diff --git a/.idea/misc.xml b/.idea/misc.xml
index cc04cd3..d8fe25a 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="EntryPointsManager">
+    <list size="1">
+      <item index="0" class="java.lang.String" itemvalue="org.greenrobot.eventbus.Subscribe" />
+    </list>
+  </component>
   <component name="NullableNotNullManager">
     <option name="myDefaultNullable" value="android.support.annotation.Nullable" />
     <option name="myDefaultNotNull" value="android.support.annotation.NonNull" />
diff --git a/app/src/main/java/io/github/chronosx88/influence/XMPPConnection.java b/app/src/main/java/io/github/chronosx88/influence/XMPPConnection.java
index cb16644..a1ee1d5 100644
--- a/app/src/main/java/io/github/chronosx88/influence/XMPPConnection.java
+++ b/app/src/main/java/io/github/chronosx88/influence/XMPPConnection.java
@@ -92,6 +92,7 @@ public class XMPPConnection implements ConnectionListener {
                     .setKeystoreType(null)
                     .setSecurityMode(ConnectionConfiguration.SecurityMode.required)
                     .setCompressionEnabled(true)
+                    .setConnectTimeout(7000)
                     .build();
 
             connection = new XMPPTCPConnection(conf);
@@ -104,6 +105,8 @@ public class XMPPConnection implements ConnectionListener {
                 connection.login(credentials.username, credentials.password);
             } catch (InterruptedException e) {
                 e.printStackTrace();
+            } catch (NullPointerException e) {
+                throw new IOException();
             }
 
             ChatManager.getInstanceFor(connection).addIncomingListener(networkHandler);
diff --git a/app/src/main/java/io/github/chronosx88/influence/XMPPConnectionService.java b/app/src/main/java/io/github/chronosx88/influence/XMPPConnectionService.java
index 11e5c22..99247ee 100644
--- a/app/src/main/java/io/github/chronosx88/influence/XMPPConnectionService.java
+++ b/app/src/main/java/io/github/chronosx88/influence/XMPPConnectionService.java
@@ -72,10 +72,10 @@ public class XMPPConnectionService extends Service {
         isThreadAlive = false;
         threadHandler.post(() -> {
             if(connection != null) {
-                connection.disconnect();
-                connection = null;
                 thread.interrupt();
                 thread = null;
+                connection.disconnect();
+                connection = null;
             }
         });
     }
diff --git a/app/src/main/java/io/github/chronosx88/influence/contracts/CoreContracts.kt b/app/src/main/java/io/github/chronosx88/influence/contracts/CoreContracts.kt
index d7e427d..08a1e2d 100644
--- a/app/src/main/java/io/github/chronosx88/influence/contracts/CoreContracts.kt
+++ b/app/src/main/java/io/github/chronosx88/influence/contracts/CoreContracts.kt
@@ -41,11 +41,15 @@ interface CoreContracts {
 
     interface IMainLogicContract {
         fun startService()
+        fun logout()
     }
 
     interface IMainPresenterContract {
         fun initConnection()
         fun startChatWithPeer(username: String)
+        fun logoutFromAccount()
+        fun onStart()
+        fun onStop()
     }
 
     interface IMainViewContract {
diff --git a/app/src/main/java/io/github/chronosx88/influence/helpers/AppHelper.java b/app/src/main/java/io/github/chronosx88/influence/helpers/AppHelper.java
index da3a552..c55221f 100644
--- a/app/src/main/java/io/github/chronosx88/influence/helpers/AppHelper.java
+++ b/app/src/main/java/io/github/chronosx88/influence/helpers/AppHelper.java
@@ -82,6 +82,12 @@ public class AppHelper extends MultiDexApplication {
         AppHelper.setJid(currentLoginCredentials.username + "@" + currentLoginCredentials.jabberHost);
     }
 
+    public static void resetLoginCredentials() {
+        currentLoginCredentials = new LoginCredentials();
+        preferences.edit().remove("jid").apply();
+        preferences.edit().remove("pass").apply();
+    }
+
     private static void initTrueTime() {
         new Thread(() -> {
             boolean isTrueTimeIsOn = false;
@@ -106,11 +112,11 @@ public class AppHelper extends MultiDexApplication {
         return mainUIThreadHandler;
     }
 
