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20-Jun-2014 |
Yigit Boyar <yboyar@google.com> |
Track hidden views to allow interleaved disappearing children in RecyclerView
RecyclerView used to put animating views at the end of the view group list
which may cause problems if views overlap. Instead, this implementation keeps
track of hidden item positions.
This CL also removes the requirement to not to call addView for disappearing
children. Instead, LayoutManager can add children via addView (if it is removed)
or addDisappearingView (if LayoutManager want to remove it) and RecyclerView
will hide those views from the LayoutManager after the layout pass is complete.
This CL also enabled animations even if no item changed notifications are
received from Adapter. This is useful when LayoutManager changed how it lays
out views w/o any change in the adapter. LayoutManger can still disable this
feature via existing animations callbacks.
Change-Id: I1aee1832ba1d4e5aff4213bc73fa77a52b70a83d
/frameworks/support/v7/recyclerview/tests/src/android/support/v7/widget/BucketTest.java
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