// Note: this is not the audio file name, it's a directory.
// AMRAudioRecorder will store audio files into this directory.
// And this should be exist,
// AMRAudioRecorder will not make dir if the dir does not exist.
String recordingDirectory = "A directory absolute path";
AMRAudioRecorder  mRecorder = new AMRAudioRecorder(recordingDirectory);
mRecorder.start();

mRecorder.pause();

mRecorder.resume();

mRecorder.stop();

mRecorder.getAudioFilePath();