add and use fragment for dicts list view

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

@@ -44,11 +44,4 @@ public class DictsActivity extends XWActivity {
         m_dlgt = new DictsDelegate( this, savedInstanceState );
         super.onCreate( savedInstanceState, m_dlgt );
     } // onCreate
-
-    public static void start( Context context )
-    {
-        Intent intent = new Intent( context, DictsActivity.class );
-        context.startActivity( intent );
-    }
-
 }

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

@@ -1446,4 +1446,15 @@ public class DictsDelegate extends ListDelegateBase
             cancel( true );
         }
     } // class FetchListTask
+
+    public static void start( Delegator delegator )
+    {
+        if ( delegator.inDPMode() ) {
+            delegator.addFragment( new DictsFrag(), null );
+        } else {
+            Activity activity = delegator.getActivity();
+            Intent intent = new Intent( activity, DictsActivity.class );
+            activity.startActivity( intent );
+        }
+    }
 }

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

@@ -0,0 +1,31 @@
+/* -*- compile-command: "find-and-ant.sh debug install"; -*- */
+/*
+ * Copyright 2016 by Eric House (xwords@eehouse.org).  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+package org.eehouse.android.xw4;
+
+import android.os.Bundle;
+
+public class DictsFrag extends XWFragment {
+
+    @Override
+    public void onCreate( Bundle sis )
+    {
+        super.onCreate( new DictsDelegate( this, sis ), sis, true );
+    }
+}

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

@@ -1455,7 +1455,7 @@ public class GamesListDelegate extends ListDelegateBase
             break;
 
         case R.id.games_menu_dicts:
-            DictsActivity.start( m_activity );
+            DictsDelegate.start( getDelegator() );
             break;
 
         case R.id.games_menu_checkmoves: