NewsStandHeaderView.java 文件源码

private void loadBackgroundImage() {
    if (headerViewImageReference.size() == 0
            || headerViewImageReference.get(currentPageIndex) == null
            || headerViewImageReference.get(currentPageIndex).size() == 0) {
        loadFallBackBackground();
        return;
    }

    if (headerViewImageReference.get(currentPageIndex).size() <= currentImageIndex + 1) {
        currentImageIndex = -1;
    }

    currentImageIndex++;
    final Transformation tintTransformation = new ColorTintingGrayScaleTransformation(getColorByPosition(currentPageIndex));
    picasso.load(headerViewImageReference.get(currentPageIndex).get(currentImageIndex))
            .transform(tintTransformation)
            .into(panningImage);

    transitionsCount = 0;
}