Add HelperExtensions file and convert Logger to Kotlin; consider new

connection state STATE_SESSION_ESTABLISHED when applied

app/src/main/java/chat/rocket/android/ConnectionStatusManager.kt

 package chat.rocket.android
 
+import chat.rocket.android.extensions.printStackTraceOnDebug
 import chat.rocket.android.service.KeepAliveJob
 import unquietcode.tools.esm.EnumStateMachine
 import unquietcode.tools.esm.TransitionException
@@ -20,6 +21,9 @@ object ConnectionStatusManager {
         stateMachine.addTransitions(State.ONLINE, State.OFFLINE)
     }
 
+    @Synchronized
+    fun transitionCount() = stateMachine.transitionCount()
+
     @Synchronized
     fun currentState() = stateMachine.currentState()
 
@@ -47,7 +51,7 @@ object ConnectionStatusManager {
             callback.onTransitioned(true)
         } catch (e: TransitionException) {
             if (DEBUG) {
-                e.printStackTrace()
+                e.printStackTraceOnDebug()
             }
             callback.onTransitioned(false)
         }

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

@@ -59,7 +59,7 @@ public class RocketChatApplication extends MultiDexApplication {
             if (BuildConfig.DEBUG) {
                 e.printStackTrace();
             }
-            Logger.report(e);
+            Logger.INSTANCE.report(e);
         });
 
         instance = this;

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

@@ -2,6 +2,7 @@ package chat.rocket.android;
 
 import android.content.Context;
 import android.content.SharedPreferences;
+import android.text.TextUtils;
 
 import com.hadisatrio.optional.Optional;
 
@@ -15,7 +16,6 @@ import java.util.List;
 import java.util.UUID;
 
 import chat.rocket.android.helper.Logger;
-import chat.rocket.android.helper.TextUtils;
 import chat.rocket.android.log.RCLog;
 import chat.rocket.core.utils.Pair;
 import io.reactivex.BackpressureStrategy;
@@ -35,8 +35,10 @@ public class RocketChatCache {
     private static final String KEY_PUSH_ID = "KEY_PUSH_ID";
     private static final String KEY_HOSTNAME_LIST = "KEY_HOSTNAME_LIST";
     private static final String KEY_OPENED_ROOMS = "KEY_OPENED_ROOMS";
+    private static final String KEY_SESSION_TOKEN = "KEY_SESSION_TOKEN";
 
     private Context context;
+    private String session;
 
     public RocketChatCache(Context context) {
         this.context = context.getApplicationContext();
@@ -239,7 +241,7 @@ public class RocketChatCache {
             return jsonObject.optString(getSelectedServerHostname(), null);
         } catch (JSONException e) {
             RCLog.e(e);
-            Logger.report(e);
+            Logger.INSTANCE.report(e);
         }
         return null;
     }
@@ -251,7 +253,7 @@ public class RocketChatCache {
             setString(KEY_SELECTED_ROOM_ID, jsonObject.toString());
         } catch (JSONException e) {
             RCLog.e(e);
-            Logger.report(e);
+            Logger.INSTANCE.report(e);
         }
     }
 
@@ -328,8 +330,41 @@ public class RocketChatCache {
                     null : selectedRoomIdJsonObject.toString();
             setString(KEY_SELECTED_ROOM_ID, result);
         } catch (JSONException e) {
-            Logger.report(e);
+            Logger.INSTANCE.report(e);
             RCLog.e(e);
         }
     }
+
+    public void setSessionToken(String sessionToken) {
+        String selectedServerHostname = getSelectedServerHostname();
+        if (selectedServerHostname == null) {
+            throw new IllegalStateException("Trying to set sessionToken to null hostname");
+        }
+        String sessions = getSessionToken();
+        try {
+            JSONObject jsonObject = (sessions == null) ? new JSONObject() : new JSONObject(sessions);
+            jsonObject.put(selectedServerHostname, sessionToken);
+            setString(KEY_SESSION_TOKEN, jsonObject.toString());
+        } catch (JSONException e) {
+            RCLog.e(e);
+        }
+    }
+
+    public String getSessionToken() {
+        String selectedServerHostname = getSelectedServerHostname();
+        String sessions = getString(KEY_SESSION_TOKEN, null);
+        if (sessions == null || selectedServerHostname == null) {
+            return null;
+        }
+        try {
+            JSONObject jsonObject = new JSONObject(sessions);
+            if (jsonObject.has(selectedServerHostname)) {
+                return jsonObject.optString(selectedServerHostname, null);
+            }
+        } catch (JSONException e) {
+            RCLog.e(e);
+        }
+
+        return null;
+    }
 }

