1 files changed, 6 insertions, 1 deletions
diff --git a/java/src/com/android/inputmethod/latin/RichInputConnection.java b/java/src/com/android/inputmethod/latin/RichInputConnection.java
index 2c17660d8..69f0b3eb3 100644
--- a/java/src/com/android/inputmethod/latin/RichInputConnection.java
+++ b/java/src/com/android/inputmethod/latin/RichInputConnection.java
@@ -44,6 +44,8 @@ import com.android.inputmethod.latin.utils.SpannableStringUtils;
 import com.android.inputmethod.latin.utils.StringUtils;
 import com.android.inputmethod.latin.utils.TextRange;
 
+import javax.annotation.Nonnull;
+
 /**
  * Enrichment class for InputConnection to simplify interaction and add functionality.
  *
@@ -365,7 +367,9 @@ public final class RichInputConnection implements PrivateCommandPerformer {
         }
         // This never calls InputConnection#getCapsMode - in fact, it's a static method that
         // never blocks or initiates IPC.
-        return CapsModeUtils.getCapsMode(mCommittedTextBeforeComposingText, inputType,
+        // TODO: don't call #toString() here. Instead, all accesses to
+        // mCommittedTextBeforeComposingText should be done on the main thread.
+        return CapsModeUtils.getCapsMode(mCommittedTextBeforeComposingText.toString(), inputType,
                 spacingAndPunctuations, hasSpaceBefore);
     }
 
@@ -591,6 +595,7 @@ public final class RichInputConnection implements PrivateCommandPerformer {
     }
 
     @SuppressWarnings("unused")
+    @Nonnull
     public NgramContext getNgramContextFromNthPreviousWord(
             final SpacingAndPunctuations spacingAndPunctuations, final int n) {
         mIC = mParent.getCurrentInputConnection();