AndroidListView自定义Adapter实现仿QQ界面

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 View item = LayoutInflater.from(context).inflate(R.layout.itemstyle_layout, null); 
// TextView info = (TextView)item.findViewById(R.id.id_item_tv); 
// info.setText(list.get(position)+""); 

public class MyAdapter extends BaseAdapter{ 
 
  // 
  public List> list; 
  public Context context; 
 
  public MyAdapter (Context context,List> list){ 
    this.cOntext=context; 
    this.list=list; 
 
  } 

@Override 
  public int getCount() { 
    return list.size();//返回个数 
  } 
 
  @Override 
  public Object getItem(int position) { 
    return list.get(position);//返回项 
  } 
 
  @Override 
  public long getItemId(int position) { 
    return position;//角标 
  } 
 
  @Override 
  public View getView(int position, View convertView, ViewGroup parent) { 
 
 
//    View item = LayoutInflater.from(context).inflate(R.layout.itemstyle_layout, null); 
//    TextView info = (TextView)item.findViewById(R.id.id_item_tv); 
//    info.setText(list.get(position)+""); 
 
    ViewHolder viewHolder; 
    if(cOnvertView==null){ 
      viewHolder= new ViewHolder(); 
      cOnvertView=LayoutInflater.from(context).inflate(R.layout.itemstyle_layout,null);//加载布局 
 
      viewHolder.tv1= (TextView) convertView.findViewById(R.id.id_item_tv); 
      viewHolder.tv2= (TextView) convertView.findViewById(R.id.id_item_tv2); 
      convertView.setTag(viewHolder); 
    }else{ 
      viewHolder= (ViewHolder) convertView.getTag(); 
    } 
 
    viewHolder.tv1.setText(list.get(position).get("tv1")+""); 
    viewHolder.tv2.setText(list.get(position).get("tv2")+""); 
 
 
    return convertView; 
  } 
 
  static class ViewHolder 
  { 
    ImageView iv; 
     TextView tv1; 
     TextView tv2; 
  } 

public class MainActivity extends AppCompatActivity { 
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 
 
 
    ListView lv= (ListView) findViewById(R.id.id_lv); 
    List> list=new ArrayList> (); 
 
    for(int i=0;i<10;i++){ 
      Map map=new HashMap<>(); 
      map.put("tv1","111111"); 
      map.put("tv2","222222"); 
      list.add(map); 
    } 
    MyAdapter ma=new MyAdapter(this,list); 
    lv.setAdapter(ma); 
 
  } 
 
 
}