app/src/main/java/chat/rocket/android/activity/AbstractAuthedActivity.java

@@ -211,7 +211,7 @@ abstract class AbstractAuthedActivity extends AbstractFragmentActivity {
             .observeOn(AndroidSchedulers.mainThread())
             .subscribe(
                 this::updateHostnameIfNeeded,
-                Logger::report
+                Logger.INSTANCE::report
             )
     );
 
@@ -223,7 +223,7 @@ abstract class AbstractAuthedActivity extends AbstractFragmentActivity {
             .observeOn(AndroidSchedulers.mainThread())
             .subscribe(
                 this::updateRoomIdIfNeeded,
-                Logger::report
+                Logger.INSTANCE::report
             )
     );
   }

app/src/main/java/chat/rocket/android/activity/LoginPresenter.java

@@ -66,7 +66,7 @@ public class LoginPresenter extends BasePresenter<LoginContract.View>
                   view.closeView();
               }
             },
-            Logger::report
+            Logger.INSTANCE::report
         );
 
     addSubscription(subscription);

app/src/main/java/chat/rocket/android/activity/MainPresenter.java

@@ -97,12 +97,13 @@ public class MainPresenter extends BasePresenter<MainContract.View>
         subscribeToNetworkChanges();
         subscribeToUnreadCount();
         subscribeToSession();
-        setUserOnline();
     }
 
     @Override
     public void release() {
-        setUserAway();
+        if (rocketChatCache.getSessionToken() != null) {
+            setUserAway();
+        }
 
         super.release();
     }
@@ -120,7 +121,7 @@ public class MainPresenter extends BasePresenter<MainContract.View>
                                 view.showHome();
                             }
                         },
-                        Logger::report
+                        Logger.INSTANCE::report
                 );
 
         addSubscription(subscription);
@@ -183,7 +184,7 @@ public class MainPresenter extends BasePresenter<MainContract.View>
                 .observeOn(AndroidSchedulers.mainThread())
                 .subscribe(
                         pair -> view.showUnreadCount(pair.first, pair.second),
-                        Logger::report
+                        Logger.INSTANCE::report
                 );
 
         addSubscription(subscription);
@@ -213,8 +214,9 @@ public class MainPresenter extends BasePresenter<MainContract.View>
                             }
                             // TODO: Should we remove below and above calls to view?
                             // view.showConnectionOk();
+                            rocketChatCache.setSessionToken(session.getToken());
                         },
-                        Logger::report
+                        Logger.INSTANCE::report
                 );
 
         addSubscription(subscription);
@@ -234,6 +236,7 @@ public class MainPresenter extends BasePresenter<MainContract.View>
                                     view.showConnectionError();
                                 }
                             } else if (connectivity.state == ServerConnectivity.STATE_SESSION_ESTABLISHED) {
+                                setUserOnline();
                                 view.refreshRoom();
                                 view.showConnectionOk();
                             } else {

app/src/main/java/chat/rocket/android/extensions/HelperExtensions.kt

+package chat.rocket.android.extensions
+
+import chat.rocket.android.BuildConfig
+
+fun Throwable.printStackTraceOnDebug() {
+    if (BuildConfig.DEBUG) {
+        this.printStackTrace()
+    }
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/fragment/add_server/InputHostnamePresenter.java

