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aba15b6952
Changes --- - Added `removeOfflineLicense(byte[])` and `getOfflineLicenseKeySetIds` and consumed them in their implementations Background --- - These APIs will help in addressing an increasing amount of `java.lang.IllegalArgumentException: Failed to restore keys: BAD_VALUE` which is our top playback error in our app - Based on our discussion with Widevine team and [this exoplayer issue](https://github.com/google/ExoPlayer/issues/11202#issuecomment-1708792594) - TL;DR: The failure occurs on startup if the user has 200+ offline licenses, we would like to add the functionality to remove offline licenses **Note: Why we want these APIs in ExoMediaDrm and not in OfflineLicenseHelper** - As per the issue above, we would like to access these 2 public APIs in MediaDrm that don’t exist in `OfflineLicenseHelper` or `ExoMediaDrm` - APIs interested in: - [MediaDrm#removeOfflineLicense()](https://developer.android.com/reference/android/media/MediaDrm#removeOfflineLicense(byte%5B%5D)): To remove offline license - [MediaDrm#getOfflineLicenseKeySetIds()](https://developer.android.com/reference/android/media/MediaDrm#getOfflineLicenseKeySetIds()): To see number of offline licenses on startup - We use `OfflineLicenseHelper` to download license for L1 and we don't interact with `ExoMediaDrm` directly. But for the alternate Widevine integration, we directly depend on `ExoMediaDrm` APIs to override and call CDM Native APIs. - We would like to have the functionality of removing offline licenses for both integration which would need access to above APIs in `ExoMediaDrm`. Links --- - https://github.com/androidx/media/issues/659