I always get "The API requires WAV PCM 8 KHz, 16 bit Mono." from api

[nixusUM]

I'm using this parameters for record and save wav file like in code below:
// RECORDER_SAMPLERATE - 8khz
RECORDER_AUDIO_ENCODING = PCM 16 bit Mono //

`public class SoundRecordingExample2 extends Activity {
private static final int RECORDER_BPP = 16;
private static final String AUDIO_RECORDER_FILE_EXT_WAV = ".wav";
private static final String AUDIO_RECORDER_FOLDER = "AudioRecorder";
private static final String AUDIO_RECORDER_TEMP_FILE = "record_temp.raw";
private static final int RECORDER_SAMPLERATE = 8000;
private static final int RECORDER_CHANNELS = AudioFormat.CHANNEL_CONFIGURATION_MONO;
private static final int RECORDER_AUDIO_ENCODING = AudioFormat.ENCODING_PCM_16BIT;

private AudioRecord recorder = null;
private int bufferSize = 0;
private Thread recordingThread = null;
private boolean isRecording = false;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    setButtonHandlers();
    enableButtons(false);

    bufferSize = AudioRecord.getMinBufferSize(RECORDER_SAMPLERATE,
            AudioFormat.CHANNEL_CONFIGURATION_MONO,
            AudioFormat.ENCODING_PCM_16BIT);
}

private void setButtonHandlers() {
    ((Button)findViewById(R.id.btnStart)).setOnClickListener(btnClick);
    ((Button)findViewById(R.id.btnStop)).setOnClickListener(btnClick);
}

private void enableButton(int id,boolean isEnable){
    ((Button)findViewById(id)).setEnabled(isEnable);
}

private void enableButtons(boolean isRecording) {
    enableButton(R.id.btnStart,!isRecording);
    enableButton(R.id.btnStop,isRecording);
}

private String getFilename(){
    String filepath = Environment.getExternalStorageDirectory().getPath();
    File file = new File(filepath,AUDIO_RECORDER_FOLDER);

    if(!file.exists()){
        file.mkdirs();
    }

    return (file.getAbsolutePath() + "/" + "temp" + AUDIO_RECORDER_FILE_EXT_WAV);
}

private String getTempFilename(){
    String filepath = Environment.getExternalStorageDirectory().getPath();
    File file = new File(filepath,AUDIO_RECORDER_FOLDER);

    if(!file.exists()){
        file.mkdirs();
    }

    File tempFile = new File(filepath,AUDIO_RECORDER_TEMP_FILE);

    if(tempFile.exists())
        tempFile.delete();

    return (file.getAbsolutePath() + "/" + AUDIO_RECORDER_TEMP_FILE);
}

private void startRecording(){
    recorder = new AudioRecord(MediaRecorder.AudioSource.MIC,
            RECORDER_SAMPLERATE, RECORDER_CHANNELS,RECORDER_AUDIO_ENCODING, bufferSize);

    int i = recorder.getState();
    if(i==1)
        recorder.startRecording();

    isRecording = true;

    recordingThread = new Thread(new Runnable() {

        @Override
        public void run() {
            writeAudioDataToFile();
        }
    },"AudioRecorder Thread");

    recordingThread.start();
}

private void writeAudioDataToFile(){
    byte data[] = new byte[bufferSize];
    String filename = getTempFilename();
    FileOutputStream os = null;

    try {
        os = new FileOutputStream(filename);
    } catch (FileNotFoundException e) {

// TODO Auto-generated catch block
e.printStackTrace();
}

    int read = 0;

    if(null != os){
        while(isRecording){
            read = recorder.read(data, 0, bufferSize);

            if(AudioRecord.ERROR_INVALID_OPERATION != read){
                try {
                    os.write(data);
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

        try {
            os.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

private void stopRecording(){
    if(null != recorder){
        isRecording = false;

        int i = recorder.getState();
        if(i==1)
            recorder.stop();
        recorder.release();

        recorder = null;
        recordingThread = null;
    }

    copyWaveFile(getTempFilename(), getFilename());

