Update InputHostnamePresenter.java

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

 package chat.rocket.android.fragment.add_server;
 
+import chat.rocket.android.BackgroundLooper;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.Disposable;
-import io.reactivex.schedulers.Schedulers;
 
 import chat.rocket.android.RocketChatCache;
 import chat.rocket.android.api.rest.DefaultServerPolicyApi;
@@ -13,14 +13,11 @@ import chat.rocket.android.helper.ServerPolicyHelper;
 import chat.rocket.android.service.ConnectivityManagerApi;
 import chat.rocket.android.shared.BasePresenter;
 
-public class InputHostnamePresenter extends BasePresenter<InputHostnameContract.View>
-    implements InputHostnameContract.Presenter {
-
+public class InputHostnamePresenter extends BasePresenter<InputHostnameContract.View> implements InputHostnameContract.Presenter {
   private final RocketChatCache rocketChatCache;
   private final ConnectivityManagerApi connectivityManager;
 
-  public InputHostnamePresenter(RocketChatCache rocketChatCache,
-                                ConnectivityManagerApi connectivityManager) {
+  public InputHostnamePresenter(RocketChatCache rocketChatCache, ConnectivityManagerApi connectivityManager) {
     this.rocketChatCache = rocketChatCache;
     this.connectivityManager = connectivityManager;
   }
@@ -28,21 +25,17 @@ public class InputHostnamePresenter extends BasePresenter<InputHostnameContract.
   @Override
   public void connectTo(final String hostname) {
     view.showLoader();
-
     connectToEnforced(ServerPolicyHelper.enforceHostname(hostname));
   }
 
   public void connectToEnforced(final String hostname) {
-    final ServerPolicyApi serverPolicyApi =
-        new DefaultServerPolicyApi(OkHttpHelper.getClientForUploadFile(), hostname);
-
-    final ServerPolicyApiValidationHelper validationHelper =
-        new ServerPolicyApiValidationHelper(serverPolicyApi);
+    final ServerPolicyApi serverPolicyApi = new DefaultServerPolicyApi(OkHttpHelper.getClientForUploadFile(), hostname);
+    final ServerPolicyApiValidationHelper validationHelper = new ServerPolicyApiValidationHelper(serverPolicyApi);
 
     clearSubscriptions();
 
     final Disposable subscription = ServerPolicyHelper.isApiVersionValid(validationHelper)
-        .subscribeOn(Schedulers.io())
+        .subscribeOn(AndroidSchedulers.from(BackgroundLooper.get()))
         .observeOn(AndroidSchedulers.mainThread())
         .doOnTerminate(() -> view.hideLoader())
         .subscribe(
@@ -54,16 +47,16 @@ public class InputHostnamePresenter extends BasePresenter<InputHostnameContract.
               }
             },
             throwable -> view.showConnectionError());
-
     addSubscription(subscription);
   }
 
-  private void onServerValid(final String hostname, boolean usesSecureConnection) {
+  private void onServerValid(String hostname, boolean usesSecureConnection) {
     rocketChatCache.setSelectedServerHostname(hostname);
 
+    hostname = hostname.replace("/", ".");
     connectivityManager.addOrUpdateServer(hostname, hostname, !usesSecureConnection);
     connectivityManager.keepAliveServer();
 
     view.showHome();
   }
-}
+}
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