MERGE

71 files changed, 2150 insertions, 541 deletions

diff --git a/Software/Android_Studio/Tango.DAL/build.gradle b/Software/Android_Studio/Tango.DAL/build.gradle
index c237ba6e4..efd90c7c5 100644
--- a/Software/Android_Studio/Tango.DAL/build.gradle
+++ b/Software/Android_Studio/Tango.DAL/build.gradle
@@ -21,13 +21,9 @@ android {
         }
     }
 
-
-    sourceCompatibility = 1.7
-    targetCompatibility = 1.7
-
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_7
-        targetCompatibility JavaVersion.VERSION_1_7
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
     }
 }
 
@@ -53,12 +49,15 @@ dependencies {
 
     compile globalDependencies.logging
     compile globalDependencies.storage
+
+    compile group: 'commons-io', name: 'commons-io', version: '2.4'
 }
 
 //Copy data base to assets folder.
 task copyFiles(type: Copy) {
     from "$projectDir\\..\\..\\DB\\Tango.db"
-    into "$projectDir/src\\main\\assets\\"
+    into "$projectDir/src\\main\\res\\raw"
+    rename ('Tango.db', 'tangodb')
 }
 
 preBuild.dependsOn(copyFiles)
\ No newline at end of file
diff --git a/Software/Android_Studio/Tango.DAL/src/main/java/com/twine/tango/dal/MyOpenHelper.java b/Software/Android_Studio/Tango.DAL/src/main/java/com/twine/tango/dal/MyOpenHelper.java
new file mode 100644
index 000000000..1a73883d3
--- /dev/null
+++ b/Software/Android_Studio/Tango.DAL/src/main/java/com/twine/tango/dal/MyOpenHelper.java
@@ -0,0 +1,28 @@
+package com.twine.tango.dal;
+
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+/**
+ * Created by Roy on 12/3/2017.
+ */
+
+public class MyOpenHelper extends SQLiteOpenHelper
+{
+    MyOpenHelper(Context context,String database_path) {
+        super(context, database_path, null, 1);
+    }
+    
+    @Override
+    public void onCreate(SQLiteDatabase sqLiteDatabase)
+    {
+        
+    }
+    
+    @Override
+    public void onUpgrade(SQLiteDatabase sqLiteDatabase, int i, int i1)
+    {
+    
+    }
+}
diff --git a/Software/Android_Studio/Tango.DAL/src/main/java/com/twine/tango/dal/TangoDB.java b/Software/Android_Studio/Tango.DAL/src/main/java/com/twine/tango/dal/TangoDB.java
index d878e72b2..4f81cc74d 100644
--- a/Software/Android_Studio/Tango.DAL/src/main/java/com/twine/tango/dal/TangoDB.java
+++ b/Software/Android_Studio/Tango.DAL/src/main/java/com/twine/tango/dal/TangoDB.java
@@ -1,6 +1,6 @@
 package com.twine.tango.dal;
 
-import android.content.Context;
+import android.content.res.Resources;
 import android.os.Environment;
 
 import com.elvishew.xlog.XLog;
@@ -17,7 +17,12 @@ import com.snatik.storage.Storage;
 import com.twine.tango.core.ContextFactory;
 import com.twine.tango.dal.entities.Organization;
 
+import org.apache.commons.io.IOUtils;
+
+import java.io.ByteArrayOutputStream;
 import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
 import java.util.List;
 
 /**
@@ -29,23 +34,28 @@ public class TangoDB
 {
     private static DatabaseDefinition database;
     private static String database_path;
+    private static String database_name;
     
     public static void init()
     {
+        database_name = "Tango.db";
+        database_path = Environment.getExternalStorageDirectory() + "/" + database_name;
+        
+        createIfNotFound();
+        
         FlowManager.init(FlowConfig.builder(ContextFactory.getApplicationContext())
                 .addDatabaseConfig(
                         DatabaseConfig.builder(
                                 TangoDB.class)
-                                .databaseName("Tango")
+                                .databaseName(database_name)
                                 .build())
                 .build());
         
         database = FlowManager.getDatabase(TangoDB.class);
         
-        //Test
-        List<Organization> results = SQLite.select().from(Organization.class).queryList();
+        List<Organization> orgs =  SQLite.select().from(Organization.class).queryList();
     
-        for (Organization org : results)
+        for (Organization org : orgs)
         {
             XLog.i(org.getName());
         }
@@ -53,15 +63,20 @@ public class TangoDB
         backup();
     }
     
-    public static File getDataBasePath(String name)
+    public static String getDataBasePath()
+    {
+        return database_path;
+    }
+    
+    public static String getDataBasePath(String name)
     {
-        database_path = Environment.getExternalStorageDirectory() + "/" + name;
-        return new File(database_path);
+        return Environment.getExternalStorageDirectory() + "/" + name;
     }
     
     public static void close()
     {
         database.close();
+        FlowManager.close();
     }
     
