add preference controlling whether bonus "summaries" are shown on top

of bonus squares.

xwords4/android/XWords4/res/values/common_rsrc.xml

@@ -13,6 +13,7 @@
   <string name="key_ringer_zoom">key_ringer_zoom</string>
   <string name="key_click_launches">key_click_launches</string>
   <string name="key_hide_title">key_hide_title</string>
+  <string name="key_show_bonussum">key_show_bonussum</string>
   <string name="key_player0">key_clr_player0</string>
   <string name="key_player1">key_clr_player1</string>
   <string name="key_player2">key_clr_player2</string>

xwords4/android/XWords4/res/values/strings.xml

@@ -207,6 +207,10 @@
     <string name="hide_title_summary">Hiding the game name lets the
       board be slightly larger</string>
 
+    <string name="show_bonussum">Show bonus values</string>
+    <string name="show_bonussum_summary">Include text like "2W" on
+    empty bonus squares</string>
+
     <string name="role_standalone">Standalone</string>
     <string name="role_host">Host</string>
     <string name="role_guest">Guest</string>

xwords4/android/XWords4/res/xml/xwprefs.xml

@@ -57,6 +57,11 @@
                         android:summary="@string/hide_title_summary"
                         android:defaultValue="true"
                         />
+    <CheckBoxPreference android:key="@string/key_show_bonussum"
+                        android:title="@string/show_bonussum"
+                        android:summary="@string/show_bonussum_summary"
+                        android:defaultValue="true"
+                        />
     <PreferenceScreen android:title="@string/prefs_colors"
                       android:summary="@string/prefs_colors_summary"
                       >

xwords4/android/XWords4/src/org/eehouse/android/xw4/BoardView.java

@@ -47,6 +47,7 @@ public class BoardView extends View implements DrawCtx, BoardHandler,
     private static final int k_miniPaddingV = 2;
     private static final float MIN_FONT_DIPS = 14.0f;
 
+    private Context m_context;
     private Paint m_drawPaint;
     private Paint m_fillPaint;
     private Paint m_strokePaint;
@@ -173,6 +174,7 @@ public class BoardView extends View implements DrawCtx, BoardHandler,
 
     private void init( Context context )
     {
+        m_context = context;
         final float scale = getResources().getDisplayMetrics().density;
         m_defaultFontHt = (int)(MIN_FONT_DIPS * scale + 0.5f);
         m_mediumFontHt = m_defaultFontHt * 3 / 2;
@@ -529,8 +531,10 @@ public class BoardView extends View implements DrawCtx, BoardHandler,
                 backColor = m_otherColors[CommonPrefs.COLOR_BKGND];
             } else {
                 backColor = m_bonusColors[bonus];
+                if ( CommonPrefs.getShowBonusSumms(m_context) ) {
                     bonusStr = m_bonusSummaries[bonus];
                 }
+            }
         } else if ( pending ) {
             backColor = BLACK;
             foreColor = WHITE;

xwords4/android/XWords4/src/org/eehouse/android/xw4/jni/CommonPrefs.java

@@ -222,6 +222,11 @@ public class CommonPrefs {
         return getBoolean( context, R.string.key_click_launches, false );
     }
 
+    public static boolean getShowBonusSumms( Context context )
+    {
+        return getBoolean( context, R.string.key_show_bonussum, false );
+    }
+
     private static boolean getBoolean( Context context, int keyID,
                                        boolean defaultValue )
     {