/**

  * Created by Lee on 2016/2/22.

  */

 public class ImageLoaderManager {

     public static DisplayImageOptions.Builder IMAGE_OPTION_DEFAULT = new DisplayImageOptions.Builder()

             .cacheInMemory(true).cacheOnDisk(true).displayer(new SimpleBitmapDisplayer())

             .resetViewBeforeLoading(true).considerExifParams(true).bitmapConfig(Bitmap.Config.RGB_565);

     public static DisplayImageOptions IMAGE_OPTION_DEFAULT_PIC = IMAGE_OPTION_DEFAULT

             .showImageForEmptyUri(R.drawable.ic_launcher)

             .showImageOnFail(R.drawable.ic_launcher)

             .showImageOnLoading(R.drawable.ic_launcher)

             .build();

     public static void init(Context context){

         ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(context).

                 memoryCacheExtraOptions(480, 800).   //max width, max height

                 threadPoolSize(3).                    //线程池内加载的数量

                 threadPriority(Thread.NORM_PRIORITY).denyCacheImageMultipleSizesInMemory().

                 memoryCache(new LruMemoryCache(2 * 1024 * 1024)).   //you can pass your own memory cache implementation

                 memoryCacheSize(2 * 1024 * 1024).

                 diskCacheSize(50 * 1024 * 1024)

                 .diskCacheFileNameGenerator(new Md5FileNameGenerator())//将保存的时候的URI名称用MD5 加密

                 .tasksProcessingOrder(QueueProcessingType.LIFO)

                 .diskCacheFileCount(100) //缓存的文件数量

                 .diskCache(new UnlimitedDiskCache(StorageUtils.getCacheDirectory(context)))//自定义缓存路径

                 .defaultDisplayImageOptions(IMAGE_OPTION_DEFAULT.build())

                 .imageDownloader(new BaseImageDownloader(context, 5 * 1000, 30 * 1000)) // connectTimeout (5 s), readTimeout (30 s)超时时间

                 .build();//开始构建

         ImageLoader.getInstance().init(config);//全局初始化此配置

     }

 }

 public class MyApplication extends Application{

     private static MyApplication instance;

     public static MyApplication getInstance(){

         return instance;

     }

     @Override

     public void onCreate() {

         super.onCreate();

         instance = this;

         initImageLoader();

     }

     private static void initImageLoader(){

         ImageLoaderManager.init(instance.getApplicationContext());

     }

    public void setImage(String url){

        ImageLoader.getInstance().displayImage(url, image, ImageLoaderManager.IMAGE_OPTION_DEFAULT_PIC);

    }