                android:layout_height="60dp"
                android:cropToPadding="true"
-               android:layout_marginRight="10dip"
                android:scaleType="centerCrop" />
 
         <LinearLayout android:id="@+id/conversation_item_parent"
                       android:layout_width="fill_parent"
-                      android:layout_height="wrap_content"
+                      android:layout_height="match_parent"
                       android:layout_toLeftOf="@+id/indicators_parent"
                       android:layout_toRightOf="@id/contact_photo"
+                      android:background="?conversation_background"
+                      android:paddingLeft="10dip"
                       android:orientation="vertical" >
 
             <TextView android:id="@+id/conversation_item_body"
@@ -35,14 +37,16 @@
                 android:layout_width="fill_parent"
                 android:layout_height="wrap_content"
                 android:linksClickable="true"
+                android:paddingTop="5dip"
                 android:textAppearance="?android:attr/textAppearanceSmall"
-                android:textColor="#ff000000"
+                android:textColor="?conversation_text_primary_color"
                 android:textSize="16sp" />
 
             <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
                 android:id="@+id/mms_view"
                 android:layout_width="fill_parent"
                 android:layout_height="fill_parent"
+                android:visibility="gone"
                 android:paddingTop="7dip"
                 android:paddingBottom="7dip">
 
@@ -54,7 +58,8 @@
                     android:scaleType="centerInside"
                     android:adjustViewBounds="true"
                     android:background="@android:drawable/picture_frame"
-                    android:visibility="gone" />
+                    android:visibility="gone"
+                    android:contentDescription="Message Media"/>
 
                 <ImageButton
                     android:id="@+id/play_slideshow_button"
@@ -62,7 +67,8 @@
                     android:layout_height="wrap_content"
                     android:src="@drawable/mms_play_btn"
                     android:layout_gravity="center"
-                    android:visibility="gone" />
+                    android:visibility="gone"
+                    android:contentDescription="Play Button"/>
 
             </FrameLayout>
 
@@ -91,16 +97,18 @@
             </LinearLayout>
 
             <LinearLayout android:layout_width="fill_parent"
-                          android:layout_height="wrap_content"
+                          android:layout_height="match_parent"
                           android:orientation="horizontal"
+                          android:paddingTop="5dip"
                           android:gravity="left">
 
               <ImageView android:id="@+id/delivered_indicator"
                          android:layout_width="wrap_content"
                          android:layout_height="wrap_content"
                          android:paddingRight="3dip"
-                         android:src="@drawable/ic_sms_mms_delivered"
-                         android:visibility="gone" />                
+                         android:src="?conversation_delivered_indicator"
+                         android:visibility="gone"
+                         android:contentDescription="Delivered Indicator"/>
                               
 		      <TextView android:id="@+id/group_message_status"
 		                android:layout_width="wrap_content"
@@ -108,7 +116,7 @@
 		                android:linksClickable="false"
 		                android:textAppearance="?android:attr/textAppearanceSmall"
 		                android:layout_gravity="left"
-		                android:textColor="#ffcccccc"
+		                android:textColor="?conversation_text_secondary_color"
 		                android:visibility="gone"
 		                android:layout_marginRight="8dip"
 		                android:paddingTop="1dip"/>                
@@ -120,7 +128,7 @@
 		                android:linksClickable="false"
 		                android:textAppearance="?android:attr/textAppearanceSmall"
 		                android:layout_gravity="left"
-		                android:textColor="#ffcccccc"
+		                android:textColor="?conversation_text_secondary_color"
 		                android:paddingTop="1dip"/>
 		      </LinearLayout>             
              
@@ -128,34 +136,35 @@
 
        <LinearLayout android:id="@+id/indicators_parent"
                       android:layout_width="wrap_content"
-                      android:layout_height="wrap_content"
-                      android:layout_centerVertical="true"
+                      android:layout_height="fill_parent"
                       android:orientation="vertical"
-                      android:layout_alignParentRight="true">
+                      android:layout_alignParentRight="true"
+                      android:gravity="center_vertical"
+                      android:background="?conversation_background">
 
             <ImageView
                 android:id="@+id/key_exchange_indicator"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_gravity="center_vertical"
                 android:src="@drawable/ic_menu_login"
-                android:visibility="gone" />
+                android:visibility="gone"
+                android:contentDescription="Key Exchange Indicator"/>
 