     public static void backup()
@@ -69,4 +84,46 @@ public class TangoDB
         Storage storage = new Storage(ContextFactory.getApplicationContext());
         storage.copy(database_path,storage.getExternalStorageDirectory() + "/" + "backup.db");
     }
+    
+    public static void replace(byte[] data)
+    {
+        close();
+        Storage storage = new Storage(ContextFactory.getApplicationContext());
+        storage.createFile(database_path,data);
+        init();
+    }
+    
+    private static void createIfNotFound()
+    {
+        Storage storage = new Storage(ContextFactory.getApplicationContext());
+        if (!storage.isFileExist(database_path))
+        {
+            try
+            {
+                InputStream inputStream = ContextFactory.getApplicationContext().getResources().openRawResource(R.raw.tangodb);
+                boolean b = storage.createFile(database_path,IOUtils.toByteArray(inputStream));
+                if (b)
+                {
+                    XLog.i("success");
+                }
+                inputStream.close();
+                
+            } catch (Exception e)
+            {
+                e.printStackTrace();
+            }
+        }
+    }
+    
+    public static byte[] convertStreamToByteArray(InputStream is) throws IOException
+    {
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        byte[] buff = new byte[10240];
+        int i = Integer.MAX_VALUE;
+        while ((i = is.read(buff, 0, buff.length)) > 0) {
+            baos.write(buff, 0, i);
+        }
+        
+        return baos.toByteArray(); // be sure to close InputStream in calling function
+    }
 }
diff --git a/Software/Android_Studio/Tango.DAL/src/main/java/com/twine/tango/dal/dao/OrganizationsDAO.java b/Software/Android_Studio/Tango.DAL/src/main/java/com/twine/tango/dal/dao/OrganizationsDAO.java
new file mode 100644
index 000000000..2fb669bbb
--- /dev/null
+++ b/Software/Android_Studio/Tango.DAL/src/main/java/com/twine/tango/dal/dao/OrganizationsDAO.java
@@ -0,0 +1,18 @@
+package com.twine.tango.dal.dao;
+
+import com.raizlabs.android.dbflow.sql.language.SQLite;
+import com.twine.tango.dal.entities.Organization;
+
+import java.util.List;
+
+/**
+ * Created by Roy on 12/2/2017.
+ */
+
+public class OrganizationsDAO
+{
+    public static List<Organization> getAllOrganizations()
+    {
+        return SQLite.select().from(Organization.class).queryList();
+    }
+}
diff --git a/Software/Android_Studio/Tango.DAL/src/main/assets/Tango.db b/Software/Android_Studio/Tango.DAL/src/main/res/raw/tangodb
index 68ca3633d..f162394c0 100644
--- a/Software/Android_Studio/Tango.DAL/src/main/assets/Tango.db
+++ b/Software/Android_Studio/Tango.DAL/src/main/res/raw/tangodb
diff --git a/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/IMachineIdentityProvider.java b/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/IMachineIdentityProvider.java
new file mode 100644
index 000000000..e4b033eb6
--- /dev/null
+++ b/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/IMachineIdentityProvider.java
@@ -0,0 +1,10 @@
+package com.twine.tango.integration;
+
+/**
+ * Created by Roy on 12/2/2017.
+ */
+
+public interface IMachineIdentityProvider
+{
+    String getSerialNumber();
+}
diff --git a/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/MachineIdentityProvider.java b/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/MachineIdentityProvider.java
new file mode 100644
index 000000000..7490908c6
--- /dev/null
+++ b/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/MachineIdentityProvider.java
@@ -0,0 +1,14 @@
+package com.twine.tango.integration;
+
+/**
+ * Created by Roy on 12/2/2017.
+ */
+
+public class MachineIdentityProvider implements IMachineIdentityProvider
+{
+    @Override
+    public String getSerialNumber()
+    {
+        return "1234";
+    }
+}
diff --git a/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/adapters/SerialAdapter.java b/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/adapters/SerialAdapter.java
deleted file mode 100644
index 5224a0729..000000000
--- a/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/adapters/SerialAdapter.java
+++ /dev/null
@@ -1,20 +0,0 @@
-package com.twine.tango.integration.adapters;
-
-import java.io.IOException;
-
-import io.reactivex.Observable;
-
-/**
- * Created by Roy on 11/8/2017.
- */
-
-public interface SerialAdapter {
-
-    void setAddress(String address);
-    String getAddress();
-    void open() throws IOException;
-    void close() throws IOException;
-    void write(byte[] data) throws IOException;
-    Observable<byte[]> registerReceiveListener();
-    boolean getIsOpen();
-}
diff --git a/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/adapters/TcpAdapter.java b/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/adapters/TcpAdapter.java
deleted file mode 100644
index 3858b2c5f..000000000
--- a/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/adapters/TcpAdapter.java
+++ /dev/null
@@ -1,92 +0,0 @@
-package com.twine.tango.integration.adapters;
-
-import android.os.SystemClock;
-import com.elvishew.xlog.XLog;
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.Socket;
-import io.reactivex.Observable;
-import io.reactivex.schedulers.Schedulers;
-import io.reactivex.subjects.PublishSubject;
-
-/**
- * Created by Roy on 11/8/2017.
- */
-
-public class TcpAdapter implements SerialAdapter {
-
-    private Socket socket;
-    private String address;
-    private boolean isOpen;
-    private static final int port = 9999;
-    private Thread receiveThread;
-    private PublishSubject<byte[]> subject;
-
-    public TcpAdapter(String address) {
-        this.address = address;
-    }
-
-    @Override
-    public void setAddress(String address) {
-        this.address = address;
-    }
-
-    @Override
-    public String getAddress() {
-        return this.address;
-    }
-
-    @Override
-    public void open() throws IOException {
-        socket = new Socket(address, port);
-        isOpen = true;
-        receiveThread = new Thread(this::receiveThreadMethod);
-        receiveThread.start();
-    }
-
-    @Override
-    public void close() throws IOException {
-        socket.close();
-        isOpen = false;
-    }
-
-    @Override
-    public void write(byte[] data) throws IOException {
-        socket.getOutputStream().write(data);
-    }
-
-    @Override
-    public Observable<byte[]> registerReceiveListener() {
-        subject = PublishSubject.create();
-        return subject.observeOn(Schedulers.io());
-    }
-
-    @Override
-    public boolean getIsOpen() {
-        return isOpen;
-    }
-
-    private void receiveThreadMethod() {
-        while (isOpen) {
-
-            try {
-
-                InputStream stream = socket.getInputStream();
-
-                if (stream.available() > 0)
-                {
-                    byte[] data = new byte[stream.available()];
-                    int read = stream.read(data);
-                    if (subject != null && read > 0) subject.onNext(data);
-                }
-
-            } catch (Exception e) {
-                isOpen = false;
-                XLog.e(e);
-                if (subject != null) subject.onError(e);
-            }
-
-            SystemClock.sleep(10);
-        }
-    }
-}
diff --git a/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/machine/MachineOperator.java b/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/machine/MachineOperator.java
deleted file mode 100644
index 33a7d40ff..000000000
--- a/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/machine/MachineOperator.java
+++ /dev/null
@@ -1,244 +0,0 @@
-package com.twine.tango.integration.machine;
-
-import android.os.SystemClock;
-import com.elvishew.xlog.XLog;
-import com.google.protobuf.GeneratedMessageV3;
-import com.google.protobuf.InvalidProtocolBufferException;
-import com.twine.tango.integration.adapters.SerialAdapter;
-import com.twine.tango.pmr.MessageFactory;
-import com.twine.tango.pmr.TangoMessage;
-import com.twine.tango.pmr.common.MessageContainerOuterClass.MessageContainer;
-import java.io.IOException;
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Calendar;
-import java.util.List;
-import java.util.Locale;
-import java.util.UUID;
-import java.util.concurrent.ConcurrentLinkedQueue;
-
-import javax.inject.Inject;
-
-import io.reactivex.Observable;
-import io.reactivex.Scheduler;
-import io.reactivex.android.schedulers.AndroidSchedulers;
-import io.reactivex.schedulers.Schedulers;
-import io.reactivex.subjects.PublishSubject;
-
-/**
- * Created by Roy on 11/8/2017.
- */
-
-public class MachineOperator implements MachineOperatorInterface {
-
-    private SerialAdapter channel;
-    private Calendar calendar;
-    private DateFormat dateFormatter;
-    private ConcurrentLinkedQueue<RequestMessage> requestsQueue;
-    private List<RequestMessage> pendingRequests;
-    private ConcurrentLinkedQueue<ResponseMessage> responsesQueue;
-    private PublishSubject<byte[]> receiveDataSubject;
-    private Thread pushThread;
-    private Thread pullThread;
-    private boolean isConnected;
-    private Scheduler ioScheduler;
-    private Scheduler uiScheduler;
-
-    @Inject
-    public MachineOperator(SerialAdapter channel) {
-
-        ioScheduler = Schedulers.io();
-        uiScheduler = AndroidSchedulers.mainThread();
-        calendar = Calendar.getInstance();
-        dateFormatter = new SimpleDateFormat("HH:mm:ss.SSS", Locale.US);
-        requestsQueue = new ConcurrentLinkedQueue<>();
-        pendingRequests = new ArrayList<>();
-        responsesQueue = new ConcurrentLinkedQueue<>();
-
-        setCommunicationChannel(channel);
-
-        connect().subscribe();
-    }
-
-    private void setCommunicationChannel(SerialAdapter channel) {
-        if (channel.getIsOpen()) {
-            try {
-                channel.close();
-            } catch (IOException e) {
-                XLog.e(e);
-            }
-        }
-
-        boolean reconnect = false;
-
-        if (isConnected) {
-            reconnect = true;
-            disconnect();
-        }
-
-        this.channel = channel;
-        this.channel.registerReceiveListener().subscribe((data) ->
-        {
-
-            try {
-                MessageContainer container = MessageContainer.parseFrom(data);
-
-                RequestMessage pendingRequest = Observable.fromIterable(pendingRequests).filter(x -> x.getToken().equals(container.getToken())).blockingFirst(null);
-
-                if (pendingRequest != null) {
-                    pendingRequests.remove(pendingRequest);
-                    responsesQueue.add(new ResponseMessage(pendingRequest.getSubject(), pendingRequest.getResponseClass(), data));
-                } else {
-                    XLog.w("Could not find matching request for response: %s", container.getType().toString());
-                }
-            } catch (InvalidProtocolBufferException e) {
-                XLog.e(e);
-            }
-
-            if (receiveDataSubject != null)
-            {
-                receiveDataSubject.onNext(data);
-            }
-
-        });
-
-        if (reconnect) {
-            connect();
-        }
-    }
-
-    public <Request extends GeneratedMessageV3, Response extends GeneratedMessageV3> Observable<Response> send(TangoMessage<Request> message, Class<Response> className) {
-
-        PublishSubject<Response> subject = PublishSubject.create();
-        requestsQueue.add(new RequestMessage<>(subject, message, className, UUID.randomUUID().toString(), calendar.getTime()));
-        return subject.subscribeOn(ioScheduler).observeOn(uiScheduler);
-    }
-
-
-    @Override
-    public Observable connect() {
-
-        return Observable.create((x) ->
-        {
-            try {
-                channel.open();
-                isConnected = true;
-                startThreads();
-                x.onComplete();
