eu.davidea.flexibleadapter.FlexibleAdapter Java Examples

ParentViewHolder(View view, FlexibleAdapter adapter) {
    super(view, adapter);
    this.mContext = view.getContext();
    this.mTitle = view.findViewById(R.id.title);
    this.mSubtitle = view.findViewById(R.id.subtitle);
    this.mFlipView = view.findViewById(R.id.image);
    this.mFlipView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (mAdapter.mItemLongClickListener != null) {
                mAdapter.mItemLongClickListener.onItemLongClick(getAdapterPosition());
                Toast.makeText(mContext, "ImageClick on " + mTitle.getText() + " position " + getAdapterPosition(), Toast.LENGTH_SHORT).show();
                toggleActivation();
            }
        }
    });
    this.mHandleView = view.findViewById(R.id.row_handle);
    setDragHandleView(mHandleView);

    this.frontView = view.findViewById(R.id.front_view);
    this.rearLeftView = view.findViewById(R.id.rear_left_view);
    this.rearRightView = view.findViewById(R.id.rear_right_view);
}
 

private void initializeRecyclerView() {
    // Initialize Adapter and RecyclerView
    // Use of stableIds, I strongly suggest to implement 'item.hashCode()'
    FlexibleAdapter.useTag("ViewPagerAdapter");
    mAdapter = new FlexibleAdapter<>(createList(50, 5), getActivity(), true);
    mAdapter.setAnimationOnForwardScrolling(DatabaseConfiguration.animateOnForwardScrolling);

    RecyclerView mRecyclerView = getView().findViewById(R.id.recycler_view);
    mRecyclerView.setLayoutManager(new SmoothScrollLinearLayoutManager(getActivity()));
    mRecyclerView.setAdapter(mAdapter);
    mRecyclerView.setHasFixedSize(true); //Size of RV will not change
    // NOTE: Use default item animator 'canReuseUpdatedViewHolder()' will return true if
    // a Payload is provided. FlexibleAdapter is actually sending Payloads onItemChange.
    mRecyclerView.setItemAnimator(new DefaultItemAnimator());

    // Add FastScroll to the RecyclerView, after the Adapter has been attached the RecyclerView!!!
    FastScroller fastScroller = getView().findViewById(R.id.fast_scroller);
    mAdapter.setFastScroller(fastScroller);

    // Sticky Headers
    mAdapter.setDisplayHeadersAtStartUp(true)
            .setStickyHeaders(true);
}
 

FooterViewHolder(View view, FlexibleAdapter adapter) {
    super(view, adapter);
    mTitle = view.findViewById(R.id.title);
    mSubtitle = view.findViewById(R.id.subtitle);
    mDismissIcon = view.findViewById(R.id.dismiss_icon);
    mDismissIcon.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            //Don't need anymore to set permanent deletion for Scrollable Headers and Footers
            //mAdapter.setPermanentDelete(true);
            //noinspection unchecked
            mAdapter.removeScrollableFooter(ScrollableFooterItem.this);
            //mAdapter.setPermanentDelete(false);
        }
    });

    // Support for StaggeredGridLayoutManager
    setFullSpan(true);
}
 

SimpleViewHolder(View view, FlexibleAdapter adapter) {
    super(view, adapter);
    this.mContext = view.getContext();
    this.mTitle = view.findViewById(R.id.title);
    this.mSubtitle = view.findViewById(R.id.subtitle);
    this.mFlipView = view.findViewById(R.id.image);
    this.mFlipView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (mAdapter.mItemLongClickListener != null) {
                mAdapter.mItemLongClickListener.onItemLongClick(getAdapterPosition());
                Toast.makeText(mContext, "ImageClick on " + mTitle.getText() + " position " + getAdapterPosition(), Toast.LENGTH_SHORT).show();
                toggleActivation();
            }
        }
    });
    this.mHandleView = view.findViewById(R.id.row_handle);
    setDragHandleView(mHandleView);

    this.frontView = view.findViewById(R.id.front_view);
    this.rearLeftView = view.findViewById(R.id.rear_left_view);
    this.rearRightView = view.findViewById(R.id.rear_right_view);
}
 

