Fix NPE from feedback (issue 12106858)
Change-Id: I63f7f73b85d4c1652d1e722f94c51b567a83cc6b
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index c216f92..1e4f4fa 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -1152,22 +1152,22 @@
@Override
protected void dispatchDraw(Canvas canvas) {
- int halfScreenSize = getViewportWidth() / 2;
- // mOverScrollX is equal to getScrollX() when we're within the normal scroll range.
- // Otherwise it is equal to the scaled overscroll position.
- int screenCenter = mOverScrollX + halfScreenSize;
-
- if (screenCenter != mLastScreenCenter || mForceScreenScrolled) {
- // set mForceScreenScrolled before calling screenScrolled so that screenScrolled can
- // set it for the next frame
- mForceScreenScrolled = false;
- screenScrolled(screenCenter);
- mLastScreenCenter = screenCenter;
- }
-
// Find out which screens are visible; as an optimization we only call draw on them
final int pageCount = getChildCount();
if (pageCount > 0) {
+ int halfScreenSize = getViewportWidth() / 2;
+ // mOverScrollX is equal to getScrollX() when we're within the normal scroll range.
+ // Otherwise it is equal to the scaled overscroll position.
+ int screenCenter = mOverScrollX + halfScreenSize;
+
+ if (screenCenter != mLastScreenCenter || mForceScreenScrolled) {
+ // set mForceScreenScrolled before calling screenScrolled so that screenScrolled can
+ // set it for the next frame
+ mForceScreenScrolled = false;
+ screenScrolled(screenCenter);
+ mLastScreenCenter = screenCenter;
+ }
+
getVisiblePages(mTempVisiblePagesRange);
final int leftScreen = mTempVisiblePagesRange[0];
final int rightScreen = mTempVisiblePagesRange[1];