Adding holo dark text color and removing unused colors

Author: Peter Elliott

library/res/color/primary_text_holo_dark.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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_enabled="false" android:color="@color/bright_foreground_disabled_holo_dark"/>
+    <item android:state_window_focused="false" android:color="@color/bright_foreground_holo_dark"/>
+    <item android:state_pressed="true" android:color="@color/bright_foreground_holo_dark"/>
+    <item android:state_selected="true" android:color="@color/bright_foreground_holo_dark"/>
+    <item android:state_activated="true" android:color="@color/bright_foreground_holo_dark"/>
+    <item android:color="@color/bright_foreground_holo_dark"/> <!-- not selected -->
+</selector>

library/res/values/sdl__colors.xml

@@ -4,7 +4,7 @@
 	<color name="sdl_message_text_dark">#FFFFFF</color>
 	<color name="sdl_title_text_dark">#ff0099cc</color>
 	<color name="sdl_title_separator_dark">#ff0099cc</color>
-	<color name="sdl_button_text_dark">#FFFFFF</color>
+	<color name="sdl_button_text_dark">@color/primary_text_holo_dark</color>
 	<color name="sdl_button_normal_dark">@android:color/transparent</color>
 	<color name="sdl_button_pressed_dark">#990099cc</color> <!-- 60 % opacity -->
 	<color name="sdl_button_focused_dark">#4C0099cc</color> <!-- 30 % opacity -->
@@ -20,8 +20,6 @@
 	<color name="sdl_button_separator_light">#25000000</color> <!-- 7% opacity -->
 
     <!-- holo colors: -->
-    <color name="background_holo_dark">#ff000000</color>
-    <color name="background_holo_light">#fff3f3f3</color>
     <color name="bright_foreground_holo_dark">#fff3f3f3</color>
     <color name="bright_foreground_holo_light">#ff000000</color>
     <color name="bright_foreground_disabled_holo_dark">#ff4c4c4c</color>