package com.example.guitar_tuner;

import android.media.AudioFormat;
import android.media.AudioRecord;
import android.media.MediaRecorder.AudioSource;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.TextView;

public class MainActivity extends Activity {

    int audioSource = AudioSource.MIC;
    int sampleRateInHz = 44100;
    int channelConfig = AudioFormat.CHANNEL_IN_MONO;
    int audioFormat = AudioFormat.ENCODING_PCM_16BIT;
    int bufferSizeInShorts = 44100;
    int bufferSizeInBytes = 2*bufferSizeInShorts;

    short Data[] = new short[bufferSizeInShorts];
    Thread recordingThread;

    AudioRecord audioRecorder = new AudioRecord(audioSource,
                        sampleRateInHz,
                        channelConfig,
                        audioFormat,
                        bufferSizeInBytes);

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

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }

    public void changeText(View arg0) {
        audioRecorder.startRecording();
        recordingThread = new Thread(new Runnable() {
            public void run() {
                while (Data[bufferSizeInShorts-1] == 0)
                audioRecorder.read(Data, 0, bufferSizeInShorts);
            }
        });
        audioRecorder.stop();
    }

}