import cn.bingoogolapple.badgeview.BGABadgeable; //导入依赖的package包/类
private void updateNewRequestBadge() {
    BGABadgeable radioButton = mLayout.getRadioBtn(2);
    if (FriendsManager.getInstance().hasUnreadRequests()) {
        radioButton.showCirclePointBadge();
    }else {
        radioButton.hiddenBadge();
    }
}
 

import cn.bingoogolapple.badgeview.BGABadgeable; //导入依赖的package包/类
/**
 * 设置徽章销毁时的回调事件
 *
 * @param index    Tab的索引
 * @param listener 回调事件
 */
@Override
public void setOnDismissListener(int index, final OnDismissBadgeListener listener) {
    getTabByIndex(index).setDragDismissDelegage(new BGADragDismissDelegate() {
        @Override
        public void onDismiss(BGABadgeable badgeable) {
            if (null != listener) {
                listener.onDismiss();
            }
        }
    });
}