多条目适配器

多条目适配器

public class MybaseAdapter extends BaseAdapter {
Context context;
User.ResultBean beans;
LayoutInflater mInflater;
final  int TYPE0 = 0;
final  int TYPE1 = 1;
public MybaseAdapter(Context context, User.ResultBean beans){
    this.context=context;
    this.beans=beans;
    mInflater = LayoutInflater.from(context);
}
@Override
public int getCount() {
    return beans.getData().size();
}

@Override
public Object getItem(int position) {
    return beans.getData().get(position);
}

@Override
public long getItemId(int position) {
    return position;
}
//获取条目类型
@Override
public int getItemViewType(int position) {
    switch (position){
        case 0:
            return TYPE0;
        case 1:
            return TYPE1;

        default:
    }
    return position%2;
}
//条目类型数量
@Override
public int getViewTypeCount() {
    return 2;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    ViewHolder holder = null;
    int type = getItemViewType(position);
    holder=  new MybaseAdapter.ViewHolder();
    if (convertView == null) {
        switch (type){
            case TYPE0:
                convertView=View.inflate(context,R.layout.item_listview,null);
                holder.leftimageView  = convertView.findViewById(R.id.lf_imageView);
                holder.lefttv1  = convertView.findViewById(R.id.lf_textView1);
                holder.lefttv2  = convertView.findViewById(R.id.lf_textView2);

                convertView.setTag(holder);
                break;
            case TYPE1:
                convertView=View.inflate(context,R.layout.item_listviewr,null);
                holder.rightimageView  = convertView.findViewById(R.id.rt_imageView);
                holder.rttv1  = convertView.findViewById(R.id.rt_textView);
                holder.rttv2  = convertView.findViewById(R.id.rt_textView4);
                convertView.setTag(holder);
                break;
        }
    }  else {   //else里面说明，convertView已经被复用了，说明convertView中已经设置过tag了，即holder
        holder = (ViewHolder) convertView.getTag();
    }
    switch (type){
        case 0:
            ImageLoader.getInstance().displayImage(beans.getData().get(position).getThumbnail_pic_s(),holder.leftimageView);
            holder.lefttv1.setText(beans.getData().get(position).getTitle());
            holder.lefttv2.setText(beans.getData().get(position).getDate());
            return convertView;
        case 1:
            holder.rttv1.setText(beans.getData().get(position).getTitle());
            holder.rttv2.setText(beans.getData().get(position).getDate());;
            return convertView;
        default:
    }
    return convertView;
}

private class ViewHolder {
    TextView  lefttv1,lefttv2,textView3,rttv1,rttv2;
    ImageView leftimageView,rightimageView;

}

}