libSafeMobile/src/main/java/com/safemobile/activities/AbstractLiveActivity.java

@@ -25,6 +25,7 @@ public abstract class AbstractLiveActivity extends AppCompatActivity {
 	public abstract void vehicleStatusReceived(long imei, int opCode, int status);	// --> UpdateOptions
 	public abstract void emergencyAlarmReceived(int position, double lat, double lng);	// --> UpdateEmergencyAlarm
 	public abstract GoogleMap getMap();	// --> UpdateEmergencyAlarm
+	public abstract void setLanguage();
 
 	/** Misc */
 	public AbstractSDParentActivity getParentTab() {

libSafeMobile/src/main/java/com/safemobile/services/TCPService.java

@@ -102,10 +102,8 @@ public class TCPService extends Service {
     
     
     /** Stop TCP Connection */
-    public void stopTCPConnection()
+    public void stopTCPConnection() {
-    {
+    	if(tcp != null) {
-    	if(tcp != null)
-    	{
     		tcp.Stop();
     		tcp = null;
     	}

libSafeMobile/src/main/java/com/safemobile/services/TCPhandler.java

@@ -6,6 +6,7 @@ import android.content.Intent;
 import android.content.IntentFilter;
 import android.net.ConnectivityManager;
 import android.net.wifi.WifiManager;
+import android.util.Log;
 
 import com.safemobile.lib.AppParams;
 import com.safemobile.lib.SM;
@@ -24,6 +25,7 @@ import java.util.TimerTask;
 
 
 public class TCPhandler implements Runnable {
+	private final String TAG = "TCPhandler";
 	private boolean alive = true;
 
 	public String serverHostname;
@@ -56,6 +58,7 @@ public class TCPhandler implements Runnable {
 
 		// create timer to check socket status
 		Timer timer = new Timer();
+		try {
 			timer.scheduleAtFixedRate(new TimerTask() {
 				@Override
 				public void run() {
@@ -68,6 +71,9 @@ public class TCPhandler implements Runnable {
 					}
 				}
 			}, 0, 3000);
+		} catch(Exception e) {
+			Log.v("Exception", e.getMessage());
+		}
 		
 		// get WiFi state
 		isWiFiOn = isNetworkConnected();
@@ -104,6 +110,8 @@ public class TCPhandler implements Runnable {
 			SM.Debug("IllegalArgumentException", "TCPhandler break:"+ e);
 		} catch (IOException e) {
 			SM.Debug("IOException", "TCPhandler break:"+ e);
+		} catch (Exception e) {
+			Log.v("Exception", e.getMessage());
 		}
 
 		while (alive) {
@@ -111,6 +119,8 @@ public class TCPhandler implements Runnable {
 				Thread.sleep(3000);
 			} catch (InterruptedException e) {
 				SM.Debug("TCPhandler Crash1 on sleep:"+ e);
+			} catch (Exception e) {
+				Log.v("Exception", e.getMessage());
 			}
 
 			while (Boolean.TRUE.equals(isConnectionUP)) {
@@ -242,6 +252,8 @@ public class TCPhandler implements Runnable {
 				Thread.sleep(1000);
 			} catch (InterruptedException e) {
 				SM.Debug("TCPhandler Crash2 on sleep:"+ e);
+			} catch (Exception e) {
+				Log.v("Exception", e.getMessage());
 			}
 			//try to restart connection
 			if (alive && isWiFiOn)
@@ -350,6 +362,7 @@ public class TCPhandler implements Runnable {
 			if (soc != null)
 				soc.close();
 		} catch (IOException e1) {
+			Log.v("IOException", e1.getMessage());
 			e1.printStackTrace();
 		}
 
@@ -371,14 +384,15 @@ public class TCPhandler implements Runnable {
 
 	private void restartTCP() {
 		try {
+			Log.v(TAG, "restartTCP");
 			isConnectionUP = false;
 			previousConnectionWasUP = false;
 
 			SM.Debug("Restarting TCP...ip:" + serverHostname + ":" + port);
 			soc = new Socket();
-			soc.connect(new InetSocketAddress(serverHostname, port), 5000);
+			soc.connect(new InetSocketAddress(serverHostname, port), 50000);
-
 			input = new DataInputStream(soc.getInputStream());
+
 			//output stream
 			output = new DataOutputStream(soc.getOutputStream());
 
@@ -386,17 +400,11 @@ public class TCPhandler implements Runnable {
 				isConnectionUP = true;
 			}
 
