If the start / end trim are offset to begin with, store them so that animation starts from that offset.

将十六进制字符转换成一个整数 @param ch 十六进制char @param index 十六进制字符在字符数组中的位置 @return 一个整数 @throws RuntimeException 当ch不是一个合法的十六进制

enable notify or disable notify

Collapses the parent with the specified index in the list of parents. @param parentIndex The index of the parent to expand

when device is range, directly connect

将字节数组转换为十六进制字符数组 @param data byte[] @return 十六进制char[]

Expands the parent with the specified index in the list of parents. @param parentIndex The index of the parent to expand

Generates a HashMap for storing expanded state when activity is rotated or onResume() is called. @param itemList @return HashMap containing the Paren

Returns the helper item held at the adapter position @param parentPosition the index of the parent item to return @return Object at that index, may b

Proceed to the next available ring color. This will automatically wrap back to the beginning of colors.

判断有无可用状态的移动网络，注意关掉设备移动网络直接不影响此函数。 也就是即使关掉移动网络，那么移动网络也可能是可用的(彩信等服务)，即返回true。 以下情况它是不可用的，将返回false： 1. 设备打开飞行模式； 2. 设备所在区域没有信号覆盖； 3. 设备在漫游区域，且关闭了网络漫游。

设备是否打开移动网络开关 @param context @return boolean 打开移动网络返回true，反之false

判断是否有可用状态的Wifi，以下情况返回false： 1. 设备wifi开关关掉; 2. 已经打开飞行模式； 3. 设备所在区域没有信号覆盖； 4. 设备在漫游区域，且关闭了网络漫游。 @param context @return boolean wifi为可用状态（不一定成功连接，即C

Binds the data to the ChildViewHolder. Called from onBindViewHolder when the item is a ChildObject @param childViewHolder @param position

Binds the data to the ParentViewHolder. Called from onBindViewHolder when the item is a ParentObject @param parentViewHolder @param position

Creates the Child ViewHolder. Called from onCreateViewHolder when the item is a ChildObject. @param childViewGroup @return ChildViewHolder that the u

Creates the Parent ViewHolder. Called from onCreateViewHolder when the item is a ParenObject. @param parentViewGroup @return ParentViewHolder that th

Clears the device cache.

Set the dimensions of the arrowhead. @param width Width of the hypotenuse of the arrow head @param height Height of the arrow point

@param centerRadius Inner radius in px of the circle the progress spinner arc traces.

Setter method for the list of children associated with this parent object @param childObjectList the list of all children associated with this parent

Set the colors used in the progress animation from color resources. The first color will also be the color of the bar that grows in response to a user

@param strokeWidth Set the stroke width of the progress spinner in pixels.