Merge pull request #88 from RocketChat/feature/unread-mode

Feature/unread mode

app/src/main/java/chat/rocket/android/RocketChatApplication.java

@@ -36,6 +36,6 @@ public class RocketChatApplication extends MultiDexApplication {
 
     InstabugWrapper.build(this, getString(R.string.instabug_api_key));
 
-    //TODO: add periodic trigger for RocketChatService.keepalive(this) here!
+    //TODO: add periodic trigger for RocketChatService.keepAlive(this) here!
   }
 }

app/src/main/java/chat/rocket/android/api/DDPClientWrapper.java

 package chat.rocket.android.api;
 
 import android.support.annotation.Nullable;
-import org.json.JSONArray;
-import org.json.JSONException;
 
-import java.util.UUID;
 import bolts.Task;
 import chat.rocket.android.helper.OkHttpHelper;
 import chat.rocket.android.helper.TextUtils;
@@ -12,6 +9,11 @@ import chat.rocket.android.log.RCLog;
 import chat.rocket.android_ddp.DDPClient;
 import chat.rocket.android_ddp.DDPClientCallback;
 import chat.rocket.android_ddp.DDPSubscription;
+import java.util.UUID;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+
 import rx.Observable;
 
 /**

app/src/main/java/chat/rocket/android/fragment/sidebar/SidebarMainFragment.java

@@ -7,16 +7,14 @@ import android.widget.CompoundButton;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
-import com.jakewharton.rxbinding.view.RxView;
-import com.jakewharton.rxbinding.widget.RxCompoundButton;
 
 import chat.rocket.android.R;
 import chat.rocket.android.RocketChatCache;
 import chat.rocket.android.api.MethodCallHelper;
 import chat.rocket.android.fragment.AbstractFragment;
 import chat.rocket.android.fragment.sidebar.dialog.AbstractAddRoomDialogFragment;
-import chat.rocket.android.fragment.sidebar.dialog.AddChannelDialogFragment;
 import chat.rocket.android.fragment.sidebar.dialog.AddDirectMessageDialogFragment;
+import chat.rocket.android.fragment.sidebar.dialog.AddChannelDialogFragment;
 import chat.rocket.android.helper.LogcatIfError;
 import chat.rocket.android.helper.TextUtils;
 import chat.rocket.android.layouthelper.chatroom.RoomListManager;
@@ -29,6 +27,9 @@ import chat.rocket.android.realm_helper.RealmObjectObserver;
 import chat.rocket.android.realm_helper.RealmStore;
 import chat.rocket.android.renderer.UserRenderer;
 
+import com.jakewharton.rxbinding.view.RxView;
+import com.jakewharton.rxbinding.widget.RxCompoundButton;
+
 public class SidebarMainFragment extends AbstractFragment {
 
   private String serverConfigId;
@@ -75,7 +76,7 @@ public class SidebarMainFragment extends AbstractFragment {
 
         currentUserObserver = realmHelper
             .createObjectObserver(User::queryCurrentUser)
-            .setOnUpdateListener(this::onRenderCurrentUser);
+            .setOnUpdateListener(this::onCurrentUser);
 
         methodCallHelper = new MethodCallHelper(getContext(), serverConfigId);
       }
@@ -103,6 +104,8 @@ public class SidebarMainFragment extends AbstractFragment {
     setupAddChannelButton();
 
     roomListManager = new RoomListManager(
+        rootView.findViewById(R.id.unread_title),
+        (LinearLayout) rootView.findViewById(R.id.unread_container),
         (LinearLayout) rootView.findViewById(R.id.channels_container),
         (LinearLayout) rootView.findViewById(R.id.direct_messages_container));
     roomListManager.setOnItemClickListener(view -> {
@@ -142,6 +145,11 @@ public class SidebarMainFragment extends AbstractFragment {
     }
   }
 
