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  • ccc-ffm/scanble
  • dachdecker2/scanble
  • mrm2m/scanble
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with 319 additions and 72 deletions
.idea/gradle.xml
View file @ 661ebab2
......@@ -3,8 +3,9 @@
<component name="GradleSettings">
<option name="linkedExternalProjectsSettings">
<GradleProjectSettings>
<option name="distributionType" value="DEFAULT_WRAPPED" />
<option name="distributionType" value="LOCAL" />
<option name="externalProjectPath" value="$PROJECT_DIR$" />
<option name="gradleHome" value="$APPLICATION_HOME_DIR$/gradle/gradle-2.2" />
<option name="modules">
<set>
<option value="$PROJECT_DIR$" />
......
.idea/misc.xml
View file @ 661ebab2
......@@ -3,7 +3,7 @@
<component name="EntryPointsManager">
<entry_points version="2.0" />
</component>
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_6" assert-keyword="true" jdk-15="true" project-jdk-name="JDK" project-jdk-type="JavaSDK">
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_6" assert-keyword="true" jdk-15="true" project-jdk-name="1.7" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/build/classes" />
</component>
</project>
......
ScanBle.iml
View file @ 661ebab2
......@@ -12,7 +12,6 @@
<content url="file://$MODULE_DIR$">
<excludeFolder url="file://$MODULE_DIR$/.gradle" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>
......
app/app.iml
View file @ 661ebab2
<?xml version="1.0" encoding="UTF-8"?>
<module external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/.." external.system.id="GRADLE" external.system.module.group="ScanBle" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
<module external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/.." external.system.id="GRADLE" external.system.module.group="scanble" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
<component name="FacetManager">
<facet type="android-gradle" name="Android-Gradle">
<configuration>
......@@ -10,7 +10,7 @@
<configuration>
<option name="SELECTED_BUILD_VARIANT" value="debug" />
<option name="ASSEMBLE_TASK_NAME" value="assembleDebug" />
<option name="COMPILE_JAVA_TASK_NAME" value="compileDebugJava" />
<option name="COMPILE_JAVA_TASK_NAME" value="compileDebugSources" />
<option name="ASSEMBLE_TEST_TASK_NAME" value="assembleDebugTest" />
<option name="SOURCE_GEN_TASK_NAME" value="generateDebugSources" />
<option name="TEST_SOURCE_GEN_TASK_NAME" value="generateDebugTestSources" />
......@@ -31,11 +31,13 @@
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/debug" isTestSource="false" generated="true" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/rs/debug" isTestSource="false" generated="true" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/debug" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/res/generated/debug" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/r/test/debug" isTestSource="true" generated="true" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/aidl/test/debug" isTestSource="true" generated="true" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/test/debug" isTestSource="true" generated="true" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/source/rs/test/debug" isTestSource="true" generated="true" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/test/debug" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/build/generated/res/generated/test/debug" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/debug/res" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/debug/resources" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/debug/assets" type="java-resource" />
......@@ -77,11 +79,13 @@
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" />
<excludeFolder url="file://$MODULE_DIR$/build/outputs" />
<excludeFolder url="file://$MODULE_DIR$/build/tmp" />
</content>
<orderEntry type="jdk" jdkName="Android API 20 Platform" jdkType="Android SDK" />
<orderEntry type="jdk" jdkName="Android API 21 Platform" jdkType="Android SDK" />
