如果异常类型是TApplicationException，并且异常原因是missing_result，那么可以返回null。否则，应该继续向上...
程序直接闪退,运行日志如下: java.lang.RuntimeException:Unable to start activity ComponentInfo{com.example.musicbaidu/com.example.musicbaidu.MainActivity}: java.lang.IllegalArgumentException: connection is null 这个错误的意思是说在bindService()里缺少一个“ServiceConnection的实现对象”参数 connection is null!
private HttpURLConnection getConnection(HttpMsg msg) throws Throwable { String url = msg.getUrl(); HttpURLConnection conn = null; String defaultHost = Proxy.getDefaultHost(); int defaultPort = Proxy.getDefaultPort(); URL hostUrl = null; ConnectivityManager connectivityManager = (ConnectivityManager)...
如果在关闭数据库后尝试另一个操作，则exception.Becausedb.close();将释放对该对象的引用，如果释放了...
现在要获取ip地址，请转到命令提示符，键入ipconfig，您将找到ip地址。在上面的代码中，输入ip地址，而...
connection =null; isSuccess =false; } } 1. 通过 bindService() 开启服务 onCreate()、onBind() 两个方法在服务第一次开启的时候,被依次执行。 再次操作bindService的话,不会有什么方法被执行。若要使用该方式开启服务的话,建议获取绑定后的状态,若成功则不再操作绑定。
代码:String quakeFeed = getString(R.string.quake_feed);url = new URL(quakeFeed);URLConnection connection;connection = url.openConnection();HttpURLConnection httpConnection = (HttpURLConnection)connection;int responseCode = httpConnection.getResponseCode();修改:Thread t = new Thread(new...
sdk.demo W/LK-core-PersistentEventDispatch: mqtt disconnected, method = [null], content = [null], errorCode = [32109], message = [Connection lost,Connectionlost(32109)- javax.net.ssl.SSLException: Read error: ssl=0x7dbe00f708: I/O error during system call, Software caused connection ...
=null&&cpr.canRunHere(r)) {// This provider has been published or is in the process// of being published... but it is also allowed to run// in the caller's process, so don't make a connection// and just let the caller instantiate its own instance.holder=cpr.newHolder(null);//...
一、查看当前手机的网络状态,需要获取ConnectionManager ConnectionManager方式 /** * 判断当前是否有网络连接,但是如果该连接的网络无法上网,也会返回true * @param mContext * @return */publicstaticbooleanisNetConnection(ContextmContext){if(mContext!=null){ConnectivityManagerconnectivityManager=(ConnectivityManager)...