Why am I getting a LAUNCH_ERROR, NOT_FOUND when attempting to play to an audio-only Google Cast device? -


i purchased lg music flow h3 test google cast app 'audio-only' device. i've enabled audio-only device support within google cast dashboard , i've registered device development. app works expected when played google chromecasts, when attempting load receiver app on lg device following error:

{"reason":"not_found","requestid":1,"type":"launch_error"}

thinking perhaps 3rd-party devices can't registered development, went ahead , published app. unfortunately did not address problem.

upon further investigation, i'm noticing other google cast apps (i.e. songza, tunein, pandora, etc. on both android & ios) aren't able play lg music flow h3 either.

i discovered way h3 play google cast apps (both app , others) first run lg music flow multi-room audio app. running lg music flow app appears effect device's _googlecast._tcp zeroconf service discoverability. , h3 shows in zeroconf yet still can't play speaker unless lg music flow app running.

this seams strange behavior. called lg tech support, , recommended return device , exchange different one. did this, , still same result.

is how google cast on 3rd-party devices intended work? have encountered buggy 3rd-party implementation?

this not intended behavior sure. supposed able launch 3rd party application on speaker. , works me.

the fact not able use other 3rd party apps (tunein, pandora etc) indicate general problem , not app.

couple of steps try: - setup h3 speaker on wifi (vs ethernet) , latest sw version using music flow app.

  • have factory reset device? if did, need go through setup again. have noticed google cast becomes enabled after first complete setup.

  • please try rebooting, , try casting apps tunein or pandora , see if works (without using musicflow app). have noticed in past if app loaded , behaving badly (for example uses tons of memory) put speaker bad state don't allow app work until reboot. perhaps when casting app, gets bad state causing other apps fail afterwards.

  • have made sure not consume memory? avoid graphics or video?


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