    Intent intent = new Intent();
    intent.putExtra("path", getFilename());
    setResult(RESULT_OK, intent);
    finish();
    deleteTempFile();

}

private void deleteTempFile() {
    File file = new File(getTempFilename());
    file.delete();
}

private void copyWaveFile(String inFilename, String outFilename) {
FileInputStream in = null;
FileOutputStream out = null;
long totalAudioLen = 0;
long totalDataLen = totalAudioLen + 36;
long longSampleRate = RECORDER_SAMPLERATE;
int channels = 1;
long byteRate = RECORDER_BPP * RECORDER_SAMPLERATE * channels / 8;

byte[] data = new byte[bufferSize];

	try {
    in = new FileInputStream(inFilename);
    out = new FileOutputStream(outFilename);
    totalAudioLen = in.getChannel().size();
    totalDataLen = totalAudioLen + 36;

    WriteWaveFileHeader(out, totalAudioLen, totalDataLen,
            longSampleRate, channels, byteRate);

    while (in.read(data) != -1) {
        out.write(data);
    }

    in.close();
    out.close();
} catch (FileNotFoundException e) {
    e.printStackTrace();
} catch (IOException e) {
    e.printStackTrace();
}

}

private void WriteWaveFileHeader(FileOutputStream out, long totalAudioLen,
                                 long totalDataLen, long longSampleRate, int channels, long byteRate)
        throws IOException {

    byte[] header = new byte[44];

    header[0] = 'R'; // RIFF/WAVE header
    header[1] = 'I';
    header[2] = 'F';
    header[3] = 'F';
    header[4] = (byte) (totalDataLen & 0xff);
    header[5] = (byte) ((totalDataLen >> 8) & 0xff);
    header[6] = (byte) ((totalDataLen >> 16) & 0xff);
    header[7] = (byte) ((totalDataLen >> 24) & 0xff);
    header[8] = 'W';
    header[9] = 'A';
    header[10] = 'V';
    header[11] = 'E';
    header[12] = 'f'; // 'fmt ' chunk
    header[13] = 'm';
    header[14] = 't';
    header[15] = ' ';
    header[16] = 16; // 4 bytes: size of 'fmt ' chunk
    header[17] = 0;
    header[18] = 0;
    header[19] = 0;
    header[20] = 1; // format = 1
    header[21] = 0;
    header[22] = (byte) channels;
    header[23] = 0;
    header[24] = (byte) (longSampleRate & 0xff);
    header[25] = (byte) ((longSampleRate >> 8) & 0xff);
    header[26] = (byte) ((longSampleRate >> 16) & 0xff);
    header[27] = (byte) ((longSampleRate >> 24) & 0xff);
    header[28] = (byte) (byteRate & 0xff);
    header[29] = (byte) ((byteRate >> 8) & 0xff);
    header[30] = (byte) ((byteRate >> 16) & 0xff);
    header[31] = (byte) ((byteRate >> 24) & 0xff);
    header[32] = (byte) (2 * 16 / 8); // block align
    header[33] = 0;
    header[34] = RECORDER_BPP; // bits per sample
    header[35] = 0;
    header[36] = 'd';
    header[37] = 'a';
    header[38] = 't';
    header[39] = 'a';
    header[40] = (byte) (totalAudioLen & 0xff);
    header[41] = (byte) ((totalAudioLen >> 8) & 0xff);
    header[42] = (byte) ((totalAudioLen >> 16) & 0xff);
    header[43] = (byte) ((totalAudioLen >> 24) & 0xff);

    out.write(header, 0, 44);
}

private View.OnClickListener btnClick = new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        switch(v.getId()){
            case R.id.btnStart:{
                enableButtons(true);
                startRecording();
                break;
            }
            case R.id.btnStop:{
                enableButtons(false);
                stopRecording();
                break;
            }
        }
    }
};

}`