1 files changed, 4 insertions, 2 deletions
diff --git a/java/src/com/android/inputmethod/event/DeadKeyCombiner.java b/java/src/com/android/inputmethod/event/DeadKeyCombiner.java
index bef4d8594..d816247d8 100644
--- a/java/src/com/android/inputmethod/event/DeadKeyCombiner.java
+++ b/java/src/com/android/inputmethod/event/DeadKeyCombiner.java
@@ -23,6 +23,8 @@ import com.android.inputmethod.latin.Constants;
 
 import java.util.ArrayList;
 
+import javax.annotation.Nonnull;
+
 /**
  * A combiner that handles dead keys.
  */
@@ -31,13 +33,13 @@ public class DeadKeyCombiner implements Combiner {
     final StringBuilder mDeadSequence = new StringBuilder();
 
     @Override
+    @Nonnull
     public Event processEvent(final ArrayList<Event> previousEvents, final Event event) {
-        if (null == event) return null; // Just in case some combiner is broken
         if (TextUtils.isEmpty(mDeadSequence)) {
             if (event.isDead()) {
                 mDeadSequence.appendCodePoint(event.mCodePoint);
             }
-            return event;
+            return Event.createConsumedEvent(event);
         } else {
             // TODO: Allow combining for several dead chars rather than only the first one.
             // The framework doesn't know how to do this now.