private void propagateScroll(int scrollY) {
// Set scrollY for the fragments that are not created yet
mPagerAdapter.setScrollY(scrollY);
// Set scrollY for the active fragments
for (int i = 0; i < mPagerAdapter.getCount(); i++) {
// Skip current item
if (i == mPager.getCurrentItem()) {
continue;
}
// Skip destroyed or not created item
FlexibleSpaceWithImageBaseFragment f =
(FlexibleSpaceWithImageBaseFragment) mPagerAdapter.getItemAt(i);
if (f == null) {
continue;
}
View view = f.getView();
if (view == null) {
continue;
}
f.setScrollY(scrollY, mFlexibleSpaceHeight);
f.updateFlexibleSpace(scrollY);
}
}
