@Override
public void onDestroyView() {
if (mRecyclerViewDragDropManager != null) {
mRecyclerViewDragDropManager.release();
mRecyclerViewDragDropManager = null;
}
if (mRecyclerViewSwipeManager != null) {
mRecyclerViewSwipeManager.release();
mRecyclerViewSwipeManager = null;
}
if (mRecyclerViewTouchActionGuardManager != null) {
mRecyclerViewTouchActionGuardManager.release();
mRecyclerViewTouchActionGuardManager = null;
}
if (mRecyclerView != null) {
mRecyclerView.setItemAnimator(null);
mRecyclerView.setAdapter(null);
mRecyclerView = null;
}
if (mWrappedAdapter != null) {
WrapperAdapterUtils.releaseAll(mWrappedAdapter);
mWrappedAdapter = null;
}
// mSetlistAdapter = null;
mLayoutManager = null;
super.onDestroyView();
}
@Override
public void onViewCreated(final View view, @Nullable final Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
mRecyclerView = (RecyclerView) getView().findViewById(R.id.recycler_view);
mLayoutManager = new LinearLayoutManager(getActivity());
// touch guard manager (this class is required to suppress scrolling while swipe-dismiss
// animation is running)
mRecyclerViewTouchActionGuardManager = new RecyclerViewTouchActionGuardManager();
mRecyclerViewTouchActionGuardManager.setInterceptVerticalScrollingWhileAnimationRunning(true);
mRecyclerViewTouchActionGuardManager.setEnabled(true);
mRecyclerViewTouchActionGuardManager.setEnabled(true);
// drag and drop manager
mRecyclerViewDragDropManager = new RecyclerViewDragDropManager();
mRecyclerViewDragDropManager.setSwapTargetTranslationInterpolator(
new BasicSwapTargetTranslationInterpolator());
mRecyclerViewDragDropManager.setDraggingItemShadowDrawable(
(NinePatchDrawable) getResources().getDrawable(R.drawable.material_shadow_z1));
// swipe manager
mRecyclerViewSwipeManager = new RecyclerViewSwipeManager();
// adapter
mWrappedAdapter = mRecyclerViewDragDropManager.createWrappedAdapter(getAdapter());
mWrappedAdapter =
mRecyclerViewSwipeManager.createWrappedAdapter(mWrappedAdapter); // wrap for swiping
mRecyclerView.setLayoutManager(mLayoutManager);
mRecyclerView.setAdapter(mWrappedAdapter); // required *wrapped adapter*
mRecyclerView.setItemAnimator(new RefactoredDefaultItemAnimator());
// additional decorations
if (!supportsViewElevation()) {
// for pre-lollipop
mRecyclerView.addItemDecoration(
new ItemShadowDecorator(
(NinePatchDrawable) getResources().getDrawable(R.drawable.material_shadow_z1)));
}
mRecyclerView.addItemDecoration(
new SimpleListDividerDecorator(getResources().getDrawable(R.drawable.list_divider), true));
// NOTE:
// The initialization order is very important! This order determines the priority of touch event
// handling.
//
// priority: TouchActionGuard > Swipe > DragAndDrop
mRecyclerViewTouchActionGuardManager.attachRecyclerView(mRecyclerView);
mRecyclerViewSwipeManager.attachRecyclerView(mRecyclerView);
mRecyclerViewDragDropManager.attachRecyclerView(mRecyclerView);
}
@Override
public void onPause() {
mRecyclerViewDragDropManager.cancelDrag();
super.onPause();
}