-		} catch (UnknownHostException e) {
+		} catch (NullPointerException | IOException e) {
-			SM.Exception("restartTCP break:" + e.toString());
+			SM.Exception("restartTCP break:" + e);
 			isConnectionUP = false;
 		} catch (IllegalArgumentException e) {
-			SM.Debug("IllegalArgumentException", "restartTCP break:" + e.toString());
+			SM.Debug("IllegalArgumentException", "restartTCP break:" + e);
-		} catch (IOException e) {
-			SM.Exception("restartTCP break:" + e.toString());
-			isConnectionUP = false;
-		} catch (NullPointerException e) {
-			SM.Exception("restartTCP break:" + e.toString());
-			isConnectionUP = false;
 		}
 		triggerTCPConnectionStateEvent();
 	}
@@ -410,6 +418,7 @@ public class TCPhandler implements Runnable {
 				soc.close();
 			soc = null;
 		} catch (IOException e) {
+			Log.v("IOException", e.getMessage());
 			e.printStackTrace();
 		}
 	}

safeDispatch/src/main/AndroidManifest.xml

@@ -7,6 +7,7 @@
         android:glEsVersion="0x00020000"
         android:required="true" />
 
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.CAMERA" android:required="false"/>
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

safeDispatch/src/main/java/com/safemobile/lib/sound/TcpAudioClient.java

@@ -107,7 +107,6 @@ public class TcpAudioClient implements Runnable {
 			recv = soc.getInputStream();
 			writer = soc.getOutputStream();
 			setConnOK(true);
-
 		} catch (IOException e) {
 			SM.Debug("break:" + e);
 		}

safeDispatch/src/main/java/com/safemobile/safedispatch/AlarmActivity.java

@@ -66,6 +66,7 @@ public class AlarmActivity extends Activity {
 		setContentView(R.layout.tabalarm);
 
 		gridView = findViewById(R.id.gridViewAlarms);
+		gridView.setNestedScrollingEnabled(true);
 		adapter = new AlertGridViewAdapter(this, getAllAlarms(), context, acknowledged);
 		gridView.setAdapter(adapter);
 
@@ -171,7 +172,10 @@ public class AlarmActivity extends Activity {
 		if (param.equals(ALARM)) {
 			// set adapter
 			adapter = new AlertGridViewAdapter(this, getAllAlarms(), context, acknowledged);
+			int position = gridView.getFirstVisiblePosition();
+
 			gridView.setAdapter(adapter);
+			gridView.setSelection(position);
 		} else {
 			adapter.changeACK(ackPosition);
 			SM.Debug("Set ACK: " + ackPosition + "  | " + (Boolean.TRUE.equals(acknowledged.get(ackPosition)) ? "true" : "false"));

safeDispatch/src/main/java/com/safemobile/safedispatch/HistoryActivity.java

@@ -132,6 +132,17 @@ public class HistoryActivity extends AppCompatActivity implements OnMapReadyCall
         setDate();
     }
 
+    public void setLanguage() {
+        TextView labelVehicle = findViewById(R.id.labelVehicle);
+        TextView labelStartDate = findViewById(R.id.labelStartDate);
+        TextView labelEndDate = findViewById(R.id.labelEndDate);
+
+        labelVehicle.setText(R.string.vehicle);
+        labelStartDate.setText(R.string.startDate);
+        labelEndDate.setText(R.string.endDate);
+        displayButton.setText(R.string.display);
+    }
+
     private void displayHistory(ArrayList<HistPos> positions) {
         LatLng latLng = null;
         PolylineOptions polylineOptions = new PolylineOptions();
@@ -168,8 +179,9 @@ public class HistoryActivity extends AppCompatActivity implements OnMapReadyCall
 
     private void setDate() {
         Calendar calendar = Calendar.getInstance();
+        calendar.add(Calendar.DATE, 1);
         endDate = calendar.getTime();
-        calendar.add(Calendar.DATE, -1);
+        calendar.add(Calendar.DATE, -2);
         startDate = calendar.getTime();
 
         TextView textViewStartDate = findViewById(R.id.textViewStartDate);
@@ -279,6 +291,5 @@ public class HistoryActivity extends AppCompatActivity implements OnMapReadyCall
         this.googleMap.getUiSettings().setMapToolbarEnabled(false);
 
         parentTab.demoPositionsList();
-        displayButton.performClick();
     }
 }

safeDispatch/src/main/java/com/safemobile/safedispatch/LiveActivity.java

@@ -296,6 +296,11 @@ public class LiveActivity extends AbstractLiveActivity implements OnMapReadyCall
         registerBroadcastIntents();
     }
 
