import org.whispersystems.signalservice.api.SignalServiceMessagePipe; //导入依赖的package包/类
private void sendSyncMessage(SignalServiceSyncMessage message)
        throws IOException, UntrustedIdentityException {
    SignalServiceMessageSender messageSender = new SignalServiceMessageSender(serviceUrls, localIdentity.getToshiId(), localIdentity.getPassword(), signalProtocolStore, USER_AGENT, Optional.<SignalServiceMessagePipe>absent(), Optional.<SignalServiceMessageSender.EventListener>absent());
    try {
        messageSender.sendMessage(message);
    } catch (UntrustedIdentityException e) {
        // TODO: save that this is untrusted?
        throw e;
    }
}
 

import org.whispersystems.signalservice.api.SignalServiceMessagePipe; //导入依赖的package包/类
private void shutdown(SignalServiceMessagePipe pipe) {
  try {
    pipe.shutdown();
  } catch (Throwable t) {
    Log.w(TAG, t);
  }
}
 

import org.whispersystems.signalservice.api.SignalServiceMessagePipe; //导入依赖的package包/类
private SignalServiceProfile retrieveProfile(@NonNull String number) throws IOException {
  SignalServiceMessagePipe pipe = MessageRetrievalService.getPipe();

  if (pipe != null) {
    try {
      return pipe.getProfile(new SignalServiceAddress(number));
    } catch (IOException e) {
      Log.w(TAG, e);
    }
  }

  return receiver.retrieveProfile(new SignalServiceAddress(number));
}
 

import org.whispersystems.signalservice.api.SignalServiceMessagePipe; //导入依赖的package包/类
public static @Nullable SignalServiceMessagePipe getPipe() {
  return pipe;
}