ArrayAdapter模板

适配器模板

package cn.edu.bzu.news.adapter;import android.content.Context;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.ArrayAdapter;import android.widget.LinearLayout;import android.widget.ListView;import android.widget.TextView;import com.loopj.android.image.SmartImageView;import java.util.List;import cn.edu.bzu.news.R;import cn.edu.bzu.news.entity.NewsInfo;/** * Created by Administrator on 2017/5/18. */public class MyAdapter extends ArrayAdapter<NewsInfo> {    private int resourceId;    public MyAdapter(Context context, int textViewResourceId,List<NewsInfo> object) {        super(context, textViewResourceId,object);        resourceId = textViewResourceId;    }    public View getView(int position,View convertView,ViewGroup parent)    {        NewsInfo info=getItem(position);        LayoutInflater inflater=(LayoutInflater)getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);        View view=inflater.inflate(resourceId,null);        SmartImageView imageView=(SmartImageView) view.findViewById(R.id.item_image);        TextView tv1=(TextView)view.findViewById(R.id.item_tv1);        TextView tv2=(TextView)view.findViewById(R.id.item_tv2);        TextView tv3=(TextView)view.findViewById(R.id.item_tv3);        imageView.setImageUrl(info.getPath());        tv1.setText(info.getTitle());        tv2.setText(info.getDes());        tv3.setText(String.valueOf(info.getComment()));        return view;    }}

                                        

调用示例

public class MainActivity extends AppCompatActivity {    private ListView listView;    private MyAdapter adapter;    private List<NewsInfo> newsInfos;    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        listView=(ListView)findViewById(R.id.list1);        load();    }    public void load()    {        AsyncHttpClient asyncHttpClient=new AsyncHttpClient();        asyncHttpClient.get(getString(R.string.servelurl), new AsyncHttpResponseHandler() {                @Override            public void onSuccess(String content) {                super.onSuccess(content);                byte[] bytes=content.getBytes();                ByteArrayInputStream bais=new ByteArrayInputStream(bytes);                newsInfos= NewsInfoService.getNewsInfo(bais);                if(newsInfos==null) Toast.makeText(MainActivity.this,"解析失败",Toast.LENGTH_LONG).show();                else {                    adapter=new MyAdapter(MainActivity.this,R.layout.item,newsInfos);                    listView.setAdapter(adapter);                    Toast.makeText(MainActivity.this,"成功",Toast.LENGTH_LONG).show();                }            }            @Override            public void onFailure(Throwable error,String content) {                super.onFailure(error,content);                Toast.makeText(MainActivity.this,"请求失败",Toast.LENGTH_LONG).show();            }        });    }}