-            } catch (Exception e) {
-                XLog.e("Could not connect to Tango machine.", e);
-                x.onError(e);
-            }
-
-        }).subscribeOn(ioScheduler).observeOn(uiScheduler);
-
-    }
-
-    @Override
-    public Observable disconnect() {
-
-        return Observable.create((x) ->
-        {
-            try {
-                channel.close();
-                isConnected = false;
-                x.onComplete();
-                stopThreads();
-            } catch (Exception e) {
-                XLog.e("Could not disconnect from Tango machine.", e);
-                x.onError(e);
-            }
-
-        }).subscribeOn(ioScheduler).observeOn(uiScheduler);
-
-    }
-
-    private void startThreads() {
-        pushThread = new Thread(this::pushThreadMethod, "Push Thread");
-        pushThread.start();
-
-        pullThread = new Thread(this::pullThreadMethod, "Pull Thread");
-        pullThread.start();
-    }
-
-    private void stopThreads() {
-        isConnected = false;
-        pullThread.interrupt();
-        pushThread.interrupt();
-    }
-
-    public void writeData(byte[] data)
-    {
-        try {
-            channel.write(data);
-        } catch (IOException e) {
-            XLog.e(e);
-        }
-    }
-
-    @Override
-    public Observable<byte[]> receiveData() {
-        receiveDataSubject = PublishSubject.create();
-        return receiveDataSubject.observeOn(uiScheduler).subscribeOn(ioScheduler);
-    }
-
-    private void pushThreadMethod() {
-
-        while (isConnected) {
-
-            if (requestsQueue.size() > 0) {
-                RequestMessage request = requestsQueue.poll();
-                if (request != null) {
-                    pendingRequests.add(request);
-                    try {
-                        channel.write(request.getMessage().toBytes());
-                    } catch (IOException e) {
-                        isConnected = false;
-                        XLog.e(e);
-                    }
-                }
-            }
-
-            SystemClock.sleep(10);
-        }
-    }
-
-    private void pullThreadMethod() {
-        while (isConnected) {
-
-            if (responsesQueue.size() > 0) {
-                ResponseMessage response = responsesQueue.poll();
-                if (response != null) {
-
-                    try {
-                        TangoMessage message = MessageFactory.parseTangoMessage(response.getData());
-                        response.getSubject().onNext(message);
-                        response.getSubject().onComplete();
-                    } catch (Exception e) {
-                        response.getSubject().onError(e);
-                        XLog.e("Could not parse response.", e);
-                    }
-
-                }
-            }
-
-            SystemClock.sleep(10);
-        }
-    }
-
-    private void postRequest(RequestMessage request) {
-
-//        SystemClock.sleep(5000);
-//
-//        TangoMessage<Job> jobTangoMessage = MessageFactory.createTangoMessage(Job.class);
-//
-//        jobTangoMessage.setMessage(Job.newBuilder().setName("Result Job").build());
-//
-//        XLog.d("Posting result for request: %s TIME: %s", request.token, dateFormatter.format(request.dateTime));
-//
-//        request.subject.onNext(jobTangoMessage.getMessage());
-//
-//        request.subject.onComplete();
-    }
-}
diff --git a/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/machine/MachineOperatorInterface.java b/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/machine/MachineOperatorInterface.java
deleted file mode 100644
index 39e7e31d7..000000000
--- a/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/machine/MachineOperatorInterface.java
+++ /dev/null
@@ -1,19 +0,0 @@
-package com.twine.tango.integration.machine;
-
-import com.google.protobuf.GeneratedMessageV3;
-import com.twine.tango.pmr.TangoMessage;
-
-import io.reactivex.Observable;
-
-/**
- * Created by Roy on 11/8/2017.
- */
-
-public interface MachineOperatorInterface {
-
-    <Request extends GeneratedMessageV3, Response extends GeneratedMessageV3> Observable<Response> send(TangoMessage<Request> message,Class<Response> className);
-    Observable connect();
-    Observable disconnect();
-    void writeData(byte[] data);
-    Observable<byte[]> receiveData();
-}
diff --git a/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/machine/MessageBase.java b/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/machine/MessageBase.java
deleted file mode 100644
index c34e3653a..000000000
--- a/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/machine/MessageBase.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package com.twine.tango.integration.machine;
-
-import io.reactivex.subjects.PublishSubject;
-
-/**
- * Created by Roy on 11/8/2017.
- */
-
-public class MessageBase {
-
-    private PublishSubject subject;
-
-    public PublishSubject getSubject() {
-        return subject;
-    }
-
-    public void setSubject(PublishSubject subject) {
-        this.subject = subject;
-    }
-
-    public MessageBase(PublishSubject subject) {
-        this.subject = subject;
-    }
-}
diff --git a/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/machine/RequestMessage.java b/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/machine/RequestMessage.java
deleted file mode 100644
index dde1ff765..000000000
--- a/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/machine/RequestMessage.java
+++ /dev/null
@@ -1,59 +0,0 @@
-package com.twine.tango.integration.machine;
-
-import com.google.protobuf.GeneratedMessageV3;
-import com.twine.tango.pmr.TangoMessage;
-
-import java.util.Date;
-
-import io.reactivex.subjects.PublishSubject;
-
-/**
- * Created by Roy on 11/8/2017.
- */
-public class RequestMessage<T extends GeneratedMessageV3,Response extends GeneratedMessageV3> extends MessageBase {
-
-    private String token;
-    private Date dateTime;
-    private TangoMessage<T> message;
-    private Class<Response> responseClass;
-
-    public String getToken() {
-        return token;
-    }
-
-    public void setToken(String token) {
-        this.token = token;
-    }
-
-    public Date getDateTime() {
-        return dateTime;
-    }
-
-    public void setDateTime(Date dateTime) {
-        this.dateTime = dateTime;
-    }
-
-    public TangoMessage<T> getMessage() {
-        return message;
-    }
-
-    public void setMessage(TangoMessage<T> message) {
-        this.message = message;
-    }
-
-    public Class<Response> getResponseClass() {
-        return responseClass;
-    }
-
-    public void setResponseClass(Class<Response> responseClass) {
-        this.responseClass = responseClass;
-    }
-
-    public RequestMessage(PublishSubject subject, TangoMessage<T> message, Class<Response> responseClass, String token, Date time) {
-        super(subject);
-        this.message = message;
-        this.token = token;
-        this.dateTime = time;
-        this.responseClass = responseClass;
-    }
-}
diff --git a/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/machine/ResponseMessage.java b/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/machine/ResponseMessage.java
deleted file mode 100644
index 13de24286..000000000
--- a/Software/Android_Studio/Tango.Integration/src/main/java/com/twine/tango/integration/machine/ResponseMessage.java
+++ /dev/null
@@ -1,37 +0,0 @@
-package com.twine.tango.integration.machine;
-
-import com.twine.tango.pmr.TangoMessage;
-
-import io.reactivex.subjects.PublishSubject;
-
-/**
- * Created by Roy on 11/8/2017.
- */
-
-public class ResponseMessage extends MessageBase {
-
-    private byte[] data;
-    private Class<?> responseClass;
-
-    public byte[] getData() {
-        return data;
-    }
-
-    public void setData(byte[] data) {
-        this.data = data;
-    }
-
-    public Class<?> getResponseClass() {
-        return responseClass;
-    }
-
-    public void setResponseClass(Class<?> responseClass) {
-        this.responseClass = responseClass;
-    }
-
-    public ResponseMessage(PublishSubject subject, Class<?> responseClass, byte[] data) {
-        super(subject);
-        this.data = data;
-        this.responseClass = responseClass;
-    }
-}
diff --git a/Software/Android_Studio/Tango.PMR/src/main/java/com/twine/tango/pmr/synchronization/SynchronizeDBRequestOuterClass.java b/Software/Android_Studio/Tango.PMR/src/main/java/com/twine/tango/pmr/synchronization/SynchronizeDBRequestOuterClass.java
new file mode 100644
index 000000000..d9dfa19e4
--- /dev/null
+++ b/Software/Android_Studio/Tango.PMR/src/main/java/com/twine/tango/pmr/synchronization/SynchronizeDBRequestOuterClass.java
@@ -0,0 +1,646 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: SynchronizeDBRequest.proto
+
+package com.twine.tango.pmr.synchronization;
+
+public final class SynchronizeDBRequestOuterClass {
+  private SynchronizeDBRequestOuterClass() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistryLite registry) {
+  }
+
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions(
+        (com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+  public interface SynchronizeDBRequestOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:Tango.PMR.Synchronization.SynchronizeDBRequest)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <code>string SerialNumber = 1;</code>
+     */
+    java.lang.String getSerialNumber();
+    /**
+     * <code>string SerialNumber = 1;</code>
+     */
+    com.google.protobuf.ByteString
+        getSerialNumberBytes();
+
+    /**
+     * <code>bytes LocalDB = 2;</code>
+     */
+    com.google.protobuf.ByteString getLocalDB();
+  }
+  /**
+   * Protobuf type {@code Tango.PMR.Synchronization.SynchronizeDBRequest}
+   */
+  public  static final class SynchronizeDBRequest extends
+      com.google.protobuf.GeneratedMessageV3 implements
+      // @@protoc_insertion_point(message_implements:Tango.PMR.Synchronization.SynchronizeDBRequest)
+      SynchronizeDBRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+    // Use SynchronizeDBRequest.newBuilder() to construct.
+    private SynchronizeDBRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
+    }
+    private SynchronizeDBRequest() {
+      serialNumber_ = "";
+      localDB_ = com.google.protobuf.ByteString.EMPTY;
+    }
+
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+    getUnknownFields() {
+      return this.unknownFields;
+    }
+    private SynchronizeDBRequest(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      this();
+      int mutable_bitField0_ = 0;
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+
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+              break;
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+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e).setUnfinishedMessage(this);
+      } finally {
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.internal_static_Tango_PMR_Synchronization_SynchronizeDBRequest_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
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+          .ensureFieldAccessorsInitialized(
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+        serialNumber_ = b;
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+      unknownFields.writeTo(output);
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+      size += unknownFields.getSerializedSize();
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+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+       return true;
+      }
+      if (!(obj instanceof com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest)) {
+        return super.equals(obj);
+      }
+      com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest other = (com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest) obj;
+
+      boolean result = true;
+      result = result && getSerialNumber()
+          .equals(other.getSerialNumber());
