as a DEBUG-only feature, enable "send" of NFC to self to better

duplicate on a single device how real devices are meant to be
inviting.

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

@@ -167,6 +167,8 @@
   <string name="xlations_locale">Fake locale for translation</string>
   <string name="enable_dupes_summary">Accept invitations more than once</string>
   <string name="nag_intervals">Reminder intervals (minutes1,minutes2,...)</string>
+
+  <string name="nfc_to_self">Send via NFC to self?</string>
   <!--string name="dict_url">http://10.0.2.2/~eehouse/and_dicts</string-->
 
   <string-array name="board_sizes">

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

@@ -984,6 +984,9 @@ public class BoardDelegate extends DelegateBase
             case LOOKUP_ACTION:
                 launchLookup( m_words, m_gi.dictLang );
                 break;
+            case NFC_TO_SELF:
+                GamesListDelegate.sendNFCToSelf( m_activity, makeNFCMessage() );
+                break;
             default:
                 Assert.fail();
             }
@@ -1000,7 +1003,9 @@ public class BoardDelegate extends DelegateBase
         if ( action == Action.LAUNCH_INVITE_ACTION ) {
             switch( means ) {
             case NFC:
-                if ( ! NFCUtils.nfcAvail( m_activity )[1] ) {
+                if ( BuildConfig.DEBUG ) {
+                    showConfirmThen( R.string.nfc_to_self, Action.NFC_TO_SELF );
+                } else if ( ! NFCUtils.nfcAvail( m_activity )[1] ) {
                     showDialog( DlgID.ENABLE_NFC );
                 } else {
                     showOKOnlyDialog( R.string.nfc_just_tap );

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

@@ -77,6 +77,7 @@ public class DlgDelegate {
         VALUES_ACTION,
         SMS_CONFIG_ACTION,
         BUTTON_BROWSEALL_ACTION,
+        NFC_TO_SELF,
 
         // Dict Browser
         FINISH_ACTION,
@@ -345,7 +346,7 @@ public class DlgDelegate {
     public void showInviteChoicesThen( final Action action )
     {
         if ( (XWApp.SMS_INVITE_ENABLED && Utils.deviceSupportsSMS( m_activity ))
-             || NFCUtils.nfcAvail( m_activity )[0]
+             || (BuildConfig.DEBUG || NFCUtils.nfcAvail( m_activity )[0])
              || BTService.BTAvailable() ) {
             DlgState state = new DlgState( DlgID.INVITE_CHOICES_THEN, action );
             addState( state );
@@ -571,7 +572,7 @@ public class DlgDelegate {
             items.add( getString( R.string.invite_choice_bt ) );
             means.add( DlgClickNotify.InviteMeans.BLUETOOTH );
         }
-        if ( NFCUtils.nfcAvail( m_activity )[0] ) {
+        if ( BuildConfig.DEBUG || NFCUtils.nfcAvail( m_activity )[0] ) {
             items.add( getString( R.string.invite_choice_nfc ) );
             means.add( DlgClickNotify.InviteMeans.NFC );
         }

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

@@ -2163,6 +2163,13 @@ public class GamesListDelegate extends ListDelegateBase
         return intent;
     }
 
+    public static void sendNFCToSelf( Context context, String data )
+    {
+        Intent intent = makeSelfIntent( context );
+        NFCUtils.populateIntent( intent, data );
+        context.startActivity( intent );
+    }
+
     public static void openGame( Context context, Uri data )
     {
         Intent intent = makeSelfIntent( context );

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

@@ -40,6 +40,9 @@ import org.eehouse.android.xw4.loc.LocUtils;
 
 public class NFCUtils {
 
+    private static final String NFC_TO_SELF_ACTION = "nfc_tsa";
+    private static final String NFC_TO_SELF_DATA = "nfc_data";
+
     public interface NFCActor {
         String makeNFCMessage();
     }
@@ -105,18 +108,27 @@ public class NFCUtils {
     {
         String result = null;
 
-        if ( NfcAdapter.ACTION_NDEF_DISCOVERED.equals( intent.getAction() ) ) {
+        String action = intent.getAction();
+        if ( NfcAdapter.ACTION_NDEF_DISCOVERED.equals( action ) ) {
             Parcelable[] rawMsgs = 
                 intent.getParcelableArrayExtra( NfcAdapter.EXTRA_NDEF_MESSAGES );
             // only one message sent during the beam
             NdefMessage msg = (NdefMessage)rawMsgs[0];
             // record 0 contains the MIME type, record 1 is the AAR, if present
             result = new String( msg.getRecords()[0].getPayload() );
+        } else if ( BuildConfig.DEBUG && NFC_TO_SELF_ACTION.equals( action ) ) {
+            result = intent.getStringExtra( NFC_TO_SELF_DATA );
         }
 
         return result;
     }
 
+    public static void populateIntent( Intent intent, String data )
+    {
+        intent.setAction( NFC_TO_SELF_ACTION );
+        intent.putExtra( NFC_TO_SELF_DATA, data );
+    }
+
     public static void register( Activity activity, NFCActor actor )
     {
         if ( null != s_safeNFC ) {