Function to save server.

Author: kunall17

app/src/main/java/com/zulip/android/ZulipApp.java

@@ -279,4 +279,20 @@ public void markMessageAsRead(Message message) {
             unreadMessageHandler.sendEmptyMessageDelayed(0, 2000);
         }
     }
+    public void saveServer(String server, String name) {
+        SharedPreferences.Editor globalEditor = this.globalSettings.edit();
+        int position = settings.getInt("loggedOut", -1);
+        if (position != -1) {
+            serverStringSet.remove(position);
+            serverStringSet.add(position, name);
+        } else {
+            serverStringSet.add(name);
+        }
+        globalEditor.putStringSet(GLOBAL_SETTINGS_REALMS, new HashSet<String>(serverStringSet));
+        globalEditor.apply();
+
+        SharedPreferences.Editor editor = this.settings.edit();
+        editor.putString("server_url", server);
+        editor.apply();
+    }
 }