+    public void setLanguage() {
+        TextView textView = findViewById(R.id.unit_name);
+        textView.setText(R.string.unitName);
+    }
+
     /**
      * Manipulates the map once available.
      * This callback is triggered when the map is ready to be used.
@@ -444,12 +449,6 @@ public class LiveActivity extends AbstractLiveActivity implements OnMapReadyCall
 
     public void displayVehicle(double latZoom, double lngZoom) {
         if (googleMap != null) {
-            String openWindow = "";
-            for (Marker marker : markers) {
-                if (marker.isInfoWindowShown()) {
-                    openWindow = marker.getTitle();
-                }
-            }
             googleMap.clear();
 
             for (int i = 0; i < displayedVehicles.size(); i++) {
@@ -464,7 +463,8 @@ public class LiveActivity extends AbstractLiveActivity implements OnMapReadyCall
                         markerOptions.icon(markerIcon);
 
                         Marker marker = this.googleMap.addMarker(markerOptions);
-                        if (openWindow.equals(marker.getTitle()) || i == lastItemClicked) {
+
+                        if (i == lastItemClicked) {
                             marker.showInfoWindow();
                             googleMap.moveCamera(CameraUpdateFactory.newLatLngZoom(newLocation, 14));
                         }
@@ -474,7 +474,6 @@ public class LiveActivity extends AbstractLiveActivity implements OnMapReadyCall
                 }
             }
         }
-        lastItemClicked = 0;
     }
 
     private BitmapDescriptor getProperBitmap(int largeIcon, String text) {

safeDispatch/src/main/java/com/safemobile/safedispatch/MessagesActivity.java

@@ -10,6 +10,7 @@ import android.graphics.Typeface;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
+import android.util.Log;
 import android.view.View;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
@@ -45,6 +46,7 @@ public class MessagesActivity extends Activity {
 	/**
 	 * Called when the activity is first created.
 	 */
+	private final String TAG = "MessagesActivity";
 
 	private MessagesGridViewAdapter mAdapter;
 	private ConversationGridViewAdapter convAdapter;
@@ -138,6 +140,7 @@ public class MessagesActivity extends Activity {
 
 		// Implement On Item click listener
 		gridView.setOnItemClickListener((arg0, arg1, position, arg3) -> {
+			Log.v(TAG, "onItemClick " + LASTMESSAGES);
 			if (LASTMESSAGES) {
 				// get position
 				Msg item = mAdapter.getItem(position);
@@ -196,6 +199,7 @@ public class MessagesActivity extends Activity {
 		imageButtonBack.setOnClickListener(v -> {
 			// set LastMessage conversation type
 			LASTMESSAGES = true;
+			Log.v(TAG, "lastmessages: true");
 			// refresh Grid
 			getLastSMS();
 			if (AppParams.DEMO)
@@ -388,6 +392,7 @@ public class MessagesActivity extends Activity {
 				listLastMessages.add(new Msg(sentVehicle, txt, Calendar.getInstance().getTime(), sendSMSSeqID));
 			}
 			SM.Debug("time: " + timeGMT + "   |   " + Calendar.getInstance().getTime());
+			Log.v(TAG, "lastmessages: false");
 			LASTMESSAGES = false;
 
 			updateResultsInUi();
@@ -627,6 +632,7 @@ public class MessagesActivity extends Activity {
 			setScId(item.sc_id);
 			SM.Debug("Selected scId: " + getScId());
 			// set Conversation type
+			Log.v(TAG, "lastmessages: false");
 			LASTMESSAGES = false;
 			// call get SMS
 			getSMS4unit(getScId());

safeDispatch/src/main/java/com/safemobile/safedispatch/RecordingsActivity.java

@@ -26,6 +26,7 @@ import com.safemobile.lib.AppParams;
 import com.safemobile.lib.OperationCodes;
 import com.safemobile.lib.Recording;
 import com.safemobile.lib.SM;
+import com.safemobile.lib.Vehicle;
 import com.safemobile.lib.radio.RadioGW;
 import com.safemobile.lib.sound.RecordingHandle;
 