<orderEntry type="sourceFolder" forTests="false" />
<orderEntry type="library" exported="" name="commons-math-2.0" level="project" />
<orderEntry type="library" exported="" name="commons-math3-3.3" level="project" />
<orderEntry type="library" exported="" name="commons-math3-3.3-javadoc" level="project" />
<orderEntry type="library" exported="" name="sgfilter_v1_2" level="project" />
</component>
</module>
app/build.gradle
View file @ 661ebab2
apply plugin: 'com.android.application'
android {
compileSdkVersion 20
compileSdkVersion 18
buildToolsVersion "20.0.0"
defaultConfig {
applicationId "org.mekelburger.moritz.scanble"
minSdkVersion 19
minSdkVersion 18
targetSdkVersion 20
versionCode 1
versionName "1.0"
}
buildTypes {
release {
runProguard false
// runProguard false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
packagingOptions {
exclude 'META-INF/DEPENDENCIES.txt'
exclude 'META-INF/LICENSE.txt'
exclude 'META-INF/NOTICE.txt'
exclude 'META-INF/NOTICE'
exclude 'META-INF/LICENSE'
exclude 'META-INF/DEPENDENCIES'
exclude 'META-INF/notice.txt'
exclude 'META-INF/license.txt'
exclude 'META-INF/dependencies.txt'
exclude 'META-INF/LGPL2.1'
}
productFlavors {
}
}
dependencies {
compile fileTree(include: ['*.jar'], dir: 'libs')
compile fileTree(dir: 'libs', include: ['*.jar'])
compile files('libs/commons-math3-3.3.jar')
compile files('libs/sgfilter_v1_2.jar')
}
app/libs/commons-math-2.0.jar 0 → 100644
View file @ 661ebab2
File added
app/libs/sgfilter_v1_2.jar 0 → 100644
View file @ 661ebab2
File added
app/src/main/java/org/mekelburger/moritz/scanble/AdvertisementHistory.java
View file @ 661ebab2
......@@ -2,15 +2,26 @@ package org.mekelburger.moritz.scanble;
import android.util.Log;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.InputMismatchException;
import java.util.Set;
import java.util.List;
import java.util.TreeMap;
import mr.go.sgfilter.ContinuousPadder;
import mr.go.sgfilter.SGFilter;
/**
* This class stores a history of RSSI values of received advertisements with time stamps
*/
public class AdvertisementHistory extends HashMap<Long, Integer> {
private final static int OLD = 3000;
public class AdvertisementHistory extends TreeMap<Long, Integer> {
private final static int OLD = 2000;
private final static int TIMEOUT = 500;
private final static String TAG = "AdvertisementHistory";
public AdvertisementHistory() {
super();
......@@ -25,6 +36,95 @@ public class AdvertisementHistory extends HashMap<Long, Integer> {
this.put(new Long(System.currentTimeMillis()), new Integer(rssi));
}
/**
* Generate a data set where missing data is padded (left padding).
*
* As advertisements are sent with a nearly constant rate there should be one data point every
* n milliseconds. So we get that n as minimum of our data points and pad missing values from
* the right.
* All values older then AdvertisementHistory.OLD will be deleted before evaluation, If we got
* no new results within the last AdvertisementHistory.TIMEOUT milliseconds all data is flushed
* and an empty data set is returned. If there are not at least two values in the history the
* result is empty as well.
*
* @return padded data set
*/
private double[] getPaddedData(String beaconID) {
List<Integer> tmpResult = new ArrayList<Integer>();
Object[] timestamps;
long lastTimestamp = 0;
Long currentTs;
Log.d(TAG, "getPaddedData started");
this.getAverageValue();
if (this.keySet().size() < 2) {
return new double[]{};
}
timestamps = this.keySet().toArray();
if (System.currentTimeMillis() - ((Long) timestamps[timestamps.length - 1]).longValue() >
AdvertisementHistory.OLD) {
Log.d(TAG, String.format("Last time stamp too old: %d - %d = %d > %d",
System.currentTimeMillis(),
((Long) timestamps[timestamps.length - 1]).longValue(),
System.currentTimeMillis() -
((Long) timestamps[timestamps.length - 1]).longValue(),
AdvertisementHistory.OLD));
return new double[]{};
}
Log.v(TAG, String.format("KeySet sorted..: %s", Arrays.toString(timestamps)));
// get the medium time delta.