@@ -47,7 +47,7 @@ public class InputHostnamePresenter extends BasePresenter<InputHostnameContract.
               }
             },
             throwable -> {
-              Logger.report(throwable);
+              Logger.INSTANCE.report(throwable);
               view.showConnectionError();
             });
     addSubscription(subscription);

app/src/main/java/chat/rocket/android/fragment/chatroom/RoomFragment.java

@@ -540,7 +540,7 @@ public class RoomFragment extends AbstractChatRoomFragment implements
             inputContentInfo.releasePermission();
         } catch (Exception e) {
             RCLog.e(e);
-            Logger.report(e);
+            Logger.INSTANCE.report(e);
         }
 
         return true;

app/src/main/java/chat/rocket/android/fragment/chatroom/RoomPresenter.java

@@ -87,7 +87,7 @@ public class RoomPresenter extends BasePresenter<RoomContract.View>
                                 connectivityManagerApi.keepAliveServer();
                             }
                         },
-                        Logger::report
+                        Logger.INSTANCE::report
                 );
 
         addSubscription(subscription);
@@ -105,7 +105,7 @@ public class RoomPresenter extends BasePresenter<RoomContract.View>
                                 connectivityManagerApi.keepAliveServer();
                             }
                         },
-                        Logger::report
+                        Logger.INSTANCE::report
                 );
 
         addSubscription(subscription);
@@ -152,7 +152,7 @@ public class RoomPresenter extends BasePresenter<RoomContract.View>
                                 view.onReply(absoluteUrl, buildReplyOrQuoteMarkdown(baseUrl, message, justQuote), message);
                             }
                         },
-                        Logger::report
+                        Logger.INSTANCE::report
                 );
 
         addSubscription(subscription);
@@ -217,7 +217,7 @@ public class RoomPresenter extends BasePresenter<RoomContract.View>
                         },
                         throwable -> {
                             view.enableMessageInput();
-                            Logger.report(throwable);
+                            Logger.INSTANCE.report(throwable);
                         }
                 );
 
@@ -251,7 +251,7 @@ public class RoomPresenter extends BasePresenter<RoomContract.View>
                         },
                         throwable -> {
                             view.enableMessageInput();
-                            Logger.report(throwable);
+                            Logger.INSTANCE.report(throwable);
                         }
                 );
 
@@ -277,7 +277,7 @@ public class RoomPresenter extends BasePresenter<RoomContract.View>
                 .observeOn(AndroidSchedulers.mainThread())
                 .subscribe(
                         count -> view.showUnreadCount(count),
-                        Logger::report
+                        Logger.INSTANCE::report
                 );
 
         addSubscription(subscription);
@@ -295,7 +295,7 @@ public class RoomPresenter extends BasePresenter<RoomContract.View>
                 .subscribe(
                         room -> methodCallHelper.readMessages(room.getRoomId())
                                 .continueWith(new LogIfError()),
-                        Logger::report
+                        Logger.INSTANCE::report
                 );
 
         addSubscription(subscription);
@@ -312,7 +312,7 @@ public class RoomPresenter extends BasePresenter<RoomContract.View>
                 .map(Optional::get)
                 .subscribeOn(AndroidSchedulers.from(BackgroundLooper.get()))
                 .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(this::processRoom, Logger::report);
+                .subscribe(this::processRoom, Logger.INSTANCE::report);
         addSubscription(subscription);
     }
 
@@ -332,7 +332,7 @@ public class RoomPresenter extends BasePresenter<RoomContract.View>
                 .map(Optional::get)
                 .subscribeOn(AndroidSchedulers.from(BackgroundLooper.get()))
                 .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(view::showUserStatus, Logger::report);
+                .subscribe(view::showUserStatus, Logger.INSTANCE::report);
         addSubscription(disposable);
     }
 