+      result = result && getLocalDB()
+          .equals(other.getLocalDB());
+      result = result && unknownFields.equals(other.unknownFields);
+      return result;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + SERIALNUMBER_FIELD_NUMBER;
+      hash = (53 * hash) + getSerialNumber().hashCode();
+      hash = (37 * hash) + LOCALDB_FIELD_NUMBER;
+      hash = (53 * hash) + getLocalDB().hashCode();
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+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest parseFrom(
+        java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest parseFrom(
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+    public static Builder newBuilder(com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code Tango.PMR.Synchronization.SynchronizeDBRequest}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+        // @@protoc_insertion_point(builder_implements:Tango.PMR.Synchronization.SynchronizeDBRequest)
+        com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequestOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.internal_static_Tango_PMR_Synchronization_SynchronizeDBRequest_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
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+      }
+
+      // Construct using com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
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+      private void maybeForceBuilderInitialization() {
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+
+        localDB_ = com.google.protobuf.ByteString.EMPTY;
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+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
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+      }
+
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+      }
+
+      public com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest build() {
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+        result.serialNumber_ = serialNumber_;
+        result.localDB_ = localDB_;
+        onBuilt();
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+      public Builder clone() {
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+      }
+      public Builder setField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
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+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          int index, java.lang.Object value) {
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+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
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+          super.mergeFrom(other);
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+        }
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+
+      public Builder mergeFrom(com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest other) {
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+        this.mergeUnknownFields(other.unknownFields);
+        onChanged();
+        return this;
+      }
+
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest) e.getUnfinishedMessage();
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+      /**
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+       */
+      public Builder setSerialNumber(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
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+  
+        serialNumber_ = value;
+        onChanged();
+        return this;
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+      /**
+       * <code>string SerialNumber = 1;</code>
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+      public Builder clearSerialNumber() {
+        
+        serialNumber_ = getDefaultInstance().getSerialNumber();
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+        return this;
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+      public Builder setSerialNumberBytes(
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+      /**
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+      public Builder setLocalDB(com.google.protobuf.ByteString value) {
+        if (value == null) {
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+  
+        localDB_ = value;
+        onChanged();
+        return this;
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+      /**
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+      public Builder clearLocalDB() {
+        
+        localDB_ = getDefaultInstance().getLocalDB();
+        onChanged();
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+
+    // @@protoc_insertion_point(class_scope:Tango.PMR.Synchronization.SynchronizeDBRequest)
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+    static {
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+    }
+
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<SynchronizeDBRequest>
+        PARSER = new com.google.protobuf.AbstractParser<SynchronizeDBRequest>() {
+      public SynchronizeDBRequest parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+          return new SynchronizeDBRequest(input, extensionRegistry);
+      }
+    };
+
+    public static com.google.protobuf.Parser<SynchronizeDBRequest> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<SynchronizeDBRequest> getParserForType() {
+      return PARSER;
+    }
+
+    public com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+
+  }
+
+  private static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_Tango_PMR_Synchronization_SynchronizeDBRequest_descriptor;
+  private static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_Tango_PMR_Synchronization_SynchronizeDBRequest_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
+    return descriptor;
+  }
+  private static  com.google.protobuf.Descriptors.FileDescriptor
+      descriptor;
+  static {
+    java.lang.String[] descriptorData = {
+      "\n\032SynchronizeDBRequest.proto\022\031Tango.PMR." +
+      "Synchronization\"=\n\024SynchronizeDBRequest\022" +
+      "\024\n\014SerialNumber\030\001 \001(\t\022\017\n\007LocalDB\030\002 \001(\014B%" +
+      "\n#com.twine.tango.pmr.synchronizationb\006p" +
+      "roto3"
+    };
+    com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner assigner =
+        new com.google.protobuf.Descriptors.FileDescriptor.    InternalDescriptorAssigner() {
+          public com.google.protobuf.ExtensionRegistry assignDescriptors(
+              com.google.protobuf.Descriptors.FileDescriptor root) {
+            descriptor = root;
+            return null;
+          }
+        };
+    com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+        }, assigner);
+    internal_static_Tango_PMR_Synchronization_SynchronizeDBRequest_descriptor =
+      getDescriptor().getMessageTypes().get(0);
+    internal_static_Tango_PMR_Synchronization_SynchronizeDBRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_Tango_PMR_Synchronization_SynchronizeDBRequest_descriptor,
+        new java.lang.String[] { "SerialNumber", "LocalDB", });
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}
diff --git a/Software/Android_Studio/Tango.PMR/src/main/java/com/twine/tango/pmr/synchronization/SynchronizeDBResponseOuterClass.java b/Software/Android_Studio/Tango.PMR/src/main/java/com/twine/tango/pmr/synchronization/SynchronizeDBResponseOuterClass.java
new file mode 100644
index 000000000..653befd01
--- /dev/null
+++ b/Software/Android_Studio/Tango.PMR/src/main/java/com/twine/tango/pmr/synchronization/SynchronizeDBResponseOuterClass.java
@@ -0,0 +1,508 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: SynchronizeDBResponse.proto
+
+package com.twine.tango.pmr.synchronization;
+
+public final class SynchronizeDBResponseOuterClass {
+  private SynchronizeDBResponseOuterClass() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistryLite registry) {
+  }
+
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions(
+        (com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+  public interface SynchronizeDBResponseOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:Tango.PMR.Synchronization.SynchronizeDBResponse)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <code>bytes RemoteDB = 1;</code>
+     */
+    com.google.protobuf.ByteString getRemoteDB();
+  }
+  /**
+   * Protobuf type {@code Tango.PMR.Synchronization.SynchronizeDBResponse}
+   */
+  public  static final class SynchronizeDBResponse extends
+      com.google.protobuf.GeneratedMessageV3 implements
+      // @@protoc_insertion_point(message_implements:Tango.PMR.Synchronization.SynchronizeDBResponse)
+      SynchronizeDBResponseOrBuilder {
+  private static final long serialVersionUID = 0L;
+    // Use SynchronizeDBResponse.newBuilder() to construct.
+    private SynchronizeDBResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
+    }
+    private SynchronizeDBResponse() {
+      remoteDB_ = com.google.protobuf.ByteString.EMPTY;
+    }
+
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+    getUnknownFields() {
+      return this.unknownFields;
+    }
+    private SynchronizeDBResponse(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      this();
+      int mutable_bitField0_ = 0;
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
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+      try {
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+        while (!done) {
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+          switch (tag) {
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+              done = true;
+              break;
+            default: {
+              if (!parseUnknownFieldProto3(
+                  input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
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+            case 10: {
+
+              remoteDB_ = input.readBytes();
+              break;
+            }
+          }
+        }
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e).setUnfinishedMessage(this);
+      } finally {
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.internal_static_Tango_PMR_Synchronization_SynchronizeDBResponse_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.internal_static_Tango_PMR_Synchronization_SynchronizeDBResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse.class, com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse.Builder.class);
+    }
+
+    public static final int REMOTEDB_FIELD_NUMBER = 1;
+    private com.google.protobuf.ByteString remoteDB_;
+    /**
+     * <code>bytes RemoteDB = 1;</code>
+     */
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+      return remoteDB_;
+    }
+
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+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      if (!remoteDB_.isEmpty()) {
+        output.writeBytes(1, remoteDB_);
+      }
+      unknownFields.writeTo(output);
+    }
+
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!remoteDB_.isEmpty()) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(1, remoteDB_);
+      }
+      size += unknownFields.getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+       return true;
+      }
+      if (!(obj instanceof com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse)) {
+        return super.equals(obj);
+      }
+      com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse other = (com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse) obj;
+
+      boolean result = true;
+      result = result && getRemoteDB()
+          .equals(other.getRemoteDB());
+      result = result && unknownFields.equals(other.unknownFields);
+      return result;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + REMOTEDB_FIELD_NUMBER;
+      hash = (53 * hash) + getRemoteDB().hashCode();
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+
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse parseFrom(
+        java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse parseFrom(
