Flutter better_player android Duplicate class found in modules jetified-exoplayer-core-2.17.0-runtime.jar and jetified-exoplayer-ui-2.15.1-runtime.jar

user_1561547 0
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When running Flutter build apk with version 0.0.81 the following error is thrown

1 exception was raised by workers: java.lang.RuntimeException: Duplicate class com.google.android.exoplayer2.ui.DownloadNotificationHelper found in modules jetified-exoplayer-core-2.17.0-runtime.jar (com.google.android.exoplayer:exoplayer-core:2.17.0) and jetified-exoplayer-ui-2.15.1-runtime.jar (com.google.android.exoplayer:exoplayer-ui:2.15.1)[BUG]

I tried to exclude the module and group in android's build.gradle and still it does not work. My pubspec.yaml environment: sdk: ">=2.7.0 <3.0.0"

So how can I use better_player: 0.0.81

flutter
5 Answers

Had the same issue, apparently the issue is that I was using video_player (2.3.0) and better_player (0.0.81). video_player depends on exoplayer 2.17 while better_player depends on exoplayer 2.15. I downgraded video_player to 2.1.12 (in pubspec.yaml you may need to write video_player: 2.1.12 WITHOUT ^).

user_73438440

Fixed it by adding

implementation ('com.google.android.exoplayer:exoplayer:2.17.0')

at dependencies in /android/app/build.gradle

dependencies {
    ....
    implementation ('com.google.android.exoplayer:exoplayer:2.17.0')
}
user_96277810

In my case it was resolved with:

  • In pubspec.yaml, if you have both better_player and video_player in the project, you need to reduce the video_player version to 2.1.12, so that there is no conflict between the better_player internal video_player version.

This worked for me. Hope it helps more people!

user_183033860

Had the same issue and I solve it by using an old version of pubspec.lock and cleaning the cache with flutter clean and flutter pub cache clean and running flutter pub get

user_90039230

If you have the Chewie package installed, it might cause an issue because it depends on a non-compatible version of video_player. Better Player works with video_player 2.1.12. I was having a hard time finding this solution since the error I was debugging was <aynschronous suspension> when initiating BetterPlayer, however this is the solution I just confirmed it.

user_176227330
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