@@ -295,9 +296,27 @@ public class RecordingsActivity extends Activity {
 	private void updateResultsInUi() {
 		// clear played items
 		playingPositions = new ArrayList<>();
+
+		ArrayList<Recording> recordings = getAllRecordings();
+		ArrayList<Recording> filteredList = new ArrayList<>();
+		ArrayList<Vehicle> vehicles = getParentTab().getAllVehicle();
+		for (Recording recording : recordings) {
+			if (recording.callType == 0 || recording.callType == 4) {
+				for (Vehicle vehicle : vehicles)
+					if (vehicle.imei.equals(String.valueOf(recording.subID))) {
+						filteredList.add(recording);
+						break;
+					}
+			} else {
+				filteredList.add(recording);
+			}
+		}
+
+		setAllRecordings(filteredList);
+
 		for (int i = 0; i < getAllRecordings().size(); i++)
 			playingPositions.add(true);
-		// set adapter - where playingPositions stores exists values
+
 		adapter = new RecordingsGridViewAdapter(activity, getAllRecordings(), playingPositions);
 
 		// playing positions need to be false because no recording is played

safeDispatch/src/main/java/com/safemobile/safedispatch/SDMobileActivity.java

@@ -10,13 +10,19 @@ import android.content.ServiceConnection;
 import android.content.SharedPreferences;
 import android.content.res.Configuration;
 import android.graphics.Color;
+import android.net.ConnectivityManager;
+import android.net.Network;
+import android.net.NetworkCapabilities;
+import android.net.NetworkRequest;
 import android.os.AsyncTask;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Looper;
 import android.text.Editable;
 import android.text.InputType;
+import android.util.Log;
 import android.view.Gravity;
 import android.view.View;
 import android.view.View.OnClickListener;
@@ -114,6 +120,17 @@ public class SDMobileActivity extends Activity {
 		super.onCreate(savedInstanceState);
 		SM.Debug("##### onCREATE ##### with LANGUAGE " + AppParams.LANGUAGETMP);
 
+		ConnectivityManager connectivityManager =
+				(ConnectivityManager) this.getSystemService(Context.CONNECTIVITY_SERVICE);
+
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
+			connectivityManager.registerDefaultNetworkCallback(networkCallback);
+		else {
+			NetworkRequest request = new NetworkRequest.Builder()
+					.addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET).build();
+			connectivityManager.registerNetworkCallback(request, networkCallback);
+		}
+
 		AppParams.theme = AppParams.Theme.SAFEDISPATCH;
 		if (AppParams.theme == AppParams.Theme.SAFENET)
 			this.setTheme(R.style.Theme_Safenet);
@@ -532,6 +549,21 @@ public class SDMobileActivity extends Activity {
 		SM.Debug("##### onRESUME #####");
 	}
 
+	private final ConnectivityManager.NetworkCallback networkCallback = new ConnectivityManager.NetworkCallback() {
+		@Override
+		public void onAvailable(Network network) {
+			// network available
+			Log.v("NetworkAvailability", "available");
+			if (tcp != null && !tcp.isConnectionUP)
+				saveIPandRestartTCP(AppParams.IP, AppParams.PORT);
+		}
+
+		@Override
+		public void onLost(Network network) {
+			// network unavailable
+			Log.v("NetworkAvailability", "unavailable");
+		}
+	};
 
 	private void startTabActivity(long userID) {
 		// good login - load activity

safeDispatch/src/main/java/com/safemobile/safedispatch/SetupActivity.java

@@ -2,16 +2,13 @@ package com.safemobile.safedispatch;
 
 import java.util.Locale;
 
-/** fix import */
 import com.safemobile.adapters.LanguageSpinnerAdapter;
 import com.safemobile.lib.AppParams;
 import com.safemobile.lib.SM;
 
 import android.app.Activity;
 import android.app.AlertDialog;
-import android.app.Dialog;
 import android.content.Context;
-import android.content.DialogInterface;
 import android.content.SharedPreferences;
 import android.content.res.Configuration;
 import android.os.Bundle;
@@ -73,52 +70,49 @@ public class SetupActivity extends Activity {
         setContentView(R.layout.tabsetup);
         
