blob: c379d3d84af153f77bd68f32eb5866d62eea4c52 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
package org.altusmetrum.AltosDroid;
import org.altusmetrum.altoslib_11.*;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Environment;
public class TelemetryLogger {
private Context context = null;
private AltosLink link = null;
private AltosLog logger = null;
private BroadcastReceiver mExternalStorageReceiver;
public TelemetryLogger(Context in_context, AltosLink in_link) {
context = in_context;
link = in_link;
startWatchingExternalStorage();
}
public void stop() {
stopWatchingExternalStorage();
close();
}
private void close() {
if (logger != null) {
AltosDebug.debug("Shutting down Telemetry Logging");
logger.close();
logger = null;
}
}
void handleExternalStorageState() {
String state = Environment.getExternalStorageState();
if (Environment.MEDIA_MOUNTED.equals(state)) {
if (logger == null) {
AltosDebug.debug("Starting up Telemetry Logging");
logger = new AltosLog(link);
}
} else {
AltosDebug.debug("External Storage not present - stopping");
close();
}
}
void startWatchingExternalStorage() {
mExternalStorageReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
handleExternalStorageState();
}
};
IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_MEDIA_MOUNTED);
filter.addAction(Intent.ACTION_MEDIA_REMOVED);
context.registerReceiver(mExternalStorageReceiver, filter);
handleExternalStorageState();
}
void stopWatchingExternalStorage() {
context.unregisterReceiver(mExternalStorageReceiver);
}
}
|
