add debug menu option to enable debug features, and first such

feature, to copy xwdb file to /sdcard.  Option to do opposite is
stubbed out.

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

@@ -281,6 +281,23 @@
   <PreferenceScreen android:title="@string/advanced"
                     android:summary="@string/advanced_summary"
                     >
+    <EditTextPreference android:title="@string/git_rev_title"
+			            android:summary="@string/git_rev"
+			            android:enabled="false"
+			            />
+    <CheckBoxPreference android:key="@string/key_logging_on"
+			            android:title="@string/logging_on"
+			            android:defaultValue="false"
+			            />
+    <CheckBoxPreference android:key="@string/key_enable_debug"
+                        android:title="Enable debug features"
+                        android:summary="Menuitems etc."
+                        android:defaultValue="false"
+                        />
+    <CheckBoxPreference android:key="@string/key_show_sms"
+			            android:title="Show SMS sends, receives"
+			            android:defaultValue="false"
+			            />
     <org.eehouse.android.xw4sms.XWEditTextPreference 
 	   android:key="@string/key_relay_host"
 	   android:title="@string/relay_host"
@@ -310,17 +327,5 @@
 	   android:defaultValue="@string/dict_url"
 	   />
 
-    <CheckBoxPreference android:key="@string/key_logging_on"
-			            android:title="@string/logging_on"
-			            android:defaultValue="false"
-			            />
-    <CheckBoxPreference android:key="@string/key_show_sms"
-			            android:title="Show SMS sends, receives"
-			            android:defaultValue="false"
-			            />
-    <EditTextPreference android:title="@string/git_rev_title"
-			            android:summary="@string/git_rev"
-			            android:enabled="false"
-			            />
   </PreferenceScreen>
 </PreferenceScreen>

xwords4/android/XWords4/res/menu/games_list_menu.xml

@@ -32,5 +32,13 @@
           android:icon="@drawable/stat_notify_sync"
           />
 
+    <!-- Debug only menuitems -->
+    <item android:id="@+id/gamel_menu_storedb"
+          android:title="@string/gamel_menu_storedb"
+          />
+    <item android:id="@+id/gamel_menu_loaddb"
+          android:title="@string/gamel_menu_loaddb"
+          />
+
     <!-- ic_menu_archive.png -->
 </menu>

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

@@ -88,6 +88,7 @@
   <string name="key_na_lookup">key_na_lookup</string>
   <string name="key_na_browse">key_na_browse</string>
   <string name="key_na_values">key_na_values</string>
+  <string name="key_enable_debug">key_enable_debug</string>
 
   <!-- Nor is my email address -->
   <string name="email_author_email">xwords@eehouse.org</string>
@@ -110,6 +111,8 @@
   <string name="relay_port">Relay game port</string>
   <string name="proxy_port">Relay device port</string>
   <string name="name_dict_fmt">%1$s/%2$s</string>
+  <string name="gamel_menu_storedb">Write DB to SD card</string>
+  <string name="gamel_menu_loaddb">Load DB from SD card</string>
 
   <!--string name="dict_url">http://10.0.2.2/~eehouse/and_dicts</string-->
 

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

@@ -275,6 +275,19 @@
   <PreferenceScreen android:title="@string/advanced"
                     android:summary="@string/advanced_summary"
                     >
+    <EditTextPreference android:title="@string/git_rev_title"
+			            android:summary="@string/git_rev"
+			            android:enabled="false"
+			            />
+    <CheckBoxPreference android:key="@string/key_logging_on"
+			            android:title="@string/logging_on"
+			            android:defaultValue="false"
+			            />
+    <CheckBoxPreference android:key="@string/key_enable_debug"
+                        android:title="Enable debug features"
+                        android:summary="Menuitems etc."
+                        android:defaultValue="false"
+                        />
     <org.eehouse.android.xw4.XWEditTextPreference 
 	   android:key="@string/key_relay_host"
 	   android:title="@string/relay_host"
@@ -303,14 +316,5 @@
 	   android:title="@string/dict_host"
 	   android:defaultValue="@string/dict_url"
 	   />
-
-    <CheckBoxPreference android:key="@string/key_logging_on"
-			            android:title="@string/logging_on"
-			            android:defaultValue="false"
-			            />
-    <EditTextPreference android:title="@string/git_rev_title"
-			            android:summary="@string/git_rev"
-			            android:enabled="false"
-			            />
   </PreferenceScreen>
 </PreferenceScreen>

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

@@ -71,6 +71,11 @@ public class DBHelper extends SQLiteOpenHelper {
         super( context, DB_NAME, null, DB_VERSION );
     }
 
