我不得不安装gem，建议使用-r switch。如果您使用帮助或谷歌，它会为您提供主题内容。但它真正意味着什么？它限制到远程域的哪种操作？什么是远程域名？下载宝石的那个？
示例：
gem install -r log4r
答案 0 :(得分：0)
Gems可以从本地文件（remote domain扩展名）安装，也可以从服务器（-l）下载。
默认情况下，它将首先在当前目录中搜索，然后从服务器下载。
您有2个命令行选项来控制它：
-r强制从本地文件
public class XMPPService extends Service {
XMPPTCPConnection connection;
String USERNAME;
String PASSWORD;
public XMPPService() {
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
onHandleIntent();
return START_STICKY;
}
private void onHandleIntent() {
connection = XMPPClient.getConnection();
connection.addConnectionListener(
new AbstractConnectionListener() {
public void connectionClosed() {
Log.i("connection", "closed");
}
public void connectionClosedOnError(Exception e) {
Log.i("connection", "closed on error");
}
public void reconnectionFailed(Exception e) {
Log.i("reconnection", "failed");
}
public void reconnectionSuccessful() {
if (connection.isAuthenticated()) {
Log.i("isauthenticauted : ", String.valueOf(connection.isAuthenticated()));
Log.i("reconnection", "succesful");
} else {
try {
connection.login(USERNAME, PASSWORD);
} catch (XMPPException e) {
e.printStackTrace();
} catch (SmackException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
Log.i("reconnection", "succesful");
}
}
public void reconnectingIn(int seconds) {
Log.i("reconnectingIn", String.valueOf(seconds));
}
}
);
}
@Override
public void onCreate() {
Log.i("service", "created");
}
@Override
public IBinder onBind(Intent intent) {
// TODO: Return the communication channel to the service.
throw new UnsupportedOperationException("Not yet implemented");
}
强行下载