@@ -351,7 +351,7 @@ public class RoomPresenter extends BasePresenter<RoomContract.View>
                                     syncState == SyncState.SYNCED || syncState == SyncState.FAILED
                             );
                         },
-                        Logger::report
+                        Logger.INSTANCE::report
                 );
 
         addSubscription(subscription);
@@ -378,7 +378,7 @@ public class RoomPresenter extends BasePresenter<RoomContract.View>
                 .observeOn(AndroidSchedulers.mainThread())
                 .subscribe(
                         view::showMessages,
-                        Logger::report
+                        Logger.INSTANCE::report
                 );
 
         addSubscription(subscription);
@@ -403,7 +403,7 @@ public class RoomPresenter extends BasePresenter<RoomContract.View>
                                 view.manualLoadImages();
                             }
                         },
-                        Logger::report
+                        Logger.INSTANCE::report
                 );
 
         addSubscription(subscription);
@@ -415,7 +415,7 @@ public class RoomPresenter extends BasePresenter<RoomContract.View>
                 .observeOn(AndroidSchedulers.mainThread())
                 .subscribe(
                         it -> view.setupWith(it.orNull()),
-                        Logger::report
+                        Logger.INSTANCE::report
                 );
 
         addSubscription(subscription);

app/src/main/java/chat/rocket/android/fragment/chatroom/dialog/MessageOptionsDialogFragment.java

@@ -132,7 +132,7 @@ public class MessageOptionsDialogFragment extends BottomSheetDialogFragment {
               ((TextView) bottomSheetDialog.findViewById(R.id.message_options_info))
                   .setText(R.string.message_options_no_message_info);
 
-              Logger.report(throwable);
+              Logger.INSTANCE.report(throwable);
             }
         );
 

app/src/main/java/chat/rocket/android/fragment/oauth/OAuthPresenter.java

@@ -37,7 +37,7 @@ public class OAuthPresenter extends BasePresenter<OAuthContract.View>
                     view.close();
                   }
                 },
-                Logger::report
+                Logger.INSTANCE::report
             )
     );
   }

app/src/main/java/chat/rocket/android/fragment/server_config/LoginPresenter.java

@@ -53,7 +53,7 @@ public class LoginPresenter extends BasePresenter<LoginContract.View>
                         .observeOn(AndroidSchedulers.mainThread())
                         .subscribe(
                                 publicSettingOptional -> doLogin(username, password, publicSettingOptional),
-                                Logger::report
+                                Logger.INSTANCE::report
                         )
         );
     }
@@ -65,7 +65,7 @@ public class LoginPresenter extends BasePresenter<LoginContract.View>
                         .observeOn(AndroidSchedulers.mainThread())
                         .subscribe(
                                 loginServiceConfigurations -> view.showLoginServices(loginServiceConfigurations),
-                                Logger::report
+                                Logger.INSTANCE::report
                         )
         );
     }

app/src/main/java/chat/rocket/android/fragment/server_config/RetryLoginPresenter.java

@@ -52,7 +52,7 @@ public class RetryLoginPresenter extends BasePresenter<RetryLoginContract.View>
             .observeOn(AndroidSchedulers.mainThread())
             .subscribe(
                 this::onSession,
-                Logger::report
+                Logger.INSTANCE::report
             )
     );
   }

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

@@ -239,7 +239,7 @@ public class SidebarMainFragment extends AbstractFragment implements SidebarMain
                 .compose(bindToLifecycle())
                 .subscribe(
                         this::showUserActionContainer,
-                        Logger::report
+                        Logger.INSTANCE::report
                 );
     }
 

