@Override
    public void onEnd(boolean result, BaseSliderView target) {
        if(target.isErrorDisappear() == false || result == true){
            return;
        }
        for (BaseSliderView slider: mImageContents){
            if(slider.equals(target)){
                removeSlider(target);
                break;
            }
        }
    }
When image download error, then remove.
@param result
@param target
library/src/main/java/com/daimajia/slider/library/SliderAdapter.java