package com.example.coolvidaoplayer; import java.util.List; import java.util.Map; import android.content.Context; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.TextView; public class VidaoListAdapter extends BaseAdapter { private LayoutInflater videoListInflater; private List<Map<String,Object>>videoList; public VidaoListAdapter(Context context,List<Map<String,Object>>list) { this.videoListInflater=LayoutInflater.from(context); this.videoList=list; } static class ViewHolder{ ImageView ivVideoThumbnail; TextView tvVideoName; TextView tvVideoSize; } @Override public int getCount() { // TODO Auto-generated method stub if(videoList!=null) { return videoList.size(); }else return 0; } @Override public Object getItem(int pos) { // TODO Auto-generated method stub return videoList.get(pos); } @Override public long getItemId(int id) { // TODO Auto-generated method stub return id; } @Override public View getView(int position, View convertView, ViewGroup parent) { // TODO Auto-generated method stub ViewHolder videoHolder=null; if(convertView==null) { videoHolder=new ViewHolder(); convertView=videoListInflater.inflate(R.layout.list_item_vidaoinfo, null); videoHolder.ivVideoThumbnail=(ImageView)convertView.findViewById(R.id.iv_vidao_thumbnail); videoHolder.tvVideoName=(TextView)convertView.findViewById(R.id.tv_vidao_name); videoHolder.tvVideoSize=(TextView)convertView.findViewById(R.id.tv_vidao_size); videoHolder.ivVideoThumbnail.setBackgroundResource((Integer)videoList.get(position).get("videothumbnail")); videoHolder.tvVideoName.setText((String)videoList.get(position).get("videoname")); videoHolder.tvVideoSize.setText((String)videoList.get(position).get("videosize")); convertView.setTag(videoHolder); } else { videoHolder=(ViewHolder)convertView.getTag(); } return convertView; } }
自定义Adapter写法记录
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