long[] timeDeltas = new long[this.keySet().size() - 1];
for (int i=0; i < timeDeltas.length; i++) {
timeDeltas[i] =
((Long) timestamps[i + 1]).longValue() - ((Long) timestamps[i]).longValue();
}
long mediumDelta = timeDeltas[timeDeltas.length / 2];
lastTimestamp = 0;
for (Object ts: timestamps) {
currentTs = (Long) ts;
if (lastTimestamp != 0) {
while (lastTimestamp == 0 || currentTs.longValue() - lastTimestamp > 1.5 * mediumDelta) {
tmpResult.add(new Integer(0));
lastTimestamp += mediumDelta;
}
}
lastTimestamp = currentTs.longValue();
tmpResult.add(this.get(currentTs));
}
double[] result = new double[tmpResult.size()];
for (int i=tmpResult.size() - 1; i >= 0; i--) {
if (tmpResult.get(i).intValue() == 0) {
result[i] = result[i+1];
} else {
result[i] = (double) tmpResult.get(i);
}
}
Log.v(TAG, String.format("Padded data: %s - %s", beaconID, Arrays.toString(result)));
return result;
}
public float getCurrentValue(String beaconID) {
double[] dataSet = this.getPaddedData(beaconID);
if (dataSet.length <= 3) {
return Float.NaN;
}
double[] coeffs = SGFilter.computeSGCoefficients(dataSet.length - 1, 0, 3);
float result = 0.f;
for (int i=0; i < dataSet.length; i++) {
// Log.v(TAG, String.format("Savitzky/Golay %.2f += %.2f * %.2f = %.2f", result, coeffs[i], dataSet[i], coeffs[i] * dataSet[i]));
result += coeffs[i] * (float) dataSet[i];
}
Log.v(TAG, String.format("Savitzky/Golay coefficients: %s", Arrays.toString(coeffs)));
// Log.d(TAG, String.format("Savitzky/Golay value: %.2f", result));
return result;
}
/**
* Calculate the mean value of the latest values. Old entries (more then
* AdvertisementHistory.OLD ms old) are deleted.
......
app/src/main/java/org/mekelburger/moritz/scanble/Beacon.java
View file @ 661ebab2
package org.mekelburger.moritz.scanble;
import android.bluetooth.BluetoothDevice;
import android.util.Log;
/**
* Created by moritz on 08.11.2014.
......@@ -10,34 +11,41 @@ public class Beacon extends SimpleBeacon{
private AdvertisementHistory advertisements = new AdvertisementHistory();
private long last_advertisement_ts = 0;
private static final String TAG = "Beacon";
private int tx;
private final static float C = -(float) Math.log(10) / 20;
public Beacon(BluetoothDevice device, byte[] scanRecord, float[] position) {
super(position, 0, 0);
super(position, 0, 0, 0);
this.mac = device.getAddress();
this.tx = scanRecord[29];
}
public SimpleBeacon flatCopy() {
SimpleBeacon result = new SimpleBeacon(this.getPosition().clone(), this.getDistance(),
this.getDistanceError());
this.getDistanceError(), this.advertisements.getCurrentValue(this.getMac()));
return result;
}
public void add_rssi(int rssi) {
public void addRssi(int rssi) {
this.last_advertisement_ts = System.currentTimeMillis();
this.advertisements.addAdvertisement(rssi);
}
public float getDistance() {
float ratio_power = this.tx - this.advertisements.getAverageValue();
return (float) Math.pow(Math.pow(10., ratio_power / 10.), 0.5);
float ratio_power = this.tx - this.advertisements.getCurrentValue(this.getMac());
float distance = (float) Math.pow(Math.pow(10., ratio_power / 10.), 0.5);
Log.d(TAG, String.format("Distance %s: %.2f (from %d measurements)", this.getMac(),
distance, this.advertisements.size()));
return distance;
}
public float getDistanceError() {
return Beacon.C * this.getDistance() * this.advertisements.getError();
float distanceError = Beacon.C * this.getDistance() * this.advertisements.getError();
Log.d(TAG, String.format("Distance error %s: %.2f", this.getMac(), distanceError));
Log.v(TAG, String.format("Distance error %s from %s", this.getMac(), this.advertisements.toString()));
return distanceError;
}
public String getMac() {
......
