(Android™) Send Bytes on a Socket Connection

Demonstrates how to send a mixture of binary (non-text) and text bytes on a socket connection.

Chilkat Android™ Downloads Android™ Java Libraries Android C/C++ Libraries

// 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);

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkSocket socket = new CkSocket();

    // Connect to some host:port
    boolean ssl = false;
    int maxWaitMillisec = 20000;
    int port = 5555;
    boolean success = socket.Connect("test.com",port,ssl,maxWaitMillisec);
    if (success != true) {
        Log.i(TAG, socket.lastErrorText());
        return;
        }

    // We wish to send a 0x00 byte followed by the us-ascii string "10800"
    CkBinData bd = new CkBinData();

    bd.AppendByte(0);
    bd.AppendString("10800","utf-8");

    // Send the entire contents of bd.
    success = socket.SendBd(bd,0,0);
    if (success != true) {
        Log.i(TAG, socket.lastErrorText());
        return;
        }


  }

  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."
  }
}