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Now uses reflection to get location.
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@nstevens1040
nstevens1040 committed Feb 16, 2024
1 parent 5a174d1 commit fb68853
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2 changes: 1 addition & 1 deletion .idea/gradle.xml
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244 changes: 173 additions & 71 deletions app/src/main/java/org/nanick/cellconnection/MainActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,9 @@
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
Expand All @@ -59,6 +62,9 @@
import java.util.Map;
import java.util.StringJoiner;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.stream.IntStream;

public class MainActivity extends AppCompatActivity {
Expand All @@ -79,63 +85,33 @@ protected void onCreate(Bundle savedInstanceState) {
ActivityCompat.requestPermissions(MainActivity.this, permissions, 1);
}
setContentView(R.layout.activity_main);
this.locationListener = new LocationListenerImpl();
//this.locationListener = new LocationListenerImpl();
CreateCSVFile();
this.start();
}
@SuppressLint("MissingPermission")
public void start(){
MainActivity m = new MainActivity();
this.bands = BandsFromJson(this.lte_string);
this.nr5gbands = Nr5GBandsFromJson(this.nr5g_string);
this.locationManager = (LocationManager) MainActivity.this.getSystemService(MainActivity.this.LOCATION_SERVICE);
this.locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER,0,0,this.locationListener);
gpsEnabled = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
networkEnabled = locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
//this.locationListener = new LocationListenerImpl();
this.telephonyManager = (TelephonyManager)MainActivity.this.getSystemService(MainActivity.this.TELEPHONY_SERVICE);
this.telephonyCallback = new DiCb();
this.telephonyManager.registerTelephonyCallback(this.executorist,this.telephonyCallback);
ScheduledExecutorService executorService = Executors.newScheduledThreadPool(1);
executorService.scheduleAtFixedRate(new Runnable() {
@Override
public void run() {
SpeedTestTask test = new SpeedTestTask();
test.execute();
}
}, 0, 5, TimeUnit.SECONDS);
}
private Executor executorist = new Executor() {
@Override
public void execute(Runnable r) {
r.run();
}
};
public class LocationListenerImpl implements LocationListener {
@Override
public void onLocationChanged(Location location) {
if (location != null) {
Location loc = location;
try {
if(loc != null){
SpeedTestTask test = new SpeedTestTask(loc);
test.execute();
}
} catch (Exception ex) {
throw new RuntimeException(ex);
}
} else {
Log.i("cellspeed", "Location is null.");
}
}
@Override
public void onProviderDisabled(String provider) {
if (provider.equals(LocationManager.GPS_PROVIDER)) {
gpsEnabled = false;
} else if (provider.equals(LocationManager.NETWORK_PROVIDER)) {
networkEnabled = false;
}
}
@Override
public void onProviderEnabled(String provider) {
if (provider.equals(LocationManager.GPS_PROVIDER)) {
gpsEnabled = true;
} else if (provider.equals(LocationManager.NETWORK_PROVIDER)) {
networkEnabled = true;
}
}
}
public Bands[] BandsFromJson(String jsonString){
ObjectMapper om = new ObjectMapper();
try {
Expand All @@ -152,9 +128,9 @@ public void CreateCSVFile(){
this.csv_writer = new FileWriter(this.csv);
this.csv_writer.write("Rsrp,Speed,TimingAdvance,Plmn,Tac,CellId,eNodeB,Rat,Lat,Lng,EARFCN,Band,Spectrum,NRSpectrum,Bandwidth,Pci,Rsrq,IPAddress,NRPci,NRTac,NRARFCN,NR5GBandName,TimeStamp\n");
this.csv_writer.close();
Log.i("cellspeed", "File created.");
Log.i("celltop", "File created.");
} else {
Log.e("cellspeed", "Failed to create file.");
Log.i("celltop", "Failed to create file.");
}
} catch (IOException e) {
throw new RuntimeException(e);
Expand Down Expand Up @@ -205,6 +181,47 @@ public void onDisplayInfoChanged(TelephonyDisplayInfo displayInfo) {
}
}
}

// private static TelephonyDisplayInfo getTelephonyDisplayInfo(TelephonyManager telephonyManager) {