         
-        layoutSpinnerLanguage = (LinearLayout) findViewById(R.id.layoutSpinnerLanguage);
+        layoutSpinnerLanguage = findViewById(R.id.layoutSpinnerLanguage);
         layoutSpinnerLanguage.setOnClickListener(LanguageListener);
-        imageLanguage = (ImageView) findViewById(R.id.imageLanguage);
+        imageLanguage = findViewById(R.id.imageLanguage);
-        textViewSpinnerLanguage = (TextView) findViewById(R.id.textViewSpinnerLanguage);
+        textViewSpinnerLanguage = findViewById(R.id.textViewSpinnerLanguage);
         
         // change spinner icon and selected language according to tmpLanguage
-        if (AppParams.LANGUAGETMP.equals("en")){ 
+		switch (AppParams.LANGUAGETMP) {
+			case "en":
 				imageLanguage.setImageResource(R.drawable.en);
 				textViewSpinnerLanguage.setText(getString(R.string.en));
-		}
+				break;
-        else if (AppParams.LANGUAGETMP.equals("de")){ 
+			case "de":
 				imageLanguage.setImageResource(R.drawable.de);
 				textViewSpinnerLanguage.setText(getString(R.string.de));
-		}
+				break;
-        else if (AppParams.LANGUAGETMP.equals("tr")){ 
+			case "tr":
 				imageLanguage.setImageResource(R.drawable.tr);
 				textViewSpinnerLanguage.setText(getString(R.string.tr));
-		}
+				break;
-        else if (AppParams.LANGUAGETMP.equals("ro")){ 
+			case "ro":
 				imageLanguage.setImageResource(R.drawable.ro);
 				textViewSpinnerLanguage.setText(getString(R.string.ro));
-		}
+				break;
-        else if(AppParams.LANGUAGETMP.equals("es")){ 
+			case "es":
 				imageLanguage.setImageResource(R.drawable.es);
 				textViewSpinnerLanguage.setText(getString(R.string.es));
-		}
+				break;
-        else if(AppParams.LANGUAGETMP.equals("ru")){ 
+			case "ru":
 				imageLanguage.setImageResource(R.drawable.ru);
 				textViewSpinnerLanguage.setText(getString(R.string.ru));
+				break;
 		}
         
         // get visual elements
-        appServerIP = (EditText) findViewById(R.id.appServerIP);
+        appServerIP = findViewById(R.id.appServerIP);
-        appServerPort = (EditText) findViewById(R.id.appServerPort);
+        appServerPort = findViewById(R.id.appServerPort);
 
         // hide path layout used only on Pad/Pod 
-        layoutPath = (LinearLayout) findViewById(R.id.layoutPath);
+        layoutPath = findViewById(R.id.layoutPath);
         layoutPath.setVisibility(View.GONE);
-        btn_save = (Button) findViewById(R.id.btn_save);
+        btn_save = findViewById(R.id.btn_save);
         
-        btn_save.setOnClickListener(new OnClickListener() {
+        btn_save.setOnClickListener(v -> saveSettings());
-			@Override
-			public void onClick(View v) {
-				saveSettings();
-			}
-		});
         
         // set values
         if(!AppParams.IP.equals("n/a"))
@@ -134,36 +128,22 @@ public class SetupActivity extends Activity {
     	AlertDialog.Builder builder = new AlertDialog.Builder(this);
     	builder.setMessage(getString(R.string.exit))
     	       .setCancelable(false)
-    	       .setNeutralButton(getString(R.string.logout), new DialogInterface.OnClickListener() {
+    	       .setNeutralButton(getString(R.string.logout), (dialog, id) -> parentTab.whenBackPressed(AppParams.ActivityResult.logout))
-    	           public void onClick(DialogInterface dialog, int id) {
+    	       .setPositiveButton(getString(R.string.ext), (dialog, id) -> parentTab.whenBackPressed(AppParams.ActivityResult.exit))
-    	        	   parentTab.whenBackPressed(AppParams.ActivityResult.logout);
+    	       .setNegativeButton(getString(R.string.cancel), (dialog, id) -> dialog.cancel());
-    	           }
-    	       })
-    	       .setPositiveButton(getString(R.string.ext), new DialogInterface.OnClickListener() {
-    	           public void onClick(DialogInterface dialog, int id) {
-    	        	   parentTab.whenBackPressed(AppParams.ActivityResult.exit);
-    	           }
-    	       })
-    	       .setNegativeButton(getString(R.string.cancel), new DialogInterface.OnClickListener() {
-    	           public void onClick(DialogInterface dialog, int id) {
-    	                dialog.cancel();
-    	           }
-    	       });
     	AlertDialog alert = builder.create();
     	alert.show();
     }
     
