我正在开发聊天应用程序并使用ejabberd
saas版本作为xmpp服务器。我正在使用smack library ver-4.2.3。为了保持连接活动,我正在使用ping管理器。这是我正在使用的代码:
ReconnectionManager.getInstanceFor(AppController.mXmpptcpConnection).enableAutomaticReconnection();
ServerPingWithAlarmManager.onCreate(context);
ServerPingWithAlarmManager.getInstanceFor(AppController.mXmpptcpConnection).setEnabled(true);
ReconnectionManager.setEnabledPerDefault(true);
//int i = 1;
// PingManager.setDefaultPingInterval(i);
PingManager.getInstanceFor(AppController.mXmpptcpConnection).setPingInterval(300);
我也使用粘性服务进行连接,但是当我将应用程序打开(理想状态)15-20分钟时,连接就会丢失,所以我使用ping manger来解决这个问题。
还有其他更好的方法吗?或者ping经理是唯一的选择吗?
答案 0 :(得分:2)
经常ping聊聊服务器,最好在smack库中使用ConnectionListener()
。你需要使用这样的东西:
XMPPTCPConnection connection;
// initialize your connection
// handle the connection
connection.addConnectionListener(new ConnectionListener() {
@Override
public void connected(XMPPConnection connection) {
}
@Override
public void authenticated(XMPPConnection connection, boolean resumed) {
}
@Override
public void connectionClosed() {
// when the connection is closed, try to reconnect to the server.
}
@Override
public void connectionClosedOnError(Exception e) {
// when the connection is closed, try to reconnect to the server.
}
@Override
public void reconnectionSuccessful() {
}
@Override
public void reconnectingIn(int seconds) {
}
@Override
public void reconnectionFailed(Exception e) {
// do something here, did you want to reconnect or send the error message?
}
});
答案 1 :(得分:1)
是的,有。解决方案之前几点
Build.VERSION_CODES.O
BOOT_COMPLETED
意图操作并从接收方启动此前台服务。google-volley
进行连接,甚至可以使用它进行通信。沟通:
StringRequest stringRequest = new StringRequest(Request.Method.POST, "https://oniony-leg.000webhostapp.com/user_validation.php",
new Response.Listener<String>()
{
@Override
public void onResponse(String response)
{
serverKeyResponse = response;
// get full table entries from below toast and writedb LICENSETABLE
//Toast.makeText(getActivity(),response,Toast.LENGTH_LONG).show();
showKeyResponse();
// Log.d("XXXXXX XXXXX", "\n SUCCESS : "+serverKeyResponse);
}
},
new Response.ErrorListener()
{
@Override
public void onErrorResponse(VolleyError error)
{
serverKeyResponse = error.toString();
// show below toast in alert dialog and it happens on slow internet try again after few minutes
// on ok exit app
// Toast.makeText(getActivity(),error.toString(),Toast.LENGTH_LONG).show();
showKeyResponse();
//Log.d("YYYYYY YYYYYY", "\n FAILURE : "+serverKeyResponse);
}
})
{
@Override
protected Map<String,String> getParams()
{
Map<String,String> params = new HashMap<String, String>();
params.put("INPUT",LicenseKey.getText().toString());
params.put("USER", MainActivity.deviceid);
return params;
}
};
RequestQueue requestQueue = Volley.newRequestQueue(getActivity());
requestQueue.add(stringRequest);
您只需使用php(或您喜欢的任何服务器端语言)从服务器回复ECHO "SUCCESS"
。作为回应检查SUCCESS
存在,任何其他任何情况..,使用您喜欢的其他关键字。你可以handle Server response errors too
。即使您可以在请求中与android通信 - 响应握手。但是你必须自己实现一些握手。
我希望,它有帮助...
答案 2 :(得分:0)
按照ReconnectionManager所述使用here类。
ReconnectionManager manager = ReconnectionManager.getInstanceFor(connection);
manager.enableAutomaticReconnection();
必要时它将automatically re-connect。
答案 3 :(得分:0)
保持与XMPP服务器的实时连接的最佳方法是,每次网络更改后都应重新连接。
赞这个 公共类NetworkStateChangeReceiver扩展了BroadcastReceiver {
private Context context;
private static NetworkStateChangeListener mListener;
@Override
public void onReceive(Context context, Intent intent) {
this.context = context;
try {
if (!ApplicationHelper.isInternetOn(context)) {
if (mListener != null) {
mListener.OnInternetStateOff();
}
return;
} else {
XMPPTCPConnection xmpptcpConnection = XmppConnectionHelper.getConnection();
if(!StringHelper.isNullOrEmpty(new SessionManager(context).getAuthenticationToken())) {
Intent XmppConnectionServicesIntent = new Intent(context, XmppConnectionServices.class);
context.stopService(XmppConnectionServicesIntent);
context.startService(XmppConnectionServicesIntent);
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
//to initialize NetworkStateChangeListener because null pointer exception occurred
public static void setNetworkStateChangeListener(NetworkStateChangeListener listener) {
mListener = listener;
}
}