// try {
// // Get TelephonyDisplayInfo using reflection
// Method getTelephonyDisplayInfoMethod = telephonyManager.getClass().getMethod("getTelephonyDisplayInfo");
// return (TelephonyDisplayInfo) getTelephonyDisplayInfoMethod.invoke(telephonyManager);
// } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
// e.printStackTrace();
// }
// return null;
// }
// public String GetNetworkOverride(){
// try {
//
// Constructor<?> constructor = Class.forName("android.telephony.TelephonyDisplayInfo").getConstructor(new Class[0]);
// constructor.setAccessible(true);
// Object telephonyDisplayInfo = constructor.newInstance(new Object[0]);
// Method getOverrideNetworkTypeMethod = telephonyDisplayInfo.getClass().getMethod("getOverrideNetworkType");
// int networkOverride = (int) getOverrideNetworkTypeMethod.invoke(telephonyDisplayInfo);
// switch(networkOverride){
// case TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_NONE:
// return "None";
// case TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_LTE_CA:
// return "LTE CA";
// case TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_LTE_ADVANCED_PRO:
// return "LTE Advanced Pro";
// case TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_NR_NSA:
// return "NR NSA";
// case TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_NR_NSA_MMWAVE:
// return "NR NSA mmWave";
// case TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_NR_ADVANCED:
// return "NR Advanced";
// default:
// return "Unknown";
// }
// }
// catch (ClassNotFoundException | InstantiationException | IllegalAccessException | NoSuchMethodException | InvocationTargetException e) {
// e.printStackTrace();
// }
// return "";
// }
public class PubIPTask extends AsyncTask<Void,Void,String> {
public CellInfoObj cio;
public PubIPTask(CellInfoObj cello){
Expand Down Expand Up @@ -239,10 +256,6 @@ public String getPubIP() throws IOException {
public class SpeedTestTask extends AsyncTask<Void, Void, Double> {
String testUrl = "https://nlp-137cf635-6c92-49b5-b943-f5c8c75e686f.s3.us-east-2.amazonaws.com/testing.bin";
byte[] buffer = new byte[32]; //byte[] buffer = new byte[13107200];
public Location location;
public SpeedTestTask(Location loc){
this.location = loc;
}
@Override
protected Double doInBackground(Void... params) {
try {
Expand Down Expand Up @@ -447,9 +460,14 @@ public void getCellDetails(Double mbps){
this.telephonyManager = (TelephonyManager)MainActivity.this.getSystemService(MainActivity.this.TELEPHONY_SERVICE);
}
cio.Plmn = telephonyManager.getNetworkOperator();
Location location = getLastKnownLocation();
cio.Lat = location.getLatitude();
cio.Lng = location.getLongitude();
Location location = getLastKnownLocation(MainActivity.this);
if(location != null){
cio.Lat = location.getLatitude();
cio.Lng = location.getLongitude();
} else {
cio.Lat = 0.0;
cio.Lng = 0.0;
}
@SuppressLint("MissingPermission") List<CellInfo> allCells = telephonyManager.getAllCellInfo();
@SuppressLint("MissingPermission") CellInfo cellInfo = allCells.get(0);
if(cellInfo instanceof CellInfoLte){
Expand Down Expand Up @@ -480,6 +498,71 @@ public void getCellDetails(Double mbps){
//cio.Snr = signalStrengthLte.getRssnr();
cio.eNodeB = Math.floorDiv((int)cio.CellId,256);
cio.TimingAdvance = signalStrengthLte.getTimingAdvance();
} else if (cellInfo instanceof CellInfoNr) {
CellInfoNr cinr = (CellInfoNr)cellInfo;
CellSignalStrengthNr signalStrengthNr = (CellSignalStrengthNr) ((CellInfoNr)cellInfo).getCellSignalStrength();
CellIdentityNr cellIdNr = (CellIdentityNr) ((CellInfoNr)cellInfo).getCellIdentity();
cio.NRARFCN = cellIdNr.getNrarfcn();
cio.NRPci = cellIdNr.getPci();
cio.NRTac = cellIdNr.getTac();
Boolean found = false;
ArrayList<Nr5GBands> five1 = new ArrayList<Nr5GBands>();
for(int a = 0; a < this.nr5gbands.length; a++){
Nr5GBands b = this.nr5gbands[a];
ArrayList<Double> nrarfcnlist = b.dlNRARFCN;
Collections.sort(nrarfcnlist);
double n_low = nrarfcnlist.get(0);
