Fix occasional crash when entering login screen

CHANGELOG.md

@@ -7,6 +7,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Changed
 - Renamed application to "Dawn" ([#74](https://github.com/Tunous/Dawn/pull/74))
 
+### Fixed
+- Occasional crash when entering login screen ([#103](https://github.com/Tunous/Dawn/pull/103))
+
 ## [0.8.0] - 2019-08-22
 ### Added
 - Subscribing to /r/all ([#28](https://github.com/Tunous/Dank/pull/28))

app/src/main/java/me/saket/dank/reddit/jraw/JrawReddit.kt

@@ -1,5 +1,7 @@
 package me.saket.dank.reddit.jraw
 
+import io.reactivex.Completable
+import io.reactivex.schedulers.Schedulers.io
 import io.reactivex.subjects.BehaviorSubject
 import me.saket.dank.reddit.Reddit
 import me.saket.dank.ui.user.UserSessionRepository
@@ -35,7 +37,10 @@ class JrawReddit @Inject constructor(
       }
       else -> {
         Timber.i("Switching to userless")
-        accountHelper.switchToUserless()
+        Completable.fromAction {
+          accountHelper.switchToUserless()
+        }.subscribeOn(io())
+          .subscribe()
       }
     }