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+    public static Builder newBuilder(com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code Tango.PMR.Synchronization.SynchronizeDBResponse}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+        // @@protoc_insertion_point(builder_implements:Tango.PMR.Synchronization.SynchronizeDBResponse)
+        com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponseOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.internal_static_Tango_PMR_Synchronization_SynchronizeDBResponse_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.internal_static_Tango_PMR_Synchronization_SynchronizeDBResponse_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse.class, com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse.Builder.class);
+      }
+
+      // Construct using com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessageV3
+                .alwaysUseFieldBuilders) {
+        }
+      }
+      public Builder clear() {
+        super.clear();
+        remoteDB_ = com.google.protobuf.ByteString.EMPTY;
+
+        return this;
+      }
+
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.internal_static_Tango_PMR_Synchronization_SynchronizeDBResponse_descriptor;
+      }
+
+      public com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse getDefaultInstanceForType() {
+        return com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse.getDefaultInstance();
+      }
+
+      public com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse build() {
+        com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      public com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse buildPartial() {
+        com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse result = new com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse(this);
+        result.remoteDB_ = remoteDB_;
+        onBuilt();
+        return result;
+      }
+
+      public Builder clone() {
+        return (Builder) super.clone();
+      }
+      public Builder setField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
+        return (Builder) super.setField(field, value);
+      }
+      public Builder clearField(
+          com.google.protobuf.Descriptors.FieldDescriptor field) {
+        return (Builder) super.clearField(field);
+      }
+      public Builder clearOneof(
+          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+        return (Builder) super.clearOneof(oneof);
+      }
+      public Builder setRepeatedField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          int index, java.lang.Object value) {
+        return (Builder) super.setRepeatedField(field, index, value);
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+      public Builder addRepeatedField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
+        return (Builder) super.addRepeatedField(field, value);
+      }
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse) {
+          return mergeFrom((com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse other) {
+        if (other == com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse.getDefaultInstance()) return this;
+        if (other.getRemoteDB() != com.google.protobuf.ByteString.EMPTY) {
+          setRemoteDB(other.getRemoteDB());
+        }
+        this.mergeUnknownFields(other.unknownFields);
+        onChanged();
+        return this;
+      }
+
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse) e.getUnfinishedMessage();
+          throw e.unwrapIOException();
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+
+      private com.google.protobuf.ByteString remoteDB_ = com.google.protobuf.ByteString.EMPTY;
+      /**
+       * <code>bytes RemoteDB = 1;</code>
+       */
+      public com.google.protobuf.ByteString getRemoteDB() {
+        return remoteDB_;
+      }
+      /**
+       * <code>bytes RemoteDB = 1;</code>
+       */
+      public Builder setRemoteDB(com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  
+        remoteDB_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>bytes RemoteDB = 1;</code>
+       */
+      public Builder clearRemoteDB() {
+        
+        remoteDB_ = getDefaultInstance().getRemoteDB();
+        onChanged();
+        return this;
+      }
+      public final Builder setUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.setUnknownFieldsProto3(unknownFields);
+      }
+
+      public final Builder mergeUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.mergeUnknownFields(unknownFields);
+      }
+
+
+      // @@protoc_insertion_point(builder_scope:Tango.PMR.Synchronization.SynchronizeDBResponse)
+    }
+
+    // @@protoc_insertion_point(class_scope:Tango.PMR.Synchronization.SynchronizeDBResponse)
+    private static final com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse DEFAULT_INSTANCE;
+    static {
+      DEFAULT_INSTANCE = new com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse();
+    }
+
+    public static com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<SynchronizeDBResponse>
+        PARSER = new com.google.protobuf.AbstractParser<SynchronizeDBResponse>() {
+      public SynchronizeDBResponse parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+          return new SynchronizeDBResponse(input, extensionRegistry);
+      }
+    };
+
+    public static com.google.protobuf.Parser<SynchronizeDBResponse> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<SynchronizeDBResponse> getParserForType() {
+      return PARSER;
+    }
+
+    public com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+
+  }
+
+  private static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_Tango_PMR_Synchronization_SynchronizeDBResponse_descriptor;
+  private static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_Tango_PMR_Synchronization_SynchronizeDBResponse_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
+    return descriptor;
+  }
+  private static  com.google.protobuf.Descriptors.FileDescriptor
+      descriptor;
+  static {
+    java.lang.String[] descriptorData = {
+      "\n\033SynchronizeDBResponse.proto\022\031Tango.PMR" +
+      ".Synchronization\")\n\025SynchronizeDBRespons" +
+      "e\022\020\n\010RemoteDB\030\001 \001(\014B%\n#com.twine.tango.p" +
+      "mr.synchronizationb\006proto3"
+    };
+    com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner assigner =
+        new com.google.protobuf.Descriptors.FileDescriptor.    InternalDescriptorAssigner() {
+          public com.google.protobuf.ExtensionRegistry assignDescriptors(
+              com.google.protobuf.Descriptors.FileDescriptor root) {
+            descriptor = root;
+            return null;
+          }
+        };
+    com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+        }, assigner);
+    internal_static_Tango_PMR_Synchronization_SynchronizeDBResponse_descriptor =
+      getDescriptor().getMessageTypes().get(0);
+    internal_static_Tango_PMR_Synchronization_SynchronizeDBResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_Tango_PMR_Synchronization_SynchronizeDBResponse_descriptor,
+        new java.lang.String[] { "RemoteDB", });
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}
diff --git a/Software/Android_Studio/Tango.PMR/src/main/res/raw/packages.txt b/Software/Android_Studio/Tango.PMR/src/main/res/raw/packages.txt
index f332c1ed6..803095d92 100644
--- a/Software/Android_Studio/Tango.PMR/src/main/res/raw/packages.txt
+++ b/Software/Android_Studio/Tango.PMR/src/main/res/raw/packages.txt
@@ -1,3 +1,4 @@
 common
 jobs
 stubs
+synchronization
diff --git a/Software/Android_Studio/Tango.SharedUI/build.gradle b/Software/Android_Studio/Tango.SharedUI/build.gradle
index f86545f9b..7eadccff2 100644
--- a/Software/Android_Studio/Tango.SharedUI/build.gradle
+++ b/Software/Android_Studio/Tango.SharedUI/build.gradle
@@ -49,6 +49,13 @@ dependencies {
     annotationProcessor 'com.jakewharton:butterknife-compiler:8.7.0'
     implementation globalDependencies.logging
     implementation project(':Tango.Core')
-
     compile 'com.hrules:horizontalnumberpicker:1.1.1'
+    //Extensions
+    compile 'me.tatarka.bindingcollectionadapter2:bindingcollectionadapter:2.2.0'
+    compile 'me.tatarka.bindingcollectionadapter2:bindingcollectionadapter-recyclerview:2.2.0'
+    compile globalDependencies.joda
+    implementation project(':Tango.Core')
+    implementation project(':Tango.DAL')
+    compile globalDependencies.protobuf
+    implementation project(':Tango.PMR')
 }
diff --git a/Software/Android_Studio/Tango.SharedUI/src/main/java/com/twine/tango/sharedui/AppInitializer.java b/Software/Android_Studio/Tango.SharedUI/src/main/java/com/twine/tango/sharedui/AppInitializer.java
new file mode 100644
index 000000000..a177517db
--- /dev/null
+++ b/Software/Android_Studio/Tango.SharedUI/src/main/java/com/twine/tango/sharedui/AppInitializer.java
@@ -0,0 +1,58 @@
+package com.twine.tango.sharedui;
+
+import android.content.Context;
+
+import com.elvishew.xlog.LogConfiguration;
+import com.elvishew.xlog.LogLevel;
+import com.elvishew.xlog.XLog;
+import com.elvishew.xlog.printer.AndroidPrinter;
+import com.elvishew.xlog.printer.Printer;
+import com.elvishew.xlog.printer.file.FilePrinter;
+import com.elvishew.xlog.printer.file.backup.FileSizeBackupStrategy;
+import com.elvishew.xlog.printer.file.naming.DateFileNameGenerator;
+import com.google.protobuf.GeneratedMessageV3;
+import com.twine.tango.core.ContextFactory;
+import com.twine.tango.dal.TangoDB;
+import com.twine.tango.pmr.MessageFactory;
+
+import net.danlew.android.joda.JodaTimeAndroid;
+
+import java.io.File;
+
+/**
+ * Created by Roy on 12/2/2017.
+ */
+
+public class AppInitializer
+{
+    public static void init(Context context)
+    {
+        JodaTimeAndroid.init(context);
+        ContextFactory.init(context);
+    
+        LogConfiguration config = new LogConfiguration.Builder()
+                .logLevel(LogLevel.ALL)
+                .tag("Tango")
+                .t()
+                .st(1)
+//                .b()
+                .addObjectFormatter(GeneratedMessageV3.class, msg -> msg.toString()).build();
+    
+        File sdcard = context.getFilesDir();
+        File dir = new File(sdcard.getAbsolutePath() + "/logs");
+        boolean b = dir.mkdirs();
+    
+        Printer androidPrinter = new AndroidPrinter();
+        Printer filePrinter = new FilePrinter.Builder(dir.getPath())
+                .fileNameGenerator(new DateFileNameGenerator())
+                .backupStrategy(new FileSizeBackupStrategy(1024 * 1024))
+                .build();
+    
+        XLog.init(config, androidPrinter, filePrinter);
+        XLog.i("Logger Initialized. logs will be saved to: " + dir.getAbsolutePath());
+    
+        
+        TangoDB.init();
+        MessageFactory.init();
+    }
+}
diff --git a/Software/Android_Studio/Tango.Stubs.UI/src/main/java/com/twine/tango/stubs/ui/App.java b/Software/Android_Studio/Tango.Stubs.UI/src/main/java/com/twine/tango/stubs/ui/App.java
index 3937735cf..69e4c7b22 100644
--- a/Software/Android_Studio/Tango.Stubs.UI/src/main/java/com/twine/tango/stubs/ui/App.java
+++ b/Software/Android_Studio/Tango.Stubs.UI/src/main/java/com/twine/tango/stubs/ui/App.java
@@ -15,6 +15,7 @@ import com.elvishew.xlog.printer.file.naming.DateFileNameGenerator;
 import com.google.protobuf.GeneratedMessageV3;
 import com.twine.tango.core.ContextFactory;
 import com.twine.tango.dal.TangoDB;
+import com.twine.tango.sharedui.AppInitializer;
 import com.twine.tango.stubs.ui.dagger.ApplicationComponent;
 import com.twine.tango.stubs.ui.dagger.ApplicationModule;
 import com.twine.tango.stubs.ui.dagger.DaggerApplicationComponent;
@@ -43,42 +44,17 @@ public class App extends Application {
     @Override
     public File getDatabasePath(String name)
     {
-        return TangoDB.getDataBasePath(name);
+        return new File(TangoDB.getDataBasePath());
     }
     