app/src/main/java/org/mekelburger/moritz/scanble/BeaconHandler.java
View file @ 661ebab2
......@@ -5,12 +5,24 @@ import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothManager;
import android.util.Log;
import org.apache.commons.math3.exception.TooManyEvaluationsException;
import org.apache.commons.math3.optimization.GoalType;
import org.apache.commons.math3.optimization.PointValuePair;
import org.apache.commons.math3.optimization.direct.NelderMeadSimplex;
import org.apache.commons.math3.optimization.direct.SimplexOptimizer;
// */
/*
import org.apache.commons.math3.optim.InitialGuess;
import org.apache.commons.math3.optim.PointValuePair;
import org.apache.commons.math3.optim.nonlinear.scalar.GoalType;
import org.apache.commons.math3.optim.nonlinear.scalar.noderiv.NelderMeadSimplex;
import org.apache.commons.math3.optim.nonlinear.scalar.noderiv.SimplexOptimizer;
// */
import java.util.ArrayList;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.concurrent.Executors;
......@@ -38,6 +50,12 @@ public class BeaconHandler implements Runnable {
private static HashMap<String, float[]> KNOWN_BEACONS = new HashMap<String, float[]>();
private boolean scanning;
public List<SimpleBeacon> getTmpBeacons() {
return tmpBeacons;
}
List<SimpleBeacon> tmpBeacons = new ArrayList<SimpleBeacon>();
private Runnable stopLe = new Runnable() {
@Override
public void run() {
......@@ -53,16 +71,6 @@ public class BeaconHandler implements Runnable {
scanning = true;
}
synchronized (this.pos) {
if (this.stopLeScanFuture != null && !this.stopLeScanFuture.isDone() &&
!this.stopLeScanFuture.isCancelled()) {
this.stopLeScanFuture.cancel(false);
}
this.stopLeScanFuture = this.stopLeScanWorker.schedule(stopLe,
BeaconHandler.INACTIVITY_TIMEOUT, TimeUnit.MILLISECONDS);
for (Beacon b: this.beacons.values()) {
Log.i(TAG, String.format("%s: %.2f +- %.2f", b.getMac(), b.getDistance(),
b.getDistanceError()));
}
return this.pos;
}
}
......@@ -82,11 +90,15 @@ public class BeaconHandler implements Runnable {
this.bluetoothAdapter.startLeScan(leScanCallback);
scanning = true;
this.stopLeScanFuture = this.stopLeScanWorker.schedule(stopLe, BeaconHandler.INACTIVITY_TIMEOUT, TimeUnit.MILLISECONDS);
KNOWN_BEACONS.put("00:07:80:68:28:29", new float[]{0f,0f,0f});
KNOWN_BEACONS.put("00:07:80:68:28:64", new float[]{0f,0f,0f});
KNOWN_BEACONS.put("00:07:80:11:11:11", new float[]{0f,0f,0f});
KNOWN_BEACONS.put("00:07:80:79:00:BA", new float[]{0f,0f,0f});
KNOWN_BEACONS.put("00:07:80:72:CD:E3", new float[]{0f,0f,0f});
KNOWN_BEACONS.put("00:07:80:68:28:29", new float[]{6.f,-3f,1.f});
KNOWN_BEACONS.put("00:07:80:C0:FF:EE", new float[]{0.f,-3f,1.f});
KNOWN_BEACONS.put("00:07:80:68:28:64", new float[]{0.f,3f,2.25f});
// KNOWN_BEACONS.put("00:07:80:11:11:11", new float[]{0f,0f,0f});
KNOWN_BEACONS.put("00:07:80:79:00:BA", new float[]{9.f,1.f,0.8f}); // DKBLE BLE113
KNOWN_BEACONS.put("00:07:80:72:CD:E3", new float[]{6.f,0.f,1.f}); // BLE113 eval-board
KNOWN_BEACONS.put("00:07:80:7F:41:30", new float[]{-2.f,0.f,2.f});
KNOWN_BEACONS.put("0E:F3:EE:5A:04:CD", new float[]{0.f,0.f,1.2f});
KNOWN_BEACONS.put("60:03:08:AE:CB:F2", new float[]{0.f,0.f,0.2f});
}
/**
......@@ -113,25 +125,53 @@ public class BeaconHandler implements Runnable {
while (true) {
try {
Thread.sleep(1000);
synchronized (this.pos) {
List<SimpleBeacon> tmpBeacons = new ArrayList<SimpleBeacon>();
for (String mac: this.beacons.keySet()) {
synchronized (this.beacons) {
this.tmpBeacons = new ArrayList<SimpleBeacon>();
for (String mac : this.beacons.keySet()) {
if (this.beacons.get(mac).getDistance() != Float.NaN) {
tmpBeacons.add(beacons.get(mac).flatCopy());
}
}
if (tmpBeacons.size() >= 4) {
// ToDo: Move away from the functions marked as deprecated.
// ToDo: Check what all these constants are for and replace them.
}
double[] tmpPos = new double[]{0.,0.,0.};
synchronized (this.pos) {
for (int i = 0; i < 3; i++) {
tmpPos[i] = this.pos[i];
}
}
if (tmpBeacons.size() >= 4) {
// ToDo: Move away from the functions marked as deprecated.
// ToDo: Check what all these constants are for and replace them.
