2 * Copyright © 2012 Mike Beattie <mike@ethernal.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
18 package org.altusmetrum.AltosDroid;
20 import java.util.ArrayList;
21 import java.util.concurrent.LinkedBlockingQueue;
23 import android.app.Notification;
24 import android.app.NotificationManager;
25 import android.app.PendingIntent;
26 import android.app.Service;
27 import android.bluetooth.BluetoothDevice;
28 import android.content.Intent;
29 import android.os.IBinder;
30 import android.os.Handler;
31 import android.os.Message;
32 import android.os.Messenger;
33 import android.util.Log;
34 import android.widget.Toast;
36 // Need the following import to get access to the app resources, since this
37 // class is in a sub-package.
38 //import org.altusmetrum.AltosDroid.R;
40 import org.altusmetrum.AltosLib.*;
42 public class TelemetryService extends Service {
44 private static final String TAG = "TelemetryService";
45 private static final boolean D = true;
47 static final int MSG_REGISTER_CLIENT = 1;
48 static final int MSG_UNREGISTER_CLIENT = 2;
49 static final int MSG_CONNECT_TELEBT = 3;
51 public static final int STATE_NONE = 0;
52 public static final int STATE_READY = 1;
53 public static final int STATE_CONNECTING = 2;
54 public static final int STATE_CONNECTED = 3;
56 // Unique Identification Number for the Notification.
57 // We use it on Notification start, and to cancel it.
58 private int NOTIFICATION = R.string.telemetry_service_label;
59 private NotificationManager mNM;
61 ArrayList<Messenger> mClients = new ArrayList<Messenger>(); // Keeps track of all current registered clients.
62 final Messenger mMessenger = new Messenger(new IncomingHandler()); // Target we publish for clients to send messages to IncomingHandler.
64 // Name of the connected device
65 private String mConnectedDeviceName = null;
66 private AltosBluetooth mAltosBluetooth = null;
68 LinkedBlockingQueue<AltosLine> telem;
70 // Handler of incoming messages from clients.
71 class IncomingHandler extends Handler {
73 public void handleMessage(Message msg) {
75 case MSG_REGISTER_CLIENT:
76 mClients.add(msg.replyTo);
77 if (D) Log.d(TAG, "Client bound to service");
79 case MSG_UNREGISTER_CLIENT:
80 mClients.remove(msg.replyTo);
81 if (D) Log.d(TAG, "Client unbound from service");
83 case MSG_CONNECT_TELEBT:
84 if (D) Log.d(TAG, "Connect command received");
86 TeleBT_start((BluetoothDevice) msg.obj);
89 super.handleMessage(msg);
94 private void TeleBT_stop() {
95 if (mAltosBluetooth != null) {
96 mAltosBluetooth.close();
97 mAltosBluetooth = null;
102 private void TeleBT_start(BluetoothDevice d) {
103 mAltosBluetooth = new AltosBluetooth(d);
104 mAltosBluetooth.add_monitor(telem);
108 public void onCreate() {
109 // Create a reference to the NotificationManager so that we can update our notifcation text later
110 mNM = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
114 public int onStartCommand(Intent intent, int flags, int startId) {
115 Log.i("TelemetryService", "Received start id " + startId + ": " + intent);
117 CharSequence text = getText(R.string.telemetry_service_started);
119 // Create notification to be displayed while the service runs
120 Notification notification = new Notification(R.drawable.am_status_c, text, 0);
122 // The PendingIntent to launch our activity if the user selects this notification
123 PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
124 new Intent(this, AltosDroid.class), 0);
126 // Set the info for the views that show in the notification panel.
127 notification.setLatestEventInfo(this, getText(R.string.telemetry_service_label), text, contentIntent);
129 // Set the notification to be in the "Ongoing" section.
130 notification.flags |= Notification.FLAG_ONGOING_EVENT;
132 // Move us into the foreground.
133 startForeground(NOTIFICATION, notification);
135 // We want this service to continue running until it is explicitly
136 // stopped, so return sticky.
141 public void onDestroy() {
143 // Stop the bluetooth Comms threads
146 // Demote us from the foreground, and cancel the persistent notification.
147 stopForeground(true);
149 // Tell the user we stopped.
150 Toast.makeText(this, R.string.telemetry_service_stopped, Toast.LENGTH_SHORT).show();
154 public IBinder onBind(Intent intent) {
155 return mMessenger.getBinder();