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Android™

Receive a Line Terminated by CRLF

See more Socket/SSL/TLS Examples

Demonstrates Socket.ReceiveToCRLF, which receives text through a CRLF line terminator and returns the text including the terminator.

Background. Chilkat encodes CR followed by LF using StringCharset and searches the incoming byte stream for that exact sequence. This is convenient for line-oriented text protocols.

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Android™
// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    boolean success = false;

    CkSocket socket = new CkSocket();

    //  Connect to the server using TLS.  The 3rd argument enables the TLS handshake after the TCP
    //  connection succeeds; the 4th is the maximum time to wait, in milliseconds.
    boolean bTls = true;
    int maxWaitMs = 5000;
    success = socket.Connect("example.com",5000,bTls,maxWaitMs);
    if (success == false) {
        Log.i(TAG, socket.lastErrorText());
        return;
        }

    //  StringCharset controls the character encoding used when sending and receiving text.
    socket.put_StringCharset("utf-8");
    //  Send a request using a simple application-defined text protocol in which each message ends with a
    //  CRLF.
    String command = "STATUS\r\n";
    success = socket.SendString(command);
    if (success == false) {
        Log.i(TAG, socket.lastErrorText());
        return;
        }

    //  Receive text through a CRLF line terminator, returning the text including the terminator.  This is
    //  convenient for line-oriented text protocols in which each response is a CRLF-terminated line.
    String responseLine = socket.receiveToCRLF();
    if (socket.get_LastMethodSuccess() == false) {
        Log.i(TAG, socket.lastErrorText());
        return;
        }

    Log.i(TAG, responseLine);

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}