public void paint() {

         if (item.laying_mode != 1)//平铺或者充满

         {

             new AsyncTask<Void, Void, Void>() {

                 @Override

                 protected Void doInBackground(Void... params) {

                     Looper.prepare();

                     try {

                         theBitmap = Glide.

                                 with(ctxt).

                                 load(item.src).

                                 asBitmap().

                                 into(fenbianlv[0], fenbianlv[1]).

                                 get();

                     } catch (final ExecutionException e) {

                         Log.e(TAG, e.getMessage());

                     } catch (final InterruptedException e) {

                         Log.e(TAG, e.getMessage());

                     }

                     return null;

                 }

                 @Override

                 protected void onPostExecute(Void dummy) {

                     if (null != theBitmap) {

                         // The full bitmap should be available here

                         BitmapDrawable bd = new BitmapDrawable(Resources.getSystem(),theBitmap);

                         if (item.laying_mode == 0)//充满（默认值，缩放到图片全部充满屏幕

                         {

                         } else if (item.laying_mode == 2)//平铺（从左上开始，一个一个的平铺）

                         {

                             bd.setTileModeXY(Shader.TileMode.REPEAT, Shader.TileMode.REPEAT);

                         }

                         rl.setBackground(bd);

                     }

                 }

             }.execute();

         }

         else//1：居中（图片按照原始大小，放到屏幕中间)

         {

             new AsyncTask<Void, Void, Void>() {

                 @Override

                 protected Void doInBackground(Void... params) {

                     Looper.prepare();

                     try {

                         String imageUrl = item.src;

                         theBitmap= BitmapFactory.decodeStream((InputStream) new URL(imageUrl).getContent());

                     } catch (final Exception e) {

                         Log.e(TAG, e.getMessage());

                     }

                     return null;

                 }

                 @Override

                 protected void onPostExecute(Void dummy) {

                     if (null != theBitmap) {

                         iv.setImageBitmap(theBitmap);

                     }

                 }

             }.execute();

         }

     }