App crashes on sync that requires a merge of articles
Steps to reproduce:
- Start with a fresh installation
- Save 2-4 articles to 'saved'
- Pull to refresh on the ReadingList screen and login to sync
- App crashes.
Stacktrace:
09-26 14:10:15.534 4927-4927/org.wikipedia.dev W/System.err: at io.reactivex.internal.functions.Functions$OnErrorMissingConsumer.accept(Functions.java:704)
at io.reactivex.internal.functions.Functions$OnErrorMissingConsumer.accept(Functions.java:701)
at io.reactivex.internal.observers.LambdaObserver.onError(LambdaObserver.java:77)
at io.reactivex.internal.observers.LambdaObserver.onNext(LambdaObserver.java:67)
at io.reactivex.internal.operators.observable.ObservableObserveOn$ObserveOnObserver.drainNormal(ObservableObserveOn.java:200)
at io.reactivex.internal.operators.observable.ObservableObserveOn$ObserveOnObserver.run(ObservableObserveOn.java:252)
at io.reactivex.android.schedulers.HandlerScheduler$ScheduledRunnable.run(HandlerScheduler.java:119)
at android.os.Handler.handleCallback(Handler.java:790)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6494)
09-26 14:10:15.535 4927-4927/org.wikipedia.dev W/System.err: at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
Caused by: android.view.WindowManager$BadTokenException: Unable to add window -- token android.os.BinderProxy@f69dad1 is not valid; is your activity running?
at android.view.ViewRootImpl.setView(ViewRootImpl.java:765)
at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:356)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:93)
at android.app.Dialog.show(Dialog.java:330)
at android.support.v7.app.AlertDialog$Builder.show(AlertDialog.java:1006)
09-26 14:10:15.536 4927-4927/org.wikipedia.dev W/System.err: at org.wikipedia.readinglist.ReadingListSyncBehaviorDialogs.mergeExistingListsOnLoginDialog(ReadingListSyncBehaviorDialogs.java:119)
at org.wikipedia.activity.BaseActivity$ExclusiveBusConsumer.accept(BaseActivity.java:244)
at io.reactivex.internal.observers.LambdaObserver.onNext(LambdaObserver.java:63)