Set the View's background. Masks the API changes made in Jelly Bean.

Set done icon drawable @param drawable Done icon drawable

* Trim possible empty head/tail text and comment * nodes inside a parent. * * @param {Node} node

* Guard text output, make sure undefined outputs * empty string * * @param {*} value * @return {String}

* "clean" a getter/setter converted object into a plain * object copy. * * @param {Object} - obj * @return {Object}

Closes the camera driver if still in use.

* String contain helper * * @param {*} val * @param {String} search

* Extract raw content inside an element into a temporary * container div * * @param {Element} el * @param {Boolean} asFragment * @retur

Get stepper adapter @return Stepper Adapter

* Get the track by key for an item. * * @param {Number} index * @param {String} key * @param {*} value * @param {String} [trackByKey]

Makes the <b>FloatingActionButton</b> to disappear and sets its visibility to {@link #INVISIBLE} @param animate if true - plays "hide animation"

Remove the controller from the screen.

* Manual indexOf because it's slightly faster than * native. * * @param {Array} arr * @param {*} obj

将整数值进行右移位操作（>>） 右移24位，右移时高位补0，得到的数字即为第一段IP 右移16位，右移时高位补0，得到的数字即为第二段IP 右移8位，右移时高位补0，得到的数字即为第三段IP 最后一段的为第四段IP @param i @return String

判断当前网络是否是wifi局域网 @param context @return

* Linker functions return an unlink function that * tearsdown all directives instances generated during * the process. * * We create unlin

* Map a function to a range of nodes . * * @param {Node} node * @param {Node} end * @param {Function} op

* Merge two option objects into a new one. * Core utility used in both instantiation and inheritance. * * @param {Object} parent * @param