Don't attempt casting local episode and inform user

[Bollarice]

Checklist

• I have used the search function for OPEN issues to see if someone else has already submitted the same bug report.
• I have also used the search function for CLOSED issues to see if the problem is already solved and just waiting to be released.
• I will describe the problem with as much detail as possible.
• If the bug only to occurs with a certain podcast, I will include the URL of that podcast.

App version

3.3.2 (701b1ce)

Where did you get the app from

Google Play

Android version

5.10.168-android12-9-27760517-abS906USQS4DXD1

Device model

No response

First occurred

Today

Steps to reproduce

Add a podcast from local folder of mp3s to your account

Play that podcast either directly from the podcast page or your queue

Cast to speakers or other device

Expected behaviour

Podcast should play

Current behaviour

Player errors out and plays next non mp3 episode in queue

Logs

Environment

Android version: 14
OS version: 5.10.168-android12-9-27760517-abS906USQS4DXD1
AntennaPod version: 3.3.2
Model: SM-S906U
Device: g0q
Product: g0qsqw

Crash info

Time: 11-05-2024 00:59:14
AntennaPod version: 3.3.2

StackTrace

java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v4.media.session.MediaSessionCompat.setQueue(java.util.List)' on a null object reference
	at de.danoeh.antennapod.core.service.playback.PlaybackService.lambda$loadQueueForMediaSession$1(PlaybackService.java:355)
	at de.danoeh.antennapod.core.service.playback.PlaybackService.$r8$lambda$3kCEWuNcq1SHYOtaxSddkU4SmrY(PlaybackService.java:0)
	at de.danoeh.antennapod.core.service.playback.PlaybackService$$ExternalSyntheticLambda13.accept(R8$$SyntheticClass:0)
	at io.reactivex.internal.observers.ConsumerSingleObserver.onSuccess(ConsumerSingleObserver.java:62)
	at io.reactivex.internal.operators.single.SingleObserveOn$ObserveOnSingleObserver.run(SingleObserveOn.java:81)
	at io.reactivex.android.schedulers.HandlerScheduler$ScheduledRunnable.run(HandlerScheduler.java:124)
	at android.os.Handler.handleCallback(Handler.java:958)
	at android.os.Handler.dispatchMessage(Handler.java:99)
	at android.os.Looper.loopOnce(Looper.java:230)
	at android.os.Looper.loop(Looper.java:319)
	at android.app.ActivityThread.main(ActivityThread.java:8893)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:608)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1103)

[Bollarice]

If not casting, function is as expected to

[ByteHamster]

Unfortunately Cast devices can only play media files from the network. So unless AntennaPod starts a web server on your phone (which would be a significant complication), the cast device cannot access the media files.

[keunes]

I'll reopen this one as if we know it's not supported, we should gracefully inform the user (and prevent attempting to cast), rather than crash.

[ByteHamster]

It doesn't crash. It says "media file not compatible with cast device"

[Bollarice]

That's confusing as all my music players (YouTube music, vlc, and rocket player) can all cast locally saved mp3s, as can podcast addict.

Or is the initial response comment saying "Unfortunately Cast devices can only play media files from the network" speaking only about antenna pod capability, not generally?

If so, perhaps I should log this as a feature request as it seems fairly standard.

[keunes]

It doesn't crash. It says "media file not compatible with cast device"

Right, sorry. I wasn't paying attention to the screenshot and assumed a crash because of the stacktrace.

I think it'd still be nice to have a targeted message about casting local files; the current dialog says 'error' while it should say 'not supported' and it doesn't mention anything about local files.

Proposal (not super convinced myself):

Cannot cast local files
Casting episodes from local feeds is currently not supported. Consider using a dedicated media player.