asteriskServer.addAsteriskServerListener(new AsteriskListenerInit());//服务属性监听会自动连接服务 实现AsteriskServerListener,PropertyChangeListener,对服务的通道,用户,队列,语音室所有属性改变 public class AsteriskListenerInit implements AsteriskServerListener,PropertyChangeListener{ @O
1.在流量网页,时实现断网,提醒等功能. 需要权限 <uses-permission android:name="android.permission.INTERNET"/> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/> 2.注册一个BroadcastReceiver来接受网络状态的变化 public class NetworkChange
function domChange(domId, callback) { // select the target node var target = document.getElementById(domId); // create an observer instance var observer = new MutationObserver(function (mutations) { mutations.forEach(function (mutation) { callback();