add and use fragment for dict browser. Works except for the relaunch

logic around changing the parameters (e.g. word length filters.)

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

@@ -20,13 +20,10 @@
 package org.eehouse.android.xw4;
 
 import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
 
 import org.eehouse.android.xw4.loc.LocUtils;
 
-public class BoardFrag extends XWFragment implements Delegator {
+public class BoardFrag extends XWFragment {
     private BoardDelegate m_dlgt;
 
     @Override

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

@@ -163,14 +163,15 @@ public class DictBrowseDelegate extends ListDelegateBase
 
     protected void init( Bundle savedInstanceState ) 
     {
-        Intent intent = getIntent();
-        String name = null == intent? null:intent.getStringExtra( DICT_NAME );
+        Bundle args = getArguments();
+        String name = null == args? null : args.getString( DICT_NAME );
+        Assert.assertNotNull( name );
         if ( null == name ) {
             finish();
         } else {
             m_name = name;
             m_loc = 
-                DictUtils.DictLoc.values()[intent.getIntExtra( DICT_LOC, 0 )];
+                DictUtils.DictLoc.values()[args.getInt( DICT_LOC, 0 )];
             m_lang = DictLangCache.getDictLangCode( m_activity, name );
 
             String[] names = { name };
@@ -363,9 +364,9 @@ public class DictBrowseDelegate extends ListDelegateBase
             DBUtils.dictsSetOffset( m_activity, m_name, m_loc, m_browseState );
             m_browseState = null;
 
-            startActivity( getIntent() );
+            finish(); // pop fragment stack before adding new (only it doesn't work)
 
-            finish();
+            launch( m_activity, getArguments() );
         }
     }
 
@@ -421,14 +422,24 @@ public class DictBrowseDelegate extends ListDelegateBase
         m_maxSpinner.setOnItemSelectedListener( this );
     }
 
+    private static void launch( Context context, Bundle bundle )
+    {
+        if ( context instanceof FragActivity ) {
+            FragActivity.addFragment( new DictBrowseFrag(), bundle );
+        } else {
+            Intent intent = new Intent( context, DictBrowseActivity.class );
+            intent.putExtras( bundle );
+            context.startActivity( intent );
+        }
+    }
 
     public static void launch( Context caller, String name, 
                                DictUtils.DictLoc loc )
     {
-        Intent intent = new Intent( caller, DictBrowseActivity.class );
-        intent.putExtra( DICT_NAME, name );
-        intent.putExtra( DICT_LOC, loc.ordinal() );
-        caller.startActivity( intent );
+        Bundle bundle = new Bundle();
+        bundle.putString( DICT_NAME, name );
+        bundle.putInt( DICT_LOC, loc.ordinal() );
+        launch( caller, bundle );
     }
 
     public static void launch( Context caller, String name )

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

@@ -0,0 +1,40 @@
+/* -*- 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 DictBrowseFrag extends XWFragment {
+    private DictBrowseDelegate m_dlgt;
+
+    @Override
+    public void onCreate( Bundle savedInstanceState )
+    {
+        m_dlgt = new DictBrowseDelegate( this, savedInstanceState );
+        super.onCreate( m_dlgt, savedInstanceState );
+    }
+
+    @Override
+    public void onActivityCreated( Bundle savedInstanceState )
+    {
+        super.onActivityCreated( savedInstanceState );
+        setHasOptionsMenu( true );
+    }
+}