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

@@ -80,7 +80,7 @@ public class SidebarMainPresenter extends BasePresenter<SidebarMainContract.View
         )
                 .subscribeOn(AndroidSchedulers.from(BackgroundLooper.get()))
                 .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(pair -> view.show(pair.first.orNull()), Logger::report);
+                .subscribe(pair -> view.show(pair.first.orNull()), Logger.INSTANCE::report);
 
         addSubscription(subscription);
     }
@@ -142,7 +142,7 @@ public class SidebarMainPresenter extends BasePresenter<SidebarMainContract.View
     public void onLogout(Continuation<Void, Object> continuation) {
         methodCallHelper.logout().continueWith(task -> {
             if (task.isFaulted()) {
-                Logger.report(task.getError());
+                Logger.INSTANCE.report(task.getError());
                 return Task.forError(task.getError());
             }
             return task.onSuccess(continuation);
@@ -183,7 +183,7 @@ public class SidebarMainPresenter extends BasePresenter<SidebarMainContract.View
                 .distinctUntilChanged()
                 .subscribeOn(AndroidSchedulers.from(BackgroundLooper.get()))
                 .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(this::processRooms, Logger::report);
+                .subscribe(this::processRooms, Logger.INSTANCE::report);
         addSubscription(subscription);
     }
 
@@ -227,7 +227,7 @@ public class SidebarMainPresenter extends BasePresenter<SidebarMainContract.View
                 .distinctUntilChanged()
                 .subscribeOn(AndroidSchedulers.from(BackgroundLooper.get()))
                 .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(this::processUsers, Logger::report);
+                .subscribe(this::processUsers, Logger.INSTANCE::report);
         addSubscription(subscription);
     }
 

app/src/main/java/chat/rocket/android/fragment/sidebar/dialog/AddChannelDialogFragment.java

@@ -47,7 +47,7 @@ public class AddChannelDialogFragment extends AbstractAddRoomDialogFragment {
             .compose(bindToLifecycle())
             .subscribe(
                 buttonAddChannel::setEnabled,
-                Logger::report
+                Logger.INSTANCE::report
             );
 
     buttonAddChannel.setOnClickListener(view -> createRoom());

app/src/main/java/chat/rocket/android/fragment/sidebar/dialog/AddDirectMessageDialogFragment.java

@@ -68,7 +68,7 @@ public class AddDirectMessageDialogFragment extends AbstractAddRoomDialogFragmen
             .observeOn(AndroidSchedulers.mainThread())
             .subscribe(
                 this::setupView,
-                Logger::report
+                Logger.INSTANCE::report
             )
     );
 
@@ -77,7 +77,7 @@ public class AddDirectMessageDialogFragment extends AbstractAddRoomDialogFragmen
         .compose(bindToLifecycle())
         .subscribe(
             buttonAddDirectMessage::setEnabled,
-            Logger::report
+            Logger.INSTANCE::report
         );
 
     buttonAddDirectMessage.setOnClickListener(view -> createRoom());

app/src/main/java/chat/rocket/android/helper/Logger.java

-package chat.rocket.android.helper;
-
-import com.crashlytics.android.Crashlytics;
-import com.google.firebase.crash.FirebaseCrash;
-
-public class Logger {
-
-    public static void report(Throwable throwable) {
-        FirebaseCrash.report(throwable);
-        Crashlytics.logException(throwable);
-    }
-}

app/src/main/java/chat/rocket/android/helper/Logger.kt

+package chat.rocket.android.helper
+
+import com.crashlytics.android.Crashlytics
+import com.google.firebase.crash.FirebaseCrash
+
+import chat.rocket.android.BuildConfig
+
+object Logger {
+
+    fun report(throwable: Throwable) {
+        if (BuildConfig.DEBUG) {
+            throwable.printStackTrace()
+        }
+        FirebaseCrash.report(throwable)
+        Crashlytics.logException(throwable)
+    }
+}

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

@@ -102,7 +102,7 @@ public class MessagePopup {
                                     .create()
                                     .show();
                         },
-                        Logger::report
+                        Logger.INSTANCE::report
                 );
         compositeDisposable.add(disposable);
     }

app/src/main/java/chat/rocket/android/layouthelper/chatroom/roomlist/RoomListItemViewHolder.java