+  private void onCurrentUser(User user) {
+    onRenderCurrentUser(user);
+    updateRoomListMode(user);
+  }
+
   private void onRenderCurrentUser(User user) {
     if (user != null && !TextUtils.isEmpty(hostname)) {
       new UserRenderer(getContext(), user)
@@ -151,6 +159,13 @@ public class SidebarMainFragment extends AbstractFragment {
     }
   }
 
+  private void updateRoomListMode(User user) {
+    if (user == null || user.getSettings() == null || user.getSettings().getPreferences() == null) {
+      return;
+    }
+    roomListManager.setUnreadRoomMode(user.getSettings().getPreferences().isUnreadRoomsMode());
+  }
+
   private void setupLogoutButton() {
     rootView.findViewById(R.id.btn_logout).setOnClickListener(view -> {
       if (methodCallHelper != null) {

app/src/main/java/chat/rocket/android/layouthelper/chatroom/RoomListManager.java

@@ -3,61 +3,60 @@ package chat.rocket.android.layouthelper.chatroom;
 import android.view.View;
 import android.view.ViewGroup;
 
-import java.util.List;
 import chat.rocket.android.helper.TextUtils;
 import chat.rocket.android.model.ddp.RoomSubscription;
 import chat.rocket.android.widget.internal.RoomListItemView;
+import java.util.List;
 
 /**
  * Utility class for mapping Room list into channel list ViewGroup.
  */
 public class RoomListManager {
+  private View unreadTitle;
+  private ViewGroup unreadRoomsContainer;
   private ViewGroup channelsContainer;
   private ViewGroup dmContainer;
+
+  private boolean unreadRoomMode = false;
+
+  private List<RoomSubscription> roomSubscriptionList;
+
+  /**
+   * Callback interface for List item clicked.
+   */
+  public interface OnItemClickListener {
+    void onItemClick(RoomListItemView roomListItemView);
+  }
+
   private OnItemClickListener listener;
 
+  /**
+   * constructor with three ViewGroups.
+   */
+  public RoomListManager(View unreadTitle, ViewGroup unreadRoomsContainer,
+                         ViewGroup channelsContainer, ViewGroup dmContainer) {
+    this(unreadTitle, unreadRoomsContainer, channelsContainer, dmContainer, false);
+  }
+
   /**
    * constructor with two ViewGroups.
    */
-  public RoomListManager(ViewGroup channelsContainer, ViewGroup dmContainer) {
+  public RoomListManager(View unreadTitle, ViewGroup unreadRoomsContainer,
+                         ViewGroup channelsContainer, ViewGroup dmContainer,
+                         boolean unreadRoomMode) {
+    this.unreadTitle = unreadTitle;
+    this.unreadRoomsContainer = unreadRoomsContainer;
     this.channelsContainer = channelsContainer;
     this.dmContainer = dmContainer;
-  }
-
-  private static void removeItemIfExists(ViewGroup parent, String roomName) {
-    for (int i = 0; i < parent.getChildCount(); i++) {
-      RoomListItemView roomListItemView = (RoomListItemView) parent.getChildAt(i);
-      if (roomName.equals(roomListItemView.getRoomName())) {
-        parent.removeViewAt(i);
-        break;
-      }
-    }
+    this.unreadRoomMode = unreadRoomMode;
   }
 
   /**
    * update ViewGroups with room list.
    */
   public void setRooms(List<RoomSubscription> roomSubscriptionList) {
-    removeDeletedItem(channelsContainer, roomSubscriptionList);
-    removeDeletedItem(dmContainer, roomSubscriptionList);
-
-    for (RoomSubscription roomSubscription : roomSubscriptionList) {
-      String name = roomSubscription.getName();
-      if (TextUtils.isEmpty(name)) {
-        continue;
-      }
-
-      String type = roomSubscription.getType();
-
-      if (RoomSubscription.TYPE_CHANNEL.equals(type)
-          || RoomSubscription.TYPE_PRIVATE.equals(type)) {
-        insertOrUpdateItem(channelsContainer, roomSubscription);
-        removeItemIfExists(dmContainer, name);
-      } else if (RoomSubscription.TYPE_DIRECT_MESSAGE.equals(type)) {
-        removeItemIfExists(channelsContainer, name);
-        insertOrUpdateItem(dmContainer, roomSubscription);
-      }
-    }
+    this.roomSubscriptionList = roomSubscriptionList;
+    updateRoomsList();
   }
 