     // listener when select language pressed
-    private OnClickListener LanguageListener =  new OnClickListener() {
+    private final OnClickListener LanguageListener =  new OnClickListener() {
 		
 		@Override
 		public void onClick(View v) {
 				final LanguageSpinnerAdapter adapter = new LanguageSpinnerAdapter(context, android.R.layout.simple_spinner_item, Languages, getLayoutInflater());
 				AlertDialog.Builder builder = new AlertDialog.Builder(context);
 				builder.setTitle(getString(R.string.selLanguage));
-				builder.setAdapter(adapter , new DialogInterface.OnClickListener() {
+				builder.setAdapter(adapter , (dialog, which) -> {
-					@Override
-					public void onClick(DialogInterface dialog, int which) {
 					textViewSpinnerLanguage.setText(adapter.getItem(which));
 					switch(which)
 					{
@@ -174,7 +154,6 @@ public class SetupActivity extends Activity {
 						case 4: imageLanguage.setImageResource(R.drawable.ru); AppParams.LANGUAGETMP = "ru"; onCreate(savedInstanceState); parentTab.changeLanguage(); break;
 						case 5: imageLanguage.setImageResource(R.drawable.es); AppParams.LANGUAGETMP = "es"; onCreate(savedInstanceState); parentTab.changeLanguage(); break;
 					}
-					}
 				});
 				
 				AlertDialog alert = builder.create();
@@ -218,7 +197,7 @@ public class SetupActivity extends Activity {
 		editor.putString("ip", appServerIP.getText().toString());
 		editor.putString("port", appServerPort.getText().toString());
 		editor.putString("language", AppParams.LANGUAGETMP);
-		Boolean result = editor.commit();
+		boolean result = editor.commit();
 		// saved completed
 		if (result)
 			Toast.makeText(context, "Settings saved successfully.", Toast.LENGTH_LONG).show();
@@ -265,31 +244,4 @@ public class SetupActivity extends Activity {
 		//showDialog(result);
 	}
 	
-	public void showDialog(Boolean result)
-	{
-		Dialog dialog = new Dialog(context);
-		if(result)
-			dialog.setTitle("Save Completed");
-		else 
-			dialog.setTitle("Save Failed");
-		dialog.setContentView(R.layout.dialog);
-		dialog.setCancelable(true);
-		dialog.setCanceledOnTouchOutside(true);
-
-		TextView text = (TextView) dialog.findViewById(R.id.text);	
-		ImageView image = (ImageView) dialog.findViewById(R.id.image);
-		if(result)
-		{
-			image.setImageResource(R.drawable.error);
-			text.setText("Settings saved successfully.");
-		}
-		else
-		{
-			image.setImageResource(R.drawable.error);
-			text.setText("Settings failed to complete!");
-		}
-		
-		dialog.show();
-	}
-	
 }

safeDispatch/src/main/java/com/safemobile/safedispatch/TabLayoutActivity.java

@@ -73,6 +73,10 @@ import android.content.pm.PackageManager;
 import android.content.res.AssetManager;
 import android.content.res.Configuration;
 import android.content.res.Resources;
+import android.net.ConnectivityManager;
+import android.net.Network;
+import android.net.NetworkCapabilities;
+import android.net.NetworkRequest;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Build;
@@ -101,6 +105,7 @@ import androidx.core.app.NotificationManagerCompat;
 
 public class TabLayoutActivity extends AbstractSDParentActivity {
 
+	private final String TAG = "TabLayoutActivity";
 	/* Misc */
 	private Resources res;
 	private Context context;
@@ -179,6 +184,9 @@ public class TabLayoutActivity extends AbstractSDParentActivity {
 	private static final String SETTINGS = "Setup";
 	private static final String ABOUT = "SafeMobile";
 
+	private final Handler uiHandler = new Handler(Looper.getMainLooper());
+
+
 	// default app language
 	public static final String DATABASE_LANGUAGE = "en";            // database language : en, de, tr, ro or empty
 
@@ -566,7 +574,58 @@ public class TabLayoutActivity extends AbstractSDParentActivity {
 