@Override
public void bindViewHolder(final FlexibleAdapter adapter, ViewHolder holder, int position, List payloads) {
    Context context = holder.itemView.getContext();

    holder.mQuantityLikes.setText(context.getResources().getString(R.string.likes, getLikes()));
    holder.mImageFavourite.flipSilently(getStarred());

    // Load image via Glide
    RequestOptions options = new RequestOptions()
            .optionalFitCenter();
    Glide.with(context.getApplicationContext())
         .asBitmap()
         .apply(options)
         .transition(withCrossFade(200))
         .load(url)
         .into(holder.mImage);
}
 

HeaderViewHolder(View view, FlexibleAdapter adapter) {
    super(view, adapter, true);//True for sticky
    mTitle = view.findViewById(R.id.title);
    mSubtitle = view.findViewById(R.id.subtitle);
    mTitle.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Log.d("HeaderTitle", "Registered internal click on Header TitleTextView! " + mTitle.getText() + " position=" + getFlexibleAdapterPosition());
        }
    });
    this.mHandleView = view.findViewById(R.id.row_handle);
    if (adapter.isHandleDragEnabled()) {
        this.mHandleView.setVisibility(View.VISIBLE);
        setDragHandleView(mHandleView);
    } else {
        this.mHandleView.setVisibility(View.GONE);
    }

    // Support for StaggeredGridLayoutManager
    setFullSpan(true);
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    if (Utils.hasLollipop()) requestWindowFeature(Window.FEATURE_CONTENT_TRANSITIONS);
    super.onCreate(savedInstanceState);

    if (Utils.hasLollipop()) {
        getWindow().setEnterTransition(new Fade());
    }

    setContentView(R.layout.activity_main);
    if (BuildConfig.DEBUG) {
        FlexibleAdapter.enableLogs(Level.VERBOSE);
    } else {
        FlexibleAdapter.enableLogs(Level.SUPPRESS);
    }
    Log.v("onCreate");

    // Initialize Toolbar, Drawer & FAB
    initializeToolbar();
    initializeDrawer();
    initializeFab();
    // Initialize Fragment containing Adapter & RecyclerView
    initializeFragment(savedInstanceState);
}
 

ULSViewHolder(View view, FlexibleAdapter adapter) {
    super(view, adapter);
    mTitle = view.findViewById(R.id.title);
    mSubtitle = view.findViewById(R.id.subtitle);
    mImageView = view.findViewById(R.id.image);
    mDismissIcon = view.findViewById(R.id.dismiss_icon);
    mDismissIcon.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            DatabaseConfiguration.userLearnedSelection = true;
            //Don't need anymore to set permanent deletion for Scrollable Headers and Footers
            //mAdapter.setPermanentDelete(true);
            //noinspection unchecked
            mAdapter.removeScrollableHeader(ScrollableULSItem.this);
            //mAdapter.setPermanentDelete(false);
        }
    });

    // Support for StaggeredGridLayoutManager
    setFullSpan(true);
}
 

public UCViewHolder(View view, FlexibleAdapter adapter) {
    super(view, adapter);
    mTitle = view.findViewById(R.id.title);
    mSubtitle = view.findViewById(R.id.subtitle);
    mDismissIcon = view.findViewById(R.id.dismiss_icon);
    mDismissIcon.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            //Don't need anymore to set permanent deletion for Scrollable Headers and Footers
            //mAdapter.setPermanentDelete(true);
            //noinspection unchecked, ConstantConditions
            mAdapter.removeScrollableHeader(mAdapter.getItem(getAdapterPosition()));
            //mAdapter.setPermanentDelete(false);
        }
    });