             <ImageView
                 android:id="@+id/sms_secure_indicator"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_gravity="center_vertical"
                 android:src="@drawable/ic_menu_lock_holo_light"
-                android:visibility="gone" />
+                android:visibility="gone"
+                android:contentDescription="Secure Message Indicator"/>
 
             <ImageView
                 android:id="@+id/sms_failed_indicator"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_gravity="center_vertical"
                 android:src="@drawable/ic_list_alert_sms_failed"
-                android:visibility="gone" />
+                android:visibility="gone"
+                android:contentDescription="Send Failed Indicator"/>
         </LinearLayout>
 
     </RelativeLayout>

res/layout/conversation_item_sent.xml

@@ -7,48 +7,51 @@
     android:paddingLeft="10dip"
     android:orientation="horizontal">
 
-    <RelativeLayout
-                  android:layout_width="fill_parent"
-                  android:layout_height="wrap_content"
-                  android:orientation="horizontal">
+    <RelativeLayout android:layout_width="fill_parent"
+                    android:layout_height="fill_parent"
+                    android:orientation="horizontal"
+                    android:background="?conversation_card_background">
 
         <LinearLayout android:id="@+id/indicators_parent"
                       android:layout_width="wrap_content"
-                      android:layout_height="wrap_content"
+                      android:layout_height="match_parent"
                       android:orientation="vertical"
-                      android:layout_centerVertical="true"
-                      android:layout_alignParentLeft="true">
+                      android:layout_alignParentLeft="true"
+                      android:gravity="center_vertical"
+                      android:background="?conversation_background">
 
             <ImageView
                 android:id="@+id/key_exchange_indicator"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_gravity="center_vertical"
                 android:src="@drawable/ic_menu_login"
-                android:visibility="gone" />
+                android:visibility="gone"
+                android:contentDescription="Key Exchange Indicator"/>
 
             <ImageView
                 android:id="@+id/sms_secure_indicator"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_gravity="center_vertical"
                 android:src="@drawable/ic_menu_lock_holo_light"
-                android:visibility="gone" />
+                android:visibility="gone"
+                android:contentDescription="Secure Message Indicator"/>
 
             <ImageView
                 android:id="@+id/sms_failed_indicator"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_gravity="center_vertical"
                 android:src="@drawable/ic_list_alert_sms_failed"
-                android:visibility="gone" />
+                android:visibility="gone"
+                android:contentDescription="Send Failed Indicator"/>
         </LinearLayout>
 
         <LinearLayout android:id="@+id/conversation_item_parent"
                       android:layout_width="fill_parent"
-                      android:layout_height="wrap_content"
+                      android:layout_height="match_parent"
                       android:layout_toRightOf="@id/indicators_parent"
                       android:layout_toLeftOf="@+id/contact_photo"
+                      android:background="?conversation_background"
+                      android:paddingRight="10dip"
                       android:orientation="vertical" >
 
             <TextView android:id="@+id/conversation_item_body"
@@ -58,13 +61,14 @@
                 android:linksClickable="true"
                 android:textAppearance="?android:attr/textAppearanceSmall"
                 android:gravity="right"
-                android:textColor="#ff000000"
+                android:textColor="?conversation_text_primary_color"
                 android:textSize="16sp" />
 
             <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
                 android:id="@+id/mms_view"
                 android:layout_width="fill_parent"
                 android:layout_height="fill_parent"
+                android:visibility="gone"
                 android:paddingTop="7dip"
                 android:paddingBottom="7dip">
 
@@ -76,7 +80,8 @@
                         android:scaleType="centerInside"
                         android:adjustViewBounds="true"
                         android:background="@android:drawable/picture_frame"
-                        android:visibility="gone" />
+                        android:visibility="gone"
+                        android:contentDescription="Media Message"/>
 
                 <ImageButton
                     android:id="@+id/play_slideshow_button"
@@ -84,7 +89,8 @@
                     android:layout_height="wrap_content"
                     android:src="@drawable/mms_play_btn"
                     android:layout_gravity="center"
-                    android:visibility="gone" />
+                    android:visibility="gone"
+                    android:contentDescription="Play Button"/>
 
