I\'m working auto call recorder app, I\'m able to record voice call on below android 6 using MediaRecorder.AudioSource.VOICE_CALL,
From android 6 not able to r
This could be a Permission related issue.
With the introduction of Android 6.0 Marshmallow, the app will not be granted any permission at installation time. Instead, the application has to ask the user for a permission one-by-one at run-time.
I hope you have included the code which explicitly asks for permissions on devices with Marshmallow and above.