diff --git a/src/com/android/settings/ChooseLockPattern.java b/src/com/android/settings/ChooseLockPattern.java
index d0c375844ae..f103c6b5927 100644
--- a/src/com/android/settings/ChooseLockPattern.java
+++ b/src/com/android/settings/ChooseLockPattern.java
@@ -21,6 +21,7 @@ import com.google.android.collect.Lists;
 import com.android.internal.widget.LinearLayoutWithDefaultTouchRecepient;
 import com.android.internal.widget.LockPatternUtils;
 import com.android.internal.widget.LockPatternView;
+import com.android.internal.widget.LockPatternView.Cell;
 import static com.android.internal.widget.LockPatternView.DisplayMode;
 
 import android.app.Activity;
@@ -124,6 +125,10 @@ public class ChooseLockPattern extends Activity implements View.OnClickListener{
                 }
             }
 
+            public void onPatternCellAdded(List<Cell> pattern) { 
+
+            }
+
             private void patternInProgress() {
                 mHeaderText.setText(R.string.lockpattern_recording_inprogress);
                 mFooterText.setText("");
diff --git a/src/com/android/settings/ConfirmLockPattern.java b/src/com/android/settings/ConfirmLockPattern.java
index 44baccc6504..a91b45fd56d 100644
--- a/src/com/android/settings/ConfirmLockPattern.java
+++ b/src/com/android/settings/ConfirmLockPattern.java
@@ -19,6 +19,7 @@ package com.android.settings;
 import com.android.internal.widget.LockPatternUtils;
 import com.android.internal.widget.LockPatternView;
 import com.android.internal.widget.LinearLayoutWithDefaultTouchRecepient;
+import com.android.internal.widget.LockPatternView.Cell;
 
 import android.app.Activity;
 import android.content.Intent;
@@ -216,6 +217,10 @@ public class ConfirmLockPattern extends Activity {
             mLockPatternView.removeCallbacks(mClearPatternRunnable);
         }
 
+        public void onPatternCellAdded(List<Cell> pattern) {
+
+        }
+
         public void onPatternDetected(List<LockPatternView.Cell> pattern) {
             if (mLockPatternUtils.checkPattern(pattern)) {
                 setResult(RESULT_OK);