1 files changed, 3 insertions, 1 deletions
diff --git a/java/src/com/android/inputmethod/keyboard/internal/DrawingPreviewPlacerView.java b/java/src/com/android/inputmethod/keyboard/internal/DrawingPreviewPlacerView.java
index 3b4c43418..a5d47adb3 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/DrawingPreviewPlacerView.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/DrawingPreviewPlacerView.java
@@ -46,7 +46,9 @@ public final class DrawingPreviewPlacerView extends RelativeLayout {
     }
 
     public void addPreview(final AbstractDrawingPreview preview) {
-        mPreviews.add(preview);
+        if (mPreviews.indexOf(preview) < 0) {
+            mPreviews.add(preview);
+        }
     }
 
     public void setKeyboardViewGeometry(final int[] originCoords, final int width,