   /**
@@ -86,6 +85,11 @@ public class RoomListManager {
     }
   }
 
+  public void setUnreadRoomMode(boolean unreadRoomMode) {
+    this.unreadRoomMode = unreadRoomMode;
+    updateRoomsList();
+  }
+
   private void insertOrUpdateItem(ViewGroup parent, RoomSubscription roomSubscription) {
     final String roomName = roomSubscription.getName();
 
@@ -129,10 +133,47 @@ public class RoomListManager {
     }
   }
 
-  /**
-   * Callback interface for List item clicked.
-   */
-  public interface OnItemClickListener {
-    void onItemClick(RoomListItemView roomListItemView);
+  private void updateRoomsList() {
+    removeDeletedItem(unreadRoomsContainer, roomSubscriptionList);
+    removeDeletedItem(channelsContainer, roomSubscriptionList);
+    removeDeletedItem(dmContainer, roomSubscriptionList);
+
+    for (RoomSubscription roomSubscription : roomSubscriptionList) {
+      String name = roomSubscription.getName();
+      if (TextUtils.isEmpty(name)) {
+        continue;
+      }
+
+      String type = roomSubscription.getType();
+
+      if (unreadRoomMode && roomSubscription.isAlert()) {
+        insertOrUpdateItem(unreadRoomsContainer, roomSubscription);
+        removeItemIfExists(channelsContainer, name);
+        removeItemIfExists(dmContainer, name);
+      } else if (RoomSubscription.TYPE_CHANNEL.equals(type)
+          || RoomSubscription.TYPE_PRIVATE.equals(type)) {
+        removeItemIfExists(unreadRoomsContainer, name);
+        insertOrUpdateItem(channelsContainer, roomSubscription);
+        removeItemIfExists(dmContainer, name);
+      } else if (RoomSubscription.TYPE_DIRECT_MESSAGE.equals(type)) {
+        removeItemIfExists(unreadRoomsContainer, name);
+        removeItemIfExists(channelsContainer, name);
+        insertOrUpdateItem(dmContainer, roomSubscription);
+      }
+    }
+
+    boolean showUnread = unreadRoomMode && unreadRoomsContainer.getChildCount() != 0;
+    unreadTitle.setVisibility(showUnread ? View.VISIBLE : View.GONE);
+    unreadRoomsContainer.setVisibility(showUnread ? View.VISIBLE : View.GONE);
+  }
+
+  private static void removeItemIfExists(ViewGroup parent, String roomName) {
+    for (int i = 0; i < parent.getChildCount(); i++) {
+      RoomListItemView roomListItemView = (RoomListItemView) parent.getChildAt(i);
+      if (roomName.equals(roomListItemView.getRoomName())) {
+        parent.removeViewAt(i);
+        break;
+      }
+    }
   }
 }