     @Override
     public void onCreate() {
         super.onCreate();
-
-        JodaTimeAndroid.init(this);
-
+        
         appComponent = initDagger(this);
         context = getApplicationContext();
     
-        ContextFactory.init(context);
-
-        LogConfiguration config = new LogConfiguration.Builder()
-                .logLevel(LogLevel.ALL)
-                .tag("Tango")
-                .t()
-                .st(1)
-//                .b()
-                .addObjectFormatter(GeneratedMessageV3.class, msg -> msg.toString()).build();
-
-        File sdcard = context.getFilesDir();
-        File dir = new File(sdcard.getAbsolutePath() + "/logs");
-        boolean b = dir.mkdirs();
-
-        Printer androidPrinter = new AndroidPrinter();
-        Printer filePrinter = new FilePrinter.Builder(dir.getPath())
-                .fileNameGenerator(new DateFileNameGenerator())
-                .backupStrategy(new FileSizeBackupStrategy(1024 * 1024))
-                .build();
-
-        XLog.init(config, androidPrinter, filePrinter);
-        XLog.i("Logger Initialized. logs will be saved to: " + dir.getAbsolutePath());
-
-        TangoDB.init();
+        AppInitializer.init(context);
 
         Thread.setDefaultUncaughtExceptionHandler((thread, throwable) -> {
 
diff --git a/Software/Android_Studio/Tango.Synchronization/.gitignore b/Software/Android_Studio/Tango.Synchronization/.gitignore
new file mode 100644
index 000000000..796b96d1c
--- /dev/null
+++ b/Software/Android_Studio/Tango.Synchronization/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/Software/Android_Studio/Tango.Synchronization/build.gradle b/Software/Android_Studio/Tango.Synchronization/build.gradle
new file mode 100644
index 000000000..7134933aa
--- /dev/null
+++ b/Software/Android_Studio/Tango.Synchronization/build.gradle
@@ -0,0 +1,49 @@
+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 26
+    buildToolsVersion "26.0.1"
+
+
+    defaultConfig {
+        minSdkVersion 22
+        targetSdkVersion 26
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+        multiDexEnabled true
+
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation 'com.android.support:appcompat-v7:26.1.0'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+    implementation project(':Tango.PMR')
+    implementation project(':Tango.Web')
+    compile globalDependencies.logging
+    compile globalDependencies.storage
+    compile globalDependencies.dagger
+    compile globalDependencies.daggerAndroid
+    implementation project(':Tango.DAL')
+    implementation project(':Tango.Integration')
+
+    compile globalDependencies.rxJava
+    compile globalDependencies.rxJavaAndroid
+}
diff --git a/Software/Android_Studio/Tango.Synchronization/proguard-rules.pro b/Software/Android_Studio/Tango.Synchronization/proguard-rules.pro
new file mode 100644
index 000000000..a0eef131a
--- /dev/null
+++ b/Software/Android_Studio/Tango.Synchronization/proguard-rules.pro
@@ -0,0 +1,25 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in C:\Users\Roy\AppData\Local\Android\Sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/Software/Android_Studio/Tango.Synchronization/src/androidTest/java/com/twine/tango/synchronization/ExampleInstrumentedTest.java b/Software/Android_Studio/Tango.Synchronization/src/androidTest/java/com/twine/tango/synchronization/ExampleInstrumentedTest.java
new file mode 100644
index 000000000..4ecda40dd
--- /dev/null
+++ b/Software/Android_Studio/Tango.Synchronization/src/androidTest/java/com/twine/tango/synchronization/ExampleInstrumentedTest.java
@@ -0,0 +1,32 @@
+package com.twine.tango.synchronization;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import com.twine.tango.core.ContextFactory;
+import com.twine.tango.integration.MachineIdentityProvider;
+import com.twine.tango.web.APIFactory;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest
+{
+    @Test
+    public void useAppContext() throws Exception
+    {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+        
+        assertEquals("com.twine.tango.synchronization.test", appContext.getPackageName());
+    }
+}
diff --git a/Software/Android_Studio/Tango.Synchronization/src/main/AndroidManifest.xml b/Software/Android_Studio/Tango.Synchronization/src/main/AndroidManifest.xml
new file mode 100644
index 000000000..0f9821a96
--- /dev/null
+++ b/Software/Android_Studio/Tango.Synchronization/src/main/AndroidManifest.xml
@@ -0,0 +1,2 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.twine.tango.synchronization" />
diff --git a/Software/Android_Studio/Tango.Synchronization/src/main/java/com/twine/tango/synchronization/ITangoSynchronizer.java b/Software/Android_Studio/Tango.Synchronization/src/main/java/com/twine/tango/synchronization/ITangoSynchronizer.java
new file mode 100644
index 000000000..1b61a29aa
--- /dev/null
+++ b/Software/Android_Studio/Tango.Synchronization/src/main/java/com/twine/tango/synchronization/ITangoSynchronizer.java
@@ -0,0 +1,12 @@
+package com.twine.tango.synchronization;
+
+import com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse;
+
+import io.reactivex.Completable;
+import io.reactivex.Single;
+
+
+public interface ITangoSynchronizer
+{
+    Completable synchronize();
+}
diff --git a/Software/Android_Studio/Tango.Synchronization/src/main/java/com/twine/tango/synchronization/TangoSynchronizer.java b/Software/Android_Studio/Tango.Synchronization/src/main/java/com/twine/tango/synchronization/TangoSynchronizer.java
new file mode 100644
index 000000000..555e4f01c
--- /dev/null
+++ b/Software/Android_Studio/Tango.Synchronization/src/main/java/com/twine/tango/synchronization/TangoSynchronizer.java
@@ -0,0 +1,65 @@
+package com.twine.tango.synchronization;
+
+import com.elvishew.xlog.XLog;
+import com.google.protobuf.ByteString;
+import com.snatik.storage.Storage;
+import com.twine.tango.core.ContextFactory;
+import com.twine.tango.dal.TangoDB;
+import com.twine.tango.integration.IMachineIdentityProvider;
+import com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest;
+import com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse;
+import com.twine.tango.web.APIFactory;
+import com.twine.tango.web.ISynchronizationAPI;
+
+import io.reactivex.Completable;
+import io.reactivex.Single;
+
+public class TangoSynchronizer implements ITangoSynchronizer
+{
+    private APIFactory api;
+    private IMachineIdentityProvider machineIdentityProvider;
+    
+    public TangoSynchronizer(APIFactory api, IMachineIdentityProvider machineIdentityProvider)
+    {
+        this.api = api;
+        this.machineIdentityProvider = machineIdentityProvider;
+    }
+    
+    @Override
+    public Completable synchronize()
+    {
+        return Completable.create((emitter) ->
+        {
+    
+            //Backup DataBase.
+            TangoDB.backup();
+    
+            Storage storage = new Storage(ContextFactory.getApplicationContext());
+    
+            //Read current DB file bytes.
+            byte[] data = storage.readFile(TangoDB.getDataBasePath());
+    
+            //Create synchronization web api.
+            ISynchronizationAPI synchAPI = api.getSynchronizationAPI();
+    
+            //Create synchronization response.
+            SynchronizeDBRequest request = SynchronizeDBRequest.newBuilder()
+                    .setSerialNumber(machineIdentityProvider.getSerialNumber())
+                    .setLocalDB(ByteString.copyFrom(data))
+                    .build();
+    
+            synchAPI.synchronize(request).singleOrError().subscribe((response) ->
+            {
+            
+                TangoDB.replace(response.getRemoteDB().toByteArray());
+                emitter.onComplete();
+            
+            },(ex) ->
+            {
+                XLog.e(ex);
+                emitter.onError(ex);
+            });
+            
+        });
+    }
+}
diff --git a/Software/Android_Studio/Tango.Synchronization/src/main/res/values/strings.xml b/Software/Android_Studio/Tango.Synchronization/src/main/res/values/strings.xml
new file mode 100644
index 000000000..f4a346f34
--- /dev/null
+++ b/Software/Android_Studio/Tango.Synchronization/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Tango.Synchronization</string>
+</resources>
diff --git a/Software/Android_Studio/Tango.Synchronization/src/test/java/com/twine/tango/synchronization/ExampleUnitTest.java b/Software/Android_Studio/Tango.Synchronization/src/test/java/com/twine/tango/synchronization/ExampleUnitTest.java
new file mode 100644
index 000000000..f7e3d9bad
--- /dev/null
+++ b/Software/Android_Studio/Tango.Synchronization/src/test/java/com/twine/tango/synchronization/ExampleUnitTest.java
@@ -0,0 +1,19 @@
+package com.twine.tango.synchronization;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest
+{
+    @Test
+    public void addition_isCorrect() throws Exception
+    {
+        assertEquals(4, 2 + 2);
+    }
+}
\ No newline at end of file
diff --git a/Software/Android_Studio/Tango.UnitTesting/.gitignore b/Software/Android_Studio/Tango.UnitTesting/.gitignore
new file mode 100644
index 000000000..796b96d1c
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/Software/Android_Studio/Tango.UnitTesting/build.gradle b/Software/Android_Studio/Tango.UnitTesting/build.gradle
new file mode 100644
index 000000000..f1b2b0ab3
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/build.gradle
@@ -0,0 +1,48 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 26
+    buildToolsVersion "26.0.1"
+
+
+    defaultConfig {
