am eceace47: am 81925e66: Merge "Fix FastScroller overlay position bug after setFastScrollEnabled(false)-->setFastScrollEnabled(true) the overlay shows up at the top-left instead of center"

Merge commit 'eceace47c575d15a3d4b7cd511c20f86850bf301'

* commit 'eceace47c575d15a3d4b7cd511c20f86850bf301':
  Fix FastScroller overlay position bug
diff --git a/core/java/android/widget/FastScroller.java b/core/java/android/widget/FastScroller.java
index 54c4b36..aa68a74 100644
--- a/core/java/android/widget/FastScroller.java
+++ b/core/java/android/widget/FastScroller.java
@@ -154,6 +154,11 @@
         int textColorNormal = textColor.getDefaultColor();
         mPaint.setColor(textColorNormal);
         mPaint.setStyle(Paint.Style.FILL_AND_STROKE);
+
+        // to show mOverlayDrawable properly
+        if (mList.getWidth() > 0 && mList.getHeight() > 0) {
+            onSizeChanged(mList.getWidth(), mList.getHeight(), 0, 0);
+        }
         
         mState = STATE_NONE;
     }