app/src/main/java/chat/rocket/android/model/ddp/Preferences.java

+package chat.rocket.android.model.ddp;
+
+import io.realm.RealmObject;
+import io.realm.annotations.PrimaryKey;
+
+@SuppressWarnings({"PMD.ShortVariable"})
+public class Preferences extends RealmObject {
+
+  @PrimaryKey private String id;
+
+  private boolean newRoomNotification;
+  private boolean newMessageNotification;
+  private boolean useEmojis;
+  private boolean convertAsciiEmoji;
+  private boolean saveMobileBandwidth;
+  private boolean collapseMediaByDefault;
+  private boolean unreadRoomsMode;
+  private boolean autoImageLoad;
+  private String emailNotificationMode;
+  private boolean unreadAlert;
+  private int desktopNotificationDuration;
+  private int viewMode;
+  private boolean hideUsernames;
+  private boolean hideAvatars;
+  private boolean hideFlexTab;
+//  private List<String> highlights; // Realm does not support this yet
+
+  public boolean isNewRoomNotification() {
+    return newRoomNotification;
+  }
+
+  public boolean isNewMessageNotification() {
+    return newMessageNotification;
+  }
+
+  public boolean isUseEmojis() {
+    return useEmojis;
+  }
+
+  public boolean isConvertAsciiEmoji() {
+    return convertAsciiEmoji;
+  }
+
+  public boolean isSaveMobileBandwidth() {
+    return saveMobileBandwidth;
+  }
+
+  public boolean isCollapseMediaByDefault() {
+    return collapseMediaByDefault;
+  }
+
+  public boolean isUnreadRoomsMode() {
+    return unreadRoomsMode;
+  }
+
+  public boolean isAutoImageLoad() {
+    return autoImageLoad;
+  }
+
+  public String getEmailNotificationMode() {
+    return emailNotificationMode;
+  }
+
+  public boolean isUnreadAlert() {
+    return unreadAlert;
+  }
+
+  public int getDesktopNotificationDuration() {
+    return desktopNotificationDuration;
+  }
+
+  public int getViewMode() {
+    return viewMode;
+  }
+
+  public boolean isHideUsernames() {
+    return hideUsernames;
+  }
+
+  public boolean isHideAvatars() {
+    return hideAvatars;
+  }
+
+  public boolean isHideFlexTab() {
+    return hideFlexTab;
+  }
+}

app/src/main/java/chat/rocket/android/model/ddp/Settings.java

+package chat.rocket.android.model.ddp;
+
+import io.realm.RealmObject;
+import io.realm.annotations.PrimaryKey;
+
+@SuppressWarnings({"PMD.ShortVariable"})
+public class Settings extends RealmObject {
+
+  @PrimaryKey private String id;
+
+  private Preferences preferences;
+
+  public Preferences getPreferences() {
+    return preferences;
+  }
+}

app/src/main/java/chat/rocket/android/model/ddp/User.java

@@ -22,6 +22,7 @@ public class User extends RealmObject {
   private String status;
   private double utcOffset;
   private RealmList<Email> emails;
+  private Settings settings;
 
   public static RealmQuery<User> queryCurrentUser(Realm realm) {
     return realm.where(User.class).isNotEmpty("emails");
@@ -66,4 +67,8 @@ public class User extends RealmObject {
   public void setEmails(RealmList<Email> emails) {
     this.emails = emails;
   }
+
+  public Settings getSettings() {
+    return settings;
+  }
 }

app/src/main/java/chat/rocket/android/model/internal/LoadMessageProcedure.java

@@ -14,6 +14,7 @@ public class LoadMessageProcedure extends RealmObject {
   private long timestamp;
   private int count;
 
+  @SuppressWarnings({"PMD.AvoidFieldNameMatchingMethodName"})
   private boolean hasNext;
 
   public String getRoomId() {

app/src/main/java/chat/rocket/android/service/RocketChatService.java

@@ -71,7 +71,7 @@ public class RocketChatService extends Service {
       if (webSocketThreads.containsKey(serverConfigId)) {
         RocketChatWebSocketThread thread = webSocketThreads.get(serverConfigId);
         if (thread != null) {
-          thread.keepalive();
+          thread.keepAlive();
         }
       }
     }
@@ -110,7 +110,7 @@ public class RocketChatService extends Service {
         .onSuccessTask(task -> {
           RocketChatWebSocketThread thread = task.getResult();
           if (thread != null) {
-            thread.keepalive();
+            thread.keepAlive();
           }
           return ServerConfig.updateState(serverConfigId, ServerConfig.STATE_CONNECTED);
         }).continueWith(new LogcatIfError());

