多条目加载

MApp类

import android.app.Application;

import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;

/**
 * author:Created by WangZhiQiang on 2017-10-10.
 * 系统启动 会先运行这个MApp,所以我们在这里进行初始化 框架 组件等等;
 */

public class MApp extends Application{

    @Override
    public void onCreate() {
        super.onCreate();

        //初始化组件
        ImageLoaderConfiguration configuration = new ImageLoaderConfiguration.Builder(this).build();
        ImageLoader.getInstance().init(configuration);

    }
}

Main类

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;

import com.nostra13.universalimageloader.core.ImageLoader;

public class MainActivity extends AppCompatActivity {

    private ListView lv;
    private ImageLoader imageLoaderInstance;
    String imageUrl = "http://img.my.csdn.net/uploads/201407/26/1406383213_4418.jpg";


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        lv = (ListView) findViewById(R.id.lv);
        lv.setAdapter(new MAdapter());
        imageLoaderInstance = ImageLoader.getInstance();


    }

    class MAdapter extends BaseAdapter{


        @Override
        public int getCount() {
            return 10;
        }

        @Override
        public Object getItem(int i) {
            return null;
        }

        @Override
        public long getItemId(int i) {
            return i;
        }

        @Override
        public View getView(int i, View view, ViewGroup viewGroup) {
            View itemView = View.inflate(MainActivity.this, R.layout.item_list, null);
            ImageView iv = itemView.findViewById(R.id.iv);
            imageLoaderInstance.displayImage(imageUrl,iv);
            return itemView;
        }
    }
}