@@ -101,7 +101,7 @@ public class RoomListItemViewHolder extends RecyclerView.ViewHolder {
         break;
       default: {
         itemView.showPrivateChannelIcon();
-        Logger.report(new AssertionError("Room type doesn't satisfies the method documentation. Room type is:" + roomType));
+        Logger.INSTANCE.report(new AssertionError("Room type doesn't satisfies the method documentation. Room type is:" + roomType));
       }
     }
   }

app/src/main/java/chat/rocket/android/push/PushManager.kt

@@ -22,6 +22,7 @@ import chat.rocket.android.BuildConfig
 import chat.rocket.android.R
 import chat.rocket.android.RocketChatCache
 import chat.rocket.android.activity.MainActivity
+import chat.rocket.android.extensions.printStackTraceOnDebug
 import chat.rocket.android.helper.Logger
 import chat.rocket.core.interactors.MessageInteractor
 import chat.rocket.core.models.Room
@@ -694,7 +695,6 @@ object PushManager {
                     .subscribe({ _ ->
                         // Empty
                     }, { throwable ->
-                        throwable.printStackTrace()
                         Logger.report(throwable)
                     })
         }

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

@@ -31,7 +31,5 @@ public interface ConnectivityManagerApi {
 
     void notifySessionEstablished(String hostname);
 
-    void notifyRetryingConnection(String hostname);
-
     void notifyConnecting(String hostname);
 }

app/src/main/java/chat/rocket/android/service/KeepAliveJob.kt

 package chat.rocket.android.service
 
+import chat.rocket.android.ConnectionStatusManager
 import chat.rocket.android.RocketChatApplication
 import chat.rocket.android.RocketChatCache
 import com.evernote.android.job.Job
@@ -41,7 +42,15 @@ class KeepAliveJob : Job() {
     }
 
     override fun onRunJob(params: Params): Result {
-        connectivityManager.keepAliveServer()
+        if (ConnectionStatusManager.transitionCount() == 0L) {
+            return Result.SUCCESS
+        }
+        when (ConnectionStatusManager.currentState()) {
+            ConnectionStatusManager.State.CONNECTING, ConnectionStatusManager.State.ONLINE -> {
+                cancel()
+            }
+            else -> connectivityManager.keepAliveServer()
+        }
         return Result.SUCCESS
     }
 }
\ No newline at end of file

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

@@ -136,12 +136,6 @@ import io.reactivex.subjects.BehaviorSubject;
         return list;
     }
 
-    @Override
-    public void notifyRetryingConnection(String hostname) {
-        connectivitySubject.onNext(
-                new ServerConnectivity(hostname, ServerConnectivity.STATE_RETRYING_CONNECTION));
-    }
-
     @Override
     public void notifySessionEstablished(String hostname) {
         serverConnectivityList.put(hostname, ServerConnectivity.STATE_SESSION_ESTABLISHED);

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

@@ -99,7 +99,7 @@ public class RocketChatService extends Service implements ConnectivityServiceInt
         return Single.defer(() -> {
             webSocketThreadLock.acquire();
             int connectivityState = ConnectivityManager.getInstance(getApplicationContext()).getConnectivityState(hostname);
-            boolean isDisconnected = connectivityState != ServerConnectivity.STATE_CONNECTED;
+            boolean isDisconnected = connectivityState < ServerConnectivity.STATE_CONNECTED ;
             if (currentWebSocketThread != null && existsThreadForHostname(hostname) && !isDisconnected) {
                 webSocketThreadLock.release();
                 return Single.just(currentWebSocketThread);
@@ -117,7 +117,7 @@ public class RocketChatService extends Service implements ConnectivityServiceInt
                                         .doOnError(throwable -> {
                                             currentWebSocketThread = null;
                                             RCLog.e(throwable);
-                                            Logger.report(throwable);
+                                            Logger.INSTANCE.report(throwable);
                                             webSocketThreadLock.release();
                                         })
                         );
@@ -131,7 +131,7 @@ public class RocketChatService extends Service implements ConnectivityServiceInt
                     .doOnError(throwable -> {
                         currentWebSocketThread = null;
                         RCLog.e(throwable);
-                        Logger.report(throwable);
+                        Logger.INSTANCE.report(throwable);
                         webSocketThreadLock.release();
                     });
         });