app/src/main/java/chat/rocket/android/service/RocketChatWebSocketThread.java

@@ -140,7 +140,7 @@ public class RocketChatWebSocketThread extends HandlerThread {
    * synchronize the state of the thread with ServerConfig.
    */
   @DebugLog
-  public void keepalive() {
+  public void keepAlive() {
     if (ddpClient == null || !ddpClient.isConnected()) {
       defaultRealm.executeTransaction(realm -> {
         ServerConfig config = realm.where(ServerConfig.class)
@@ -242,9 +242,9 @@ public class RocketChatWebSocketThread extends HandlerThread {
         Object obj = ctor.newInstance(appContext, hostname, serverConfigRealm, ddpClient);
 
         if (obj instanceof Registrable) {
-          Registrable registerable = (Registrable) obj;
-          registerable.register();
-          listeners.add(registerable);
+          Registrable registrable = (Registrable) obj;
+          registrable.register();
+          listeners.add(registrable);
         }
       } catch (Exception exception) {
         RCLog.w(exception, "Failed to register listeners!!");
@@ -260,8 +260,8 @@ public class RocketChatWebSocketThread extends HandlerThread {
 
     Iterator<Registrable> iterator = listeners.iterator();
     while (iterator.hasNext()) {
-      Registrable registerable = iterator.next();
-      registerable.unregister();
+      Registrable registrable = iterator.next();
+      registrable.unregister();
       iterator.remove();
     }
     if (ddpClient != null) {

app/src/main/java/chat/rocket/android/service/ddp/base/UserDataSubscriber.java

@@ -3,6 +3,9 @@ package chat.rocket.android.service.ddp.base;
 import android.content.Context;
 import io.realm.RealmObject;
 
+import org.json.JSONException;
+import org.json.JSONObject;
+
 import chat.rocket.android.api.DDPClientWrapper;
 import chat.rocket.android.model.ddp.User;
 import chat.rocket.android.realm_helper.RealmHelper;
@@ -30,4 +33,23 @@ public class UserDataSubscriber extends AbstractBaseSubscriber {
   protected Class<? extends RealmObject> getModelClass() {
     return User.class;
   }
+
+  @Override
+  protected JSONObject customizeFieldJson(JSONObject json) throws JSONException {
+    json = super.customizeFieldJson(json);
+
+    // The user object may have some children without a proper primary key (ex.: settings)
+    // Here we identify this and add a local key
+    if (json.has("settings")) {
+      final JSONObject settingsJson = json.getJSONObject("settings");
+      settingsJson.put("id", json.getString("_id"));
+
+      if (settingsJson.has("preferences")) {
+        final JSONObject preferencesJson = settingsJson.getJSONObject("preferences");
+        preferencesJson.put("id", json.getString("_id"));
+      }
+    }
+
+    return json;
+  }
 }

app/src/main/res/layout/fragment_sidebar_main.xml

@@ -3,8 +3,7 @@
         xmlns:tools="http://schemas.android.com/tools"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:theme="@style/AppTheme.Dark"
-        >
+        android:theme="@style/AppTheme.Dark">
 
     <LinearLayout
             android:id="@+id/user_info_container"
@@ -16,26 +15,22 @@
             android:foreground="?attr/selectableItemBackground"
             android:gravity="center_vertical"
             android:orientation="horizontal"
-            android:padding="@dimen/margin_16"
-            >
+            android:padding="@dimen/margin_16">
 
         <ImageView
                 android:id="@+id/current_user_status"
                 android:layout_width="8dp"
                 android:layout_height="8dp"
-                android:src="@drawable/userstatus_online"
-                />
+                android:src="@drawable/userstatus_online" />
 
         <Space
                 android:layout_width="@dimen/margin_8"
-                android:layout_height="wrap_content"
-                />
+                android:layout_height="wrap_content" />
 
         <ImageView
                 android:id="@+id/current_user_avatar"
                 android:layout_width="48dp"
-                android:layout_height="48dp"
-                />
+                android:layout_height="48dp" />
 
