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Add and use new LocationHelper

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This commit is contained in:
mar-v-in 2014-03-07 17:38:00 +01:00
parent 6fc0e2d634
commit 2165785346
4 changed files with 63 additions and 13 deletions
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56
api/src/org/microg/nlp/api/LocationHelper.java Normal file
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@ -0,0 +1,56 @@
package org.microg.nlp.api;
import android.location.Location;
import java.util.Collection;
public final class LocationHelper {
private LocationHelper() {
}
public static Location create(String source) {
return new Location(source);
}
public static Location create(String source, double latitude, double longitude, float accuracy) {
Location location = create(source);
location.setLatitude(latitude);
location.setLongitude(longitude);
location.setAccuracy(accuracy);
return location;
}
public static Location create(String source, double latitude, double longitude, double altitude, float accuracy) {
Location location = create(source, latitude, longitude, accuracy);
location.setAltitude(altitude);
return location;
}
public static Location average(String source, Collection<Location> locations) {
if (locations == null || locations.size() == 0) {
return null;
}
int num = locations.size();
double latitude = 0;
double longitude = 0;
float accuracy = 0;
int altitudes = 0;
double altitude = 0;
for (Location value : locations) {
if (value != null) {
latitude += value.getLatitude();
longitude += value.getLongitude();
accuracy += value.getAccuracy();
if (value.hasAltitude()) {
altitude += value.getAltitude();
altitudes++;
}
}
}
if (altitudes > 0) {
return create(source, latitude / num, longitude / num, altitude / altitudes, accuracy / num);
} else {
return create(source, latitude / num, longitude / num, accuracy / num);
}
}
}

8
sample/src/org/microg/nlp/api/sample/SampleBackendService.java
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@ -3,20 +3,18 @@ package org.microg.nlp.api.sample;
import android.location.Location;
import android.util.Log;
import org.microg.nlp.api.LocationBackendService;
import org.microg.nlp.api.LocationHelper;
public class SampleBackendService extends LocationBackendService {
private static final String TAG = SampleBackendService.class.getName();
@Override
protected Location update() {
if (System.currentTimeMillis()%60000>2000) {
if (System.currentTimeMillis() % 60000 > 2000) {
Log.d(TAG, "I decided not to answer now...");
return null;
}
Location location = new Location("sample");
location.setLatitude(42);
location.setLongitude(42);
location.setAccuracy(42);
Location location = LocationHelper.create("sample", 42, 42, 42);
Log.d(TAG, "I was asked for location and I answer: " + location);
return location;
}

6
sample/src/org/microg/nlp/api/sample/SecondSampleService.java
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@ -3,16 +3,14 @@ package org.microg.nlp.api.sample;
import android.location.Location;
import android.util.Log;
import org.microg.nlp.api.LocationBackendService;
import org.microg.nlp.api.LocationHelper;
public class SecondSampleService extends LocationBackendService {
private static final String TAG = SecondSampleService.class.getName();
@Override
protected Location update() {
Location location = new Location("second-sample");
location.setLatitude(13);
location.setLongitude(13);
location.setAccuracy((System.currentTimeMillis() / 1000) % 100);
Location location = LocationHelper.create("second-sample", 13, 13, (System.currentTimeMillis() / 1000) % 100);
Log.d(TAG, "I was asked for location and I answer: " + location);
return location;
}

6
sample/src/org/microg/nlp/api/sample/ThirdSampleService.java
View file

@ -3,6 +3,7 @@ package org.microg.nlp.api.sample;
import android.location.Location;
import android.util.Log;
import org.microg.nlp.api.LocationBackendService;
import org.microg.nlp.api.LocationHelper;
import java.util.Random;
@ -25,10 +26,7 @@ public class ThirdSampleService extends LocationBackendService {
} catch (InterruptedException e) {
return;
}
Location location = new Location("random");
location.setLatitude(random.nextDouble() * 90);
location.setLongitude(random.nextDouble() * 90);
location.setAccuracy(random.nextFloat() * 90);
Location location = LocationHelper.create("random", random.nextDouble() * 90, random.nextDouble() * 90, random.nextFloat() * 90);
Log.d(TAG, "Just reported: " + location);
report(location);
}