InstaTag.java 文件源码

private void setColor(Drawable drawable, int color) {
    if (drawable instanceof ShapeDrawable) {
        ((ShapeDrawable) drawable).getPaint().setColor(color);
    } else if (drawable instanceof GradientDrawable) {
        ((GradientDrawable) drawable).setColor(color);
    } else if (drawable instanceof ColorDrawable) {
        ((ColorDrawable) drawable).setColor(color);
    } else if (drawable instanceof LayerDrawable) {
        LayerDrawable layerDrawable = (LayerDrawable) drawable;
        RotateDrawable rotateDrawable =
                (RotateDrawable) layerDrawable.findDrawableByLayerId(R.id.carrot_shape_top);
        setColor(rotateDrawable.getDrawable(), color);
    } else if (drawable instanceof RotateDrawable) {
        setColor(((RotateDrawable) drawable).getDrawable(), color);
    }
}