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

@@ -29,7 +29,6 @@ import chat.rocket.android.service.observer.FileUploadingWithUfsObserver;
 import chat.rocket.android.service.observer.GcmPushRegistrationObserver;
 import chat.rocket.android.service.observer.GetUsersOfRoomsProcedureObserver;
 import chat.rocket.android.service.observer.LoadMessageProcedureObserver;
-import chat.rocket.android.service.observer.MethodCallObserver;
 import chat.rocket.android.service.observer.NewMessageObserver;
 import chat.rocket.android.service.observer.PushSettingsObserver;
 import chat.rocket.android.service.observer.SessionObserver;
@@ -167,7 +166,7 @@ public class RocketChatWebSocketThread extends HandlerThread {
     @DebugLog
     /* package */ Single<Boolean> keepAlive() {
         return checkIfConnectionAlive()
-                .flatMap(alive -> connectWithExponentialBackoff());
+                .flatMap(alive -> alive ? Single.just(true) : connectWithExponentialBackoff());
     }
 
     @DebugLog

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

@@ -5,51 +5,50 @@ package chat.rocket.android.service;
  */
 public class ServerConnectivity {
 
-  public static final int STATE_CONNECTED = 1;
-  public static final int STATE_DISCONNECTED = 2;
-  /* package */ static final int STATE_CONNECTING = 3;
-  /* package */ static final int STATE_DISCONNECTING = 4;
-  public static final int STATE_SESSION_ESTABLISHED = 5;
-  /* package */ static final int STATE_RETRYING_CONNECTION = 6;
-  /* package */ static final ServerConnectivity CONNECTED = new ServerConnectivity(null, STATE_CONNECTED);
-
-  public final String hostname;
-  public final int state;
-  public final int code;
-
-  ServerConnectivity(String hostname, int state) {
-    this.hostname = hostname;
-    this.state = state;
-    this.code = -1;
-  }
-
-  ServerConnectivity(String hostname, int state, int code) {
-    this.hostname = hostname;
-    this.state = state;
-    this.code = code;
-  }
-
-  @Override
-  public boolean equals(Object o) {
-    if (this == o) return true;
-    if (o == null || getClass() != o.getClass()) return false;
-
-    ServerConnectivity that = (ServerConnectivity) o;
-
-    return state == that.state;
-  }
-
-  @Override
-  public int hashCode() {
-    return state;
-  }
-
-  /**
-   * This exception should be thrown when connection is lost during waiting for CONNECTED.
-   */
+    public static final int STATE_DISCONNECTED = 0;
+    /* package */ static final int STATE_DISCONNECTING = 1;
+    /* package */ static final int STATE_CONNECTING = 2;
+    public static final int STATE_CONNECTED = 3;
+    public static final int STATE_SESSION_ESTABLISHED = 4;
+    /* package */ static final ServerConnectivity CONNECTED = new ServerConnectivity(null, STATE_CONNECTED);
+
+    public final String hostname;
+    public final int state;
+    public final int code;
+
+    ServerConnectivity(String hostname, int state) {
+        this.hostname = hostname;
+        this.state = state;
+        this.code = -1;
+    }
+
+    ServerConnectivity(String hostname, int state, int code) {
+        this.hostname = hostname;
+        this.state = state;
+        this.code = code;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        ServerConnectivity that = (ServerConnectivity) o;
+
+        return state == that.state;
+    }
+
+    @Override
+    public int hashCode() {
+        return state;
+    }
+
+    /**
+     * This exception should be thrown when connection is lost during waiting for CONNECTED.
+     */
   /* package */static class DisconnectedException extends Exception {
-    /* package */DisconnectedException() {
-      super("Disconnected");
+        /* package */DisconnectedException() {
+            super("Disconnected");
+        }
     }
-  }
 }

app/src/main/res/drawable/community.xml

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