             </FrameLayout>
 
@@ -113,16 +119,18 @@
             </LinearLayout>
 
             <LinearLayout android:layout_width="fill_parent"
-                          android:layout_height="wrap_content"
+                          android:layout_height="match_parent"
                           android:orientation="horizontal"
+                          android:paddingTop="5dip"
                           android:gravity="right">
 
               <ImageView android:id="@+id/delivered_indicator"
                          android:layout_width="wrap_content"
                          android:layout_height="wrap_content"
                          android:paddingRight="3dip"
-                         android:src="@drawable/ic_sms_mms_delivered"
-                         android:visibility="gone" />                
+                         android:src="?conversation_delivered_indicator"
+                         android:visibility="gone"
+                         android:contentDescription="Delivered Indicator"/>
                 
 		      <TextView android:id="@+id/group_message_status"
 		                android:layout_width="wrap_content"
@@ -130,7 +138,7 @@
 		                android:linksClickable="false"
 		                android:textAppearance="?android:attr/textAppearanceSmall"
 		                android:layout_gravity="right"
-		                android:textColor="#ffcccccc"
+		                android:textColor="?conversation_text_secondary_color"
 		                android:visibility="gone"
 		                android:layout_marginRight="8dip"
 		                android:paddingTop="1dip"/>
@@ -142,7 +150,7 @@
 		                android:linksClickable="false"
 		                android:textAppearance="?android:attr/textAppearanceSmall"
 		                android:layout_gravity="right"
-		                android:textColor="#ffcccccc"
+		                android:textColor="?conversation_text_secondary_color"
 		                android:paddingTop="1dip"/>                
                 
             </LinearLayout>
@@ -158,7 +166,6 @@
                android:layout_width="60dp"
                android:layout_height="60dp"
                android:cropToPadding="true"
-               android:layout_marginLeft="10dip"
                android:layout_marginRight="0dip"
                android:padding="0dip"
                android:scaleType="centerCrop" />

res/layout/conversation_list_item_view.xml

@@ -1,9 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<org.thoughtcrime.securesms.ConversationListItem xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="fill_parent"
-    android:layout_height="wrap_content"
-    android:paddingRight="10dip"
-    >
+<org.thoughtcrime.securesms.ConversationListItem
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content">
 
     <FrameLayout android:id="@+id/contact_photo_frame"
                  android:layout_width="wrap_content"
@@ -11,6 +10,7 @@
                  android:layout_centerVertical="true"
                  android:layout_alignParentLeft="true"
                  android:visibility="visible">
+
 	    <QuickContactBadge android:id="@+id/contact_photo_badge"
 	                       style="?android:attr/quickContactBadgeStyleWindowLarge"
 	                       android:visibility="gone" />
@@ -20,7 +20,8 @@
 	               android:layout_height="60dp"
 	               android:cropToPadding="true"
 	               android:scaleType="centerCrop"
-	               android:visibility="gone" />
+	               android:visibility="gone"
+                   android:contentDescription="Contact Photo Image"/>
     </FrameLayout>
 
     <!--<CheckBox android:id="@+id/checkbox"-->
@@ -37,18 +38,19 @@
         android:singleLine="true"
         android:layout_marginTop="6dip"
         android:layout_marginRight="5dip"
-        android:layout_marginLeft="5dip"
+        android:layout_marginLeft="10dip"
+        android:layout_marginBottom="10dip"
         android:layout_alignTop="@id/contact_photo_frame"
         android:layout_toRightOf="@id/contact_photo_frame"
         android:layout_alignWithParentIfMissing="true"
-        android:ellipsize="marquee"
-        android:textColor="#000000"/>
+        android:ellipsize="marquee"/>
     <!--android:layout_toLeftOf="@id/checkbox"-->
 
 
     <TextView android:id="@+id/date"
         android:layout_marginBottom="10dip"
         android:layout_marginLeft="5dip"
+        android:paddingRight="10dip"
         android:layout_height="wrap_content"
         android:layout_width="wrap_content"
         android:textAppearance="?android:attr/textAppearanceSmall"
@@ -64,7 +66,8 @@
         android:layout_alignBottom="@id/date"
         android:layout_height="wrap_content"
         android:layout_width="wrap_content"
-        android:src="@drawable/ic_list_alert_sms_failed" />
+        android:src="@drawable/ic_list_alert_sms_failed"
+        android:contentDescription="Error Alert"/>
 