+        applicationId "com.twine.tango.unittesting"
+        minSdkVersion 22
+        targetSdkVersion 26
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+        multiDexEnabled true
+
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation 'com.android.support:appcompat-v7:26.1.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+    implementation project(':Tango.Core')
+    implementation project(':Tango.DAL')
+    implementation project(':Tango.Integration')
+    implementation project(':Tango.SharedUI')
+    implementation project(':Tango.Stubs')
+    implementation project(':Tango.Synchronization')
+    implementation project(':Tango.Transport')
+    implementation project(':Tango.Web')
+}
diff --git a/Software/Android_Studio/Tango.UnitTesting/proguard-rules.pro b/Software/Android_Studio/Tango.UnitTesting/proguard-rules.pro
new file mode 100644
index 000000000..a0eef131a
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/proguard-rules.pro
@@ -0,0 +1,25 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in C:\Users\Roy\AppData\Local\Android\Sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/androidTest/java/com/twine/tango/unittesting/Synchronization_TST.java b/Software/Android_Studio/Tango.UnitTesting/src/androidTest/java/com/twine/tango/unittesting/Synchronization_TST.java
new file mode 100644
index 000000000..7353fd0d4
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/androidTest/java/com/twine/tango/unittesting/Synchronization_TST.java
@@ -0,0 +1,71 @@
+package com.twine.tango.unittesting;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import com.elvishew.xlog.XLog;
+import com.raizlabs.android.dbflow.config.FlowManager;
+import com.raizlabs.android.dbflow.sql.language.SQLite;
+import com.twine.tango.dal.TangoDB;
+import com.twine.tango.dal.dao.OrganizationsDAO;
+import com.twine.tango.dal.entities.Organization;
+import com.twine.tango.integration.MachineIdentityProvider;
+import com.twine.tango.sharedui.AppInitializer;
+import com.twine.tango.synchronization.ITangoSynchronizer;
+import com.twine.tango.synchronization.TangoSynchronizer;
+import com.twine.tango.web.APIFactory;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class Synchronization_TST
+{
+    @Test
+    public void useAppContext() throws Exception
+    {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+        
+        assertEquals("com.twine.tango.unittesting", appContext.getPackageName());
+    }
+    
+    @Test
+    public void performSynchronization()
+    {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+        
+        AppInitializer.init(appContext);
+    
+    
+       
+        for (Organization org : OrganizationsDAO.getAllOrganizations())
+        {
+            XLog.i(org.getName());
+        }
+        
+        
+        ITangoSynchronizer synchronizer = new TangoSynchronizer(new APIFactory("http://10.0.2.2:45455/api/"), new MachineIdentityProvider());
+        
+        synchronizer.synchronize().subscribe(() ->
+        {
+            for (Organization org : OrganizationsDAO.getAllOrganizations())
+            {
+                XLog.i(org.getName());
+            }
+        
+        }, (ex) ->
+        {
+            ex.printStackTrace();
+        });
+    }
+}
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/AndroidManifest.xml b/Software/Android_Studio/Tango.UnitTesting/src/main/AndroidManifest.xml
new file mode 100644
index 000000000..89fc2427a
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/AndroidManifest.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.twine.tango.unittesting">
+
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+
+    <application
+        android:name=".App"
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
\ No newline at end of file
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/java/com/twine/tango/unittesting/App.java b/Software/Android_Studio/Tango.UnitTesting/src/main/java/com/twine/tango/unittesting/App.java
new file mode 100644
index 000000000..51ba62de8
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/java/com/twine/tango/unittesting/App.java
@@ -0,0 +1,20 @@
+package com.twine.tango.unittesting;
+
+import android.app.Application;
+
+import com.twine.tango.dal.TangoDB;
+
+import java.io.File;
+
+/**
+ * Created by Roy on 12/2/2017.
+ */
+
+public class App extends Application
+{
+    @Override
+    public File getDatabasePath(String name)
+    {
+        return new File(TangoDB.getDataBasePath(name));
+    }
+}
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/java/com/twine/tango/unittesting/MainActivity.java b/Software/Android_Studio/Tango.UnitTesting/src/main/java/com/twine/tango/unittesting/MainActivity.java
new file mode 100644
index 000000000..4be88237d
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/java/com/twine/tango/unittesting/MainActivity.java
@@ -0,0 +1,15 @@
+package com.twine.tango.unittesting;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+
+public class MainActivity extends AppCompatActivity
+{
+    
+    @Override
+    protected void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+    }
+}
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/drawable/ic_launcher_background.xml b/Software/Android_Studio/Tango.UnitTesting/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 000000000..1cd2a3665
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,113 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="108.0"
+    android:viewportWidth="108.0">
+    <path
+        android:fillColor="#26A69A"
+        android:pathData="M0,0h108v108h-108z"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeColor="#66FFFFFF"
+        android:strokeWidth="0.8" />
+</vector>
+
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/layout/activity_main.xml b/Software/Android_Studio/Tango.UnitTesting/src/main/res/layout/activity_main.xml
new file mode 100644
index 000000000..22c2d005c
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/layout/activity_main.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="com.twine.tango.unittesting.MainActivity">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Hello World!"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</android.support.constraint.ConstraintLayout>
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 000000000..00f9eaaf3
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@mipmap/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 000000000..00f9eaaf3
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@mipmap/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-hdpi/ic_launcher.png b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 000000000..550730310
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-hdpi/ic_launcher.png
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-hdpi/ic_launcher_foreground.png b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
new file mode 100644
index 000000000..4e526c95b
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-hdpi/ic_launcher_round.png b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-hdpi/ic_launcher_round.png
new file mode 100644
index 000000000..8fab6a3a5
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-hdpi/ic_launcher_round.png
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-mdpi/ic_launcher.png b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 000000000..6bc7fcd6f
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-mdpi/ic_launcher.png
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-mdpi/ic_launcher_foreground.png b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
new file mode 100644
index 000000000..2c38c7190
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-mdpi/ic_launcher_round.png b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-mdpi/ic_launcher_round.png
new file mode 100644
index 000000000..1eecc0e7d
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-mdpi/ic_launcher_round.png
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xhdpi/ic_launcher.png b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 000000000..ec87dcebe
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xhdpi/ic_launcher.png
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png
new file mode 100644
index 000000000..072467eaa
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xhdpi/ic_launcher_round.png
new file mode 100644
index 000000000..05ca079ca
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xhdpi/ic_launcher_round.png
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxhdpi/ic_launcher.png b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 000000000..6f67f21ba
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxhdpi/ic_launcher.png
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png
new file mode 100644
index 000000000..78a6b7a34
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
new file mode 100644
index 000000000..8bac0f274
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 000000000..0327e13fa
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxxhdpi/ic_launcher.png
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png
new file mode 100644
index 000000000..68ebe33fe
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
new file mode 100644
index 000000000..bacd3e758
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/values/colors.xml b/Software/Android_Studio/Tango.UnitTesting/src/main/res/values/colors.xml
new file mode 100644
index 000000000..3ab3e9cbc
