added UDP packet transmitter

res/values/arrays.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string-array name="p_conntype_e">
+        <item>UDP port 8080</item>
+        <item>HTTP POST</item>
+    </string-array>
+    
+    <string-array name="p_conntype_ev">
+        <item>udp</item>
+        <item>http</item>
+    </string-array>
+
+</resources>

res/values/strings.xml

@@ -14,6 +14,9 @@
 <string name="p_passcode_summary">APRS-IS validation passcode</string>
 <string name="p_passcode_entry">Enter the passcode for your call</string>
 <string name="p__network">Networking</string>
+<string name="p_conntype">Connection Protocol</string>
+<string name="p_conntype_summary">Choose UDP (port 8080) or HTTP POST (URL)</string>
+<string name="p_conntype_entry">Choose the connection protocol</string>
 <string name="p_host">Server</string>
 <string name="p_host_summary">APRS-IS server (port 8080) to send beacons</string>
 <string name="p_host_entry">Enter the APRS-IS server hostname</string>

src/de/duenndns/aprsdroid/AprsService.scala

@@ -64,7 +64,10 @@ class AprsService extends Service with LocationListener {
 		i.putExtra(LOCATION, location)
 		val packet = AprsPacket.formatLoc(prefs.getString("callsign", null), location)
 		try {
-			new AprsHttpPost(prefs).update(packet)
+			if (prefs.getString("conntype", "udp") == "udp")
+				new AprsUdp(prefs).update(packet)
+			else
+				new AprsHttpPost(prefs).update(packet)
 			i.putExtra(PACKET, packet)
 		} catch {
 			case e : Exception => i.putExtra(PACKET, e.getMessage())

src/de/duenndns/aprsdroid/AprsUdp.scala

@@ -0,0 +1,28 @@
+package de.duenndns.aprsdroid
+
+import _root_.android.content.SharedPreferences
+import _root_.android.location.Location
+import _root_.android.preference.PreferenceManager
+import _root_.android.util.Log
+import _root_.java.net.{InetAddress, DatagramSocket, DatagramPacket}
+
+class AprsUdp(prefs : SharedPreferences) extends AprsIsUploader(prefs) {
+	val TAG = "AprsUdp"
+	lazy val socket = new DatagramSocket()
+
+	def start() {
+	}
+
+	def update(packet : String) {
+		val login = "user " + prefs.getString("callsign", null) +
+			" pass " + prefs.getString("passcode", null) + " vers APRSdroid beta"
+		var hostname = prefs.getString("host", null)
+		val addr = InetAddress.getByName(hostname)
+		val pbytes = (login + "\r\n" + packet + "\r\n").getBytes()
+		socket.send(new DatagramPacket(pbytes, pbytes.length, addr, 8080))
+		Log.d(TAG, "update(): sent " + packet + " to " + hostname)
+	}
+
+	def stop() {
+	}
+}