Pause and Resume are too new

[vontell]

The methods to pause and resume a recording rely on code that has only been added in API 24 and above. Instead, stop and start the recording, while appending the old mp3 to the new one.

[vontell]

This may be of some help: http://stackoverflow.com/questions/16435945/how-can-i-pause-voice-recording-in-android