 		/* Create Service and bind to it */
 		getApplicationContext().bindService(new Intent(this, TCPService.class), serviceConnection, Context.BIND_AUTO_CREATE);
+
+
+		ConnectivityManager connectivityManager =
+				(ConnectivityManager) this.getSystemService(Context.CONNECTIVITY_SERVICE);
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
+			connectivityManager.registerDefaultNetworkCallback(networkCallback);
+		else {
+			NetworkRequest request = new NetworkRequest.Builder()
+					.addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET).build();
+			connectivityManager.registerNetworkCallback(request, networkCallback);
 		}
+	}
+
+	private final ConnectivityManager.NetworkCallback networkCallback = new ConnectivityManager.NetworkCallback() {
+		@Override
+		public void onAvailable(Network network) {
+			// network available
+			Log.v(TAG, "network available");
+			Log.v(TAG, "tcp: " + (tcp != null));
+
+			if (tcp != null) {
+				if (tcp.isConnectionUP)
+					tcp.isConnectionUP = false;
+
+				uiHandler.post(() -> {
+					Log.v(TAG, "myService: " + (myService != null));
+					if (myService != null) {
+						myService.stopTCPConnection();
+						myService.recreateTCPConnection();
+
+						getApplicationContext().bindService(new Intent(context, TCPService.class), serviceConnection, Context.BIND_AUTO_CREATE);
+						if (getRadioActivity() != null)
+							getRadioActivity().onCreate(getRadioActivity().getSavedInstanceState());
+						if (getMessageActivity() != null)
+							getMessageActivity().onCreate(getMessageActivity().getSavedInstanceState());
+						if (getRecordingsActivity() != null)
+							getRecordingsActivity().onCreate(getRecordingsActivity().getSavedInstanceState());
+						if (getAlarmActivity() != null)
+							getAlarmActivity().onCreate(getAlarmActivity().getSavedInstanceState());
+
+						uiHandler.post(initTCPRUN);
+					}
+				});
+			}
+		}
+
+		@Override
+		public void onLost(Network network) {
+			// network unavailable
+			Log.v(TAG, "network unavailable");
+		}
+	};
 
 	/**
 	 * Broadcast Received for notifications
@@ -602,6 +661,7 @@ public class TabLayoutActivity extends AbstractSDParentActivity {
 				Vehicle vehicle = getVehicle4Imei(getImei());
 				if (vehicle != null)
 					getMessageActivity().setScId(vehicle.sc_id);
+				Log.v(TAG, "lastmessages: false");
 				getMessageActivity().LASTMESSAGES = false;
 				getMessageActivity().getLastSMS();
 
@@ -694,13 +754,26 @@ public class TabLayoutActivity extends AbstractSDParentActivity {
 
 	@Override
 	public void whenBackPressed(AppParams.ActivityResult result) {
+		try {
+			prepareForLogOut(result);
+
+			finish();
+			android.os.Process.killProcess(android.os.Process.myPid());
+			System.exit(0);
+		} catch (Exception e) {
+			Log.v(TAG, e.getMessage());
+		}
+	}
+
+	private void prepareForLogOut(AppParams.ActivityResult result) {
+		Log.v(TAG, "prepareForLogOut");
 		if (tcpTimer != null) {
 			tcpTimer.cancel();
 			tcpTimer.purge();
 			tcpTimer = null;
 		}
 
-		if (getRadioActivity().audioThread != null) {
+		if (getRadioActivity() != null && getRadioActivity().audioThread != null) {
 			Thread moribund = getRadioActivity().audioThread;
 			getRadioActivity().audioThread = null;
 			moribund.interrupt();
@@ -721,10 +794,6 @@ public class TabLayoutActivity extends AbstractSDParentActivity {
 
 		getIntent().putExtra("result", result);
 		setResult(RESULT_OK, getIntent()); //-> used for exit
-
-		finish();
-		android.os.Process.killProcess(android.os.Process.myPid());
-		System.exit(0);
 	}
 
 	@Override
@@ -732,16 +801,15 @@ public class TabLayoutActivity extends AbstractSDParentActivity {
 		// recreate UI
 		Locale locale = new Locale(AppParams.LANGUAGETMP);
 		Locale.setDefault(locale);
-		android.content.res.Configuration configuration = new android.content.res.Configuration();
+		setLocale(getLiveActivity(), locale);
-		configuration.locale = locale;
-		getBaseContext().getResources().updateConfiguration(configuration,
-				getBaseContext().getResources().getDisplayMetrics());
 
