DroidFish: Clarified that not all engine options work for all engines. Display the current engine in the program title bar.

DroidFish/res/values/strings.xml

@@ -443,10 +443,11 @@ you are not actively using the program.\
     <string name="prefs_autoSwapSides_summary">Automatically swap sides when new game started. Also overrides Flip Board setting</string>
     <string name="prefs_engine_settings">Engine Settings</string>
     <string name="prefs_strength_title">Strength</string>
+    <string name="prefs_strength_summary">Only supported by internal engines</string>
     <string name="prefs_ponderMode_title">Pondering</string>
-    <string name="prefs_ponderMode_summary">Let engine think while waiting for opponent\'s move</string>
+    <string name="prefs_ponderMode_summary">Let engine think while waiting for opponent\'s move. Supported by most engines.</string>
     <string name="prefs_threads_title">Threads</string>
-    <string name="prefs_threads_summary">Number of engine threads (CPU cores) to use</string>
+    <string name="prefs_threads_summary">Number of engine threads (CPU cores) to use. Not supported by all engines.</string>
     <string name="prefs_time_control">Time Control</string>
     <string name="prefs_movesPerSession_title">Moves</string>
     <string name="prefs_movesPerSession_summary">Number of moves between time controls</string>

DroidFish/res/xml/preferences.xml

@@ -20,8 +20,9 @@
         android:title="@string/prefs_engine_settings">
         <org.petero.droidfish.SeekBarPreference
             android:key="strength"
-            android:defaultValue="1000"
+            android:title="@string/prefs_strength_title"
-            android:title="@string/prefs_strength_title">
+            android:summary="@string/prefs_strength_summary"
+            android:defaultValue="1000">
         </org.petero.droidfish.SeekBarPreference>
         <CheckBoxPreference
             android:key="ponderMode"

DroidFish/src/org/petero/droidfish/DroidFish.java

@@ -643,10 +643,19 @@ public class DroidFish extends Activity implements GUIInterface {
 
     private final void setEngineStrength(String engine, int strength) {
         ctrl.setEngineStrength(engine, strength);
-        if (strength < 1000) {
+        if (engine.contains("/")) {
-            titleText.setText(String.format("%s: %d%%", getString(R.string.app_name), strength / 10));
+            int idx = engine.lastIndexOf('/');
+            String eName = engine.substring(idx + 1);
+            titleText.setText(eName);
         } else {
-            titleText.setText(getString(R.string.app_name));
+            String eName = getString((engine == "cuckoochess") ?
+                                     R.string.cuckoochess_engine :
+                                     R.string.stockfish_engine);
+            if (strength < 1000) {
+                titleText.setText(String.format("%s:%d%%", eName, strength / 10));
+            } else {
+                titleText.setText(eName);
+            }
         }
     }
 

DroidFish/src/org/petero/droidfish/SeekBarPreference.java

@@ -94,11 +94,28 @@ public class SeekBarPreference extends Preference
         lp.gravity = Gravity.RIGHT;
         bar.setLayoutParams(lp);
 
+        CharSequence summaryCharSeq = getSummary();
+        boolean haveSummary = (summaryCharSeq != null) && (summaryCharSeq.length() > 0);
+        TextView summary = null;
+        if (haveSummary) {
+            summary = new TextView(getContext());
+            summary.setText(getSummary());
+//            summary.setTextAppearance(getContext(), android.R.style.TextAppearance_Large);
+            summary.setGravity(Gravity.LEFT);
+            lp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,
+                                               LinearLayout.LayoutParams.WRAP_CONTENT);
+            lp.gravity = Gravity.LEFT;
+            lp.weight  = 1.0f;
+            summary.setLayoutParams(lp);
+        }
+
         LinearLayout layout = new LinearLayout(getContext());
         layout.setPadding(25, 5, 25, 5);
         layout.setOrientation(LinearLayout.VERTICAL);
         layout.addView(row1);
         layout.addView(bar);
+        if (summary != null)
+            layout.addView(summary);
         layout.setId(android.R.id.widget_frame);
 
         currValBox.setOnClickListener(new OnClickListener() {