import android.content.Context; import android.support.v4.view.ViewPager; import android.util.AttributeSet; import android.view.MotionEvent; import android.view.View;

public class CanScrollViewPager extends ViewPager {
    private boolean mNoScroll = false;//标记不允许左右滚动   /**    * @param context    * @param attrs    */   public CanScrollViewPager(Context context, AttributeSet attrs) {
      super(context, attrs);   }   /**    * @param context    */   public CanScrollViewPager(Context context) {
      super(context);   }   @Override   protected boolean canScroll(View v, boolean checkV, int dx, int x, int y) {
      if (v != this && (v instanceof PageWebView || v instanceof HorizontalGalleryView)) {
        requestDisallowInterceptTouchEvent(true);       return true;     }     return super.canScroll(v, checkV, dx, x, y);   }   @Override   public boolean dispatchTouchEvent(MotionEvent ev) {
      switch (ev.getAction()) {
        case MotionEvent.ACTION_UP:       case MotionEvent.ACTION_CANCEL:         break;       default:         break;     }     return super.dispatchTouchEvent(ev);   }   //设置不允许左右滚动   public void setNoScroll(boolean noScroll) {
      this.mNoScroll = noScroll;   }   @Override   public boolean onTouchEvent(MotionEvent arg0) {
      if (mNoScroll) {
        return false;     }     return super.onTouchEvent(arg0);   }   @Override   public boolean onInterceptTouchEvent(MotionEvent arg0) {
      if (mNoScroll) {
        return false;     }     return super.onInterceptTouchEvent(arg0);   } }