Use KeyboardTheme id insteand of index

This CL must be checked in together with I771216f8bd.

Bug: 14042743
Change-Id: I45c3acf9242985fb03721a9a6d377fbccc8e2019
diff --git a/java/res/values/config-common.xml b/java/res/values/config-common.xml
index 20d5860..3fe4b94 100644
--- a/java/res/values/config-common.xml
+++ b/java/res/values/config-common.xml
@@ -24,8 +24,8 @@
          at input history to suggest a hopefully helpful suggestions for the next word? -->
     <bool name="config_default_next_word_prediction">true</bool>
 
-    <!-- This configuration is an index of  {@link KeyboardSwitcher#KEYBOARD_THEMES[]}. -->
-    <string name="config_default_keyboard_theme_index" translatable="false">2</string>
+    <!-- This configuration must be aligned with {@link KeyboardTheme#DEFAULT_THEME_ID}. -->
+    <string name="config_default_keyboard_theme_id" translatable="false">2</string>
 
     <integer name="config_delay_update_shift_state">100</integer>
     <integer name="config_double_space_period_timeout">1100</integer>
diff --git a/java/res/values/donottranslate.xml b/java/res/values/donottranslate.xml
index 4be5863..9977510 100644
--- a/java/res/values/donottranslate.xml
+++ b/java/res/values/donottranslate.xml
@@ -58,7 +58,7 @@
         <item>@string/layout_gingerbread</item>
         <item>@string/layout_klp</item>
     </string-array>
-    <!-- An element must be an index of {@link KeyboardSwitcher#KEYBOARD_THEMES[]}. -->
+    <!-- An element must be a keyboard theme id of {@link KeyboardTheme#THEME_ID_*}. -->
     <string-array name="keyboard_layout_modes_values">
         <item>0</item>
         <item>1</item>
@@ -66,12 +66,12 @@
     </string-array>
 
     <!-- For keyboard color scheme option dialog. -->
-    <string-array name="keyboard_color_schemes">
+    <string-array name="keyboard_theme_names">
         <item>@string/keyboard_color_scheme_white</item>
         <item>@string/keyboard_color_scheme_blue</item>
     </string-array>
-    <!-- An element must be an index of {@link KeyboardSwitcher#KEYBOARD_THEMES[]}. -->
-    <string-array name="keyboard_color_schemes_values">
+    <!-- An element must be a keyboard theme id of {@link KeyboardTheme#THEME_ID_*}. -->
+    <string-array name="keyboard_theme_ids">
         <item>2</item>
         <item>0</item>
     </string-array>
diff --git a/java/res/xml/prefs.xml b/java/res/xml/prefs.xml
index a39ce4a..3e3bedf 100644
--- a/java/res/xml/prefs.xml
+++ b/java/res/xml/prefs.xml
@@ -168,9 +168,9 @@
                 android:key="pref_keyboard_layout_20110916"
                 android:title="@string/keyboard_color_scheme"
                 android:persistent="true"
-                android:entryValues="@array/keyboard_color_schemes_values"
-                android:entries="@array/keyboard_color_schemes"
-                android:defaultValue="@string/config_default_keyboard_theme_index" />
+                android:entryValues="@array/keyboard_theme_ids"
+                android:entries="@array/keyboard_theme_names"
+                android:defaultValue="@string/config_default_keyboard_theme_id" />
             <PreferenceScreen
                 android:fragment="com.android.inputmethod.latin.settings.AdditionalSubtypeSettings"
                 android:key="custom_input_styles"
diff --git a/java/res/xml/prefs_for_debug.xml b/java/res/xml/prefs_for_debug.xml
index 7b2b8ea..7fab15b 100644
--- a/java/res/xml/prefs_for_debug.xml
+++ b/java/res/xml/prefs_for_debug.xml
@@ -33,7 +33,7 @@
         android:persistent="true"
         android:entryValues="@array/keyboard_layout_modes_values"
         android:entries="@array/keyboard_layout_modes"
-        android:defaultValue="@string/config_default_keyboard_theme_index" />
+        android:defaultValue="@string/config_default_keyboard_theme_id" />
     <CheckBoxPreference
         android:key="debug_mode"
         android:title="@string/prefs_debug_mode"