/* SimplexOptimizer optimizer = new SimplexOptimizer(1e-10, 1e-30);
NelderMeadSimplex nms = new NelderMeadSimplex(tmpBeacons.size());
nms.iterate(new NelderMead(tmpBeacons), new Comparator<PointValuePair>() {
@Override
public int compare(PointValuePair lhs, PointValuePair rhs) {
return lhs.getValue().compareTo(rhs.getValue());
}
});
PointValuePair optimum = optimizer.optimize(nms, GoalType.MINIMIZE,
new InitialGuess(tmpPos));
// */
try {
SimplexOptimizer optimizer = new SimplexOptimizer(1e-10, 1e-30);
optimizer.setSimplex(new NelderMeadSimplex(new double[]{0.15, 0.15, 0.15}));
PointValuePair optimum = optimizer.optimize(5000, new NelderMead(tmpBeacons),
GoalType.MINIMIZE, new double[]{3., 0.3, 0.});
Log.d(TAG, String.format("Position: %s", optimum.toString()));
} else {
Log.d(TAG, String.format("Not enough beacons for position recognition: %d",
tmpBeacons.size()));
}
GoalType.MINIMIZE, tmpPos);
Log.d(TAG, String.format("Position: (%s, %s)", optimum.getPoint()[0],
optimum.getPoint()[1]));
synchronized (this.pos) {
for (int i = 0; i < 3; i++) {
this.pos[i] = (float) optimum.getPoint()[i];
}
}
} catch (TooManyEvaluationsException e) {
}// */
} else {
Log.d(TAG, String.format("Not enough beacons for position recognition: %d",
tmpBeacons.size()));
}
Log.v(TAG, "BeaconService beaconHandler Thread");
} catch (InterruptedException e) {
......@@ -170,7 +210,7 @@ public class BeaconHandler implements Runnable {
} else {
b = this.beacons.get(device.getAddress());
}
b.add_rssi(rssi);
b.addRssi(rssi);
}
Log.v(TAG, String.format("Advertisement from %s", device.getAddress()));
} else {
......
app/src/main/java/org/mekelburger/moritz/scanble/MainActivity.java
View file @ 661ebab2
......@@ -8,12 +8,18 @@ import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.RelativeLayout;
import android.widget.Switch;
import android.widget.TextView;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
......@@ -30,7 +36,10 @@ public class MainActivity extends Activity {
private static final ScheduledExecutorService requestPosition =
Executors.newSingleThreadScheduledExecutor();
private ScheduledFuture requestPositionFuture;
private ScheduledFuture<?> requestPositionFuture;
private Handler runhandler = new Handler();
private Boolean doAutoUpdate = false;
ServiceConnection serviceConnection = new ServiceConnection() {
@Override
......@@ -67,21 +76,56 @@ public class MainActivity extends Activity {
do_button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Log.d(TAG, "Button pressed - START");
updateText("Button");
Log.d(TAG, "Button pressed - END");
}
});
if (bounded) {
beaconService.getBeaconHandler().getPos();
Switch do_switch = (Switch) findViewById(R.id.myswitch);
do_switch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if(isChecked)
{
doAutoUpdate = true;
runhandler.postDelayed(new Runnable() {
@Override
public void run() {
Log.d(TAG, "Timer2 - START");
updateText("Scheduler");
Log.d(TAG, "Timer2 - END");
if (doAutoUpdate)
runhandler.postDelayed(this, 1000);
}
}
, 1000);
}
else
doAutoUpdate = false;
}
});
bindService(intent, this.serviceConnection, BIND_ABOVE_CLIENT);
this.requestPositionFuture = this.requestPosition.scheduleAtFixedRate(new Runnable() {
@Override
public void run() {
beaconService.getBeaconHandler().getPos();
}
}, 1, 2, TimeUnit.SECONDS);
getWindow().getDecorView().findViewById(android.R.id.content).invalidate();
((TextView) findViewById(R.id.textView)).invalidate();
}
private void updateText (String defaultString) {
String beaconString = "";
for (SimpleBeacon b: beaconService.getBeaconHandler().getTmpBeacons()) {
beaconString += b.toString();
beaconString += "\n";
}
((TextView) findViewById(R.id.textView)).setText(
String.format("caller: %s\nPosition: %.2f, %.2f\n%s",
defaultString,
beaconService.getBeaconHandler().getPos()[0],
beaconService.getBeaconHandler().getPos()[1],
beaconString));
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
......@@ -105,7 +149,7 @@ public class MainActivity extends Activity {
@Override
protected void onStop() {
super.onStop();
this.requestPositionFuture.cancel(false);
// this.requestPositionFuture.cancel(false);
if (this.bounded) {
unbindService(this.serviceConnection);
bounded = false;
......