+    public static String getDBName()
+    {
+        return DB_NAME;
+    }
+
     private void onCreateSum( SQLiteDatabase db ) 
     {
         db.execSQL( "CREATE TABLE " + TABLE_NAME_SUM + " ("

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

@@ -20,20 +20,26 @@
 
 package org.eehouse.android.xw4;
 
+import android.content.ContentValues;
 import android.content.Context;
+import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
-import android.database.Cursor;
 import android.net.Uri;
-import java.util.StringTokenizer;
+import android.os.Environment;
-import android.content.ContentValues;
+import android.text.TextUtils;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.io.FileOutputStream;
+import java.io.OutputStream;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Set;
-import android.text.TextUtils;
+import java.util.StringTokenizer;
 
 import junit.framework.Assert;
 
@@ -897,6 +903,36 @@ public class DBUtils {
         }
     }
 
+    public static void saveDB( Context context )
+    {
+        String name = DBHelper.getDBName();
+        File srcDB = context.getDatabasePath( name );
+        if ( srcDB.exists() ) {
+            try {
+                File destDB = new File( Environment.getExternalStorageDirectory(),
+                                        name );
+                InputStream src = new FileInputStream(srcDB);
+                OutputStream dest = new FileOutputStream(destDB);
+                byte[] buffer = new byte[1024];
+                for ( ; ; ) {
+                    int nRead = src.read(buffer);
+                    if ( 0 > nRead ) {
+                        break;
+                    }
+                    dest.write( buffer, 0, nRead );
+                }
+
+                dest.flush();
+                dest.close();
+                src.close();
+            } catch( java.io.FileNotFoundException fnfe ) {
+                DbgUtils.logf( "in saveDB: %s", fnfe.toString() );
+            } catch( java.io.IOException ioe ) {
+                DbgUtils.logf( "in saveDB: %s", ioe.toString() );
+            }
+        }
+    }
+
     // Chat is independent of the GameLock mechanism because it's not
     // touching the SNAPSHOT column.
     private static void saveChatHistory( Context context, long rowid,

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

@@ -71,6 +71,9 @@ public class GamesList extends XWListActivity
     private static final int DELETE_ALL_ACTION = 4;
     private static final int SYNC_MENU_ACTION = 5;
     private static final int NEW_FROM_ACTION = 6;
+    private static final int[] DEBUGITEMS = { R.id.gamel_menu_loaddb
+                                               , R.id.gamel_menu_storedb
+    };
 
     private static boolean s_firstShown = false;
 
@@ -525,13 +528,26 @@ public class GamesList extends XWListActivity
         return handleMenuItem( item.getItemId(), info.position );
     } // onContextItemSelected
 
+    @Override
     public boolean onCreateOptionsMenu( Menu menu )
     {
         MenuInflater inflater = getMenuInflater();
         inflater.inflate( R.menu.games_list_menu, menu );
+
         return true;
     }
 
+    @Override
+    public boolean onPrepareOptionsMenu( Menu menu ) 
+    {
+        boolean visible = XWPrefs.getDebugEnabled( this ) ;
+        for ( int id : DEBUGITEMS ) {
+            MenuItem item = menu.findItem( id );
+            item.setVisible( visible );
+        }
+        return super.onPrepareOptionsMenu( menu );
+    }
+
     public boolean onOptionsItemSelected( MenuItem item )
     {
         boolean handled = true;
@@ -574,6 +590,13 @@ public class GamesList extends XWListActivity
             Utils.emailAuthor( this );
             break;
 
+        case R.id.gamel_menu_loaddb:
+            Utils.notImpl(this);
+            break;
+        case R.id.gamel_menu_storedb:
+            DBUtils.saveDB( this );
+            break;
+
         // case R.id.gamel_menu_view_hidden:
         //     Utils.notImpl( this );
         //     break;

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

@@ -1,4 +1,4 @@
-/* -*- compile-command: "cd ../../../../../../; ant debug install"; -*- */
+/* -*- compile-command: "cd ../../../../../; ant debug install"; -*- */
 /*
  * Copyright 2009 - 2012 by Eric House (xwords@eehouse.org).  All
  * rights reserved.
@@ -31,6 +31,11 @@ public class XWPrefs {
         return getPrefsBoolean( context, R.string.key_enable_sms, false );
     }
 
+    public static boolean getDebugEnabled( Context context )
+    {
+        return getPrefsBoolean( context, R.string.key_enable_debug, false );
+    }
+
     public static boolean getPrefsBoolean( Context context, int keyID,
                                            boolean defaultValue )
     {