add interface with method that's called whenever a DB record is saved.

GamesList implements that interface and invalidates the list item
corresponding so it'll get redrawn with updated info.  Should allow to
replace m_invalPath but doesn't...

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

@@ -35,6 +35,12 @@ import org.eehouse.android.xw4.jni.*;
 
 public class DBUtils {
 
+    public static interface DBChangeListener {
+        public void pathSaved( String path );
+    }
+    private static DBChangeListener[] s_listeners = 
+        new DBChangeListener[]{ null };
+
     private static SQLiteOpenHelper s_dbHelper = null;
 
     public static class Obit {
@@ -213,6 +219,7 @@ public class DBUtils {
                                          values, selection, null );
                 Assert.assertTrue( result >= 0 );
             }
+            notifyListeners( path );
             db.close();
         }
     } // saveSummary
@@ -250,6 +257,7 @@ public class DBUtils {
                                     values, selection, null );
             Assert.assertTrue( result == 1 );
             db.close();
+            notifyListeners( path );
         }
     }
 
@@ -433,6 +441,7 @@ public class DBUtils {
                 Assert.assertTrue( row >= 0 );
             }
             db.close();
+            notifyListeners( path );
         }
     }
 
@@ -559,6 +568,14 @@ public class DBUtils {
         saveChatHistory( context, path, null );
     }
 
+    public static void setDBChangeListener( DBChangeListener listener )
+    {
+        synchronized( s_listeners ) {
+            Assert.assertTrue( listener != s_listeners[0] );
+            s_listeners[0] = listener;
+        }
+    }
+
     private static void saveChatHistory( Context context, String path,
                                          String history )
     {
@@ -615,4 +632,13 @@ public class DBUtils {
         }
     }
 
+    private static void notifyListeners( String path )
+    {
+        synchronized( s_listeners ) {
+            if ( null != s_listeners[0] ) {
+                s_listeners[0].pathSaved( path );
+            }
+        }
+    }
+
 }

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

@@ -50,7 +50,8 @@ import org.eehouse.android.xw4.jni.*;
 
 public class GamesList extends XWListActivity 
     implements DispatchNotify.HandleRelaysIface,
-               RefreshMsgsTask.RefreshMsgsIface {
+               RefreshMsgsTask.RefreshMsgsIface,
+               DBUtils.DBChangeListener {
 
     private static final int WARN_NODICT       = DlgDelegate.DIALOG_LAST + 1;
     private static final int WARN_NODICT_SUBST = WARN_NODICT + 1;
@@ -236,6 +237,7 @@ public class GamesList extends XWListActivity
     {
         super.onStart();
         DispatchNotify.SetRelayIDsHandler( this );
+        DBUtils.setDBChangeListener( this );
 
         // TelephonyManager mgr = 
         //     (TelephonyManager)getSystemService( Context.TELEPHONY_SERVICE );
@@ -251,7 +253,7 @@ public class GamesList extends XWListActivity
         //     (TelephonyManager)getSystemService( Context.TELEPHONY_SERVICE );
         // mgr.listen( m_phoneStateListener, PhoneStateListener.LISTEN_NONE );
         // m_phoneStateListener = null;
-
+        DBUtils.setDBChangeListener( null );
         DispatchNotify.SetRelayIDsHandler( null );
 
         super.onStop();
@@ -273,6 +275,17 @@ public class GamesList extends XWListActivity
         HandleRelaysIDs( relayIDs );
     }
 
+    // DBUtils.DBChangeListener interface
+    public void pathSaved( final String path )
+    {
+        m_handler.post( new Runnable() {
+                public void run() {
+                    m_adapter.inval( path );
+                    onContentChanged();
+                }
+            } );
+    }
+
     @Override
     public void onWindowFocusChanged( boolean hasFocus )
     {