OnPageScrolled事件参数 position表示当前正在显示的页面索引,如果向右滑动表示将要显示的页面的position,向左滑动表示将要消失的页面的position,positionOffsetPixels表示页面移动的像素数,可用于实现android页面滑动时差动画效果



ViewPager.OnPageChangeListener mPageChangeListener = new ViewPager.OnPageChangeListener() {

@Override

public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {

int distance = positionOffsetPixels;

if ((lastpos == position) && (position < fragments.size() - 1)) {

if (position > 0) {

fragments.get(position).Move(getScreenWidth() + distance);

} else {

fragments.get(position).Move(distance);

}

fragments.get(position + 1).Move(distance);

}

lastpos = position;

}


@Override

public void onPageSelected(int position) {

}


@Override

public void onPageScrollStateChanged(int state) {

}

};