app/src/main/java/org/mekelburger/moritz/scanble/NelderMead.java
View file @ 661ebab2
......@@ -15,7 +15,6 @@ public class NelderMead implements MultivariateFunction {
this.beacons = beacons;
}
public double value(double[] doubles) {
double result = 0.;
float[] tmpPos;
......@@ -23,9 +22,9 @@ public class NelderMead implements MultivariateFunction {
for (SimpleBeacon b: this.beacons) {
tmpPos = b.getPosition();
expectedDistance = Math.pow(Math.pow(tmpPos[0] - doubles[0], 2) +
Math.pow(tmpPos[1] - doubles[1], 2) +
Math.pow(tmpPos[2] - doubles[2], 2), 0.5);
result = Math.pow(expectedDistance - b.getDistance(), 2);
Math.pow(tmpPos[1] - doubles[1], 2) +
Math.pow(tmpPos[2] - doubles[2], 2), 0.5);
result += Math.pow(expectedDistance - b.getDistance(), 2);
}
return result;
......
app/src/main/java/org/mekelburger/moritz/scanble/SimpleBeacon.java
View file @ 661ebab2
......@@ -9,11 +9,13 @@ public class SimpleBeacon {
private float[] position;
private float distance;
private float distanceError;
private float rssi;
public SimpleBeacon(float[] position, float distance, float distanceError) {
public SimpleBeacon(float[] position, float distance, float distanceError, float rssi) {
this.position = position;
this.distance = distance;
this.distanceError = distanceError;
this.rssi = rssi;
}
public float[] getPosition() {
......@@ -30,10 +32,7 @@ public class SimpleBeacon {
@Override
public String toString() {
return "SimpleBeacon{" +
"position=" + Arrays.toString(getPosition()) +
", distance=" + getDistance() +
", distanceError=" + getDistanceError() +
'}';
return String.format("SimpleBeacon: %s | %.2f | %.2f | %.2f", Arrays.toString(position),
this.getDistance(), this.getDistanceError(), this.rssi);
}
}
app/src/main/res/layout/activity_main.xml
View file @ 661ebab2
......@@ -14,5 +14,24 @@
android:text="Tu was!"
android:id="@+id/button"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true" />
android:layout_alignParentStart="true" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="New Text\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
android:id="@+id/textView"
android:layout_alignParentEnd="true"
android:layout_below="@+id/button"
android:layout_alignParentStart="true"
android:inputType="textMultiLine" />
<Switch
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="autouptdate"
android:id="@+id/myswitch"
android:layout_alignParentTop="true"
android:layout_alignEnd="@+id/textView" />
</RelativeLayout>
build.gradle
View file @ 661ebab2
......@@ -5,7 +5,7 @@ buildscript {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:0.12.2'
classpath 'com.android.tools.build:gradle:0.14.4'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
......
gradle/wrapper/gradle-wrapper.properties
View file @ 661ebab2
#Wed Apr 10 15:27:10 PDT 2013
#Sun Nov 23 15:26:37 CET 2014
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=http\://services.gradle.org/distributions/gradle-1.12-all.zip
distributionUrl=https\://services.gradle.org/distributions/gradle-2.2-all.zip
scanble.iml 0 → 100644
View file @ 661ebab2
<?xml version="1.0" encoding="UTF-8"?>
<module external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
<component name="FacetManager">
<facet type="java-gradle" name="Java-Gradle">
<configuration>
<option name="BUILD_FOLDER_PATH" value="$MODULE_DIR$/build" />
</configuration>
</facet>
</component>
<component name="NewModuleRootManager" inherit-compiler-output="false">
<output url="file://$MODULE_DIR$/build/classes/main" />
<output-test url="file://$MODULE_DIR$/build/classes/test" />
<exclude-output />
<content url="file://$MODULE_DIR$">
<excludeFolder url="file://$MODULE_DIR$/.gradle" />
</content>
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>