CircleProgressBar.java 文件源码

/**
 * Update the background color of the mBgCircle image view.
 */
public void setBackgroundColor(int colorRes) {
    if (getBackground() instanceof ShapeDrawable) {
        final Resources res = getResources();
        ((ShapeDrawable) getBackground()).getPaint().setColor(res.getColor(colorRes));
    }
}