Carregamento de imagem com a lib Universal Image Loader

compile do gradle

compile 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'

image_loader_produtos.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/linearLayout"
    android:layout_width="match_parent"
    android:layout_margin="8dp"
    android:layout_height="match_parent"
    android:orientation="vertical">


    <View
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:layout_marginBottom="5dp"
        android:layout_marginTop="5dp"
         />

    <ListView
        android:id="@+id/lvPosts"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1" />

</LinearLayout>

ImageLoaderAdapter.java

crie um adapter pra receber os dados do server com , é neste arquivo que as imagens serão impressas

package br.com.app.centralmetadevendasoficial.appvendas.Adapters;

import android.content.Context;
import android.graphics.Bitmap;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.assist.FailReason;
import com.nostra13.universalimageloader.core.listener.ImageLoadingListener;
import com.nostra13.universalimageloader.core.listener.ImageLoadingProgressListener;

import java.util.List;

import br.com.app.centralmetadevendasoficial.appvendas.Model.ImageLoaderProdutoBean;
import br.com.app.centralmetadevendasoficial.appvendas.R;


public class ImageLoaderAdapter extends BaseAdapter {

    private List<ImageLoaderProdutoBean> list;
    private LayoutInflater inflater;
    private ImageLoader mImageLoader;


    public ImageLoaderAdapter(Context context, List<ImageLoaderProdutoBean> list, ImageLoader mImageLoader) {
        this.list = list;
        this.inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        this.mImageLoader = mImageLoader;
    }


    @Override
    public int getCount() {
        return list.size();
    }

    @Override
    public Object getItem(int position) {
        return list.get(position);
    }

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

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {

        ViewHolder holder;

        if (convertView == null) {
            convertView = inflater.inflate(R.layout.item, null);
            holder = new ViewHolder();
            convertView.setTag(holder);

            holder.ivPost = (ImageView) convertView.findViewById(R.id.ivPost);
            holder.tvPost = (TextView) convertView.findViewById(R.id.tvPost);
        } else {
            holder = (ViewHolder) convertView.getTag();
        }

        holder.tvPost.setText(list.get(position).getDescricao_produto());

        // IMAGE LOADER
        mImageLoader.displayImage(list.get(position).getUrl_image(),
                holder.ivPost,
                null,
                new ImageLoadingListener() {
                    @Override
                    public void onLoadingStarted(String s, View view) {

                    }

                    @Override
                    public void onLoadingFailed(String s, View view, FailReason failReason) {

                    }

                    @Override
                    public void onLoadingComplete(String s, View view, Bitmap bitmap) {

                    }

                    @Override
                    public void onLoadingCancelled(String s, View view) {


                    }

                }, new ImageLoadingProgressListener() {
                    @Override
                    public void onProgressUpdate(String uri, View view, int current, int total) {
                        Log.i("Script", "onProgressUpdate(" + uri + " : " + total + " : " + current + ")");
                    }
                });

        return convertView;

    }


    private class ViewHolder {
        public ImageView ivPost;
        public TextView tvPost;
    }
}

ImageLoaderProdutos.java

package br.com.app.centralmetadevendasoficial.appvendas.Controller;

import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Handler;
import android.provider.Settings;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.widget.ListView;

import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.nostra13.universalimageloader.cache.disc.naming.HashCodeFileNameGenerator;
import com.nostra13.universalimageloader.cache.memory.impl.LruMemoryCache;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.ImageScaleType;
import com.nostra13.universalimageloader.core.assist.QueueProcessingType;
import com.nostra13.universalimageloader.core.decode.BaseImageDecoder;
import com.nostra13.universalimageloader.core.display.SimpleBitmapDisplayer;
import com.nostra13.universalimageloader.core.download.BaseImageDownloader;
import com.nostra13.universalimageloader.core.listener.PauseOnScrollListener;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

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

import br.com.app.centralmetadevendasoficial.appvendas.Adapters.ImageLoaderAdapter;
import br.com.app.centralmetadevendasoficial.appvendas.Importacoes.VolleySingleton;
import br.com.app.centralmetadevendasoficial.appvendas.Model.Empresa_SqliteBean;
import br.com.app.centralmetadevendasoficial.appvendas.Model.Empresa_SqliteDao;
import br.com.app.centralmetadevendasoficial.appvendas.Model.ImageLoaderProdutoBean;
import br.com.app.centralmetadevendasoficial.appvendas.R;
import br.com.app.centralmetadevendasoficial.appvendas.Util.CustomJsonObjectRequest;
import br.com.app.centralmetadevendasoficial.appvendas.Util.Methods;


public class ImageLoaderProdutos extends ActionBarActivity {

    private static final String TAG_IMAGENS_PRODUTOS = "imagens_produtos";
    private static String ID_CPF_EMPRESA;
    private static String URL_IMAGES;
    private static Map<String, String> params;
    private static JSONArray imagens_produtos = null;
    private ListView lvPosts;
    private List<ImageLoaderProdutoBean> list;
    private ImageLoader mImageLoader;
    private Empresa_SqliteDao empDao;
    private Empresa_SqliteBean empBean;
    private RequestQueue rq;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.image_loader_produtos);

        list = new ArrayList<>();

        empDao = new Empresa_SqliteDao(this);
        empBean = new Empresa_SqliteBean();
        empBean = empDao.buscarEmpresa();
        rq = VolleySingleton.getInstance(getApplicationContext()).getRequestQueue();

