private void dataSetInvalidated() {
        if (mAdapter != null) {
            mAdapter.unregisterDataSetObserver(dataSetObserver);
            mAdapter = null;
        }
        mRecycler = new Recycler();
        removeAllViews();
    }
@author emilsjolander
        <p>
        Class to hold a view and its corresponding info
app/src/main/java/home/smart/fly/animations/customview/flipview/FlipView.java