ViewPager和SlidingPaneLayout的滑动事件冲突解决方法

import android.content.Context;
import android.support.v4.view.MotionEventCompat;
import android.support.v4.widget.SlidingPaneLayout;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.ViewConfiguration;

public class PagerEnabledSlidingPaneLayout extends SlidingPaneLayout {

  private float mInitialMotionX;
  private float mInitialMotionY;
  private float mEdgeSlop;

  public PagerEnabledSlidingPaneLayout(Context context) {
    this(context, null);
  }

public PagerEnabledSlidingPaneLayout(Context context, 
AttributeSet attrs) {
    this(context, attrs, 0);
  }

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

    ViewConfiguration config = ViewConfiguration.get(context);
    mEdgeSlop = config.getScaledEdgeSlop();
  }

  @Override
  public boolean onInterceptTouchEvent(MotionEvent ev) {

    switch (MotionEventCompat.getActionMasked(ev)) {
      case MotionEvent.ACTION_DOWN: {
        mInitialMotionX = ev.getX();
        mInitialMotionY = ev.getY();
        break;
      }

      case MotionEvent.ACTION_MOVE: {
        final float x = ev.getX();
        final float y = ev.getY();
        if (mInitialMotionX   mEdgeSlop && !isOpen() && canScroll(this, false,
            Math.round(x - mInitialMotionX), Math.round(x), Math.round(y))) { 
          MotionEvent cancelEvent = MotionEvent.obtain(ev);
          cancelEvent.setAction(MotionEvent.ACTION_CANCEL);
          return super.onInterceptTouchEvent(cancelEvent);
        }
      }
    }
    return super.onInterceptTouchEvent(ev);
  }
}