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Function for getting Pi's location added.
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@alimoncul
alimoncul committed Apr 25, 2019
1 parent b99fb60 commit c3443df
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Showing 2 changed files with 127 additions and 16 deletions.
142 changes: 126 additions & 16 deletions app/src/main/java/com/teamfire/picontroller/AutoDriveActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,15 +4,18 @@
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.AsyncTask;
import android.preference.PreferenceManager;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import org.osmdroid.api.IMapController;
import org.osmdroid.config.Configuration;
Expand All @@ -23,16 +26,31 @@
import org.osmdroid.views.overlay.MapEventsOverlay;
import org.osmdroid.views.overlay.Marker;

import java.io.IOException;
import java.io.PrintStream;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.Socket;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class AutoDriveActivity extends AppCompatActivity {

public static String wifiModuleIP;
public static int wifiModulePort;
public String newUrl;
private boolean isClientRunning = false;
public static int CMD = 99;
public static int UDP_LocationReceivingPort = 11444;
Button btn_manualDrive, btn_camera, btn_showCoordinates, btn_GPS;
WebView wb_liveFeed;
EditText ipAddress, mapLat, mapLon;
MapView map = null;


@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Expand All @@ -48,6 +66,7 @@ protected void onCreate(Bundle savedInstanceState) {
wb_liveFeed = findViewById(R.id.wb_liveFeed);
ipAddress.setText(getIntent().getStringExtra("IP_ADDRESS"));


btn_camera.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Expand Down Expand Up @@ -82,20 +101,10 @@ public void onClick(View view) {

//default map view point
final IMapController mapController = map.getController();
mapController.setZoom(9);
mapController.setZoom(9.0d);
final GeoPoint startPoint = new GeoPoint(40.1022, 26.5167);
mapController.setCenter(startPoint);

//GPS location marker
Marker GPSMarker = new Marker(map);
final GeoPoint markerPointGPS = new GeoPoint(40.15311283875724, 26.41108989715576);
GPSMarker.setPosition(markerPointGPS);
GPSMarker.setAnchor(Marker.ANCHOR_CENTER, Marker.ANCHOR_BOTTOM);
GPSMarker.setIcon(ContextCompat.getDrawable(this, R.drawable.gps_marker));
GPSMarker.setTitle("Device Location");
map.getOverlays().add(GPSMarker);
map.invalidate();

//marker placement
final Marker startMarker = new Marker(map);
final MapEventsReceiver mReceive = new MapEventsReceiver() {
Expand All @@ -122,25 +131,69 @@ public boolean longPressHelper(GeoPoint p) {
btn_showCoordinates.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
try {
if (mapLat.getText() != null && mapLon.getText() != null) {
GeoPoint markerPoint = new GeoPoint(Double.parseDouble(mapLat.getText().toString()), Double.parseDouble(mapLon.getText().toString()));
startMarker.setPosition(markerPoint);
startMarker.setAnchor(Marker.ANCHOR_CENTER, Marker.ANCHOR_BOTTOM);
startMarker.setTitle("Target location");
map.getOverlays().add(startMarker);
map.invalidate();
} catch (NumberFormatException e) {
e.printStackTrace();

getIPandPort();
SendTargetAsyncTask send_targetLocation = new SendTargetAsyncTask();
send_targetLocation.execute();
}
}
});

btn_GPS.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mapController.setCenter(markerPointGPS);
if (!isClientRunning) {
Log.d("UDP", "onClick: Reading UDP Packet...");
receivePiLocation();
} else {
Log.d("UDP", "onClick: A Thread already started and not finished.");
}
}
});

}

public void setMapView(String result) {
//parse the result values
String regex = "(.)*(\\d)(.)*";
Pattern pattern = Pattern.compile(regex);
boolean containsNumber = pattern.matcher(result).matches();

double lat = 0;
double lon = 0;
if (containsNumber) {
String[] coords = result.split(",");
lat = Double.parseDouble(coords[0]);
String templon = coords[1];
Pattern p = Pattern.compile("\\d*\\.\\d+");
Matcher m = p.matcher(templon);
while (m.find()) {
lon = Double.parseDouble(m.group());
}

final IMapController mapViewController = map.getController();
mapViewController.setCenter(new GeoPoint(lat, lon));
mapViewController.setZoom(15.0d);

//add the gps location marker
Marker GPSMarker = new Marker(map);
final GeoPoint markerPointGPS = new GeoPoint(lat, lon);
GPSMarker.setPosition(markerPointGPS);
GPSMarker.setAnchor(Marker.ANCHOR_CENTER, Marker.ANCHOR_BOTTOM);
GPSMarker.setIcon(ContextCompat.getDrawable(this, R.drawable.gps_marker));
GPSMarker.setTitle("Device Location");
map.getOverlays().add(GPSMarker);
map.invalidate();
} else {
Toast.makeText(getApplicationContext(), "Can't read GPS data.", Toast.LENGTH_LONG).show();
}
}

public void getIPandPort() {
Expand All @@ -167,4 +220,61 @@ public void onPause() {
//Configuration.getInstance().save(this, prefs);
map.onPause(); //needed for compass, my location overlays, v6.0.0 and up
}
}

protected void onStop() {
super.onStop();
SharedPreferences.Editor editor = getSharedPreferences("IP", MODE_PRIVATE).edit();
editor.putString("IP", ipAddress.getText().toString());
editor.commit();
}

private void receivePiLocation() {
new Thread(new Runnable() {
@Override
public void run() {
String lText;
byte[] lMsg = new byte[16];
DatagramSocket ds = null;
DatagramPacket dp = new DatagramPacket(lMsg, lMsg.length);
try {
isClientRunning = true;
ds = new DatagramSocket(UDP_LocationReceivingPort);
ds.setSoTimeout(5000);
ds.receive(dp);
lText = new String(dp.getData());
Log.d("UDP", "run: paket alındı!" + lText);
} catch (SocketException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (ds != null) {
ds.close();
isClientRunning = false;
}
}
}
}).start();
}

public class SendTargetAsyncTask extends AsyncTask<Void, Void, Void> {
Socket socket;

@Override
protected Void doInBackground(Void... params) {
try {
InetAddress inetAddress = InetAddress.getByName(wifiModuleIP);
socket = new java.net.Socket(inetAddress, 10200);
PrintStream printStream = new PrintStream(socket.getOutputStream());
printStream.print(CMD);
printStream.close();
socket.close();
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
}
}
1 change: 1 addition & 0 deletions app/src/main/java/com/teamfire/picontroller/MainActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.webkit.WebView;
Expand Down

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