private void showAllPages() {
        if (mPreviousPage.valid && mPreviousPage.v.getVisibility() != VISIBLE) {
            mPreviousPage.v.setVisibility(VISIBLE);
        }
        if (mCurrentPage.valid && mCurrentPage.v.getVisibility() != VISIBLE) {
            mCurrentPage.v.setVisibility(VISIBLE);
        }
        if (mNextPage.valid && mNextPage.v.getVisibility() != VISIBLE) {
            mNextPage.v.setVisibility(VISIBLE);
        }
    }
@author emilsjolander
        <p>
        Class to hold a view and its corresponding info
app/src/main/java/home/smart/fly/animations/customview/flipview/FlipView.java