-    public static ServiceConnection getServiceConnection() {
-        return serviceConnection;
-    }
-
     public static void setServiceConnection(ServiceConnection serviceConnection) {
         AppHelper.serviceConnection = serviceConnection;
     }
+
+    public static ServiceConnection getServiceConnection() {
+        return serviceConnection;
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/github/chronosx88/influence/helpers/LocalDBWrapper.java b/app/src/main/java/io/github/chronosx88/influence/helpers/LocalDBWrapper.java
index 4a6240b..fa160c6 100644
--- a/app/src/main/java/io/github/chronosx88/influence/helpers/LocalDBWrapper.java
+++ b/app/src/main/java/io/github/chronosx88/influence/helpers/LocalDBWrapper.java
@@ -58,4 +58,9 @@ public class LocalDBWrapper {
     public static void updateMessage(MessageEntity messageEntity) {
         dbInstance.messageDao().updateMessage(messageEntity);
     }
+
+    public static void clearDatabase() {
+        dbInstance.messageDao().clearMessages();
+        dbInstance.chatDao().clearChats();
+    }
 }
diff --git a/app/src/main/java/io/github/chronosx88/influence/helpers/ObservableActions.java b/app/src/main/java/io/github/chronosx88/influence/helpers/ObservableActions.java
deleted file mode 100644
index fcc460b..0000000
--- a/app/src/main/java/io/github/chronosx88/influence/helpers/ObservableActions.java
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright (C) 2019 ChronosX88
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- */
-
-package io.github.chronosx88.influence.helpers;
-
-public class ObservableActions {
-    public static final int NEW_CHAT_CREATED = 0x0;
-}
diff --git a/app/src/main/java/io/github/chronosx88/influence/logic/MainLogic.java b/app/src/main/java/io/github/chronosx88/influence/logic/MainLogic.java
index 7fe00fe..50dee1e 100644
--- a/app/src/main/java/io/github/chronosx88/influence/logic/MainLogic.java
+++ b/app/src/main/java/io/github/chronosx88/influence/logic/MainLogic.java
@@ -9,6 +9,7 @@ import android.os.IBinder;
 import io.github.chronosx88.influence.XMPPConnectionService;
 import io.github.chronosx88.influence.contracts.CoreContracts;
 import io.github.chronosx88.influence.helpers.AppHelper;
+import io.github.chronosx88.influence.helpers.LocalDBWrapper;
 
 public class MainLogic implements CoreContracts.IMainLogicContract {
     private static final String LOG_TAG = MainLogic.class.getName();
@@ -34,6 +35,15 @@ public class MainLogic implements CoreContracts.IMainLogicContract {
                 AppHelper.setXmppConnection(null);
             }
         };
+        AppHelper.setServiceConnection(connection);
         context.bindService(new Intent(context, XMPPConnectionService.class), connection,Context.BIND_AUTO_CREATE);
     }
+
+    @Override
+    public void logout() {
+        LocalDBWrapper.clearDatabase();
+        AppHelper.resetLoginCredentials();
+        context.unbindService(AppHelper.getServiceConnection());
+        context.stopService(new Intent(context, XMPPConnectionService.class));
+    }
 }
diff --git a/app/src/main/java/io/github/chronosx88/influence/models/daos/ChatDao.java b/app/src/main/java/io/github/chronosx88/influence/models/daos/ChatDao.java
index 04b3adb..4991101 100644
--- a/app/src/main/java/io/github/chronosx88/influence/models/daos/ChatDao.java
+++ b/app/src/main/java/io/github/chronosx88/influence/models/daos/ChatDao.java
@@ -25,4 +25,7 @@ public interface ChatDao {
 
     @Update
     void updateChat(ChatEntity chat);
+
+    @Query("DELETE FROM chats")
+    void clearChats();
 }
diff --git a/app/src/main/java/io/github/chronosx88/influence/models/daos/MessageDao.java b/app/src/main/java/io/github/chronosx88/influence/models/daos/MessageDao.java
index bba41ae..5894353 100644
--- a/app/src/main/java/io/github/chronosx88/influence/models/daos/MessageDao.java
+++ b/app/src/main/java/io/github/chronosx88/influence/models/daos/MessageDao.java
@@ -28,4 +28,7 @@ public interface MessageDao {
 
