[Demonstration 1]

[Buggy Method]
@Override
public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
    super.onScrollStateChanged(recyclerView, newState);
    RecyclerView.LayoutManager layoutManager = recyclerView.getLayoutManager();
    int visibleItemCount = layoutManager.getChildCount();
    int totalItemCount = layoutManager.getItemCount();
    if (mIsLoading) {
        if (totalItemCount > mPreviousTotal) {
            mIsLoading = false;
            mPreviousTotal = totalItemCount;
        }
    }
    if (!mIsLoading && (visibleItemCount > 0 && newState == RecyclerView.SCROLL_STATE_IDLE && (mLastVisibleItemPos) >= totalItemCount - 1)) {
        mIsLoading = true;
        onLoadMore();
    }
    boolean isScrolling = newState != RecyclerView.SCROLL_STATE_IDLE;
    if (mIsNeedLoadData && !isScrolling && recyclerView.getAdapter() != null) {
        recyclerView.getAdapter().notifyDataSetChanged();
    }
    onScrollStateChanged(newState);
}

[Buggy Hunk]
if (totalItemCount > mPreviousTotal) {

[Patch]
if (totalItemCount != mPreviousTotal) {

[Demonstration 2]

[Buggy Method]
@Override
public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
    // Set movement flags based on the layout manager
    if (recyclerView.getLayoutManager() instanceof GridLayoutManager) {
        final int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN | ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT;
        final int swipeFlags = 0;
        return makeMovementFlags(dragFlags, swipeFlags);
    } else {
        final int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
        final int swipeFlags = ItemTouchHelper.START | ItemTouchHelper.END;
        return makeMovementFlags(dragFlags, swipeFlags);
    }
}

[Buggy Hunk]
if (recyclerView.getLayoutManager() instanceof GridLayoutManager) {

[Patch]
if (recyclerView.getLayoutManager() instanceof GridLayoutManager || recyclerView.getLayoutManager() instanceof SpannedGridLayoutManager) {

[Demonstration 3]

[Buggy Method]
public void onBindViewHolder(CardViewHolder v, int i) {
    CardInfo ci = this.cardInfoList.get(i);
    v.nameTextView.setText(ci.name);
    v.timeTextView.setText(ci.hour + ((ci.minute < 10) ? ":0" + ci.minute : ":" + ci.minute));
    v.dayTextView.setText(selectedDay);
}

[Buggy Hunk]
v.dayTextView.setText(selectedDay);

[Patch]
v.dayTextView.setText(ci.selectedDay);