package?com.example.administrator.android_listview;

import?android.app.Activity;
import?android.os.Bundle;
import?android.view.View;
import?android.widget.AbsListView;
import?android.widget.AdapterView;
import?android.widget.ListView;
import?android.widget.SimpleAdapter;
import?android.widget.Toast;

import?java.util.ArrayList;
import?java.util.HashMap;
import?java.util.List;
import?java.util.Map;

public?class?MainActivity?extends?Activity?implements?AdapterView.OnItemClickListener,AbsListView.OnScrollListener{
????private?ListView?listView;

????private?List<Map<String,?Object>>dataList;

????@Override
????protected?void?onCreate(Bundle?savedInstanceState)?{
????????super.onCreate(savedInstanceState);
????????setContentView(R.layout.main);
????????listView=(ListView)findViewById(R.id.listView);
????????dataList?=?new?ArrayList<Map<String,?Object>>();
????????SimpleAdapter?simAdapter=new?SimpleAdapter(this,getData(),R.layout.item,
?????????????????new?String[]{"pic","text"},
????????????????new?int[]{R.id.pic,?R.id.text});
????????listView.setAdapter(simAdapter);
????????listView.setOnItemClickListener(this);
???????//?listView.setOnScrollListener(this);
????}
????private?List<Map<String,?Object>>?getData(){
????????for(int?i=0;?i<20;?i++)?{
????????????Map<String,?Object>map=new?HashMap<String,?Object>();
????????????map.put("pic",?R.mipmap.ic_launcher);
????????????map.put("text",?String.valueOf(i));
????????????dataList.add(map);
????????}
????????return?dataList;
????}
????@Override
????public?void?onScrollStateChanged(AbsListView?view,?int?scrollState)?{

????}
????@Override
????public?void?onScroll(AbsListView?view,?int?firstVisibleItem,?int?visibleItemCount,
?????????????????????????int?totalItemCount){

????}
????@Override
????public?void?onItemClick(AdapterView<?>parent,?View?view,?int?position,?long?id)?{
?????????String?text=listView.getItemAtPosition(position).toString()+"";
????????Toast.makeText(this,?"position="+position+"?text="+text,?Toast.LENGTH_LONG).show();
????}
}