Merge "Don't clear the pattern when window focus changes."

        mLockPatternView.setOnPatternListener(null);

    }

    @Override

    public void onWindowFocusChanged(boolean hasWindowFocus) {

        super.onWindowFocusChanged(hasWindowFocus);

        if (hasWindowFocus) {

            // when timeout dialog closes we want to update our state

            reset();

        }

    }

    private class UnlockPatternListener implements LockPatternView.OnPatternListener {

        public void onPatternStart() {