        if (empBean != null) {
            ID_CPF_EMPRESA = empBean.getEmp_cpf();
            URL_IMAGES = Methods.get(getApplicationContext()) + "/SistemaCMDV/JsonExport/imagens_produtos.php";
            params = new HashMap<String, String>();
            params.put("emp_celularkey", Settings.Secure.getString(getContentResolver(), Settings.Secure.ANDROID_ID));
            params.put("ID_CPF_EMPRESA", ID_CPF_EMPRESA);
            CustomJsonObjectRequest request = new CustomJsonObjectRequest(Request.Method.POST, URL_IMAGES, params, new Response.Listener<JSONObject>() {
                @Override
                public void onResponse(JSONObject response) {
                    try {
                        imagens_produtos = response.getJSONArray(TAG_IMAGENS_PRODUTOS);
                        for (int i = 0; i < imagens_produtos.length(); i++) {
                            JSONObject imagem = imagens_produtos.getJSONObject(i);
                            String Img_descricao = imagem.getString("Img_descricao");
                            String Prd_codigo = imagem.getString("Prd_codigo");
                            String prd_descricao = imagem.getString("prd_descricao");
                            Log.i("script", "codigo produto " + String.valueOf(Prd_codigo));
                            Log.i("script", "descricao imagem " + Img_descricao);
                            Log.i("script", "descricao produto " + prd_descricao);
                            Log.i("script", "**************************");
                            list.add(new ImageLoaderProdutoBean(prd_descricao, Methods.get(getApplicationContext()) + "/SistemaCMDV/view/IMAGENSPRD/img/" + Img_descricao, Integer.parseInt(Prd_codigo)));
                        }

                        if (!list.isEmpty()) {

                            DisplayImageOptions mDisplayImageOptions = new DisplayImageOptions.Builder()
                                    .showImageOnLoading(R.drawable.loading) // resource or drawable
                                    .showImageForEmptyUri(R.drawable.cmdvic) // resource or drawable
                                    .showImageOnFail(R.drawable.fail) // resource or drawable
                                    .resetViewBeforeLoading(false)  // default
                                    .delayBeforeLoading(1000)
                                    .cacheInMemory(true) // default
                                    .cacheOnDisk(false) // default
                                    .considerExifParams(false) // default
                                    .imageScaleType(ImageScaleType.IN_SAMPLE_POWER_OF_2) // default
                                    .bitmapConfig(Bitmap.Config.ARGB_8888) // default
                                    .displayer(new SimpleBitmapDisplayer()) // default
                                    .handler(new Handler()) // default
                                    .build();

                            ImageLoaderConfiguration conf = new ImageLoaderConfiguration.Builder(ImageLoaderProdutos.this)
                                    .memoryCacheExtraOptions(800, 800) // default = device screen dimensions
                                    .diskCacheExtraOptions(480, 800, null)
                                    .threadPoolSize(3) // default
                                    .threadPriority(Thread.NORM_PRIORITY - 2) // default
                                    .tasksProcessingOrder(QueueProcessingType.FIFO) // default
                                    .denyCacheImageMultipleSizesInMemory()
                                    .memoryCache(new LruMemoryCache(2 * 1024 * 1024))
                                    .memoryCacheSize(2 * 1024 * 1024)
                                    .memoryCacheSizePercentage(13) // default
                                    .diskCacheSize(50 * 1024 * 1024)
                                    .diskCacheFileCount(100)
                                    .diskCacheFileNameGenerator(new HashCodeFileNameGenerator()) // default
                                    .imageDownloader(new BaseImageDownloader(ImageLoaderProdutos.this)) // default
                                    .imageDecoder(new BaseImageDecoder(false)) // default
                                    .defaultDisplayImageOptions(DisplayImageOptions.createSimple()) // default
                                    .writeDebugLogs()
                                    .build();
                            mImageLoader = ImageLoader.getInstance();
                            mImageLoader.init(conf);

                            PauseOnScrollListener mPauseOnScrollListener = new PauseOnScrollListener(mImageLoader, true, true);

                            lvPosts = (ListView) findViewById(R.id.lvPosts);
                            lvPosts.setAdapter(new ImageLoaderAdapter(ImageLoaderProdutos.this, list, mImageLoader));
                            lvPosts.setOnScrollListener(mPauseOnScrollListener);
                        }

                    } catch (JSONException e) {
                        Log.i("Script", "JSONException: " + e.getMessage());

                    }


                }
            }, new Response.ErrorListener() {
                @Override
                public void onErrorResponse(VolleyError error) {

                    Log.i("Script", "VolleyError: " + error.getMessage());
                    Log.i("Script", "VolleyError: " + error.getCause());
                }
            });

            request.setTag("tag");
            rq.add(request);


        }


    }


    @Override
    public void onDestroy() {
        super.onDestroy();
        //mImageLoader.clearMemoryCache();
        //mImageLoader.clearDiskCache();
        if (mImageLoader != null) {
            mImageLoader.stop();
        }
    }


}

item.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical">


    <TextView
        android:id="@+id/tvPost"
        android:layout_width="match_parent"
        android:layout_height="25dp"
        android:gravity="center_horizontal"
        android:text="Teste" />

    <ImageView
        android:id="@+id/ivPost"
        android:layout_gravity="center_horizontal"
        android:layout_width="match_parent"
        android:layout_height="316dp"
        android:src="@drawable/cmdvic" />


</LinearLayout>