//viewpager适配器
import android.support.annotation.NonNull; import android.support.v4.view.PagerAdapter; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import java.util.List; public class MyViewPager extends PagerAdapter { private List<ImageView> list; public MyViewPager(List<ImageView> list) { this.list = list; } @Override public int getCount() { return Integer.MAX_VALUE; } @Override public boolean isViewFromObject(@NonNull View view, @NonNull Object object) { return view==object; } @NonNull @Override public Object instantiateItem(@NonNull ViewGroup container, int position) { ImageView imageView = list.get(position % list.size()); ViewGroup parent = (ViewGroup) imageView.getParent(); if(parent!=null){ parent.removeView(imageView); } container.addView(imageView); return imageView; } @Override public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) { container.removeView((View) object); } }
//多条目展示数据 Listview
import android.content.Context; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.TextView; import com.example.asus.application.bean.Bean; import com.nostra13.universalimageloader.core.ImageLoader; import java.util.List; public class MyAdapter extends BaseAdapter { private List<Bean.ResultBean.DataBean> list; private Context context; public MyAdapter(List<Bean.ResultBean.DataBean> list, Context context) { this.list = list; this.context = context; } @Override public int getCount() { return list.size(); } @Override public Object getItem(int i) { return list.get(i); } @Override public long getItemId(int i) { return i; } @Override public View getView(int i, View view, ViewGroup viewGroup) { int itemViewType = getItemViewType(i); switch (itemViewType){ case 1: ViewHolder holder=null; if(view==null){ holder=new ViewHolder(); view=View.inflate(context,R.layout.activity_adapter,null); holder.text=view.findViewById(R.id.text); view.setTag(holder); }else{ holder= (ViewHolder) view.getTag(); } holder.text.setText(list.get(i).getTitle()); break; case 2: ViewHolder1 holder1=null; if(view==null){ holder1=new ViewHolder1(); view=View.inflate(context,R.layout.item,null); holder1.image1=view.findViewById(R.id.image1); holder1.image2=view.findViewById(R.id.image2); holder1.image3=view.findViewById(R.id.image3); view.setTag(holder1); }else{ holder1= (ViewHolder1) view.getTag(); } ImageLoader.getInstance().displayImage(list.get(i).getThumbnail_pic_s(),holder1.image1); ImageLoader.getInstance().displayImage(list.get(i).getThumbnail_pic_s02(),holder1.image2); ImageLoader.getInstance().displayImage(list.get(i).getThumbnail_pic_s03(),holder1.image3); break; } return view; } @Override public int getViewTypeCount() { return 3; } @Override public int getItemViewType(int position) { // return super.getItemViewType(position); if(position%2==0){ return 1; }else{ return 2; } } class ViewHolder{ TextView text; } class ViewHolder1{ ImageView image1; ImageView image2; ImageView image3; } }