I\'ve been running into an issue with the MediaPlayer on Lollipop devices. Basically when the device screen is off (i.e. user locked the device) the playback continues, but
Ok it looks like the issue is Android 5.0.1's experimental MediaPlayer called NuPlayer. NuPlayer is being enabled by default on all Android 5.0.1 devices and is only disabled through Developer Options. I've filed a bug against Android here: https://code.google.com/p/android/issues/detail?id=94069&thanks=94069&ts=1420659450
Here's a sample email you can send your users when they face issues with Media playback on Android 5.0.1 devices:
It looks like this might be a bug on Android's new experimental MediaPlayer called NuPlayer. To fix this, please follow these steps: