Showcase for issue #616 - Stable Ids break the initial animation

Author: davideas

flexible-adapter-app/src/main/java/eu/davidea/samples/flexibleadapter/OverallAdapter.java

@@ -51,8 +51,8 @@ public void showLayoutInfo(boolean scrollToPosition) {
                     R.string.columns,
                     String.valueOf(getFlexibleLayoutManager().getSpanCount()))
             );
-            addScrollableHeaderWithDelay(item, 500L, scrollToPosition);
-            removeScrollableHeaderWithDelay(item, 3000L);
+            addScrollableHeaderWithDelay(item, 300L, scrollToPosition);
+            removeScrollableHeaderWithDelay(item, 2000L);
         }
     }
 

flexible-adapter-app/src/main/java/eu/davidea/samples/flexibleadapter/fragments/FragmentOverall.java

@@ -31,6 +31,7 @@ public class FragmentOverall extends AbstractFragment
         implements OnDecorationSelectedListener {
 
     public static final String TAG = FragmentOverall.class.getSimpleName();
+    private static final long INITIAL_DELAY_300 = 300L;
 
     /**
      * Custom implementation of FlexibleAdapter
@@ -81,8 +82,7 @@ private void initializeRecyclerView(Bundle savedInstanceState) {
         mAdapter = new OverallAdapter(getActivity());
         mAdapter.setOnlyEntryAnimation(true)
                 .setAnimationInterpolator(new DecelerateInterpolator())
-                .setAnimationInitialDelay(500L)
-                .setAnimationDelay(70L);
+                .setAnimationInitialDelay(INITIAL_DELAY_300);
 
         // Prepare the RecyclerView and attach the Adapter to it
         mRecyclerView = getView().findViewById(R.id.recycler_view);
@@ -115,13 +115,13 @@ public void run() {
         scrollableUseCaseItem = new ScrollableUseCaseItem(
                 getString(R.string.overall_use_case_title),
                 getString(R.string.overall_use_case_description));
-        mAdapter.addScrollableHeader(scrollableUseCaseItem);
+        // Delayed! So entry animation will perform together
+        mAdapter.addScrollableHeaderWithDelay(scrollableUseCaseItem, INITIAL_DELAY_300, true);
     }
 
     @Override
     public void showNewLayoutInfo(MenuItem item) {
         super.showNewLayoutInfo(item);
-        mRecyclerView.setAdapter(mAdapter);
         mAdapter.showLayoutInfo(true);
     }