在显示带有IMA扩展名和ProgressiveMediaSource的广告时,我遇到以下错误。就在preroll广告完成后,应用程序崩溃。在导航到类ImaAdsLoader时,我得到了错误消息"Library source not match the bytecode for class ImaAdsLoader“java.lang.NoSuchMethodError: No virtual method getAdGroupIndexAfterPositionUs(J)I in class Lcom/google/android/exoplayer2/source/ads/AdPlaybackState; or its super classes (declaration of 'com.google.android.exoplayer2.source.ads.AdPlaybackState' appears in /data/app/com.example.exomedia-pEwo-P6MjYGRL3PeKbTLiw==/base.apk) at com.google.android.exoplayer2.ext.ima.ImaAdsLoader.getContentProgress(ImaAdsLoader.java:758) at com.google.ads.interactivemedia.v3.internal.iu.a(IMASDK:4) at com.google.ads.interactivemedia.v3.internal.jh.handleMessage(IMASDK:27) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:193) at android.app.ActivityThread.main(ActivityThread.java:6692) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)步骤来重现:使用以下依赖项
implementation 'com.google.android.exoplayer:exoplayer-core:2.10.7' implementation 'com.google.android.exoplayer:exoplayer-ui:2.10.7' implementation 'com.google.android.exoplayer:extension-ima:2.9.6'
并通过以下代码发起播放:
player=ExoPlayerFactory.newSimpleInstance(this,DefaultTrackSelector())
player_view.player=player
adsLoader?.setPlayer(player)
val dataSourceFactory = DefaultDataSourceFactory(
this,
"ExoDemo")
val mediaSource:MediaSource=ProgressiveMediaSource.Factory(dataSourceFactory)
.createMediaSource(Uri.parse(resources.getString(R.string.media_url_mp4)))
val adsMediaSource = AdsMediaSource(mediaSource, dataSourceFactory, adsLoader, player_view)
player?.prepare(adsMediaSource)
player?.setPlayWhenReady(true)在以下版本的库和使用ExtractorMediaSource的情况下,都可以正常工作:
implementation 'com.google.android.exoplayer:exoplayer-core:2.9.6' implementation 'com.google.android.exoplayer:exoplayer-ui:2.9.6' implementation 'com.google.android.exoplayer:extension-ima:2.9.6'
发布于 2019-11-29 01:10:18
我最终发现extension_ima的版本必须与正在使用的ExoPlayer库的版本相匹配。或者,可以克隆ExoPlayer存储库并在本地依赖于该模块。
https://github.com/google/ExoPlayer/tree/release-v2/extensions/ima
https://stackoverflow.com/questions/59081367
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