blob: 21ea88374e0969ff62a21a272bdc152290dc0d47 (
plain)
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
70
71
72
73
74
75
|
package cgeo.geocaching;
import cgeo.geocaching.compatibility.Compatibility;
import android.app.Activity;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
public class cgDirection {
private cgDirection dir = null;
private Context context = null;
private SensorManager sensorManager = null;
private cgeoSensorListener sensorListener = null;
private cgUpdateDir dirUpdate = null;
public Float directionNow = null;
public cgDirection(Context contextIn, cgUpdateDir dirUpdateIn) {
context = contextIn;
dirUpdate = dirUpdateIn;
sensorListener = new cgeoSensorListener();
}
public void initDir() {
dir = this;
if (sensorManager == null) {
sensorManager = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);
}
sensorManager.registerListener(sensorListener, sensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION), SensorManager.SENSOR_DELAY_NORMAL);
}
public void closeDir() {
if (sensorManager != null && sensorListener != null) {
sensorManager.unregisterListener(sensorListener);
}
}
public void replaceUpdate(cgUpdateDir dirUpdateIn) {
dirUpdate = dirUpdateIn;
if (dirUpdate != null && directionNow != null) {
dirUpdate.updateDir(dir);
}
}
private class cgeoSensorListener implements SensorEventListener {
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {
/*
* There is a bug in Android, which appearently causes this method to be called every
* time the sensor _value_ changed, even if the _accuracy_ did not change. So logging
* this event leads to the log being flooded with multiple entries _per second_,
* which I experienced when running cgeo in a building (with GPS and network being
* unreliable).
*
* See for example https://code.google.com/p/android/issues/detail?id=14792
*/
//Log.i(cgSettings.tag, "Compass' accuracy is low (" + accuracy + ")");
}
@Override
public void onSensorChanged(SensorEvent event) {
directionNow = Compatibility.getDirectionNow(event.values[0], (Activity) context);
if (dirUpdate != null && directionNow != null) {
dirUpdate.updateDir(dir);
}
}
}
}
|