double n_high = nrarfcnlist.get((nrarfcnlist.toArray().length - 1));
if(cio.NRARFCN >= n_low & cio.NRARFCN <= n_high){
five1.add(b);
}
}
if(five1.stream().count() == 1){
cio.Nr5GBand = five1.get(0);
cio.NR5GBandName = five1.get(0).band;
cio.NRSpectrum = five1.get(0).name;
} else if(five1.stream().count() > 1){
ArrayList<Nr5GBands> five2 = new ArrayList<Nr5GBands>();
for(int a = 0; a < five1.stream().count(); a++){
Nr5GBands b = five1.get(a);
if(b.name != ""){
five2.add(b);
}
}
if(five2.stream().count() == 1){
cio.Nr5GBand = five2.get(0);
cio.NR5GBandName = five2.get(0).band;
cio.NRSpectrum = five2.get(0).name;
} else if(five2.stream().count() > 1){
Hashtable<Double,String> width = new Hashtable<Double,String>();
for(int a = 0; a < five2.stream().count(); a++){
Nr5GBands b = five2.get(a);
ArrayList<Double> nrarfcnlist = b.dlNRARFCN;
Collections.sort(nrarfcnlist);
double n_low = nrarfcnlist.get(0);
double n_high = nrarfcnlist.get((nrarfcnlist.toArray().length - 1));
width.put((n_high - n_low),b.band);
}
ArrayList<Double> keys = new ArrayList<Double>();
Enumeration key = width.keys();
while (key.hasMoreElements())
{
Double d = Double.parseDouble(key.nextElement().toString());
keys.add(d);
}
Double max = Collections.max(keys);
String ba = width.get(max);
for(int a = 0; a < five2.stream().count(); a++){
Nr5GBands b = five2.get(a);
if(b.band == ba){
cio.Nr5GBand = b;
cio.NR5GBandName = b.band;
cio.NRSpectrum = b.name;
}
}

}
}
}
for(CellInfo cellInfos : allCells){
if(cellInfos instanceof CellInfoNr){
Expand Down Expand Up @@ -596,31 +679,50 @@ public String parseNetworkType(int networkType){
}
}
@SuppressLint("MissingPermission")
private Location getLastKnownLocation() {
Location gpsLocation = null;
Location networkLocation = null;
if (gpsEnabled) {
gpsLocation = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
}
if (networkEnabled) {
networkLocation = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
}
if (gpsLocation == null && networkLocation == null) {
return null;
} else if (gpsLocation != null && networkLocation != null) {
long gpsTime = gpsLocation.getTime();
long networkTime = networkLocation.getTime();
if (gpsTime > networkTime) {
return gpsLocation;
} else {
return networkLocation;
private Location getLastKnownLocation(Context context) {
Location location = null;
try {
LocationManager locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
Method getLastKnownLocation = LocationManager.class.getMethod("getLastKnownLocation", String.class);
Object locationProvider = locationManager.getProvider(LocationManager.GPS_PROVIDER);
location = (Location) getLastKnownLocation.invoke(locationManager, LocationManager.GPS_PROVIDER);
if (location != null) {
double latitude = location.getLatitude();
double longitude = location.getLongitude();
String loc = "{\"lat\": "+latitude+",\"lng\": "+longitude+"}";
Log.i("CellTop",loc);
}
} else if (gpsLocation != null) {
return gpsLocation;
} else {
return networkLocation;
} catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
e.printStackTrace();
}
return location;
}
// @SuppressLint("MissingPermission")
// private Location getLastKnownLocation() {
// Location gpsLocation = null;
// Location networkLocation = null;
// if (gpsEnabled) {
// gpsLocation = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
// }
// if (networkEnabled) {
// networkLocation = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
// }
// if (gpsLocation == null && networkLocation == null) {
// return null;
// } else if (gpsLocation != null && networkLocation != null) {
// long gpsTime = gpsLocation.getTime();
// long networkTime = networkLocation.getTime();
// if (gpsTime > networkTime) {
// return gpsLocation;
// } else {
// return networkLocation;
// }
// } else if (gpsLocation != null) {
// return gpsLocation;
// } else {
// return networkLocation;
// }
// }
public class CellInfoObj {
public CellInfoObj(){
}
Expand Down

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