commit efa259a77ebd74199e1f02723f49aba1c810a9a6
author Annie Chin <afchin@google.com> Wed Nov 23 14:15:15 2016 -0800
committer Annie Chin <afchin@google.com> Wed Nov 23 15:00:19 2016 -0800
tree 4bfef75daa2c8ab7dfff0b9222c8a989af810b26
parent 450de8a974e75e6538633c95ec7af7bafff5ad46

Initialize the RecyclerView as INVISIBLE.

Fixes: 33106612
Fixes: 33106867

Also, reinitialize the DragController in onResume() instead of
only on creation.

Change-Id: I6d2be61f07d1839472fddbbd5f88b00da90e3180

src/com/android/calculator2/HistoryFragment.java

diff --git a/src/com/android/calculator2/HistoryFragment.java b/src/com/android/calculator2/HistoryFragment.java
index 5be3452..f0a5ea3 100644
--- a/src/com/android/calculator2/HistoryFragment.java
+++ b/src/com/android/calculator2/HistoryFragment.java
@@ -51,8 +51,6 @@
                 public void onClosed() {
                     // TODO: only cancel historical evaluations
                     mEvaluator.cancelAll(true);
-
-                    mDragController.resetAnimationInitialized();
                 }
 
                 @Override
@@ -168,10 +166,14 @@
         }
 
         mAdapter.notifyDataSetChanged();
+    }
 
-        // Initialize the current expression element to dimensions that match the display to
-        // avoid flickering and scrolling when elements expand on drag start.
-        mDragController.animateViews(1.0f, mRecyclerView, mAdapter.getItemCount());
+    @Override
+    public void onStart() {
+        super.onStart();
+
+        // The orientation may have changed.
+        mDragController.initializeAnimation(mRecyclerView);
     }
 
     @Override