         <TextView
                 android:id="@+id/current_user_name"
@@ -46,14 +41,12 @@
                 android:layout_marginRight="@dimen/margin_8"
                 android:layout_weight="1"
                 android:textSize="14sp"
-                tools:text="John Doe"
-                />
+                tools:text="John Doe" />
 
         <chat.rocket.android.widget.DownUpToggleView
                 android:id="@+id/toggle_user_action"
                 android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                />
+                android:layout_height="wrap_content" />
 
     </LinearLayout>
 
@@ -62,21 +55,37 @@
             android:layout_height="wrap_content"
             android:layout_alignParentBottom="true"
             android:layout_below="@+id/user_info_container"
-            android:background="?attr/colorPrimary"
-            >
+            android:background="?attr/colorPrimary">
 
         <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:orientation="vertical"
-                android:paddingStart="?attr/listPreferredItemPaddingLeft"
-                >
+                android:paddingStart="?attr/listPreferredItemPaddingLeft">
+
+            <TextView
+                    android:id="@+id/unread_title"
+                    android:layout_marginTop="@dimen/margin_8"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:gravity="center_vertical"
+                    android:minHeight="48dp"
+                    android:alpha="0.62"
+                    android:text="@string/fragment_sidebar_main_unread_rooms_title"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Body2"
+                    android:textStyle="bold" />
+
+            <LinearLayout
+                    android:id="@+id/unread_container"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginEnd="?attr/listPreferredItemPaddingRight"
+                    android:orientation="vertical" />
 
             <FrameLayout
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:layout_marginTop="@dimen/margin_8"
-                    >
+                    android:layout_marginTop="@dimen/margin_8">
 
                 <TextView
                         android:layout_width="wrap_content"
@@ -85,8 +94,7 @@
                         android:alpha="0.62"
                         android:text="@string/fragment_sidebar_main_channels_title"
                         android:textAppearance="@style/TextAppearance.AppCompat.Body2"
-                        android:textStyle="bold"
-                        />
+                        android:textStyle="bold" />
 
                 <chat.rocket.android.widget.FontAwesomeButton
                         android:id="@+id/btn_add_channel"
@@ -95,8 +103,7 @@
                         android:layout_height="48dp"
                         android:layout_gravity="end|center_vertical"
                         android:text="@string/fa_plus"
-                        android:textSize="12dp"
-                        />
+                        android:textSize="12dp" />
 
             </FrameLayout>
 
@@ -105,14 +112,12 @@
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:layout_marginEnd="?attr/listPreferredItemPaddingRight"
-                    android:orientation="vertical"
-                    />
+                    android:orientation="vertical" />
 
             <FrameLayout
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:layout_marginTop="@dimen/margin_8"
-                    >
+                    android:layout_marginTop="@dimen/margin_8">
 
                 <TextView
                         android:layout_width="wrap_content"
@@ -121,8 +126,7 @@
                         android:alpha="0.62"
                         android:text="@string/fragment_sidebar_main_direct_messages_title"
                         android:textAppearance="@style/TextAppearance.AppCompat.Body2"
-                        android:textStyle="bold"
-                        />
+                        android:textStyle="bold" />
 
                 <chat.rocket.android.widget.FontAwesomeButton
                         android:id="@+id/btn_add_direct_message"
@@ -131,8 +135,7 @@
                         android:layout_height="48dp"
                         android:layout_gravity="end|center_vertical"
                         android:text="@string/fa_plus"
-                        android:textSize="12dp"
-                        />
+                        android:textSize="12dp" />
 
             </FrameLayout>
 
@@ -141,8 +144,7 @@
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:layout_marginEnd="?attr/listPreferredItemPaddingRight"
-                    android:orientation="vertical"
-                    />
+                    android:orientation="vertical" />
 
         </LinearLayout>
     </android.support.v4.widget.NestedScrollView>
@@ -156,14 +158,12 @@
             android:background="?attr/colorPrimaryDark"
             android:elevation="2dp"
             android:visibility="gone"
-            tools:visibility="visible"
-            >
+            tools:visibility="gone">
 