    // Support for StaggeredGridLayoutManager
    setFullSpan(true);
}
 

ExpandableHeaderViewHolder(View view, FlexibleAdapter adapter) {
    super(view, adapter, true);//True for sticky
    mTitle = view.findViewById(R.id.title);
    mSubtitle = view.findViewById(R.id.subtitle);
    this.mHandleView = view.findViewById(R.id.row_handle);
    if (adapter.isHandleDragEnabled()) {
        this.mHandleView.setVisibility(View.VISIBLE);
        setDragHandleView(mHandleView);
    } else {
        this.mHandleView.setVisibility(View.GONE);
    }

    // Support for StaggeredGridLayoutManager
    setFullSpan(true);
}
 

@SuppressWarnings({"ConstantConditions", "NullableProblems"})
private void initializeRecyclerView(Bundle savedInstanceState) {
    // Initialize Adapter and RecyclerView
    FlexibleAdapter.useTag("DataBindingAdapter");
    mAdapter = new BindingFlexibleAdapter<>(getActivity(), true);
    mAdapter.setAnimationOnForwardScrolling(DatabaseConfiguration.animateOnForwardScrolling);
    mRecyclerView = getView().findViewById(R.id.recycler_view);
    mRecyclerView.setLayoutManager(createNewLinearLayoutManager());
    mRecyclerView.setAdapter(mAdapter);
    mRecyclerView.setHasFixedSize(true); //Size of RV will not change
    // NOTE: Use default item animator 'canReuseUpdatedViewHolder()' will return true if
    // a Payload is provided. FlexibleAdapter is actually sending Payloads onItemChange.
    mRecyclerView.setItemAnimator(new GarageDoorItemAnimator());

    // Add FastScroll to the RecyclerView, after the Adapter has been attached the RecyclerView!!!
    FastScroller fastScroller = getView().findViewById(R.id.fast_scroller);
    mAdapter.setFastScroller(fastScroller);

    // New empty views handling, to set after FastScroller
    EmptyViewHelper.create(mAdapter,
            getView().findViewById(R.id.empty_view),
            getView().findViewById(R.id.filter_view));

    mAdapter.setLongPressDragEnabled(true)
            .setHandleDragEnabled(true)
            .setSwipeEnabled(true)
            .setDisplayHeadersAtStartUp(true)
            .setStickyHeaders(true);

    SwipeRefreshLayout swipeRefreshLayout = getView().findViewById(R.id.swipeRefreshLayout);
    swipeRefreshLayout.setEnabled(true);
    mListener.onFragmentChange(swipeRefreshLayout, mRecyclerView, Mode.IDLE);

    mAdapter.addScrollableHeaderWithDelay(new ScrollableUseCaseItem(
            getString(R.string.databinding_use_case_title),
            getString(R.string.databinding_use_case_description)), 500L, false);
}
 

@SuppressWarnings({"ConstantConditions", "NullableProblems"})
private void initializeRecyclerView(Bundle savedInstanceState) {
    // Initialize Adapter and RecyclerView
    // ExampleAdapter makes use of stableIds, I strongly suggest to implement 'item.hashCode()'
    FlexibleAdapter.useTag("StaggeredLayoutAdapter");
    mAdapter = new FlexibleAdapter<>(DatabaseService.getInstance().getDatabaseList(), getActivity());
    mRecyclerView = getView().findViewById(R.id.recycler_view);
    // Customize the speed of the smooth scroll.
    // NOTE: Every time you change this value you MUST recreate the LayoutManager instance
    // and to assign it again to the RecyclerView!
    TopSnappedSmoothScroller.MILLISECONDS_PER_INCH = 33f; //Make faster the smooth scroll
    mRecyclerView.setLayoutManager(createNewStaggeredGridLayoutManager());
    // This value is restored to 100f (default) right here, because it is used in the
    // constructor by Android. If we don't change it now, others LayoutManager will be
    // impacted too by the above modification!
    TopSnappedSmoothScroller.MILLISECONDS_PER_INCH = 100f;

    mRecyclerView.setAdapter(mAdapter);
    mRecyclerView.setHasFixedSize(true); //Size of RV will not change
    // NOTE: Use default item animator 'canReuseUpdatedViewHolder()' will return true if
    // a Payload is provided. FlexibleAdapter is actually sending Payloads onItemChange.
    mRecyclerView.setItemAnimator(new DefaultItemAnimator());
    mRecyclerView.addItemDecoration(new FlexibleItemDecoration(getActivity())
            .addItemViewType(R.layout.recycler_staggered_item, 8)
            .withEdge(true));

    mAdapter.setDisplayHeadersAtStartUp(true) //Show Headers at startUp!
            .setNotifyMoveOfFilteredItems(true)
            .setPermanentDelete(true) //Default=true
            .setOnlyEntryAnimation(true);

