package com.example.zeroking.demolistview;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.util.Log;import android.view.View;import android.widget.AbsListView;import android.widget.AdapterView;import android.widget.ArrayAdapter;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 AppCompatActivity implements AdapterView.OnItemClickListener,AbsListView.OnScrollListener{ ? ?private ListView listView; ? ?private ArrayAdapter arrayAdapter; ? ?private SimpleAdapter simpleAdapter; ? ?private List<Map<String,Object>> dataList; ? ?@Override ? ?protected void onCreate(Bundle savedInstanceState) { ? ? ? ?super.onCreate(savedInstanceState); ? ? ? ?setContentView(R.layout.activity_main); ? ? ? ?ListView listView=(ListView)findViewById(R.id.LV); ? ? ? ?String[] arr_data={"慕課1","慕課2","慕課3","慕課4","慕課5","慕課6"}; ? ? ? ?//新建一個適配器 ? ? ? ?//new ArrayAdapter(上下問，當前ListView加載每項的布局，數(shù)據(jù)源) ? ? ? ?arrayAdapter=new ArrayAdapter(this,android.R.layout.simple_list_item_1,arr_data); ? ? ? ?//listView.setAdapter(arrayAdapter); ? ? ? ?dataList=new ArrayList<Map<String,Object>>(); ? ? ? ?simpleAdapter=new SimpleAdapter(this,getData(),R.layout.simplelayout,new String[]{"pic","text"},new int[]{R.id.pic,R.id.text}); ? ? ? ?listView.setAdapter(simpleAdapter); ? ? ? ?listView.setOnItemClickListener(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.drawable.gets); ? ? ? ? ? ?map.put("text","慕課網(wǎng)"+i); ? ? ? ? ? ?dataList.add(map); ? ? ? ?} ? ? ? ?/* ? ? ? ?Map<String,Object>map1=new HashMap<String,Object>(); ? ? ? ?map1.put("pic",R.drawable.gets); ? ? ? ?map1.put("text","慕課網(wǎng)"+1); ? ? ? ?dataList.add(map1); ? ? ? ?Map<String,Object>map2=new HashMap<String,Object>(); ? ? ? ?map2.put("pic",R.drawable.gets); ? ? ? ?map2.put("text","哈哈哈哈"); ? ? ? ?dataList.add(map2); ? ? ? ?*/ ? ? ? ?return dataList; ? ?} ? ?@Override ? ?public void onItemClick(AdapterView<?> parent, View view, int position, long id) { ? ? ? ?String text2=listView.getItemAtPosition(position)+""; ? ? ? ?Toast.makeText(this,"position="+position+" text="+text2,Toast.LENGTH_SHORT).show(); ? ? ? ?Log.i("toast",String.valueOf(position)); ? ?} ? ?@Override ? ?public void onScrollStateChanged(AbsListView view, int scrollState) { ? ?} ? ?@Override ? ?public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) { ? ?}}