         <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:orientation="vertical"
-                >
+                android:orientation="vertical">
 
             <TextView
                     android:id="@+id/btn_status_online"
@@ -172,8 +172,7 @@
                     android:drawableLeft="@drawable/userstatus_online"
                     android:drawablePadding="16dp"
                     android:text="@string/user_status_online"
-                    android:textAppearance="?attr/textAppearanceListItemSmall"
-                    />
+                    android:textAppearance="?attr/textAppearanceListItemSmall" />
 
             <TextView
                     android:id="@+id/btn_status_away"
@@ -182,8 +181,7 @@
                     android:drawableLeft="@drawable/userstatus_away"
                     android:drawablePadding="16dp"
                     android:text="@string/user_status_away"
-                    android:textAppearance="?attr/textAppearanceListItemSmall"
-                    />
+                    android:textAppearance="?attr/textAppearanceListItemSmall" />
 
             <TextView
                     android:id="@+id/btn_status_busy"
@@ -192,8 +190,7 @@
                     android:drawableLeft="@drawable/userstatus_busy"
                     android:drawablePadding="16dp"
                     android:text="@string/user_status_busy"
-                    android:textAppearance="?attr/textAppearanceListItemSmall"
-                    />
+                    android:textAppearance="?attr/textAppearanceListItemSmall" />
 
             <TextView
                     android:id="@+id/btn_status_invisible"
@@ -202,24 +199,20 @@
                     android:drawableLeft="@drawable/userstatus_offline"
                     android:drawablePadding="16dp"
                     android:text="@string/user_status_invisible"
-                    android:textAppearance="?attr/textAppearanceListItemSmall"
-                    />
+                    android:textAppearance="?attr/textAppearanceListItemSmall" />
 
             <chat.rocket.android.widget.DividerView
                     android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    />
+                    android:layout_height="wrap_content" />
 
             <LinearLayout
                     android:id="@+id/btn_logout"
                     style="@style/sidebar_list_item"
-                    android:orientation="horizontal"
-                    >
+                    android:orientation="horizontal">
 
                 <FrameLayout
                         android:layout_width="48dp"
-                        android:layout_height="match_parent"
-                        >
+                        android:layout_height="match_parent">
 
                     <chat.rocket.android.widget.FontAwesomeTextView
                             android:layout_width="16dp"
@@ -227,16 +220,14 @@
                             android:layout_gravity="center"
                             android:gravity="center"
                             android:text="@string/fa_sign_out"
-                            android:textSize="14dp"
-                            />
+                            android:textSize="14dp" />
                 </FrameLayout>
 
                 <TextView
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
                         android:text="@string/fragment_sidebar_main_logout_title"
-                        android:textAppearance="?attr/textAppearanceListItemSmall"
-                        />
+                        android:textAppearance="?attr/textAppearanceListItemSmall" />
             </LinearLayout>
         </LinearLayout>
     </android.support.v4.widget.NestedScrollView>

app/src/main/res/values/strings.xml

@@ -33,4 +33,5 @@
     <string name="add_server_activity_waiting_server">Connecting to server…</string>
     <string name="server_config_activity_authenticating">Authenticating…</string>
     <string name="home_fragment_title">Rocket.Chat - Home</string>
+    <string name="fragment_sidebar_main_unread_rooms_title">UNREAD ROOMS</string>
 </resources>

dependencies.gradle

@@ -5,7 +5,7 @@ ext {
   retroLambdaPatch = 'me.tatarka.retrolambda.projectlombok:lombok.ast:0.2.3.a2'
   compileSdkVersion = 25
   buildToolsVersion = '25.0.1'
-    minSdkVersion = 21 //for accelerating multi-dex build. OVERRIDEN BY Circle CI to 17
+  minSdkVersion = 16
 
   supportVersion = '25.0.1'
   supportAnnotations = "com.android.support:support-annotations:$supportVersion"