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Android™

Send a Wake-on-LAN Magic Packet

See more Socket/SSL/TLS Examples

Demonstrates Socket.SendWakeOnLan, which sends a Wake-on-LAN magic packet for a MAC address to a UDP broadcast address and port.

Background. The MAC address is six bytes written as hexadecimal. Wake-on-LAN wakes a powered-down machine on the local network that has the feature enabled.

Chilkat Android™ Downloads

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();

    //  Send a Wake-on-LAN magic packet to wake a machine by its MAC address.  The MAC is six bytes
    //  written as hexadecimal, and the packet is sent to the UDP broadcast address and port.
    success = socket.SendWakeOnLan("000102030405",9,"255.255.255.255");
    if (success == false) {
        Log.i(TAG, socket.lastErrorText());
        return;
        }

    Log.i(TAG, "Wake-on-LAN packet sent.");

  }

  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."
  }
}