dependencies {
    implementation 'com.github.HBiSoft:HBRecorder:0.1.6'
}

public class MainActivity extends AppCompatActivity implements HBRecorderListener {

@Override
public void HBRecorderOnComplete() {
    //This is called once the file was created
}
@Override
public void HBRecorderOnError(int errorCode) {
    //This is called when an error occurs
}

public class MainActivity extends AppCompatActivity implements HBRecorderListener {
    HBRecorder hbRecorder;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);     

        //Init HBRecorder
        hbRecorder = new HBRecorder(this, this);        

}

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_INTERNAL_STORAGE" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<!--This is only necessary if you are displaying notifications-->
<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />