How to use

canScrollHorizontal

method

in

cn.youngkaaa.yviewpager.YViewPager

/**
 * Tests scrollability within child views of v given a delta of dx.
 *
 * @param v      View to test for horizontal scrollability
 * @param checkV Whether the view v passed should itself be checked for scrollability (true),
 *               or just its children (false).
 * @param dx     Delta scrolled in pixels
 * @param x      X coordinate of the active touch point
 * @param y      Y coordinate of the active touch point
 * @return true if child views of v can be scrolled by delta of dx.
 */
protected boolean canScrollHorizontal(View v, boolean checkV, int dx, int x, int y) {
  if (v instanceof ViewGroup) {
    final ViewGroup group = (ViewGroup) v;
    final int scrollX = v.getScrollX();
    final int scrollY = v.getScrollY();
    final int count = group.getChildCount();
    for (int i = count - 1; i >= 0; i--) {
      // TODO: Add versioned support here for transformed views.
      final View child = group.getChildAt(i);
      if (x + scrollX >= child.getLeft() && x + scrollX < child.getRight()
          && y + scrollY >= child.getTop() && y + scrollY < child.getBottom()
          && canScrollHorizontal(child, true, dx, x + scrollX - child.getLeft(),
          y + scrollY - child.getTop())) {
        return true;
      }
    }
  }
  return checkV && ViewCompat.canScrollHorizontally(v, -dx);
}

&& canScrollHorizontal(this, false, (int) dx, (int) x, (int) y)) {