    SwipeRefreshLayout swipeRefreshLayout = getView().findViewById(R.id.swipeRefreshLayout);
    swipeRefreshLayout.setEnabled(true);
    mListener.onFragmentChange(swipeRefreshLayout, mRecyclerView, Mode.IDLE);

    // Add 1 Scrollable Header
    mAdapter.addScrollableHeader(new ScrollableUseCaseItem(
            getString(R.string.staggered_use_case_title),
            getString(R.string.staggered_use_case_description)));
}
 

public ChildViewHolder(View view, FlexibleAdapter adapter) {
    super(view, adapter);
    this.mTitle = view.findViewById(R.id.title);
    this.mHandleView = view.findViewById(R.id.row_handle);
    if (adapter.isHandleDragEnabled()) {
        this.mHandleView.setVisibility(View.VISIBLE);
        setDragHandleView(mHandleView);
    } else {
        this.mHandleView.setVisibility(View.GONE);
    }
}
 

@Override
public void bindViewHolder(final FlexibleAdapter adapter, ExpandableItem.ParentViewHolder holder, int position, List payloads) {
    Context context = holder.itemView.getContext();

    setSubtitle(adapter.getCurrentChildren(this).size() + " subItems");
    holder.mSubtitle.setText(getSubtitle());

    // Background, when bound the first time
    if (payloads.size() == 0) {
        holder.mTitle.setText(getTitle());

        Drawable drawable = DrawableUtils.getSelectableBackgroundCompat(
                Color.WHITE, Color.parseColor("#dddddd"), // Same color of divider
                DrawableUtils.getColorControlHighlight(context));
        DrawableUtils.setBackgroundCompat(holder.itemView, drawable);
        DrawableUtils.setBackgroundCompat(holder.frontView, drawable);
    } else {
        Log.d(this.getClass().getSimpleName(), "ExpandableHeaderItem Payload " + payloads);
    }

    // ANIMATION EXAMPLE!! ImageView - Handle Flip Animation on Select ALL and Deselect ALL
    if (adapter.isSelectAll() || adapter.isLastItemInActionMode()) {
        // Consume the Animation
        holder.mFlipView.flip(adapter.isSelected(position), 200L);
    } else {
        // Display the current flip status
        holder.mFlipView.flipSilently(adapter.isSelected(position));
    }
}
 

@Override
@SuppressWarnings("unchecked")
public void bindViewHolder(FlexibleAdapter adapter, HeaderViewHolder holder, int position, List payloads) {
    if (payloads.size() > 0) {
        Log.d(this.getClass().getSimpleName(), "StaggeredHeaderItem Payload " + payloads);
    } else {
        String title = this.title + " (" + adapter.getSectionItems(this).size() + ")";
        holder.title.setText(title);
    }
}
 

@Override
public void bindViewHolder(FlexibleAdapter adapter, ULSViewHolder holder, int position, List payloads) {
    Context context = holder.itemView.getContext();
    DrawableUtils.setBackgroundCompat(holder.itemView, DrawableUtils.getRippleDrawable(
            DrawableUtils.getColorDrawable(context.getResources().getColor(R.color.material_color_purple_50)),
            DrawableUtils.getColorControlHighlight(context))
    );
    holder.mImageView.setImageResource(R.drawable.ic_account_circle_white_24dp);
    holder.itemView.setActivated(true);
    holder.mTitle.setSelected(true);//For marquee!!
    holder.mTitle.setText(Utils.fromHtmlCompat(getTitle()));
    holder.mSubtitle.setText(Utils.fromHtmlCompat(getSubtitle()));
}
 