      <ImageView android:id="@+id/attachment"
         android:layout_marginLeft="3dip"
@@ -73,7 +76,8 @@
         android:visibility="gone"
         android:layout_toLeftOf="@id/error"
         android:layout_alignBottom="@id/date"
-        android:src="@drawable/ic_attachment_universal_small" />
+        android:src="@drawable/ic_attachment_universal_small"
+        android:contentDescription="Attachment Indicator"/>
 
     <TextView android:id="@+id/subject"
         android:layout_width="wrap_content"
@@ -81,7 +85,7 @@
         android:textAppearance="?android:attr/textAppearanceSmall"
         android:singleLine="true"
         android:layout_marginBottom="10dip"
-        android:layout_marginLeft="5dip"
+        android:layout_marginLeft="10dip"
         android:layout_alignBottom="@id/contact_photo_frame"
         android:layout_toRightOf="@id/contact_photo_frame"
         android:layout_toLeftOf="@id/date"

res/layout/icon_list_item.xml

@@ -18,7 +18,7 @@
     <TextView android:id="@+id/text1"
         android:layout_width="wrap_content"
         android:layout_height="fill_parent"
-        android:textColor="@drawable/text_color_black"
+        android:textColor="@color/black"
         android:gravity="center_vertical"
         android:textAppearance="?android:attr/textAppearanceLarge"
         android:layout_gravity="center_horizontal|center_vertical" />

res/layout/recipients_panel.xml

@@ -8,7 +8,7 @@
         android:paddingBottom="5dip"
         android:paddingLeft="5dip"
         android:paddingRight="5dip"
-        android:background="@drawable/white_background"
+        android:background="?conversation_background"
         android:orientation="vertical" >
 
         <org.thoughtcrime.securesms.contacts.RecipientsEditor android:id="@+id/recipients_text"

res/values-v11/colors.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="edit_text_light_theme">#ff000000</color>
+    <color name="edit_text_dark_theme">#ffeeeeee</color>
+</resources>

res/values-v8/colors.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="edit_text_light_theme">#ff000000</color>
+    <color name="edit_text_dark_theme">#ff000000</color>
+</resources>

res/values/arrays.xml

@@ -6,6 +6,16 @@
   	<item>@string/preferences__hours</item>
   </string-array>
 
+  <string-array name="pref_theme_entries">
+      <item>@string/preferences__light_theme</item>
+      <item>@string/preferences__dark_theme</item>
+  </string-array>
+
+  <string-array name="pref_theme_values" translatable="false">
+      <item>light</item>
+      <item>dark</item>
+  </string-array>
+
   <string-array name="pref_led_color_entries">
     <item>@string/preferences__green</item>
     <item>@string/preferences__red</item>

res/values/attrs.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <attr name="conversation_list_item_background_selected" format="reference"/>
+    <attr name="conversation_list_item_background_read" format="reference"/>
+    <attr name="conversation_list_item_background_unread" format="reference"/>
+    <attr name="conversation_list_item_count_color" format="reference|color"/>
+
+    <attr name="conversation_background" format="reference|color"/>
+    <attr name="conversation_card_background" format="reference|color"/>
+    <attr name="conversation_text_primary_color" format="reference|color"/>
+    <attr name="conversation_text_secondary_color" format="reference|color"/>
+    <attr name="conversation_avatar_divet_right" format="reference"/>
+    <attr name="conversation_avatar_divet_left" format="reference"/>
+    <attr name="conversation_editor_background" format="reference|color"/>
+    <attr name="conversation_editor_text_color" format="reference|color"/>
+    <attr name="conversation_send_button" format="reference"/>
+    <attr name="conversation_send_secure_button" format="reference"/>
+    <attr name="conversation_delivered_indicator" format="reference"/>
+</resources>

