cda35f1ddd0e6ae6f17238c61669ddbab8c36602
[fw/altos] / altosdroid / src / org / altusmetrum / AltosDroid / AltosDroidPreferences.java
1 /*
2  * Copyright © 2014 Keith Packard <keithp@keithp.com>
3  *
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.
7  *
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.
12  *
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.
16  */
17 package org.altusmetrum.AltosDroid;
18
19 import android.content.Context;
20 import org.altusmetrum.altoslib_7.*;
21
22 public class AltosDroidPreferences extends AltosPreferences {
23
24         /* Active device preference name */
25         final static String activeDeviceAddressPreference = "ACTIVE-DEVICE-ADDRESS";
26         final static String activeDeviceNamePreference = "ACTIVE-DEVICE-NAME";
27
28         static DeviceAddress    active_device_address;
29
30         public static void init(Context context) {
31                 if (backend != null)
32                         return;
33
34                 AltosPreferences.init(new AltosDroidPreferencesBackend(context));
35
36                 String address = backend.getString(activeDeviceAddressPreference, null);
37                 String name = backend.getString(activeDeviceNamePreference, null);
38
39                 if (address != null && name != null)
40                         active_device_address = new DeviceAddress (address, name);
41         }
42
43         public static void set_active_device(DeviceAddress address) {
44                 synchronized(backend) {
45                         active_device_address = address;
46                         backend.putString(activeDeviceAddressPreference, active_device_address.address);
47                         backend.putString(activeDeviceNamePreference, active_device_address.name);
48                         flush_preferences();
49                 }
50         }
51
52         public static DeviceAddress active_device() {
53                 synchronized(backend) {
54                         return active_device_address;
55                 }
56         }
57 }