@Override
public void bindViewHolder(FlexibleAdapter adapter, UCViewHolder holder, int position, List payloads) {
    Context context = holder.itemView.getContext();
    DrawableUtils.setBackgroundCompat(holder.itemView, DrawableUtils.getRippleDrawable(
            DrawableUtils.getColorDrawable(context.getResources().getColor(R.color.material_color_deep_purple_50)),
            DrawableUtils.getColorControlHighlight(context))
    );
    holder.mTitle.setText(Utils.fromHtmlCompat(getTitle()));
    holder.mSubtitle.setText(Utils.fromHtmlCompat(getSubtitle()));

    holder.setFullSpan(true);
}
 

@Override
public void bindViewHolder(FlexibleAdapter adapter, AnimatorExpandableViewHolder holder, int position, List payloads) {
    if (payloads.size() > 0) {
        Log.d(this.getClass().getSimpleName(), "AnimatorExpandableItem Payload " + payloads);
    } else {
        holder.mTitle.setText(getTitle());
    }
    setSubtitle(String.valueOf(adapter.getCurrentChildren(this).size()) +
            " subItems (" + (isExpanded() ? "expanded" : "collapsed") + ")");
    holder.mSubtitle.setText(getSubtitle());
}
 

@Override
public void bindViewHolder(FlexibleAdapter<IFlexible> adapter, ChildViewHolder holder, int position, List<Object> payloads) {
    //In case of searchText matches with Title or with an SimpleItem's field
    // this will be highlighted
    if (adapter.hasFilter()) {
        Context context = holder.itemView.getContext();
        String filter = adapter.getFilter(String.class);
        FlexibleUtils.highlightText(holder.mTitle, getTitle(), filter,
                context.getResources().getColor(R.color.colorAccent_light));
    } else {
        holder.mTitle.setText(getTitle());
    }
}
 

/**
 * Launches an app based on RecyclerView scroll state.
 *
 * @param activity     The activity for context reference.
 * @param recyclerView The RecyclerView itself.
 * @param adapter      A FlexibleAdapter with App items.
 */
public static void keyboardLaunchApp(Activity activity, RecyclerView recyclerView, FlexibleAdapter<App> adapter) {
    if (recyclerView.canScrollVertically(RecyclerView.FOCUS_UP)) {
        AppUtils.launchApp(activity, Utils.requireNonNull(
                adapter.getItem(0)));
    } else if (!recyclerView.canScrollVertically(RecyclerView.FOCUS_DOWN)) {
        AppUtils.launchApp(activity, Utils.requireNonNull(
                adapter.getItem(adapter.getItemCount() - 1)));
    }
}
 

@SuppressWarnings({"ConstantConditions", "NullableProblems"})
private void initializeRecyclerView(Bundle savedInstanceState) {
    FlexibleAdapter.useTag("AnimatorsAdapter");
    mAdapter = new ExampleAdapter(DatabaseService.getInstance().getDatabaseList(), getActivity());
    mAdapter.expandItemsAtStartUp()
            .setAutoCollapseOnExpand(false)
            .setAutoScrollOnExpand(true)
            .setOnlyEntryAnimation(false)
            .setAnimationEntryStep(true) //In Overall, watch the effect at initial loading when Grid Layout is set
            .setAnimationOnForwardScrolling(DatabaseConfiguration.animateOnForwardScrolling)
            .setAnimationOnReverseScrolling(true)
            .setAnimationInterpolator(new DecelerateInterpolator())
            .setAnimationDuration(300L);
    mRecyclerView = getView().findViewById(R.id.recycler_view);
    mRecyclerView.setLayoutManager(createNewLinearLayoutManager());
    mRecyclerView.setAdapter(mAdapter);
    //mRecyclerView.setHasFixedSize(true); //Size of RV will not change