res/values/colors.xml

@@ -1,8 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <drawable name="white_background">#ffffffff</drawable>
-    <drawable name="text_color_black">#ff000000</drawable>        
-    
-    <color name="unread_bgcolor">#ffffffff</color>
-    <color name="read_bgcolor">#ffeeeeee</color>    
+
+    <color name="white">#ffffffff</color>
+    <color name="black">#ff000000</color>
+
+    <color name="conversation_list_item_background_read_light">#ffeeeeee</color>
+    <color name="conversation_list_item_background_unread_light">#ffffffff</color>
+    <color name="conversation_list_item_background_read_dark">#ff000000</color>
+    <color name="conversation_list_item_background_unread_dark">#ff333333</color>
+
 </resources>

res/values/strings.xml

@@ -457,7 +457,8 @@
     <string name="preferences__conversation_length_limit">Conversation length limit</string>
     <string name="preferences__trim_all_threads_now">Trim all threads now</string>
     <string name="preferences__scan_through_all_conversation_threads_and_enforce_conversation_length_limits">Scan through all conversation threads and enforce conversation length limits</string>
-    
+    <string name="preferences__light_theme">Light Theme</string>
+    <string name="preferences__dark_theme">Dark Theme</string>
                                     
     <!-- **************************************** -->
     <!-- menus -->
@@ -527,6 +528,8 @@
 
     <!-- verify_keys -->
     <string name="verify_keys__menu_verified">Verified</string>
+    <string name="preferences__appearance">Appearance</string>
+    <string name="preferences__theme">Theme</string>
     <!-- EOF -->
 
 </resources>

res/values/themes.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="TextSecure.LightTheme" parent="@style/Theme.Sherlock.Light.DarkActionBar">
+        <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>
+        <item name="conversation_list_item_count_color">#66333333</item>
+
+        <item name="conversation_card_background">#ffdddddd</item>
+        <item name="conversation_background">@color/white</item>
+        <item name="conversation_text_primary_color">@color/abs__primary_text_holo_light</item>
+        <item name="conversation_text_secondary_color">#ffcccccc</item>
+        <item name="conversation_avatar_divet_right">@drawable/divet_right_light</item>
+        <item name="conversation_avatar_divet_left">@drawable/divet_left_light</item>
+        <item name="conversation_editor_background">#eeeeee</item>
+        <item name="conversation_editor_text_color">@color/edit_text_light_theme</item>
+        <item name="conversation_send_button">@drawable/ic_send_holo_light</item>
+        <item name="conversation_send_secure_button">@drawable/ic_send_encrypted_holo_light</item>
+        <item name="conversation_delivered_indicator">@drawable/ic_sms_mms_delivered_light</item>
+    </style>
+
+    <style name="TextSecure.DarkTheme" parent="@style/Theme.Sherlock">
+        <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>
+        <item name="conversation_list_item_count_color">#66dddddd</item>
+
+        <item name="conversation_card_background">#ffdddddd</item>
+        <item name="conversation_background">@color/black</item>
+        <item name="conversation_text_primary_color">@color/abs__primary_text_holo_dark</item>
+        <item name="conversation_text_secondary_color">#ffcccccc</item>
+        <item name="conversation_avatar_divet_right">@drawable/divet_right_dark</item>
+        <item name="conversation_avatar_divet_left">@drawable/divet_left_dark</item>
+        <item name="conversation_editor_background">@color/black</item>
+        <item name="conversation_editor_text_color">@color/edit_text_dark_theme</item>
+        <item name="conversation_send_button">@drawable/ic_send_holo_dark</item>
+        <item name="conversation_send_secure_button">@drawable/ic_send_holo_dark_encrypted</item>
+        <item name="conversation_delivered_indicator">@drawable/ic_sms_mms_delivered_dark</item>
+    </style>
+
+</resources>

res/xml/preferences.xml

@@ -62,6 +62,15 @@
                             android:summary="@string/preferences__also_vibrate_when_notified" />
   </PreferenceCategory>
 
+  <PreferenceCategory android:title="@string/preferences__appearance">
+      <ListPreference android:key="pref_theme"
+                      android:title="@string/preferences__theme"
+                      android:entries="@array/pref_theme_entries"
+                      android:entryValues="@array/pref_theme_values"
+                      android:defaultValue="light">
+      </ListPreference>
+  </PreferenceCategory>
+
   <PreferenceCategory android:title="@string/preferences__storage">
     <CheckBoxPreference android:defaultValue="false"
                         android:key="pref_trim_threads"