Added an explanation for Android 1.6 users

astrid/AndroidManifest.xml

@@ -2,7 +2,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           package="com.timsu.astrid"
           android:versionName="3.7.3.1"
-          android:versionCode="176">
+          android:versionCode="177">
           
   <!-- widgets, alarms, and services will break if Astrid is installed on SD card -->
   <!--    android:installLocation="internalOnly"> -->

astrid/res/values/strings-core.xml

@@ -347,6 +347,8 @@
   <string name="EPr_transparent_desc_disabled">Desktop wallpaper will not be shown</string>  
   <!-- Preference: Transparent Description (enabled) -->
   <string name="EPr_transparent_desc_enabled">Desktop wallpaper will be shown</string>
+  <!-- Preference: Transparent Description (android 1.6) -->
+  <string name="EPr_transparent_desc_unsupported">Setting requires Android 2.0+</string>
   
   <!-- Preference Category: Defaults Title -->
   <string name="EPr_defaults_header">New Task Defaults</string>

astrid/src/com/todoroo/astrid/activity/EditPreferences.java

@@ -227,9 +227,10 @@ public class EditPreferences extends TodorooPreferences {
                 Flags.set(Flags.REFRESH);
             }
         } else if (r.getString(R.string.p_transparent).equals(preference.getKey())) {
-            if(AndroidUtilities.getSdkVersion() < 5)
+            if(AndroidUtilities.getSdkVersion() < 5) {
                 preference.setEnabled(false);
-            if (value != null && !(Boolean)value)
+                preference.setSummary(R.string.EPr_transparent_desc_unsupported);
+            } else if (value != null && !(Boolean)value)
                 preference.setSummary(R.string.EPr_transparent_desc_disabled);
             else
                 preference.setSummary(R.string.EPr_transparent_desc_enabled);