Alerter.java 文件源码

/**
 * Set the Alert's Background Drawable Resource
 *
 * @param drawableResId Drawable Resource Id
 * @return This Alerter
 */
public Alerter setBackgroundResource(@DrawableRes final int drawableResId) {
    if (getAlert() != null) {
        getAlert().setAlertBackgroundResource(drawableResId);
    }

    return this;
}