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/values/colors.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/values/strings.xml b/Software/Android_Studio/Tango.UnitTesting/src/main/res/values/strings.xml
new file mode 100644
index 000000000..76b425acf
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Tango.UnitTesting</string>
+</resources>
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/main/res/values/styles.xml b/Software/Android_Studio/Tango.UnitTesting/src/main/res/values/styles.xml
new file mode 100644
index 000000000..5885930df
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/main/res/values/styles.xml
@@ -0,0 +1,11 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>
diff --git a/Software/Android_Studio/Tango.UnitTesting/src/test/java/com/twine/tango/unittesting/ExampleUnitTest.java b/Software/Android_Studio/Tango.UnitTesting/src/test/java/com/twine/tango/unittesting/ExampleUnitTest.java
new file mode 100644
index 000000000..9c8cf8626
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTesting/src/test/java/com/twine/tango/unittesting/ExampleUnitTest.java
@@ -0,0 +1,19 @@
+package com.twine.tango.unittesting;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest
+{
+    @Test
+    public void addition_isCorrect() throws Exception
+    {
+        assertEquals(4, 2 + 2);
+    }
+}
\ No newline at end of file
diff --git a/Software/Android_Studio/Tango.UnitTests/build/intermediates/incremental/compileDebugAidl/dependency.store b/Software/Android_Studio/Tango.UnitTests/build/intermediates/incremental/compileDebugAidl/dependency.store
new file mode 100644
index 000000000..8b8400dcf
--- /dev/null
+++ b/Software/Android_Studio/Tango.UnitTests/build/intermediates/incremental/compileDebugAidl/dependency.store
diff --git a/Software/Android_Studio/Tango.Web/.gitignore b/Software/Android_Studio/Tango.Web/.gitignore
new file mode 100644
index 000000000..796b96d1c
--- /dev/null
+++ b/Software/Android_Studio/Tango.Web/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/Software/Android_Studio/Tango.Web/build.gradle b/Software/Android_Studio/Tango.Web/build.gradle
new file mode 100644
index 000000000..f064794e1
--- /dev/null
+++ b/Software/Android_Studio/Tango.Web/build.gradle
@@ -0,0 +1,43 @@
+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 26
+    buildToolsVersion "26.0.1"
+
+
+    defaultConfig {
+        minSdkVersion 22
+        targetSdkVersion 26
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+        multiDexEnabled true
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation 'com.android.support:appcompat-v7:26.1.0'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+    compile globalDependencies.rxJava
+    compile globalDependencies.rxJavaAndroid
+    compile globalDependencies.retrofit
+    compile globalDependencies.retrofit_protobuf
+    compile globalDependencies.retrofit_rxJava
+    implementation project(':Tango.PMR')
+}
diff --git a/Software/Android_Studio/Tango.Web/proguard-rules.pro b/Software/Android_Studio/Tango.Web/proguard-rules.pro
new file mode 100644
index 000000000..a0eef131a
--- /dev/null
+++ b/Software/Android_Studio/Tango.Web/proguard-rules.pro
@@ -0,0 +1,25 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in C:\Users\Roy\AppData\Local\Android\Sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/Software/Android_Studio/Tango.Web/src/androidTest/java/com/twine/tango/web/ExampleInstrumentedTest.java b/Software/Android_Studio/Tango.Web/src/androidTest/java/com/twine/tango/web/ExampleInstrumentedTest.java
new file mode 100644
index 000000000..8551911d6
--- /dev/null
+++ b/Software/Android_Studio/Tango.Web/src/androidTest/java/com/twine/tango/web/ExampleInstrumentedTest.java
@@ -0,0 +1,31 @@
+package com.twine.tango.web;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+import android.util.Log;
+
+import com.twine.tango.pmr.stubs.CalculateRequestOuterClass.CalculateRequest;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest
+{
+    @Test
+    public void useAppContext() throws Exception
+    {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+        
+        assertEquals("com.twine.tango.web.test", appContext.getPackageName());
+    }
+}
diff --git a/Software/Android_Studio/Tango.Web/src/main/AndroidManifest.xml b/Software/Android_Studio/Tango.Web/src/main/AndroidManifest.xml
new file mode 100644
index 000000000..8978fcb47
--- /dev/null
+++ b/Software/Android_Studio/Tango.Web/src/main/AndroidManifest.xml
@@ -0,0 +1,6 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.twine.tango.web">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+</manifest>
diff --git a/Software/Android_Studio/Tango.Web/src/main/java/com/twine/tango/web/APIFactory.java b/Software/Android_Studio/Tango.Web/src/main/java/com/twine/tango/web/APIFactory.java
new file mode 100644
index 000000000..d244a99c8
--- /dev/null
+++ b/Software/Android_Studio/Tango.Web/src/main/java/com/twine/tango/web/APIFactory.java
@@ -0,0 +1,39 @@
+package com.twine.tango.web;
+
+import java.util.concurrent.TimeUnit;
+
+import okhttp3.OkHttpClient;
+import retrofit2.Retrofit;
+import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
+import retrofit2.converter.protobuf.ProtoConverterFactory;
+
+
+public class APIFactory
+{
+    private String base_url;
+    
+    public APIFactory(String base_url)
+    {
+        this.base_url = base_url;
+    }
+    
+    public ISynchronizationAPI getSynchronizationAPI()
+    {
+        return createAPI(ISynchronizationAPI.class, 60);
+    }
+    
+    private <T> T createAPI(Class<?> cls, int timeout)
+    {
+        Retrofit retrofit = new Retrofit.Builder()
+                .baseUrl(base_url)
+                .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
+                .addConverterFactory(ProtoConverterFactory.create())
+                .client(new OkHttpClient.Builder()
+                        .readTimeout(timeout, TimeUnit.SECONDS)
+                        .writeTimeout(timeout, TimeUnit.SECONDS)
+                        .build())
+                .build();
+        
+        return (T) retrofit.create(cls);
+    }
+}
diff --git a/Software/Android_Studio/Tango.Web/src/main/java/com/twine/tango/web/ISynchronizationAPI.java b/Software/Android_Studio/Tango.Web/src/main/java/com/twine/tango/web/ISynchronizationAPI.java
new file mode 100644
index 000000000..3a3d34c3a
--- /dev/null
+++ b/Software/Android_Studio/Tango.Web/src/main/java/com/twine/tango/web/ISynchronizationAPI.java
@@ -0,0 +1,20 @@
+package com.twine.tango.web;
+
+import com.twine.tango.pmr.stubs.CalculateRequestOuterClass.CalculateRequest;
+import com.twine.tango.pmr.stubs.CalculateResponseOuterClass.CalculateResponse;
+import com.twine.tango.pmr.synchronization.SynchronizeDBRequestOuterClass.SynchronizeDBRequest;
+import com.twine.tango.pmr.synchronization.SynchronizeDBResponseOuterClass.SynchronizeDBResponse;
+
+import io.reactivex.Observable;
+import retrofit2.http.Body;
+import retrofit2.http.POST;
+
+/**
+ * Created by Roy on 11/30/2017.
+ */
+
+public interface ISynchronizationAPI
+{
+    @POST("Synchronization/Synchronize")
+    Observable<SynchronizeDBResponse> synchronize(@Body SynchronizeDBRequest request);
+}
diff --git a/Software/Android_Studio/Tango.Web/src/main/res/values/strings.xml b/Software/Android_Studio/Tango.Web/src/main/res/values/strings.xml
new file mode 100644
index 000000000..5ca3432a7
--- /dev/null
+++ b/Software/Android_Studio/Tango.Web/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Tango.Web</string>
+</resources>
diff --git a/Software/Android_Studio/Tango.Web/src/test/java/com/twine/tango/web/ExampleUnitTest.java b/Software/Android_Studio/Tango.Web/src/test/java/com/twine/tango/web/ExampleUnitTest.java
new file mode 100644
index 000000000..1b13bdc8e
--- /dev/null
+++ b/Software/Android_Studio/Tango.Web/src/test/java/com/twine/tango/web/ExampleUnitTest.java
@@ -0,0 +1,19 @@
+package com.twine.tango.web;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest
+{
+    @Test
+    public void addition_isCorrect() throws Exception
+    {
+        assertEquals(4, 2 + 2);
+    }
+}
\ No newline at end of file
diff --git a/Software/Android_Studio/build.gradle b/Software/Android_Studio/build.gradle
index 37278df02..73b52173e 100644
--- a/Software/Android_Studio/build.gradle
+++ b/Software/Android_Studio/build.gradle
@@ -39,7 +39,10 @@ ext {
             joda: 'net.danlew:android.joda:2.9.9.1',
             stream: 'net.sourceforge.streamsupport:streamsupport:1.5.6',
             linq: 'br.com.zbra:android-linq:1.1.0',
-            storage: 'com.snatik:storage:2.1.0'
+            storage: 'com.snatik:storage:2.1.0',
+            retrofit: 'com.squareup.retrofit2:retrofit:2.3.0',
+            retrofit_protobuf: 'com.squareup.retrofit2:converter-protobuf:2.3.0',
+            retrofit_rxJava: 'com.squareup.retrofit2:adapter-rxjava2:2.3.0'
     ]
 }
 
diff --git a/Software/Android_Studio/settings.gradle b/Software/Android_Studio/settings.gradle
index 8c9325ba4..9c10194eb 100644
--- a/Software/Android_Studio/settings.gradle
+++ b/Software/Android_Studio/settings.gradle
@@ -1 +1 @@
-include ':app', ':Tango.BL', ':Tango.Stubs.UI', ':Tango.SharedUI', ':Tango.Models', ':Tango.Stubs', ':Tango.Integration', ':Tango.Transport', ':Tango.Core', ':Tango.PMR', ':Tango.DAL'
+include ':app', ':Tango.BL', ':Tango.Stubs.UI', ':Tango.SharedUI', ':Tango.Models', ':Tango.Stubs', ':Tango.Integration', ':Tango.Transport', ':Tango.Core', ':Tango.PMR', ':Tango.DAL', ':Tango.Web', ':Tango.Synchronization', ':Tango.UnitTesting'