From c2c1e4c5aad74a7fbca5c281f9d8ea2d0ba99ad3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kjetil=20=C3=98rbekk?= <kjetil.orbekk@gmail.com>
Date: Thu, 26 Jan 2012 15:57:57 +0100
Subject: Add Discovery service.

DiscoveryService listens to UDP broadcasts.
---
 .../com/orbekk/discovery/DiscoveryService.java     | 76 ++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 same-android/src/main/java/com/orbekk/discovery/DiscoveryService.java

(limited to 'same-android/src/main/java/com/orbekk/discovery/DiscoveryService.java')

diff --git a/same-android/src/main/java/com/orbekk/discovery/DiscoveryService.java b/same-android/src/main/java/com/orbekk/discovery/DiscoveryService.java
new file mode 100644
index 0000000..e9aac5f
--- /dev/null
+++ b/same-android/src/main/java/com/orbekk/discovery/DiscoveryService.java
@@ -0,0 +1,76 @@
+package com.orbekk.discovery;
+
+import java.net.DatagramPacket;
+
+import android.app.Service;
+import android.content.Intent;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.Message;
+import android.widget.Toast;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class DiscoveryService extends Service {
+    private Logger logger = LoggerFactory.getLogger(getClass());
+    private Thread thread = null;
+    
+    public final class DiscoveryThread extends Thread {
+        Broadcast broadcast;
+        
+        public DiscoveryThread() {
+            broadcast = new Broadcast(DiscoveryService.this);
+        }
+        
+        @Override public void run() {
+            while (!Thread.interrupted()) {
+                byte[] data = new byte[1024];
+                DatagramPacket packet = broadcast.receiveBroadcast(15066);
+                String content = new String(packet.getData(), 0, packet.getLength());
+                Message message = Message.obtain();
+                message.obj = content;
+                toastHandler.sendMessage(message);
+            }
+        }
+        
+        @Override public void interrupt() {
+            super.interrupt();
+            broadcast.interrupt();
+        }
+    }
+    
+    private Handler toastHandler = new Handler() {
+        @Override public void handleMessage(Message message) {
+            Toast.makeText(DiscoveryService.this,
+                    (String)message.obj, Toast.LENGTH_SHORT)
+                            .show();
+            logger.info("Display toast: {}", (String)message.obj);
+        }
+    };
+    
+    @Override
+    public IBinder onBind(Intent intent) {
+        return null;
+    }
+    
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        Toast.makeText(this, "service start: " + intent.getAction(),
+                Toast.LENGTH_SHORT).show();
+        if (thread == null) {
+            synchronized (this) {
+                thread = new DiscoveryThread();
+                thread.start();
+            }
+        }
+        return START_STICKY;
+    }
+    
+    @Override
+    public void onDestroy() {
+        Toast.makeText(this, "service stopped", Toast.LENGTH_SHORT).show();
+        thread.interrupt();
+    }
+
+}
-- 
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