docs: public void returnDrawableToPool(ReusableBitmapDrawable drawable) {
  		Bitmap b = drawable.tryRecycle();
  		if (b != null && !b.isRecycled() && b.isMutable() && b.getConfig() != null) {
  			synchronized (mPool) {
  				mPool.addLast(b);
  			}
  		} else if (b != null) {
  			Log.d(IMapView.LOGTAG, "Rejected bitmap from being added to BitmapPool.");
  		}
  	}