    // NOTE: Custom item animators inherit 'canReuseUpdatedViewHolder()' from Default Item
    // Animator. It will return true if a Payload is provided. FlexibleAdapter is actually
    // sending Payloads onItemChange notifications.
    mRecyclerView.setItemAnimator(new FlexibleItemAnimator());
    initializeSpinnerItemAnimators();
    initializeSpinnerScrollAnimators();

    mAdapter.setSwipeEnabled(true)
            .getItemTouchHelperCallback()
            .setSwipeFlags(ItemTouchHelper.RIGHT); //Enable swipe

    SwipeRefreshLayout swipeRefreshLayout = getView().findViewById(R.id.swipeRefreshLayout);
    swipeRefreshLayout.setEnabled(false);
    mListener.onFragmentChange(swipeRefreshLayout, mRecyclerView, Mode.IDLE);

    // Add 1 Scrollable Header
    mAdapter.addScrollableHeader(new ScrollableUseCaseItem(
            getString(R.string.animator_use_case_title),
            getString(R.string.animator_use_case_description)));
}
 

@SuppressWarnings({"ConstantConditions", "NullableProblems"})
private void initializeRecyclerView(Bundle savedInstanceState) {
    // Initialize Adapter and RecyclerView
    // ExampleAdapter makes use of stableIds, I strongly suggest to implement 'item.hashCode()'
    FlexibleAdapter.useTag("HolderSectionsAdapter");
    mAdapter = new ExampleAdapter(DatabaseService.getInstance().getDatabaseList(), getActivity());

    mRecyclerView = getView().findViewById(R.id.recycler_view);
    mRecyclerView.setLayoutManager(createNewLinearLayoutManager());
    mRecyclerView.setAdapter(mAdapter);
    mRecyclerView.setHasFixedSize(true); //Size of RV will not change
    // NOTE: Use default item animator 'canReuseUpdatedViewHolder()' will return true if
    // a Payload is provided. FlexibleAdapter is actually sending Payloads onItemChange.
    mRecyclerView.setItemAnimator(new DefaultItemAnimator());

    // Add FastScroll to the RecyclerView, after the Adapter has been attached the RecyclerView!!!
    FastScroller fastScroller = getView().findViewById(R.id.fast_scroller);
    fastScroller.addOnScrollStateChangeListener((MainActivity) getActivity());
    mAdapter.setFastScroller(fastScroller);

    mAdapter.setDisplayHeadersAtStartUp(true)
            .setStickyHeaders(true)
            .setOnlyEntryAnimation(true);

    SwipeRefreshLayout swipeRefreshLayout = getView().findViewById(R.id.swipeRefreshLayout);
    swipeRefreshLayout.setEnabled(true);
    mListener.onFragmentChange(swipeRefreshLayout, mRecyclerView, Mode.IDLE);

    // Add 1 Scrollable Header
    mAdapter.addScrollableHeader(new ScrollableUseCaseItem(
            getString(R.string.model_holders_use_case_title),
            getString(R.string.model_holders_use_case_description)));
}
 

public AnimatorExpandableViewHolder(View view, FlexibleAdapter adapter) {
    super(view, adapter, true);//True for sticky
    mTitle = view.findViewById(R.id.title);
    mSubtitle = view.findViewById(R.id.subtitle);

    // Support for StaggeredGridLayoutManager
    setFullSpan(true);
}
 

@SuppressWarnings({"unchecked", "ConstantConditions"})
private void initializeRecyclerView() {
    // Initialize Adapter and RecyclerView
    // true = it makes use of stableIds, I strongly suggest to implement 'item.hashCode()'
    FlexibleAdapter.useTag("InstagramHeadersAdapter");
    mAdapter = new FlexibleAdapter<>(null, getActivity(), true);
    mAdapter.addListener(getActivity())
            .setAnimationOnForwardScrolling(true)
            .setAnimationOnReverseScrolling(true);
    mRecyclerView = getView().findViewById(R.id.recycler_view);
    mRecyclerView.setLayoutManager(createNewLinearLayoutManager());
    mRecyclerView.setAdapter(mAdapter);
    mRecyclerView.setHasFixedSize(true); //Size of RV will not change
    // NOTE: Use default item animator 'canReuseUpdatedViewHolder()' will return true if
    // a Payload is provided. FlexibleAdapter is actually sending Payloads onItemChange.
    mRecyclerView.setItemAnimator(new DefaultItemAnimator());
    // 24dpi as empty space between sections (each post)
    mRecyclerView.addItemDecoration(new FlexibleItemDecoration(getActivity())
            .withSectionGapOffset(24));

