java.lang.OutOfMemoryError: Failed to allocate a  byte allocation with  free bytes and 1426KB until OOM

     at dalvik.system.VMRuntime.newNonMovableArray(Native Method)

     at android.graphics.Bitmap.nativeCreate(Native Method)

     at android.graphics.Bitmap.createBitmap(Bitmap.java:)

     at android.graphics.Bitmap.createBitmap(Bitmap.java:)

     at android.graphics.Bitmap.createBitmap(Bitmap.java:)

     at com.facebook.imagepipeline.memory.BitmapPool.alloc(BitmapPool.java:)

     at com.facebook.imagepipeline.memory.BitmapPool.alloc(BitmapPool.java:)

     at com.facebook.imagepipeline.memory.BasePool.get(BasePool.java:)

         //设置内存紧张时的应对措施

         MemoryTrimmableRegistry memoryTrimmableRegistry = NoOpMemoryTrimmableRegistry.getInstance();

         memoryTrimmableRegistry.registerMemoryTrimmable(new MemoryTrimmable() {

             @Override

             public void trim(MemoryTrimType trimType) {

                 final double suggestedTrimRatio = trimType.getSuggestedTrimRatio();

                 if (MemoryTrimType.OnCloseToDalvikHeapLimit.getSuggestedTrimRatio() == suggestedTrimRatio

                         || MemoryTrimType.OnSystemLowMemoryWhileAppInBackground.getSuggestedTrimRatio() == suggestedTrimRatio

                         || MemoryTrimType.OnSystemLowMemoryWhileAppInForeground.getSuggestedTrimRatio() == suggestedTrimRatio) {

                     //清空内存缓存

                     ImagePipelineFactory.getInstance().getImagePipeline().clearMemoryCaches();

                 }

             }

         });

         //设置磁盘缓存

         imagePipelineConfigBuilder.setMainDiskCacheConfig(DiskCacheConfig.newBuilder(this)

                 .setBaseDirectoryPath(getExternalCacheDir())//设置磁盘缓存的路径

                 .setBaseDirectoryName(getString(R.string.app_name))//设置磁盘缓存文件夹的名称

                 .setMaxCacheSize(20 * ByteConstants.MB)//设置磁盘缓存的大小

                 .build())

                 .setDownsampleEnabled(true)

                 .setMemoryTrimmableRegistry(memoryTrimmableRegistry);

     /**

      * 构建、获取ImageRequest

      * @param uri 加载路径

      * @param simpleDraweeView 加载的图片控件

      */

     public ImageRequest getImageRequest(Uri uri, SimpleDraweeView simpleDraweeView) {

         int width;

         int height;

         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {

             width = simpleDraweeView.getWidth();

             height = simpleDraweeView.getHeight();

         } else {

             width = simpleDraweeView.getMaxWidth();

             height = simpleDraweeView.getMaxHeight();

         }

         //根据请求路径生成ImageRequest的构造者

         ImageRequestBuilder builder = ImageRequestBuilder.newBuilderWithSource(uri);

         //调整解码图片的大小

         if (width > 0 && height > 0) {

             builder.setResizeOptions(new ResizeOptions(width, height));

         }

         //设置是否开启渐进式加载，仅支持JPEG图片

         builder.setProgressiveRenderingEnabled(true);

         return builder.build();

     }