Show dialog to guide the user to input subtype enabler

Bug: 6370433
Change-Id: Ic5777c1d95fe2ce9f48c72b8cc05c7ac250f4cdf
diff --git a/java/res/values/strings.xml b/java/res/values/strings.xml
index cb458a4..8b03379 100644
--- a/java/res/values/strings.xml
+++ b/java/res/values/strings.xml
@@ -275,18 +275,24 @@
 
     <!-- Title of the preference settings for custom input styles (language and keyboard layout pairs) [CHAR LIMIT=35]-->
     <string name="custom_input_styles_title">Custom input styles</string>
-    <!-- Title of the option menu to add a new style entry in the preference settings [CHAR_LIMIT=16] -->
+    <!-- Title of the option menu to add a new style entry in the preference settings [CHAR LIMIT=16] -->
     <string name="add_style">Add style</string>
-    <!-- Title of the button to add custom style entry in the settings dialog [CHAR_LIMIT=12]  -->
+    <!-- Title of the button to add custom style entry in the settings dialog [CHAR LIMIT=12] -->
     <string name="add">Add</string>
-    <!-- Title of the button to remove a custom style entry in the settings dialog [CHAR_LIMIT=12]  -->
+    <!-- Title of the button to remove a custom style entry in the settings dialog [CHAR LIMIT=12] -->
     <string name="remove">Remove</string>
-    <!-- Title of the button to save a custom style entry in the settings dialog [CHAR_LIMIT=12]  -->
+    <!-- Title of the button to save a custom style entry in the settings dialog [CHAR LIMIT=12] -->
     <string name="save">Save</string>
-    <!-- Title of the spinner for choosing a language of custom style in the settings dialog [CHAR_LIMIT=12]  -->
+    <!-- Title of the spinner for choosing a language of custom style in the settings dialog [CHAR LIMIT=12] -->
     <string name="subtype_locale">Language</string>
-    <!-- Title of the spinner for choosing a keyboard layout of custom style in the settings dialog [CHAR_LIMIT=12]  -->
+    <!-- Title of the spinner for choosing a keyboard layout of custom style in the settings dialog [CHAR LIMIT=12] -->
     <string name="keyboard_layout_set">Layout</string>
+    <!-- The message of the dialog to note that a custom input style needs to be enabled. [CHAR LIMIT=64] -->
+    <string name="custom_input_style_note_message">"Your custom input style needs to be enabled before you start using it. Do you want to enable it now?"</string>
+    <!-- Title of the button to enable a custom input style entry in the settings dialog [CHAR LIMIT=12] -->
+    <string name="enable">Enable</string>
+    <!-- Title of the button to postpone enabling a custom input style entry in the settings dialog [CHAR LIMIT=12] -->
+    <string name="not_now">Not now</string>
 
     <!-- Title of an option for usability study mode -->
     <string name="prefs_usability_study_mode">Usability study mode</string>