ImagePickerImageView.java 文件源码

private void setColor(Drawable drawable, @ColorInt int color) {
        if (drawable != null) {
            if (drawable instanceof LayerDrawable) {
//                LayerDrawable layerDrawable = (LayerDrawable) drawable;
//                int numberOfLayers = layerDrawable.getNumberOfLayers();
////                if (numberOfLayers > 0) {
////                    setColor((layerDrawable).getDrawable(numberOfLayers - 1), color);
////                }
//                for (int i = 0; i < numberOfLayers; i++) {
//                    setColor((layerDrawable).getDrawable(i), color);
//                }

                mShowMask = true;
                postInvalidate();
//                layerDrawable.setColorFilter(color, PorterDuff.Mode.MULTIPLY);
            } else {
                drawable.mutate().setColorFilter(color, PorterDuff.Mode.MULTIPLY);
            }
        }
    }