MarqueeView.java 文件源码

/**
 * 根据字符串，启动翻页公告
 *
 * @param notice       字符串
 * @param inAnimResId  进入动画的resID
 * @param outAnimResID 离开动画的resID
 */
@SuppressWarnings("deprecation")
public void startWithText(final String notice, final @AnimRes int inAnimResId, final @AnimRes int outAnimResID) {
    if (TextUtils.isEmpty(notice)) return;
    getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
        @Override
        public void onGlobalLayout() {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
                getViewTreeObserver().removeOnGlobalLayoutListener(this);
            } else {
                getViewTreeObserver().removeGlobalOnLayoutListener(this);
            }
            startWithFixedWidth(notice, inAnimResId, outAnimResID);
        }
    });
}