     @Update
     void updateMessage(MessageEntity message);
+
+    @Query("DELETE FROM messages")
+    void clearMessages();
 }
diff --git a/app/src/main/java/io/github/chronosx88/influence/presenters/DialogListPresenter.java b/app/src/main/java/io/github/chronosx88/influence/presenters/DialogListPresenter.java
index f22d428..83f4959 100644
--- a/app/src/main/java/io/github/chronosx88/influence/presenters/DialogListPresenter.java
+++ b/app/src/main/java/io/github/chronosx88/influence/presenters/DialogListPresenter.java
@@ -1,3 +1,20 @@
+/*
+ * Copyright (C) 2019 ChronosX88
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package io.github.chronosx88.influence.presenters;
 
 import android.content.Intent;
diff --git a/app/src/main/java/io/github/chronosx88/influence/presenters/MainPresenter.kt b/app/src/main/java/io/github/chronosx88/influence/presenters/MainPresenter.kt
index 4d90b84..df19b7b 100644
--- a/app/src/main/java/io/github/chronosx88/influence/presenters/MainPresenter.kt
+++ b/app/src/main/java/io/github/chronosx88/influence/presenters/MainPresenter.kt
@@ -15,10 +15,6 @@ import org.greenrobot.eventbus.ThreadMode
 class MainPresenter(private val view: CoreContracts.IMainViewContract) : CoreContracts.IMainPresenterContract {
     private val logic: CoreContracts.IMainLogicContract = MainLogic()
 
-    init {
-        EventBus.getDefault().register(this)
-    }
-
     override fun initConnection() {
         logic.startService()
     }
@@ -38,4 +34,16 @@ class MainPresenter(private val view: CoreContracts.IMainViewContract) : CoreCon
             }
         }
     }
+
+    override fun logoutFromAccount() {
+        logic.logout()
+    }
+
+    override fun onStart() {
+        EventBus.getDefault().register(this)
+    }
+
+    override fun onStop() {
+        EventBus.getDefault().unregister(this)
+    }
 }
diff --git a/app/src/main/java/io/github/chronosx88/influence/views/LoginActivity.java b/app/src/main/java/io/github/chronosx88/influence/views/LoginActivity.java
index e7a2672..a7d216b 100644
--- a/app/src/main/java/io/github/chronosx88/influence/views/LoginActivity.java
+++ b/app/src/main/java/io/github/chronosx88/influence/views/LoginActivity.java
@@ -166,11 +166,13 @@ public class LoginActivity extends AppCompatActivity implements CoreContracts.IL
             case AuthenticationStatusEvent.INCORRECT_LOGIN_OR_PASSWORD: {
                 loadingScreen(false);
                 passwordInputLayout.setError("Invalid JID/Password");
+                AppHelper.resetLoginCredentials();
                 break;
             }
             case AuthenticationStatusEvent.NETWORK_ERROR: {
                 loadingScreen(false);
                 jidInputLayout.setError("Network error");
+                AppHelper.resetLoginCredentials();
                 break;
             }
         }
diff --git a/app/src/main/java/io/github/chronosx88/influence/views/MainActivity.java b/app/src/main/java/io/github/chronosx88/influence/views/MainActivity.java
index 19a92fc..377fba0 100644
--- a/app/src/main/java/io/github/chronosx88/influence/views/MainActivity.java
+++ b/app/src/main/java/io/github/chronosx88/influence/views/MainActivity.java
@@ -1,6 +1,7 @@
 package io.github.chronosx88.influence.views;
 
 import android.app.ProgressDialog;
+import android.content.Intent;
 import android.os.Bundle;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -87,6 +88,21 @@ public class MainActivity extends AppCompatActivity implements CoreContracts.IMa
         return true;
     }
 