-		if (getHistoryActivity() != null)
-			getHistoryActivity().onCreate(getHistoryActivity().savedInstanceState);
 		// change UI for RadioActivity and MessageActivity
+		if (getLiveActivity() != null)
+			getLiveActivity().setLanguage();
+		if (getHistoryActivity() != null)
+			getHistoryActivity().setLanguage();
 		if (getRadioActivity() != null)
-			getRadioActivity().onCreate(getRadioActivity().savedInstanceState);
+			getRadioActivity().onCreate(getRadioActivity().getSavedInstanceState());
 		if (getMessageActivity() != null)
 			getMessageActivity().onCreate(getMessageActivity().getSavedInstanceState());
 		if (getRecordingsActivity() != null)
@@ -750,6 +818,13 @@ public class TabLayoutActivity extends AbstractSDParentActivity {
 			getAlarmActivity().onCreate(getAlarmActivity().getSavedInstanceState());
 	}
 
+	public static void setLocale(Activity activity, Locale locale) {
+		Resources resources = activity.getResources();
+		Configuration config = resources.getConfiguration();
+		config.setLocale(locale);
+		resources.updateConfiguration(config, resources.getDisplayMetrics());
+	}
+
 	//timer stuff
 	private void timerMethod() {
 		if (!AppParams.DEMO)
@@ -2031,11 +2106,53 @@ public class TabLayoutActivity extends AbstractSDParentActivity {
 
 			@Override
 			public void onTCPConnectionDown(boolean previousWasConnectionUp) {
+				Timer timer = new Timer();
+				timer.schedule(new TimerTask() {
+					@Override
+					public void run() {
+						boolean isNetworkConnected = isNetworkConnected();
+						Log.v(TAG, "isNetworkConnected: " + isNetworkConnected);
+						if (isNetworkConnected) {
+							if (tcp != null && !tcp.isConnectionUP) {
+								tcp.Stop();
+//								if (tcpParser != null)
+//									tcpParser.clearMsgList();
+								tcp = null;
+
+								uiHandler.post(() -> {
+									if (myService != null) {
+										myService.stopTCPConnection();
+
+
+										myService.recreateTCPConnection();
+
+										getApplicationContext().bindService(new Intent(context, TCPService.class), serviceConnection, Context.BIND_AUTO_CREATE);
+										if (getRadioActivity() != null)
+											getRadioActivity().onCreate(getRadioActivity().getSavedInstanceState());
+										if (getMessageActivity() != null)
+											getMessageActivity().onCreate(getMessageActivity().getSavedInstanceState());
+										if (getRecordingsActivity() != null)
+											getRecordingsActivity().onCreate(getRecordingsActivity().getSavedInstanceState());
+										if (getAlarmActivity() != null)
+											getAlarmActivity().onCreate(getAlarmActivity().getSavedInstanceState());
+
+										uiHandler.post(initTCPRUN);
+									}
+									SM.Debug("RECREATE TCP", "IP: " + AppParams.IP + "  |   Port: " + AppParams.PORT);
+								});
+							}
+
+							this.cancel();
+						}
+					}
+				}, 0, 100);
+
+				prepareForLogOut(AppParams.ActivityResult.tcpDown);
 				// execute logout
-				whenBackPressed(AppParams.ActivityResult.tcpDown);
+//				whenBackPressed(AppParams.ActivityResult.tcpDown);
 
 				// send a broadcast
-				notifyBroadcast(OperationCodes.TCP_CONNECTION_DOWN + "");
+//				notifyBroadcast(OperationCodes.TCP_CONNECTION_DOWN + "");
 			}
 
 			@Override
@@ -2056,6 +2173,19 @@ public class TabLayoutActivity extends AbstractSDParentActivity {
 		});
 	}
 
+	// Create runnable for posting
+	final Runnable initTCPRUN = () -> {
+		// start thread to add listener
+		SM.Debug("##### initTCPRUN");
+		if (!AppParams.DEMO)
+			tcpInit();
+	};
+
+	private boolean isNetworkConnected() {
+		ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
+		return cm.getActiveNetworkInfo() != null && cm.getActiveNetworkInfo().isConnected();
+	}
+
 	// Create runnable for posting
 	final Runnable updateResultsAlarm = () -> updateResultsAlarmInUi("realpha");
 

safeDispatch/src/main/res/layout/style_header_units.xml

@@ -10,6 +10,7 @@
 	    android:gravity="center_vertical" >
 	   
 	    <TextView
+			android:id="@+id/unit_name"
 	        android:layout_width="fill_parent"
 	        android:layout_height="wrap_content"
 	        android:text="@string/unitName"