Returns the size of the list that contains Parent and Child objects @return integer value of the size of the Parent/Child list

Returns the type of view that the item at the given position is. @param position @return TYPE_PARENT (0) for ParentObjects and TYPE_CHILD (1) for Chi

得到两个Date间的时间间隔 以分钟、小时等自动智能显示 如 1’30 是 endtime - starttime + 1min @param startTime @param endTime

得到两个Date间的时间间隔 以分钟、小时等自动智能显示 是 endtime - starttime + 1min @param startTime @param endTime

两个字节 @param num 数值 @return byte[]

判断有无网络正在连接中（查找网络、校验、获取IP等）。 @param context @return boolean 不管wifi，还是mobile net，只有当前在连接状态（可有效传输数据）才返回true,反之false。

是否存在有效的移动连接 @param context @return boolean

<p>Checks if two date objects are on the same day ignoring time.</p> <p/> <p>28 Mar 2002 13:45 and 28 Mar 2002 06:01 would return true. 28 Mar 2002 13

是否存在有效的WIFI连接

OnBindViewHolder implementation for child items. Any data or view modifications of the child view should be performed here. @param childViewHolder th

OnBindViewHolder implementation for parent items. Any data or view modifications of the parent view should be performed here. @param parentViewHolder

Override of RecyclerView's default onBindViewHolder This implementation determines first if the ViewHolder is a ParentViewHolder or a ChildViewHolder

如果通过BleService扫描设备,回调方法 @param device Identifies the remote device @param rssi The RSSI value for the remote device as reported by the

@param scanState Error code (one of SCAN_FAILED_ ) for scan failure.