diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DBUtils.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DBUtils.java
index 4212ff183..470fe9d7e 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DBUtils.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DBUtils.java
@@ -797,7 +797,7 @@ public class DBUtils {
 
     public static long[] getRowIDsFor( Context context, String relayID )
     {
-        long[] result = null;
+        long[] result = {};
         String[] columns = { ROW_ID };
         String selection = DBHelper.RELAYID + "='" + relayID + "'";
         initDB( context );
@@ -814,7 +814,7 @@ public class DBUtils {
 
     public static long[] getRowIDsFor( Context context, int gameID )
     {
-        long[] result = null;
+        long[] result = {};
         String[] columns = { ROW_ID };
         String selection = String.format( DBHelper.GAMEID + "=%d", gameID );
         initDB( context );
@@ -836,7 +836,7 @@ public class DBUtils {
     public static boolean haveGame( Context context, int gameID )
     {
         long[] rows = getRowIDsFor( context, gameID );
-        return rows != null && 0 < rows.length;
+        return 0 < rows.length;
     }
 
     public static boolean haveGame( Context context, long rowid )
@@ -1607,7 +1607,7 @@ public class DBUtils {
 
     public static long[] getGroupGames( Context context, long groupID )
     {
-        long[] result = null;
+        long[] result = {};
         initDB( context );
         String[] columns = { ROW_ID, DBHelper.HASMSGS };
         String selection = String.format( "%s=%d", DBHelper.GROUPID, groupID );
diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/GamesListDelegate.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/GamesListDelegate.java
index 0a83a0517..bb372fa18 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/GamesListDelegate.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/GamesListDelegate.java
@@ -2271,10 +2271,8 @@ public class GamesListDelegate extends ListDelegateBase
         if ( null != relayIDs ) {
             for ( String relayID : relayIDs ) {
                 long[] rowids = DBUtils.getRowIDsFor( m_activity, relayID );
-                if ( null != rowids ) {
-                    for ( long rowid : rowids ) {
-                        reloadGame( rowid );
-                    }
+                for ( long rowid : rowids ) {
+                    reloadGame( rowid );
                 }
             }
         }
@@ -2289,13 +2287,11 @@ public class GamesListDelegate extends ListDelegateBase
             outer:
             for ( String relayID : relayIDs ) {
                 long[] rowids = DBUtils.getRowIDsFor( m_activity, relayID );
-                if ( null != rowids ) {
-                    for ( long rowid : rowids ) {
-                        if ( GameUtils.gameDictsHere( m_activity, rowid ) ) {
-                            launchGame( rowid );
-                            launched = true;
-                            break outer;
-                        }
+                for ( long rowid : rowids ) {
+                    if ( GameUtils.gameDictsHere( m_activity, rowid ) ) {
+                        launchGame( rowid );
+                        launched = true;
+                        break outer;
                     }
                 }
             }
@@ -2390,7 +2386,7 @@ public class GamesListDelegate extends ListDelegateBase
     {
         boolean handled = false;
         long[] rowids = DBUtils.getRowIDsFor( m_activity, gameID );
-        if ( null != rowids && 0 < rowids.length ) {
+        if ( 0 < rowids.length ) {
             launchGame( rowids[0] );
             handled = true;
         }
diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/MQTTUtils.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/MQTTUtils.java
index 38fda0d17..f6fac4e66 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/MQTTUtils.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/MQTTUtils.java
@@ -550,7 +550,7 @@ public class MQTTUtils extends Thread implements IMqttActionListener, MqttCallba
         Log.d( TAG, "handleMessage(gameID=%d): got message", gameID );
         MQTTServiceHelper helper = new MQTTServiceHelper( context, from );
         long[] rowids = DBUtils.getRowIDsFor( context, gameID );
-        Log.d( TAG, "got %d rows for gameID %d", rowids == null ? 0 : rowids.length, gameID );
+        Log.d( TAG, "got %d rows for gameID %d", rowids.length, gameID );
         if ( 0 == rowids.length ) {
             notifyNotHere( context, from.mqtt_devID, gameID );
         } else {
diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/NFCUtils.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/NFCUtils.java
index 20fe2d14c..798be658a 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/NFCUtils.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/NFCUtils.java
@@ -377,7 +377,7 @@ public class NFCUtils {
                 switch ( typ[0] ) {
                 case MESSAGE:
                     long[] rowids = DBUtils.getRowIDsFor( context, gameID[0] );
-                    if ( null == rowids || 0 == rowids.length ) {
+                    if ( 0 == rowids.length ) {
                         addReplyFor( new byte[]{REPLY_NOGAME}, gameID[0] );
                     } else {
                         for ( long rowid : rowids ) {
diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/RelayService.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/RelayService.java
index 68bc0ed6a..eb6b15f49 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/RelayService.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/RelayService.java
@@ -755,11 +755,9 @@ public class RelayService extends XWJIService
             String relayID = relayIDs[ii];
             BackMoveResult bmr = bmrs[ii];
             long[] rowids = DBUtils.getRowIDsFor( this, relayID );
-            if ( null != rowids ) {
-                for ( long rowid : rowids ) {
-                    GameUtils.postMoveNotification( this, rowid, bmr,
-                                                    locals.get(ii) );
-                }
+            for ( long rowid : rowids ) {
+                GameUtils.postMoveNotification( this, rowid, bmr,
+                                                locals.get(ii) );
             }
         }
     }
diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/WiDirService.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/WiDirService.java
index b5671be2f..53eda8cbd 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/WiDirService.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/WiDirService.java
@@ -779,7 +779,7 @@ public class WiDirService extends XWService {
     private void makeGame( NetLaunchInfo nli, String senderMac )
     {
         long[] rowids = DBUtils.getRowIDsFor( this, nli.gameID() );
-        if ( null == rowids || 0 == rowids.length ) {
+        if ( 0 == rowids.length ) {
             CommsAddrRec addr = nli.makeAddrRec( this );
             long rowid = GameUtils.makeNewMultiGame( this, nli,
                                                      m_sink,
diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/XWServiceHelper.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/XWServiceHelper.java
index 2fd47463f..18e7c6c1a 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/XWServiceHelper.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/XWServiceHelper.java
@@ -63,7 +63,7 @@ abstract class XWServiceHelper {
     {
         ReceiveResult result;
         long[] rowids = DBUtils.getRowIDsFor( mContext, gameID );
-        if ( null == rowids || 0 == rowids.length ) {
+        if ( 0 == rowids.length ) {
             result = ReceiveResult.GAME_GONE;
         } else {
             result = ReceiveResult.UNCONSUMED;
diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/jni/DUtilCtxt.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/jni/DUtilCtxt.java
index 5a476c2d6..ada9a0c88 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/jni/DUtilCtxt.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/jni/DUtilCtxt.java
@@ -288,7 +288,7 @@ public class DUtilCtxt {
                              String pauserName, String expl )
     {
         long[] rowids = DBUtils.getRowIDsFor( m_context, gameID );
-        Log.d( TAG, "got %d games with gameid", null == rowids ? 0 : rowids.length );
+        Log.d( TAG, "got %d games with gameid", rowids.length );
 
         final boolean isPause = UNPAUSED != pauseType;