CircleProgressBar.java 文件源码

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