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        super.onOptionsItemSelected(item);
+        switch (item.getItemId()) {
+            case R.id.menu_logout_item: {
+                presenter.logoutFromAccount();
+                startActivity(new Intent(this, LoginActivity.class));
+                finish();
+                break;
+            }
+        }
+
+        return true;
+    }
+
     @Override
     public void showSnackbar(@NotNull String message) {
         runOnUiThread(() -> Snackbar.make(getRootView(), message, Snackbar.LENGTH_LONG).show());
@@ -115,4 +131,16 @@ public class MainActivity extends AppCompatActivity implements CoreContracts.IMa
 
         return rootView;
     }
+
+    @Override
+    protected void onStart() {
+        super.onStart();
+        presenter.onStart();
+    }
+
+    @Override
+    protected void onStop() {
+        super.onStop();
+        presenter.onStop();
+    }
 }
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
index 9749ab7..fc8e1fe 100644
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -26,7 +26,8 @@
     <com.google.android.material.textfield.TextInputLayout
         android:id="@+id/jid_input_layout"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content">
+        android:layout_height="wrap_content"
+        android:paddingTop="5dp">
 
         <EditText
             android:id="@+id/login_jid"
@@ -42,7 +43,8 @@
     <com.google.android.material.textfield.TextInputLayout
         android:id="@+id/password_input_layout"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content">
+        android:layout_height="wrap_content"
+        android:paddingTop="10dp">
 
         <EditText
             android:id="@+id/login_password"
@@ -63,7 +65,6 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginTop="16dp"
-        android:text="SIGN IN"
-        android:textStyle="bold" />
+        android:text="@string/sign_in_button"/>
 
 </LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/menu/main_actionbar_menu.xml b/app/src/main/res/menu/main_actionbar_menu.xml
index d3be4b4..d6a0123 100644
--- a/app/src/main/res/menu/main_actionbar_menu.xml
+++ b/app/src/main/res/menu/main_actionbar_menu.xml
@@ -16,5 +16,11 @@
   ~ along with this program. If not, see <https://www.gnu.org/licenses/>.
   -->
 
-<menu>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/menu_logout_item"
+        app:showAsAction="never"
+        android:title="@string/logout">
+    </item>
 </menu>
\ No newline at end of file
diff --git a/app/src/main/res/values-ru-rRU/strings.xml b/app/src/main/res/values-ru-rRU/strings.xml
index 1c4d58d..0f44e03 100644
--- a/app/src/main/res/values-ru-rRU/strings.xml
+++ b/app/src/main/res/values-ru-rRU/strings.xml
@@ -1,14 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <string name="app_name">Influence</string>
-    <string name="username_saved">Ваше имя пользователя успешно сохранено!</string>
-    <string name="username_isnt_saved">К сожалению, это имя пользователя занято.</string>
     <string name="ok">OK</string>
     <string name="cancel">Отмена</string>
-    <string name="username_settings">Ваше имя пользователя</string>
-    <string name="username_hint">Имя пользователя</string>
-    <string name="reconnect_network">Переподключиться к сети</string>
-    <string name="node_already_running">Узел уже запущен</string>
-    <string name="input_companion_username">Введите имя пользователя собеседника</string>
+    <string name="input_companion_username">Введите JID собеседника</string>
     <string name="hint_enter_a_message">Введите сообщение...</string>
+    <string name="logout">Выйти из аккаунта</string>
+    <string name="sign_in_button">Войти</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 18bf544..60ecd4a 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,13 +1,9 @@
 <resources>
     <string name="app_name">Influence</string>
-    <string name="username_saved">Your username saved successfully!</string>
-    <string name="username_isnt_saved">Sorry, this username is busy.</string>
     <string name="ok">OK</string>
     <string name="cancel">Cancel</string>
-    <string name="username_settings">Your username</string>
-    <string name="username_hint">Username</string>
-    <string name="reconnect_network">Reconnect to the network</string>
-    <string name="node_already_running">Node already running</string>
-    <string name="input_companion_username">Input interlocutor\'s username</string>
+    <string name="input_companion_username">Input interlocutor\'s JID</string>
     <string name="hint_enter_a_message">Enter message...</string>
+    <string name="logout">Log out from account</string>
+    <string name="sign_in_button">Sign In</string>
 </resources>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 0a9eef5..255be66 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -12,7 +12,7 @@
         <item name="alertDialogStyle">@style/CustomAlertStyle</item>
         <item name="android:windowBackground">@android:color/transparent</item>
         <item name="android:textColorPrimary">#FFFFFF</item>
-        <item name="colorAccent">@color/colorPrimary</item>
+        <item name="colorAccent">@color/colorAccent</item>
         <item name="android:backgroundDimEnabled">true</item>
         <item name="android:textColor">#FFFFFF</item>
         <item name="android:textStyle">normal</item>