LoggingRecyclerView and LoggingLinearLayoutManager which helps debugging RV issues.

LoggingLinearLayoutManager.java

public class LoggingLinearLayoutManager extends LinearLayoutManager {
    public LoggingLinearLayoutManager(Context context) {
        super(context);
    }

    public LoggingLinearLayoutManager(Context context, int orientation, boolean reverseLayout) {
        super(context, orientation, reverseLayout);
    }

    public LoggingLinearLayoutManager(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
        super(context, attrs, defStyleAttr, defStyleRes);
    }

    @Override
    public void onLayoutChildren(RecyclerView.Recycler recycler, RecyclerView.State state) {
        Log.d("SEAN", "onLayoutChildren State: " + state);
        super.onLayoutChildren(recycler, state);
    }
}

LoggingRecyclerView.java

public class LoggingRecyclerView extends RecyclerView {

    public LoggingRecyclerView(Context context) {
        super(context);
    }

    public LoggingRecyclerView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public LoggingRecyclerView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    @Override
    protected void onLayout(boolean changed, int l, int t, int r, int b) {
        logChildren();
        super.onLayout(changed, l, t, r, b);
        logChildren();

    }

    private void logChildren() {
        for (int i = 0, size = getChildCount(); i < size; i++) {
            View child = getChildAt(0);
            Log.d("SEAN", getChildViewHolder(child) + "--> " + getLtrb(child));
        }
    }

    private String getLtrb(View view) {
        return "l: " + view.getLeft() + " r: " + view.getRight() + " t: " + view.getTop() + " b: " + view.getBottom();
    }

    @Override
    public ViewHolder getChildViewHolder(View child) {
        ViewHolder holder = super.getChildViewHolder(child);
        Log.d("SEAN", "getChildViewHolder(child): " + holder);
        return holder;
    }
}