diff --git a/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java b/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java
index b7aa82b..5fa9b8f 100644
--- a/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java
@@ -495,6 +495,9 @@
 
     @Override
     public boolean onTouchEvent(MotionEvent me) {
+        if (getKeyboard() == null) {
+            return false;
+        }
         return mTouchScreenRegulator.onTouchEvent(me);
     }
 
diff --git a/java/src/com/android/inputmethod/keyboard/PointerTracker.java b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
index 83bab67..b619472 100644
--- a/java/src/com/android/inputmethod/keyboard/PointerTracker.java
+++ b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
@@ -283,7 +283,7 @@
         mListener.onCancelInput();
     }
 
-    public void setKeyDetectorInner(KeyDetector keyDetector) {
+    private void setKeyDetectorInner(KeyDetector keyDetector) {
         mKeyDetector = keyDetector;
         mKeyboard = keyDetector.getKeyboard();
         mKeys = mKeyboard.mKeys;