viewpager中 pagerAdapter使用详解
必须覆盖以下方法
instantiateItem(ViewGroup, int)
这个方法,return一个对象,这个对象表明了PagerAdapter适配器选择哪个对象*放在当前的ViewPager中
destroyItem(ViewGroup, int, Object)
这个方法,是从ViewGroup中移出当前View
getCount() /**这个方法,是获取当前窗体界面数
isViewFromObject(View, Object) 这个方法,在帮助文档中原文是could be implemented as return view == object,
*也就是用于判断是否由对象生成界面**/
例如:
mPagerAdapter = new PagerAdapter() { @Override public void destroyItem(ViewGroup container, int position, Object object) { container.removeView(mViews.get(position)); } @Override public Object instantiateItem(ViewGroup container, int position) { View view = mViews.get(position); container.addView(view); return view; } @Override public boolean isViewFromObject(View arg0, Object arg1) { return arg0 == arg1; } @Override public int getCount() { return mViews.size(); } };