    // New empty views handling
    EmptyViewHelper.create(mAdapter, getView().findViewById(R.id.empty_view));

    mAdapter.setDisplayHeadersAtStartUp(true) //Show Headers at startUp!
            .setStickyHeaders(true) //Make headers sticky
            // Endless scroll with 1 item threshold
            .setLoadingMoreAtStartUp(true)
            .setEndlessScrollListener(this, new ProgressItem())
            .setEndlessScrollThreshold(1); //Default=1

    SwipeRefreshLayout swipeRefreshLayout = getView().findViewById(R.id.swipeRefreshLayout);
    swipeRefreshLayout.setEnabled(true);
    mListener.onFragmentChange(swipeRefreshLayout, mRecyclerView, Mode.IDLE);
}
 

@SuppressWarnings("unchecked")
@BindingAdapter(value = "items")
public static <T extends IFlexible> void setAdapter(RecyclerView recyclerView, List<T> items) {
    RecyclerView.Adapter adapter = recyclerView.getAdapter();
    if (adapter != null && adapter instanceof FlexibleAdapter) {
        ((FlexibleAdapter<T>) adapter).updateDataSet(items);
    } else {
        throw new IllegalStateException("Binding works only with FlexibleAdapter");
    }
}
 

@SuppressWarnings("unchecked")
private void applySectionGap(Rect outRect, RecyclerView.Adapter adapter, int position, int orientation) {
    // Section Gap Offset
    if (mSectionOffset > 0 && adapter instanceof FlexibleAdapter) {
        FlexibleAdapter flexibleAdapter = (FlexibleAdapter) adapter;
        IFlexible nextItem = flexibleAdapter.getItem(position + 1);

        // IMPORTANT: the check must be done on the BOTTOM of the section,
        // otherwise the sticky header will jump!
        if (flexibleAdapter.isHeader(nextItem)) {
            //Log.v("applySectionGap position=%s", position);
            if (orientation == RecyclerView.VERTICAL) {
                outRect.bottom += mSectionOffset;
            } else {
                outRect.right += mSectionOffset;
            }
        }
        if (position >= adapter.getItemCount() - mSectionGapOnLastItem) {
            //Log.v("applySectionGapOnLastPosition position=%s", position);
            if (orientation == RecyclerView.VERTICAL) {
                outRect.bottom += mSectionOffset;
            } else {
                outRect.right += mSectionOffset;
            }
        }
    }
}
 

ScrollableExpandableViewHolder(View view, FlexibleAdapter adapter) {
    super(view, adapter, true);
    mTitle = view.findViewById(R.id.title);
    mSubtitle = view.findViewById(R.id.subtitle);

    // Support for StaggeredGridLayoutManager
    setFullSpan(true);
}
 

@Override
public void onFragmentChange(SwipeRefreshLayout swipeRefreshLayout, RecyclerView recyclerView, int mode) {
    mRecyclerView = recyclerView;
    mAdapter = (FlexibleAdapter) recyclerView.getAdapter();
    mSwipeRefreshLayout = swipeRefreshLayout;
    initializeSwipeToRefresh();
    initializeActionModeHelper(mode);
}
 

@Override
public ViewHolder createViewHolder(View view, FlexibleAdapter adapter) {
    return new ViewHolder(view, adapter);
}
 

ChildViewHolder(View view, FlexibleAdapter adapter) {
    super(view, adapter);
    this.mTitle = view.findViewById(R.id.title);
}